The store will not work correctly when cookies are disabled.

This site uses cookies to provide an optimized shopping experience. By using this site, you agree to the use of cookies within our privacy policy.

608 5th Avenue, Third Floor · New York, NY 10020 Call Us: (212) 391-0633

  • CONTACT US
  • |
  • Schedule Appointment icon SCHEDULE APPOINTMENT
    • IN-STORE
    • VIRTUAL
Menu
  • Engagement Rings
    • View All
    • START BY RING SHAPE

      • Round Shape Diamond.Round
      • Emerald Shape Diamond.Emerald
      • Oval Shape Diamond.Oval
      • Radiant Shape Diamond.Radiant
      • Cushion Shape Diamond.Cushion
      • Asscher Shape Diamond.Asscher
      • Pear Shape Diamond.Pear
      • Marquise Shape Diamond.Marquise
      • Princess Shape Diamond.Princess
      • Heart Shape Diamond.Heart
      • Antique Shape Diamond.Antique
      • Hybrid Shape Diamond.Hybrid

      START BY RING DESIGN

      • Solitaire Ring Design.Solitaire
      • Pave Ring Design.Pave
      • 3 Stone Ring Design.Three Stone
      • Halo Ring Design.Halo
      • Bezel Ring Design.Bezel

      RING CENTER-STONE TYPE

      • Natural Diamonds
      • Lab Grown Diamonds
      • Colored Gemstones
      • Colored Diamonds
      • Moissanite

      EXCLUSIVE COLLECTIONS

      • Signature Wraps
      • Invisible Gallery™
      • Hidden Halo™
      • Pave Prongs
      • Double Edge Halo
      • Duo Designs

      FEATURED

      • All Engagement Rings
      • In-Stock Rings
      • LAB Ready Collection
      • New Arrivals
      Diamond Engagement Ring. Shop All Engagement Rings
  • Diamonds
    • View All
    • LOOSE DIAMONDS & GEMS

      • Natural Diamonds
      • Lab Grown Diamonds
      • Color Gemstone

      NATURAL DIAMONDS

      • Round Shape Diamond.Round
      • Emerald Shape Diamond.Emerald
      • Oval Shape Diamond.Oval
      • Radiant Shape Diamond.Radiant
      • Cushion Shape Diamond.Cushion
      • Asscher Shape Diamond.Asscher
      • Pear Shape Diamond.Pear
      • Marquise Shape Diamond.Marquise
      • Princess Shape Diamond.Princess
      • Heart Shape Diamond.Heart
      • Antique Shape Diamond.Antique
      • Hybrid Shape Diamond.Hybrid

      LEARN MORE

      • Curated Diamond Selection
      • The Four C's
      • Diamond Shapes
      • Lab Grown Diamonds 101
      • Lauren B Color Gems
      • Carat Size On The Hand
      • Diamond on Hand Comparisons
      • VeraLume
      Loose Diamonds on Table. Virtual Diamond & Gem Inventory Graded by GIA Logo.
  • Wedding Bands
    • View All
    • WOMEN

      • Natural Diamonds
      • Lab Grown Diamonds
      • Colored Gemstones
      • Colored Diamonds
      • New Arrivals

      MEN

      • Classic
      • Designer
      • Diamond

      RING STYLE

      • Pave Band.Pave
      • U-Shape Band.U-Shape
      • Prong Band.Basket
      • Bezel Band.Bezel
      • Channel Band.Channel

      GET INSPIRED

      • Band Style Guide
      • Wedding Band Videos
      • Wedding Ring Pairings

      STONE SHAPE

      • Round Shape Diamond.Round
      • Emerald Shape Diamond.Emerald
      • Oval Shape Diamond.Oval
      • Radiant Shape Diamond.Radiant
      • Cushion Shape Diamond.Cushion
      • Asscher Shape Diamond.Asscher
      • Pear Shape Diamond.Pear
      • Marquise Shape Diamond.Marquise
      • Princess Shape Diamond.Princess
      • Baguette Shape Diamond.Baguette
      Shop All Wedding Bands Shop All Wedding Bands
  • Jewelry
    • View All
    • COLLECTION

      • Natural Diamonds
      • Lab Grown Diamonds
      • Colored Gemstones
      • Colored Diamonds
      • New Arrivals

      CATEGORY

      • Earrings
      • Necklaces
      • Bracelets
      • Rings

      FEATURED

      • Diamond Studs
      • Pendants
      • Tennis Bracelets
      • Hoops
      • Tennis Necklaces

      PRICE RANGE

      • Under $500
      • $500 to $1000
      • $1000 to $2000
      • $2000 & Up
      Wedding Bands Shop All Fine Jewelry
  • Custom Design
    • View All
    • CUSTOM DESIGN PROCESS

      • Ring Design Icon.

        Select Ring Designs

        Find your inspiration from our engagement ring

        gallery, or design your own unique ring

      • Diamonds Icon.

        Search Diamonds & Gems

        Start with a center-stone form our virtual diamond

        and gem inventory

      • Custom Quote Icon.

        Receive a Custom Quote

        A design expert will execute your vision and achieve

        the best quality and value for the final piece

      • Creation & Delivery Icon.

        Creation & Delivery

        Our master craftsmen create each ring by hand to

        the exact measurements of your center-stone

      WORK WITH A DESIGN CONSULTANT

      • Read our Step by Step Guide
      • Shopping in Showroom
      • Shopping Remotely

      LEARN MORE

      • Handmade Rings
      • Curated Diamond Selection
      • Documents with Purchase
      • Ring Size & Resizing
      • International Clients
      Handmade Ring Process.
  • SERVICE
    • View All
    • SERVICE

      • Shipping
      • Returns
      • Payments
      • Financing Options
      • Warranty
      • Ring Care
      • More

      FAQ

      • Working with Us
      • Design & Diamonds
      • Insurance
      • Re-Sizing
      • Our Website
      • More

      SHOWROOM HOURS

      • Monday 10am - 5:00pm
      • Tues, Wed and Thurs 10am - 5:45pm
      • Friday 10am - 4:00pm
      • Sunday 10am - 4:00pm (appointment only)

      Schedule Appointment

      In-Store Virtual/Online

      Connect

      Contact Us
  • More
    • View All
      • ABOUT US
      • VIDEO GALLERY
      • EDUCATION

      ABOUT LAUREN B

      • Our Story
      • LB Clients
      • NYC Showroom
      • Events
      • Careers

      FOLLOW US:

      Instagram Logo. YouTube Logo. Facebook Logo. Pinterest Logo.
      Blog Icon.
      Lauren B Jewelry Showroom in New York City.

      Video Icon. VIDEO GALLERY

      • View our gallery packed with stunning designs,

        dazzling stones and educational content

      • Custom Ring Design Videos
      • Loose Diamond Gallery
      • Education Gallery

      Instagram Logo. INSTAGRAM

      • Follow us to discover endless inspiration

        with curated photos and videos

      Diamond Rings in Display Case.

      YouTube Logo. YOUTUBE

      • Subscribe to our channel for a deep dive

        into the world of jewelry and gemstones

      Loose Diamonds Between Woman's Fingers.

Login / Sign up

    • Engagement Rings
      • ALL ENGAGEMENT RINGS

        Natural Diamonds
        Lab Diamonds
        Colored Gemstones
        Colored Diamonds
        Moissanite
        In-Stock
        New Arrivals

        START BY RING SHAPE

        • Round Shape Diamond.Round
        • Emerald Shape Diamond.Emerald
        • Oval Shape Diamond.Oval
        • Radiant Shape Diamond.Radiant
        • Cushion Shape Diamond.Cushion
        • Asscher Shape Diamond.Asscher
        • Pear Shape Diamond.Pear
        • Marquise Shape Diamond.Marquise
        • Princess Shape Diamond.Princess
        • Heart Shape Diamond.Heart
        • Antique Shape Diamond.Antique
        • Hybrid Shape Diamond.Hybrid

        START BY RING DESIGN

        • Solitaire Ring Design.Solitaire
        • Pave Ring Design.Pave
        • 3 Stone Ring Design.Three Stone
        • Halo Ring Design.Halo

        EXCLUSIVE COLLECTIONS

        • Signature Wraps
        • Hidden Halo™
        • Invisible Gallery™
        • Pave Prongs

        CENTER-STONE SIZE

        • Under 1 carat
        • 1 to 2 carats
        • 2 to 3 carats
        • 3 to 4 carats
        • 4 to 5 carats
        • 5 carats & up
      • Contact Us

        Call
        Email
        Visit
        • IN-STORE
        • VIRTUAL
    • LOOSE DIAMONDS & GEMS
      • LOOSE DIAMONDS & GEMS

        • Graded by GIA Logo.

        SHOP ALL NATURAL DIAMONDS

        • Round Shape Diamond.Round
        • Emerald Shape Diamond.Emerald
        • Oval Shape Diamond.Oval
        • Radiant Shape Diamond.Radiant
        • Cushion Shape Diamond.Cushion
        • Asscher Shape Diamond.Asscher
        • Pear Shape Diamond.Pear
        • Marquise Shape Diamond.Marquise
        • Princess Shape Diamond.Princess
        • Heart Shape Diamond.Heart
        • Antique Shape Diamond.Antique
        • Hybrid Shape Diamond.Hybrid

        SHOP ALL LAB GROWN DIAMONDS

        • Round Shape Diamond.Round
        • Emerald Shape Diamond.Emerald
        • Oval Shape Diamond.Oval
        • Radiant Shape Diamond.Radiant
        • Cushion Shape Diamond.Cushion
        • Asscher Shape Diamond.Asscher
        • Pear Shape Diamond.Pear
        • Marquise Shape Diamond.Marquise
        • Princess Shape Diamond.Princess
        • Heart Shape Diamond.Heart
        • Antique Shape Diamond.Antique
        • Hybrid Shape Diamond.Hybrid

        SHOP GEMSTONES

        • Sapphire
        • Moissanite
        • Morganite
        • Amethyst
        • Tourmaline

        LEARN MORE

        • The Four C's
        • Curated Diamond Selection
        • Carat Size On The Hand
        • Diamond on Hand Video Comparisons
        • Lab Grown Diamonds 101
        • Lauren B Color Gems
        • VeraLume
      • Contact Us

        Call
        Email
        Visit
        • IN-STORE
        • VIRTUAL
    • Wedding Bands
      • WOMEN WEDDING BANDS

        • Natural Diamonds
        • Lab Grown Diamonds
        • Colored Gemstones
        • Colored Diamonds
        • New Arrivals
        • Shop All Wedding Bands

        STONE SHAPE

        • Round Shape Diamond.Round
        • Emerald Shape Diamond.Emerald
        • Oval Shape Diamond.Oval
        • Radiant Shape Diamond.Radiant
        • Cushion Shape Diamond.Cushion
        • Asscher Shape Diamond.Asscher
        • Pear Shape Diamond.Pear
        • Marquise Shape Diamond.Marquise
        • Princess Shape Diamond.Princess
        • Baguette Shape Diamond.Baguette

        RING STYLE

        • Pave Band.Pave
        • Prong Band.Basket
        • U-Shape Band.U-Shape
        • Bezel Band.Bezel
        • Channel Band.Channel
        • Compass Band. Compass

        MEN WEDDING BANDS

        • Classic
        • Designer
        • Diamond

        GET INSPIRED

        • Band Style Guide
        • Wedding Band Videos
        • Engagement & Wedding Ring Videos
      • Contact Us

        Call
        Email
        Visit
        • IN-STORE
        • VIRTUAL
    • Jewelry
      • JEWELRY

        • Earrings
        • Necklaces
        • Bracelets
        • Rings
        • Shop All Fine Jewelry

        FEATURED

        • Diamond Studs
        • Pendants
        • Tennis Bracelets
        • Hoops
        • Tennis Necklaces

        COLLECTION

        • Natural Diamonds
        • Lab Grown Diamonds
        • Colored Gemstones
        • Colored Diamonds
        • New Arrivals

        PRICE RANGE

        • Under $500
        • $500 to $1000
        • $1000 to $2000
        • $2000 & Up
      • Contact Us

        Call
        Email
        Visit
        • IN-STORE
        • VIRTUAL
    • Lab Grown Diamonds
        • LAB Diamond Logo.

          COLLECTIONS

        • Engagement Rings
        • Wedding Bands
        • Jewelry

        LOOSE LAB DIAMONDS

        • Round Shape Diamond.Round
        • Emerald Shape Diamond.Emerald
        • Oval Shape Diamond.Oval
        • Radiant Shape Diamond.Radiant
        • Cushion Shape Diamond.Cushion
        • Asscher Shape Diamond.Asscher
        • Pear Shape Diamond.Pear
        • Marquise Shape Diamond.Marquise
        • Princess Shape Diamond.Princess
        • Heart Shape Diamond.Heart
        • Antique Shape Diamond.Antique
        • Hybrid Shape Diamond.Hybrid

        ANTIQUE STYLE LAB DIAMONDS

        • Antique Cushion Diamond. Cushion
        • Antique Old Euro Diamond. Old Euro
        • Antique Oval Step Diamond. Oval Step Cut

        LEARN MORE

        • Lab Grown Diamonds 101
        • Lab vs Natural Diamonds
        • Why Choose a Lab Diamond?

        Lab grown diamonds are identical in both chemical makeup and appearance to natural diamonds; providing the same beauty and sparkle. The only difference is how they are created which makes them a more affordable, eco friendly option.

        • Eco-Friendly Icon. Eco
          Friendly
        • Sparkling Diamond Icon. Sparkle &
          Durability
        • Shopping Bag Icon. Pricing
      • Contact Us

        Call
        Email
        Visit
        • IN-STORE
        • VIRTUAL
    • Custom Design
      • CUSTOM DESIGN PROCESS

        • Ring Design Icon.

          Select Ring Designs

          Find your inspiration from our engagement ring gallery, or design your own unique ring

        • Diamonds Icon.

          Search Diamonds & Gems

          Start with a center-stone form our virtual diamond and gem inventory

        • Custom Quote Icon.

          Receive a Custom Quote

          A design expert will execute your vision and achieve the best quality and value

        • Creation & Delivery Icon.

          Creation & Delivery

          Each ring is crafted by hand to the exact measurements of your center-stone

        WORK WITH A DESIGN CONSULTANT

        • Step by Step Design Guide
        • Shopping in Showroom
        • Shopping Remotely

        LEARN MORE

        • About Handmade Rings
        • Curated Diamond Selection
        • Ring Size & Resizing
        • Documents with Purchase
        • International Clients
      • Contact Us

        Call
        Email
        Visit
        • IN-STORE
        • VIRTUAL
    • Client Support
      • SERVICE

        • Shipping Icon. Shipping
        • Returns Icon. Returns
        • Credit Card Icon. Payments
        • Financing Icon. Financing Options
        • Engagement Ring Warranty Warranty
        • Ring Care Icon. Ring Care

        FAQ

        • Working with Us
        • Design & Diamonds
        • Insurance
        • Re-Sizing

        SCHEDULE APPOINTMENT

        • IN-STORE
        • VIRTUAL

        Our showroom is located at 608

        5th Avenue in New York City

        Monday 10am - 5:00pm
        Tues, Wed & Thurs 10am - 5:45pm
        Friday 10am - 4:00pm
        Sunday 10am - 4:00pm
      • Contact Us

        Call
        Email
        Visit
        • IN-STORE
        • VIRTUAL
    • About
      • ABOUT LAUREN B

        • Our Story Icon. Our Story
        • Clients Icon. LB Clients
        • Events Icon. Events
        • Careers Icon. Careers
        • Showroom Icon. NYC Showroom
        Lauren B Jewelry Showroom in New York City.

        FOLLOW US

        Instagram Logo. YouTube Logo. Facebook Logo. Pinterest Logo.
      • Contact Us

        Call
        Email
        Visit
        • IN-STORE
        • VIRTUAL
    • Video & Media
      • VIDEO & MEDIA

        Video Play Icon.

        LAUREN B VIDEO GALLERY

        View our video gallery packed with

        stunning designs, dazzling stones

        and educational content

        Instagram Logo.

        INSTAGRAM

        Discover endless inspiration on

        Instagram with curated photos

        and videos

        Diamond Rings in Display Case.
        YouTube Logo.

        YOUTUBE

        Subscribe to our channel to dive

        deeper into the world of jewelry

        Loose Diamonds Between Woman's Fingers.

        MOST VIEWED

        • Diamond Carat Sizes on the Hand
        • Making of Oval Diamond Ring
        • Cleaning Your Jewelry
        • Pop to Life Radiant Cut Ring
        • Do Not Try This at Home
        • Wedding Bands Growing in Size
      • Contact Us

        Call
        Email
        Visit
        • IN-STORE
        • VIRTUAL
    • Blog & Education
      • BLOG & EDUCATION

        READ OUR BLOG

        • GIA vs IGI Diamond Grading
        • Carat Weight vs Appearance
        • Diamond Face-Off: Oval vs Radiant
        • Choosing the Perfect Bridal Jewelry
        • Lab vs Natural Diamonds

        GEM & JEWELRY EDUCATION

        • Diamonds
        • Lab Grown Diamonds
        • Color Gemstones
        • Moissanite
        • Engagement Ring
        • Wedding Bands
        • Jewelry
        Hand Holding Jewelry Loop.
      • Contact Us

        Call
        Email
        Visit
        • IN-STORE
        • VIRTUAL
    • Contact Us

       Call
       Email
       Visit
      • IN-STORE
      • VIRTUAL
  • CONTACT US
  • |
  • Schedule Appointment icon SCHEDULE APPOINTMENT
    • IN-STORE
    • VIRTUAL
All
  • Search Icon. Search Icon. Close Search Icon.
  • Wishlist Heart Icon.
  • Account Icon.
    Account Icon. Heart Icon.
    • Login
    • Create Account
    • Wishlist Icon
      Wishlist
  • Shopping Bag Icon. Shopping Bag Icon.
Menu Lauren B Jewelry Icon. Lauren B Jewelry Logo. Lauren B Jewelry Logo.
Contact Us SCHEDULE APPOINTMENT
  • In Store Icon IN-STORE
  • Virtual Icon VIRTUAL
  • Home
  • Diamond & Moissanite Carat Sizes Shown On Hand | Center-Stone Shape
Animated Loading Icon.

Please Wait

Diamond & Moissanite Carat Sizes Shown On Hand

Below are images of incremental carat sizes in every center-stone shape, shown on a hand model with a ring size of 5.75. Each stone is set into a ring and please note these are only close approximates as center-stone dimensions and length/width ratios can vary on stone by stone basis. At Lauren B we aim to give our clients the most well cut stones that achieve a balance of large face-up dimensions and high levels of sparkle.  See below or watch this video here

Below are images of incremental carat sizes in every center-stone shape, shown on a hand model with a ring size of 5.75. 

SHAPE CATEGORIES
  • Round
  • Cushion Square
  • Cushion Elongated
  • Oval
  • Pear
  • Emerald
  • Radiant
  • Princess
  • Marquise
  • Heart
  • Asscher
Icon of Round gemstone

Round

Round brilliants have the most precise, consistent cutting style therefore the dimensions below will be very accurate when based on an excellent cut stone.

0.75 CT (6 MM)

0.75 CT (6 MM)

0.50 CT (5.5 MM)

0.50 CT (5.5 MM)

0.75 CT (6 MM)

0.75 CT (6 MM)

1.0 CT (6.5 MM)

1.0 CT (6.5 MM)

1.25 CT (7.0 MM)

1.25 CT (7.0 MM)

1.50 CT (7.4 MM)

1.50 CT (7.4 MM)

1.75 CT (7.75 MM)

1.75 CT (7.75 MM)

2.0 CT (8.15 MM)

2.0 CT (8.15 MM)

2.25 CT (8.45 MM)

2.25 CT (8.45 MM)

2.75 CT (8.75 MM)

2.75 CT (8.75 MM)

3.0 CT (9.3 MM)

3.0 CT (9.3 MM)

4.0 CT (10.2 MM)

4.0 CT (10.2 MM)

5.0 CT (11 MM)

5.0 CT (11 MM)

Icon of Cushion Square gemstone

Cushion Square

The below examples are based on the hybrid cushion brilliant which offers a large face-up appearance and a crisp sparkle. Shown here are stones with a perfectly square length to width ratio of 1:1.

0.50 CT (4.6 MM)

0.50 CT (4.6 MM)

0.75 CT (5.1 MM)

0.75 CT (5.1 MM)

1.0 CT (5.7 MM)

1.0 CT (5.7 MM)

1.25 CT (6.2 MM)

1.25 CT (6.2 MM)

1.50 CT (6.6 MM)

1.50 CT (6.6 MM)

1.70 CT (7 MM)

1.70 CT (7 MM)

2.0 CT (7.4 MM)

2.0 CT (7.4 MM)

2.50 CT (8 MM)

2.50 CT (8 MM)

3.0 CT (8.5 MM)

3.0 CT (8.5 MM)

4.0 CT (9 MM)

4.0 CT (9 MM)

Icon of Cushion Elongated gemstone

Cushion Elongated

The below examples are based on the hybrid cushion brilliant which offers a large face-up appearance and a crisp sparkle. Shown here are stones with a rectangular length to width ratio of 1.1:1.

1.0 CT (6.1X5.4)

1.0 CT (6.1X5.4)

1.25 CT (6.5X5.8)

1.25 CT (6.5X5.8)

1.50 CT (7.1X6.3)

1.50 CT (7.1X6.3)

1.75 CT (7.4X6.6)

1.75 CT (7.4X6.6)

2.0 CT (7.8X7)

2.0 CT (7.8X7)

2.50 CT (8.5X7.6)

2.50 CT (8.5X7.6)

3.0 CT (9X8.1)

3.0 CT (9X8.1)

4.0 CT (9.7X8.7)

4.0 CT (9.7X8.7)

Icon of Oval gemstone

Oval

This shape can vary greatly by length to width ratio and its depth percentage. The examples here are based on a desirable length to width ratio of around 1.4:1 and a well-proportioned stone in terms of depth.

1.0 CT (7.8x5.7)

1.0 CT (7.8x5.7)

1.25 CT (8.4x6.1)

1.25 CT (8.4x6.1)

1.50 CT (9x6.5)

1.50 CT (9x6.5)

1.70 CT (9.5x6.9)

1.70 CT (9.5x6.9)

2.0 CT (10x7.2)

2.0 CT (10x7.2)

2.25 CT (10.3x7.4)

2.25 CT (10.3x7.4)

2.5 CT (10.5x7.6)

2.5 CT (10.5x7.6)

3.0 CT (11.4x8.2)

3.0 CT (11.4x8.2)

4.0 CT (12.5x9)

4.0 CT (12.5x9)

Icon of Pear gemstone

Pear

This cut is elongated by nature and shown here are ones with a desirable length to width ratio of approximately 1.55:1 and well balanced depth/table proportions.

0.75 CT (7.8x5)

0.75 CT (7.8x5)

1.0 CT (8.9x5.7)

1.0 CT (8.9x5.7)

1.25 CT (9.4x6)

1.25 CT (9.4x6)

1.50 CT (10x6.4)

1.50 CT (10x6.4)

1.70 CT (10.6x6.8)

1.70 CT (10.6x6.8)

2.0 CT (11.1x7.1)

2.0 CT (11.1x7.1)

2.50 CT (11.6x7.5)

2.50 CT (11.6x7.5)

3.0 CT (12.4x8)

3.0 CT (12.4x8)

4.0 CT (14x9)

4.0 CT (14x9)

Icon of Emerald gemstone

Emerald

This step cut shape can have varying degrees of length to width ratios within an acceptable range of 1.2:1 for a wider look, and up to a more slender appearance at 1.45:1. Below are examples of stones that fall towards the middle of this range.

.50 CT (5.2x4)

.50 CT (5.2x4)

.75 CT (6.3x4.8)

.75 CT (6.3x4.8)

1.0 CT (6.8x5.2)

1.0 CT (6.8x5.2)

1.25 CT (7.2x5.5)

1.25 CT (7.2x5.5)

1.50 CT (7.6x5.8)

1.50 CT (7.6x5.8)

1.70 CT (7.9x6.1)

1.70 CT (7.9x6.1)

2.0 CT (8.5x6.5)

2.0 CT (8.5x6.5)

3.0 CT (9.6x7.3)

3.0 CT (9.6x7.3)

4.0 CT (10.6x8.1)

4.0 CT (10.6x8.1)

Icon of Elongated Radiant gemstone

Elongated Radiant

This shape can have varying degrees of length to width ratios within an acceptable range of 1.2:1 for a wider look, and up to a more slender appearance at 1.45. Below are examples of stones that fall towards the middle of this range.

0.50 CT (5.2x4)

0.50 CT (5.2x4)

1.0 CT (6.8x5.2)

1.0 CT (6.8x5.2)

1.25 CT (7.2x5.5)

1.25 CT (7.2x5.5)

1.50 CT (7.6x5.8)

1.50 CT (7.6x5.8)

1.70 CT (7.9x6.1)

1.70 CT (7.9x6.1)

2.0 CT (8.5x6.5)

2.0 CT (8.5x6.5)

2.5 CT (9.1x7)

2.5 CT (9.1x7)

3.0 CT (9.6x7.3)

3.0 CT (9.6x7.3)

4.0 CT (10.6x8.1)

4.0 CT (10.6x8.1)

Icon of Princess gemstone

Princess

One of the few shapes that are meant to only be square by nature, its sharp corners and fiery sparkle give it a distinct appearance.

0.50 CT (4.5)

0.50 CT (4.5)

0.75 CT (5.1)

0.75 CT (5.1)

1.0 CT (5.6)

1.0 CT (5.6)

1.25 CT (6.0)

1.25 CT (6.0)

1.50 CT (6.4)

1.50 CT (6.4)

2.0 CT (7.0)

2.0 CT (7.0)

3.0 CT (8.1)

3.0 CT (8.1)

Icon of Marquise gemstone

Marquise

The most elongated of all the shapes, the examples below show marquise stones with length to width ratios of around 1.9:1.

0.50 CT (8.2x4.3)

0.50 CT (8.2x4.3)

1.0 CT (10.2x5.3)

1.0 CT (10.2x5.3)

1.50 CT (11.7x6.1)

1.50 CT (11.7x6.1)

2.0 CT (13x6.8)

2.0 CT (13x6.8)

Icon of Heart gemstone

Heart

This romantic of shape features a pointed tip and two arches at the top separated by a distinctive cleft.

0.50 CT (5)

0.50 CT (5)

1.0 CT (6.4)

1.0 CT (6.4)

2.0 CT (8.2)

2.0 CT (8.2)

Icon of Asscher gemstone

Asscher

Also known as a square emerald cut, this is the second shape which is truly square by nature. Unlike the princess cut, it features cut corners and step cut faceting.

0.50 CT (4.5)

0.50 CT (4.5)

1.0 CT (5.6)

1.0 CT (5.6)

1.50 CT (6.4)

1.50 CT (6.4)

2.0 CT (7.0)

2.0 CT (7.0)

3.0 CT (8.1)

3.0 CT (8.1)

SHOP BY CATEGORY

  • All Engagement Rings
  • Natural Diamond Rings
  • Lab Diamond Rings
  • Loose Diamond Inventory
  • Wedding Bands
  • Fine Jewelry
  • Lab Collection
  • Exclusive Collections
  • Timepieces

CLIENT SUPPORT

  • Customer Service
  • Ring Size
  • International Clients
  • Payment Options
  • Warranty
  • Shipping
  • FAQs

EDUCATION

  • The Four C’s Of Diamonds
  • Natural vs Lab Diamond
  • YouTube Learning
  • Video Gallery
  • Carat Size On The Hand
  • Handmade
  • Product Index
  • Custom Design Booklet
  • Blog

ABOUT

  • LB Insider
  • NYC Showroom
  • Our Clients
  • About Us
  • Careers
  • Terms & Conditions
  • Privacy Policy

SHOWROOM HOURS

  • Monday 10am - 5:00pm
  • Tues, Wed and Thurs 10am - 5:45pm
  • Friday 10am - 4:00pm
  • Sunday 10am - 4:00pm (appointment only)

CONTACT US

  • Phone Icon. (212) 391-0633
  • Email Us Icon. info@laurenb.com
  • Map Pin Icon.

    Lauren B Jewelry

    608 5th Avenue

    Third Floor

    New York, NY 10020

    (get directions)

Instagram Logo. YouTube Logo. Facebook Logo. Pinterest Logo.

Be the First to Know!

Subscribe for the latest news and offers.

  • BBB
  • Lauren B Blog
  • Jewelers of America
  • gia
Lauren B Fine Jewelry and Diamonds · 608 5th Avenue, Third Floor · New York, NY 10020
© COPYRIGHT Lauren B. 2026, All Rights Reserved
To the best of our knowledge we do not offer for sale copies - imitation or reproduction of brand name jewelry designs.