Marquise Diamond Jewelry

Explore finished jewelry with marquise diamond designs, or use the shape as a starting point for a custom piece.

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  • Hayden Round and Marquise Lab Band

    Hayden Round and Marquise Lab Band

    $0.00
  • Betty Grand Marquise Lab Diamond Band

    Betty Grand Marquise Lab Diamond Band

    $0.00
  • Cole Round And Marquise Lab Open Band

    Cole Round And Marquise Lab Open Band

    $0.00
  • The Perrine

    The Perrine

    $0.00
  • Minnie Marquise Lab Diamond Engagement Ring

    Minnie Marquise Lab Diamond Engagement Ring

    $0.00
  • Leila Marquise Lab Diamond Engagement Ring

    Leila Marquise Lab Diamond Engagement Ring

    $0.00
  • Zariyah Marquise Lab Diamond Engagement Ring

    Zariyah Marquise Lab Diamond Engagement Ring

    $0.00
  • Genevieve Marquise Lab Diamond Engagement Ring

    Genevieve Marquise Lab Diamond Engagement Ring

    $0.00
  • Pia Marquise Lab Diamond Engagement Ring

    Pia Marquise Lab Diamond Engagement Ring

    $0.00
  • Eve Marquise Lab Diamond Engagement Ring

    Eve Marquise Lab Diamond Engagement Ring

    $0.00
  • Waverly Marquise Lab Diamond Engagement Ring

    Waverly Marquise Lab Diamond Engagement Ring

    $0.00
  • Hannah Marquise Lab Diamond Engagement Ring

    Hannah Marquise Lab Diamond Engagement Ring

    $0.00
  • Round Lab-Grown Diamond Heritage Pendant

    Round Lab-Grown Diamond Heritage Pendant

    $0.00
  • Marquise and Round Lab-Grown Diamond Flower Pendant

    Marquise and Round Lab-Grown Diamond Flower Pendant

    $0.00
  • Multi-Shape Lab-Grown Diamond Drop Pendant

    Multi-Shape Lab-Grown Diamond Drop Pendant

    $0.00
  • Marquise Lab-Grown Diamond Circle Pendant

    Marquise Lab-Grown Diamond Circle Pendant

    $0.00
  • Marquise Lab-Grown Diamond Bezel Solitaire Slide Pendant

    Marquise Lab-Grown Diamond Bezel Solitaire Slide Pendant

    $0.00
  • Marquise and Round Lab-Grown Diamond Heart Pendant

    Marquise and Round Lab-Grown Diamond Heart Pendant

    $0.00
  • Marquise Lab-Grown Diamond 6-Prong Bail Solitaire Pendant

    Marquise Lab-Grown Diamond 6-Prong Bail Solitaire Pendant

    $0.00
  • Marquise Lab-Grown Diamond Dewdrop Pendant

    Marquise Lab-Grown Diamond Dewdrop Pendant

    $0.00
  • Marquise Lab-Grown Diamond Chevron Stud Earrings

    Marquise Lab-Grown Diamond Chevron Stud Earrings

    $0.00
  • Marquise Lab-Grown Diamond Petal Stud Earrings

    Marquise Lab-Grown Diamond Petal Stud Earrings

    $0.00
  • Marquise Lab-Grown Diamond V-Tip Earrings

    Marquise Lab-Grown Diamond V-Tip Earrings

    $0.00
  • Marquise Lab-Grown Diamond Floral-Shaped Earrings

    Marquise Lab-Grown Diamond Floral-Shaped Earrings

    $0.00

The details

A closer look at your piece.

Look at the materials, explore the design and choose the details that feel right for you.

Jewelry styling inspiration in natural light
Styling inspiration. Materials vary by design.

Gold, chosen for the design.

TEYLEN’S offers jewelry in 14K and 18K gold. Check the available metals and colors for the piece you choose.

See the stone. Consider the setting.

The shape, stone dimensions and setting all influence how a piece looks and feels. Take a closer look at the design before you choose.

Hayden Round and Marquise Lab Band
An educational close-up of a faceted diamond

Understand your diamond report.

Report availability is specific to the piece you choose. Where an IGI report is provided, compare its number and details with IGI’s official verification record.

Read about IGI reports

Before you choose.

Answers about materials, sizing, custom requests and everyday care.

Materials & reports

Are the diamonds lab-grown?

Our diamond jewelry uses lab-grown diamonds. Check the product description for the stone type and origin, and contact us if you need more detail about a particular piece.

What gold is used?

TEYLEN’S offers jewelry in 14K and 18K gold. Available metals and colors vary by design. Check the material description and options for the piece you choose, or contact us about a specific preference.

Does every diamond include an IGI report?

Check the product page or contact us to confirm report availability for a particular piece. Some designs may not include an individual diamond report. Where an IGI report is provided, compare its number and details with IGI’s official verification record.

Fit & everyday care

How do I choose the right size?

Check the dimensions and size options for the piece you choose. Compare them with jewelry that fits you comfortably, or contact us before ordering if you need help with a measurement.

Can I request a custom design?

Start with a design you like and tell us the details you would like to change. You can ask about stone size, metal or a personal design. We will confirm the available options for your request.

How should I care for my jewelry?

Store pieces separately and remove them before swimming, exercise or household cleaning. Care depends on the metal, stone and setting. Ask us about your particular piece before using specialist cleaners or cleaning devices.

Have a particular piece in mind?

Ask about your piece