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Diamonds

Pick your perfect diamond with the Royal Lillian.

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Asscher

Cushion

Emerald

Heart

Marquise

Oval

Pear

Princess

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Round

Funny.Love.Colored

You will find the finest in the most beautiful hues at Lillian.

Start with a Lab Diamond Start with a Colored Lab Diamond

Super. Ideal. Cuts

Explore your super ideal diamonds to match your own jewelry.

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Design Your Own Earrings

With James Allen, it's easy to design your own studs.

Lab Diamonds Lillian Gemstone Lillian Moissanite Lillian High-carbon Diamonds

Design Your Own Necklace

Customized necklaces to fall for!

Lab Diamonds Lillian Gemstone Lillian Moissanite Lillian High-carbon Diamonds

Diamonds Reviews

The ring is stunning, and this is a timeless ring that will age well throughout the years. I love it so much.

— wordpress51

My girlfriend, now fiancé, was completely astonished by the flawless quality of the diamond, the setting, and the band!

— wordpress51

Romantic was proposing to her on our vacation in England I couldn't have been happier with my choice.

— wordpress51

Diamonds Education

4C‘s of Diamonds

The 4Cs stand for carat weight, color, clarity and cut.

Diamond Shape Guide

Diamond shape refers to its physical form, like round, oval, or princess.

Lab Diamond Guide

Discover the benefits, characteristics and why lab diamonds are a great alternative to natural diamonds

How Much to Spend on a Diamond?

Many people are now choosing rings that fit their unique style and budget.

Ethically-Sourced Diamonds

Our curated collection of loose natural diamonds and loose lab grown diamonds feature a wide array of dazzling stones that compliment a variety of tastes and budgets. Our Beyond Conflict Free DiamondsTM further our mission to cultivate a more ethical, transparent, sustainable and compassionate jewelry industry. Brilliant Earth natural diamonds and lab grown diamonds are both a stunning and responsible choice: our diamonds are beautiful, inside and out.
To find a diamond as one-of-a-kind as you are, begin by browsing our selection of diamond shapes: from round to oval, cushion, marquise, pear, emerald, radiant, asscher, princess, or heart. Next, ensure the loose diamonds that you are perusing have grades of cut, color, clarity, and carat that align with your standards. Our cutting-edge technology allows you to easily compare, contrast, and select loose diamonds to find the perfect one.

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Diamond FAQ

What is an engagement ring?

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How do I buy an engagement ring?

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