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Natural Diamonds

Explore a curated selection of premium loose natural diamonds, each ethically sourced to ensure both quality and integrity.

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  • Most Sparkle
  • Best Balance
  • Top Quality

A curated assortment of our most innovative diamonds

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Our curated collection of loose natural diamonds and loose lab grown diamonds features a wide array of dazzling stones that complement a variety of tastes and budgets. Our Beyond Conflict Free Diamonds® further our mission to cultivate a more ethical, transparent, sustainable, and compassionate jewelry industry. Brilliant Earth natural 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 including round cut, oval cut, cushion cut, marquise cut, old mine cut,pear shaped, emerald cut, radiant cut, asscher cut, princess cut, and heart shaped.

Next, ensure the loose diamonds that you are perusing are graded oncut, 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.

Natural loose diamonds are available from small melee sizes under 0.25 ct up through 5 carats and larger, with popular options like 0.5 ct, 1 ct, and 2 ct widely offered. Brilliant Earth carries a broad range of carat weights across shapes and price points.
Natural loose diamonds come in many shapes including round, oval, emerald, cushion, elongated cushion, pear, radiant, princess, marquise, asscher, and heart. Brilliant Earth lists these shapes across a wide variety of cuts and carat weights.
Cut grades for natural loose diamonds typically include Super Ideal, Ideal, Very Good, Good, and Fair, reflecting different facet proportions and light performance. You can filter by cut grade to find diamonds with the face-up appearance you prefer.
Color grades range from colorless D down through near-colorless and faint colors, and clarity grades span from Flawless and Internally Flawless through VVS, VS, SI, and included grades. Brilliant Earth stocks a wide selection across these color and clarity ranges.
Each loose diamond listing includes carat weight, cut grade, color, clarity, length-to-width ratio, measurements, fluorescence, polish, symmetry, origin, and a link to its grading report and full specs. These details help you compare stones at a glance.
Start with the 4Cs (cut, color, clarity, and carat weight), prioritizing cut since it drives the most sparkle. From there, it's about personal preference, including how much brilliance, size, and shape is right for you and your budget.
Yes, many loose diamond listings include multiple images, 360-degree views, and Real View or video content so you can evaluate a stone from different angles. These visuals make it easier to compare sparkle and proportions online.
Engagement ring settings that accommodate loose natural diamonds include solitaire, halo, bezel, three-stone, vintage-inspired, and hidden halo styles, among others. A variety of settings can be paired with different shapes and carat weights.
Yes. Brilliant Earth's Design Your Own tool lets you pick a setting from our collection and pair it with the natural loose diamond you've selected. You can preview the finished piece before purchasing.
Yes. Every Brilliant Earth natural diamond comes with a certificate and grading report from a trusted, independent lab like GIA, IGI, or GCAL, verifying both its quality and origin.

Half Carat (0.5 ct.) Diamonds

1 Carat Diamonds

2 Carat Diamonds

3 Carat Diamonds

4 Carat Diamonds

5 Carat Diamonds

Round Cut Diamonds

Oval Cut Diamonds

Emerald Cut Diamonds

Elongated Cushion Cut Diamonds