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Oval Cut Lab Grown Diamonds

Our oval lab grown diamonds are exquisitely cut into an elongated shape that lengthens the finger.

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  • Best Balance
  • Top Quality

A curated assortment of our most innovative diamonds

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Lab grown oval diamonds are all the rage – and for the right reasons. A oval lab grown diamond features sumptuous curves and unique faceting that allows for maximum, scintillating sparkle. Our curated collection of responsibly sourced lab grown diamonds come in a wide variety of cut, color, clarity, and carat allowing each customer to choose a stone that fits with their individual style, flair, and personality. Each Brilliant Earth oval diamond is Beyond Conflict Free™, furthering our mission to cultivate a more ethical, transparent, sustainable, and compassionate jewelry industry.


An oval lab grown diamond pairs excellently with any Brilliant Earth setting. Choose from a wide range of designs that fit every need: from sophisticated solitaires to luxe, diamond-accented halos, and unique settings like toi et moi styles. An oval cut diamond ring is a timeless choice made to last for a lifetime.

Oval lab grown diamonds are offered across a wide range of carat weights, from small accent sizes under 0.5 carat to large statement stones over 6 carats. Filter by carat to find options that fit your budget and desired presence.
Cut grades for oval lab grown diamonds include Super Ideal, Ideal, Very Good, and Good, reflecting differences in proportions and facet precision. These options let you prioritize light performance or value depending on preference.
Oval lab grown diamonds can be filtered by carat, cut grade, color, clarity, length-to-width ratio, fluorescence, report lab, and other technical attributes. A Brilliant Earth jewelry specialist can help explain which filters matter most for your goals.
Oval lab grown diamonds are available across common color grades from D through J and clarity grades ranging from FL and IF through VVS, VS, and SI levels. These ranges make it easy to balance visual appeal with price.
Each listing includes carat weight, cut grade, color, clarity, length-to-width ratio, measurements, report lab and report number, fluorescence, polish and symmetry grades, and clear imagery. This data helps compare stones and confirm fit for a chosen setting.
Two diamonds with identical grades can differ in proportions, exact measurements, facet arrangement, and light performance, all of which influence face-up appearance. Reviewing images, measurements, and L:W ratios highlights those differences.
Yes, many oval lab grown diamonds include 360-degree imagery and videos when available, enabling a close look at proportions and inclusions. Use those tools to evaluate how a stone looks before adding it to a ring.
The elongated profile of an oval diamond pairs beautifully with vintage-inspired halos, sleek solitaires that emphasize length, and tapered or split-shank bands that enhance elegance. These styles highlight the diamond’s graceful silhouette.
Popular length-to-width ratios for oval lab grown diamonds typically range from 1.30 to 1.70. Ratios near 1.30 read as more rounded while higher ratios create a more elongated, elegant look.
Yes, you can add an oval lab grown diamond to an engagement ring using the Add to Ring option or by speaking with a Brilliant Earth jewelry specialist for personalized guidance.

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