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These results are the closest match to your search. Use the filters at the top of the page to refine your results.

These results are the closest match to your search. Use the filters at the top of the page to refine your results.

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Lab grown marquise diamonds are trending for all the right reasons. They feature curves that join together in tips at either end and unique faceting that allows for maximum, scintillating sparkle. A unique alternative to more traditional diamond shapes, a lab grown marquise diamond is an excellent choice for anyone looking for a timeless yet on-trend look. Our curated collection of responsibly sourced lab created marquise cut diamonds come in a wide variety of cut, color, clarity, and carat allowing each customer to choose a lab grown diamond that fits with their individual style, personality, and flair.


Each of our carefully curated lab grown marquise cut diamonds are Beyond Conflict Free™ in accordance with our mission to cultivate a more ethical, transparent, sustainable, and compassionate jewelry industry. A Brilliant Earth lab created marquise diamond is a stunning and an ethical choice: they're beautiful, inside and out.