Lab-Grown Diamond Retailers in AI answers

Data as of Oct 22, 2026Based on 130 AI responsesReviewed by Dimitry Apollonsky

AI summary

Brilliant Earth has a clear lead in recommendations for where to buy lab-grown diamonds. For buyers seeking GIA certification, answers split between Brilliant Earth and Blue Nile, with James Allen and Brilliance also mentioned.

Most-mentioned brands

Rank and Mentioned in · since Jul 5

#	Brand	Mentioned in	Recommended for
1	Brilliant Earth 75% Lab-grown diamonds with GIA and IGI options, plus in-person design viewing.	75%	Lab-grown diamonds with GIA and IGI options, plus in-person design viewing.
2	Blue Nile 60% Lab-grown diamonds with GIA filters and custom engagement ring options.	60%	Lab-grown diamonds with GIA filters and custom engagement ring options.
2	Clean Origin 54% Lab-grown diamond jewelry from a specialist with GIA certification options.	54%	Lab-grown diamond jewelry from a specialist with GIA certification options.
4	Ritani 48% Loose-diamond price comparisons and detailed stone information for lab-grown buyers.	48%	Loose-diamond price comparisons and detailed stone information for lab-grown buyers.
4	Gemological Institute of America 40% GIA certification information for buyers considering lab-grown diamonds.	40%	GIA certification information for buyers considering lab-grown diamonds.
6	James Allen 39% Lab-grown diamonds with an emphasis on IGI certification.	39%	Lab-grown diamonds with an emphasis on IGI certification.
6	International Gemological Institute 37% A grading laboratory buyers compare with GIA for lab-grown diamonds.	37%	A grading laboratory buyers compare with GIA for lab-grown diamonds.
6	VRAI 35% Lab-grown diamonds and jewelry, including engagement rings, studs, and bracelets.	35%	Lab-grown diamonds and jewelry, including engagement rings, studs, and bracelets.
6	Rare Carat 33% Certified lab-grown diamond comparisons across sellers, with gemologist support.	33%	Certified lab-grown diamond comparisons across sellers, with gemologist support.
10	Shane Co.27%	27%
10	Grown Brilliance 25% Lab-grown diamond shopping with attention to warranties and financing options.	25%	Lab-grown diamond shopping with attention to warranties and financing options.
12	Brilliance 16%	16%
12	Loose Grown Diamond 12%	12%
12	Gem Certification & Assurance Lab 11%	11%
12	Macy's 11%	11%
16	Quince 10%	10%
16	47Jewelry 9%	9%
16	Zales Owned by Signet Jewelers 8%	8%
16	Kay Jewelers Owned by Signet Jewelers 8%	8%
16	Whiteflash 6%	6%
16	Adiamor 5%	5%
22	B2C Jewels 5%	5%
22	Lauren B Jewelry 5%	5%
22	Jared The Galleria of Jewelry 5%	5%
22	Jean Dousset 4%	4%
22	LabGrown.com 4%	4%
22	With Clarity 4%	4%
22	MiaDonna 4%	4%
22	Helzberg Diamonds 4%	4%
22	Mikado Diamonds 3%	3%
22	Whitehouse Brothers 3%	3%
22	Nordstrom 3%	3%
22	New World Diamonds 2%	2%
22	Washington Diamond 2%	2%
22	Ouros Jewels 2%	2%
22	Simone & Son 2%	2%
22	Plum Diamonds 2%	2%
22	Stienhardt & Stones 2%	2%
22	Gema & Co.2%	2%
22	Northfire Jewelry 2%	2%
22	Etsy 2%	2%
22	Rêve Diamonds 2%	2%
22	Beniyaz Lab Grown 2%	2%
22	Golden Bird Jewels 2%	2%
22	Pandora Jewelry 2%	2%
22	Monaco Jewelers 2%	2%
22	Aydins Jewelry 2%	2%
48	Obsession Diamonds 1%	1%
48	Avant Garde Jewelers 1%	1%
48	Belaroq 1%	1%
48	Dransfield Jewelers 1%	1%
48	Windy City Diamonds 1%	1%
48	John Thomas Jewelers 1%	1%
48	Grown Gem 1%	1%
48	The Diamond Guys 1%	1%
48	Barnes Jewelers 1%	1%
48	Pandora 1%	1%
48	Prestige Diamonds 1%	1%
48	Mark Diamond's Jewelers 1%	1%
48	Emily Warden Designs 1%	1%
48	D&R House of Diamonds 1%	1%
48	Deep Diamonds 1%	1%
48	Ethan Lord Jewelers 1%	1%
48	Frank Darling 1%	1%
48	Leela Diamonds 1%	1%
48	Anthony Joseph Jewelers 1%	1%
48	Eternal Jewelry 1%	1%
48	Jewelry Unlimited 1%	1%
48	Juvetti 1%	1%
48	Deep Diam 1%	1%
48	Luneria 1%	1%
48	Diamond Soirée 1%	1%
48	Franzetti Jewelers 1%	1%
48	Gallo Jewelry 1%	1%
48	DiamondBook.com 1%	1%
48	Emma Fine Jewelry 1%	1%
48	House of Diamonds 1%	1%
48	Hatch Brilliance 1%	1%
48	Waterfall Jewelers 1%	1%
48	Burland Jewelry Center 1%	1%
48	Luvansh 1%	1%
48	Sky Diamonds 1%	1%
48	Diamond Monster 1%	1%
48	Kimai 1%	1%
48	Diamonds by Monet 1%	1%
48	Westlake Goldsmiths 1%	1%
48	Precision Lab 1%	1%
48	Carreras Jewelers 1%	1%
48	Diamonds Direct 1%	1%
48	Didiamant 1%	1%
48	Aurélinne 1%	1%
48	Bella Cosa Jewelers 1%	1%
48	Dream.Jewelry 1%	1%
48	Carat Saver 1%	1%
48	TOVAA 1%	1%
48	Costco 1%	1%
48	Classic Creations In Diamonds & Gold 1%	1%
48	Skydell Design 1%	1%
48	San Jose Jewelers 1%	1%
48	Morgan Taylor Jewelers 1%	1%

Who leads each AI engine

ChatGPT SearchChatGPT Search: =1Brilliant Earth Blue Nile
Google AI ModeGoogle AI Mode: =1Brilliant Earth Ritani

Mentioned in on each engineChatGPT SearchGoogle AI Mode

Widest split: Ritani, 26% on ChatGPT Search and 71% on Google AI Mode.

Mentioned in on each AI engine, by brand
Brand	ChatGPT Search	Google AI Mode
Brilliant Earth	69%	80%
Blue Nile	58%	62%
Clean Origin	54%	54%
Ritani	26%	71%
Gemological Institute of America	46%	34%
James Allen	46%	32%
Rare Carat	12%	54%
International Gemological Institute	35%	38%
VRAI	29%	40%
Shane Co.	Outside ChatGPT Search's top 25	52%

Questions and answers

Where can I buy lab grown diamonds?
Where can I buy lab diamonds?
I am preparing to buy a diamond. Who offers lab-grown diamonds with GIA certification?

Sources AI cites100

59% of citations point at the ranked brands’ own sites. reddit.com, forbes.com, caratyes.com are the most-cited sites outside the ranked brands’ own domains.

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