Brian Gavin Review 2026
The other super-ideal cut specialist. Co-founder of Whiteflash. RARE and BLACK signature brands. 5th-generation diamond cutter.
Co-founder of Whiteflash. RARE and BLACK signature brands. 5th-generation diamond cutter. Our assessment: The other super-ideal cut specialist.
Strengths
Limitations
Who Should Use Brian Gavin
Brian Gavin offers one of the most distinctive affiliate arrangements in the diamond industry: a 7% commission (higher than most competitors) with an indefinite cookie duration — meaning there is no expiry on referral attribution. This makes it especially valuable for long-consideration purchase journeys, where a buyer might research for months before converting.
The split commission system (30% first touch / 70% last touch) rewards both early content discovery and final-decision content equally.
Co-founder of Whiteflash. RARE and BLACK signature brands. 5th-generation diamond cutter.
Visit Brian Gavin →Disclosure: some links on this page may earn Caratpillar a commission if you make a purchase. This does not affect our analysis or recommendations.
Frequently Asked Questions
Is Brian Gavin a legitimate retailer?+
Yes. Brian Gavin is an established online diamond retailer with co-founder of whiteflash. rare and black signature brands. 5th-generation diamond cutter..
What commission does Brian Gavin offer affiliates?+
Brian Gavin offers 7% commission (Capped at $525/order. Indefinite cookie.) through Post Affiliate Pro.
Who is Brian Gavin?+
Brian Gavin is a fifth-generation diamond cutter and co-founder of Whiteflash. He later founded his own diamond house, Brian Gavin Diamonds, specializing in the RARE and BLACK signature cut brands — diamonds cut to the most precise optical specifications available on the consumer market.
What is the difference between RARE and BLACK diamonds?+
RARE diamonds are Brian Gavin's super-ideal cut collection — round brilliants meeting stricter proportion criteria than standard GIA Excellent. BLACK diamonds are the highest tier: the top fraction of RARE stones, selected for perfect Hearts & Arrows optical symmetry. Both require ASET verification.
How does Brian Gavin compare to Whiteflash?+
Both are super-ideal cut specialists founded by related individuals (Gavin co-founded Whiteflash). Brian Gavin offers a higher affiliate commission (7% vs 5%) and an indefinite cookie duration, which is unique in the industry. Inventory is similarly small and curated. For buyers, the cut quality is comparable — both exceed the GIA Excellent average by a significant margin.
Does Brian Gavin have a return policy?+
Yes. Brian Gavin Diamonds offers a 30-day return policy with free insured shipping. Mounted rings must be in original condition.
Weekly Diamond Price Intelligence
Every Monday: price movements, best deals, market analysis. No spam. Unsubscribe anytime.