Condition-adjusted clearing prices for wholesale polished diamonds. Independent of the price list the trade quotes from.
A single weekly opinion list, published since 1978 by a private committee, prices almost every wholesale transaction. In 2024 it sat ten points above where stones actually cleared.
She walks in with her grandmother's ring. You check the benchmark, call a contact, guess, then make an offer. She takes it down the road, where someone who knew the real clearing price offered her more. You never find out if you were too low or they were wrong.
He needs cash today. Thirty seconds and a loupe. You check the benchmark, apply a discount from memory, make an offer. Three weeks later a trade buyer tells you what it was actually worth. You lost margin on a decision you could not price properly.
Forty-five minutes. Twenty-three pieces. Eleven diamonds. You apply benchmark percentages from memory, adjust for condition, submit a number. Months later two stones turn out to be worth three times what you paid. Roughly right is not a business model.
We draw from live wholesale trades, not the weekly opinion list. So your quote reflects what stones actually clear for, not what a committee says they should be worth.
Carat, Cut, Colour, Clarity, plus Certifying Lab, Fluorescence and BGM. The three the benchmark ignores account for most unexplained price variance.
No auction house affiliation. No commercial interest in the transaction outcome. A clearing price you can defend at the counter or the buying table.
The live index of what one-carat stones actually traded at on the world's largest B2B inventory fell 23% in 2024. The weekly opinion benchmark fell 13%. Every wholesale transaction priced against that benchmark in 2024 sat on the wrong side of the gap.
Practitioner research on polished diamond pricing, lab variance and the live-versus-list spread.
A clearing price you can defend at the counter, the bench, or the buying table.