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Latest from the blog
Discount to Rap: how to price a diamond against Rapaport in 2026
What discount to Rap means, how to calculate it, and why one flat back misprices GIA, IGI, carat, and lab-grown stones on the same book.
GIA certificate pricing: how much does the report change the quote?
The same stone quotes differently on GIA versus IGI paper. Here is how much the certificate moves a diamond's price, and how to read it before you quote.
Lab-grown diamond prices in June 2026: the segments still falling
Lab-grown diamond prices keep sliding into June 2026, but not evenly. Here is the segment-by-segment read on what is still falling and what to price against.