Research & intelligence
A curated primary-source reading desk. Reviewed 12 November 2026; this is a dated research snapshot, not a live market feed.
GIA Report Check lets users compare report information with GIA’s archived data. Check the service’s limitations and arrange physical verification when necessary.
Undated service page • Reviewed 12 November 2026
Source: GIA Report Check
On 29 May 2026, De Beers and GIA announced an agreement for GIA to acquire a 30% stake in Tracr. The announcement describes a move towards broader industry ownership, rather than proof of provenance for every diamond.
29 May 2026 • Reviewed 12 November 2026
Source: De Beers Group announcement
Rapaport’s rebrand places the former RapNet marketplace under Rapaport Trade, alongside its wider pricing, auctions, intelligence and news businesses. This is a company announcement, not independent evidence of market share.
Publication date not displayed • Reviewed 12 November 2026
Source: Rapaport — rebrand announcement
Sarine’s Diamond Journey describes records spanning rough-to-polished transformations and origin. Assess eligibility and data coverage for the specific stone; product descriptions are the provider’s own claims.
Undated product page • Reviewed 12 November 2026
Source: Sarine — Diamond Journey