2.50 ct Round Natural diamond (I / SI1) — GIA certificate 5556814845

A 2.50 carat round natural diamond, I color, SI1 clarity, Affinity cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

2.50 ct Round natural diamond, certificate GIA 5556814845

Stone specifications

ShapeRound
Carat2.50
ColorI
ClaritySI1
CutAffinity
TypeNatural
CertificateGIA 5556814845

Where this stone is listed Cert matched

This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $19,052 at Adiamor — $2,866 less than the highest tracked listing of this same stone.

RetailerPrice$/ctvs lowestDeal check
Adiamor$19,052$7,621LowestFair Price
+5% vs median $/ct for identical specs · 39 stones
Frank Darling$21,918$8,767+$2,866Overpriced
+20% vs median $/ct for identical specs · 39 stones

Facet Wire tracks 91061 round natural diamonds; their median price is $1,998 per carat. This stone's lowest tracked price works out to $7,621 per carat. This page is one of 981579 certificate pages Facet Wire maintains — one for every tracked certificate.

Price tracked by Facet Wire — updated daily. First tracked 2026-10-28. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.