Round diamond — IGI certificate 310853309

A 0.51 carat round lab-grown diamond, K color, VVS2 clarity, Excellent cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

0.51 ct Round lab-grown diamond, certificate IGI 310853309

Stone specifications

ShapeRound
Carat0.51
ColorK
ClarityVVS2
CutExcellent
TypeLab-grown
CertificateIGI 310853309

Where this stone is listed

Facet Wire currently tracks this certificate at one retailer. If another store lists the same certificate, it will appear here automatically.

RetailerPrice$/ctvs lowestDeal check
New World Diamonds$155$304LowestFair Price
+0% vs median $/ct for identical specs · 15 stones

Facet Wire tracks 2215 round lab-grown diamonds; their median price is $541 per carat. This stone's lowest tracked price works out to $304 per carat. This page is one of 6939 certificate pages Facet Wire maintains — one for every tracked certificate.

Price tracked by Facet Wire — updated daily. First tracked 2026-10-21. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.