Round diamond — IGI certificate 770639530

A 1.55 carat round lab-grown diamond, D color, VVS2 clarity, IDEAL cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

1.55 ct Round lab-grown diamond, certificate IGI 770639530

Stone specifications

ShapeRound
Carat1.55
ColorD
ClarityVVS2
CutIDEAL
TypeLab-grown
CertificateIGI 770639530

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$735$474LowestFair Price
+0% vs median $/ct for identical specs · 136 stones

Same specs at other retailers

Stones with identical specs — Round, D color, VVS2 clarity, carat within 0.10 — are tracked at other retailers (cheapest of them: MiaDonna at $1,207), and none is currently cheaper than this certificate's lowest tracked price of $735. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.

Facet Wire tracks 2215 round lab-grown diamonds; their median price is $541 per carat. This stone's lowest tracked price works out to $474 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.