Oval diamond — IGI certificate 776678691

A 1.51 carat oval lab-grown diamond, D color, VS1 clarity, Excellent cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

1.51 ct Oval lab-grown diamond, certificate IGI 776678691

Stone specifications

ShapeOval
Carat1.51
ColorD
ClarityVS1
CutExcellent
TypeLab-grown
CertificateIGI 776678691

Where this stone is listed Cert matched

This exact certificate currently appears in 4 listings at With Clarity. Lowest: $892.

RetailerPrice$/ctvs lowestDeal check
With Clarity$892$591LowestFair Price
+4% vs median $/ct for identical specs · 14 stones
With Clarity$892$591LowestFair Price
+4% vs median $/ct for identical specs · 14 stones
With Clarity$892$591LowestFair Price
+4% vs median $/ct for identical specs · 14 stones
With Clarity$892$591LowestFair Price
+4% vs median $/ct for identical specs · 14 stones

Same specs at other retailers

A different stone with identical specs — Oval, D color, VS1 clarity, carat within 0.10 — is listed at Ritani for $401, which is $491 less than this certificate's lowest tracked price. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.

Facet Wire tracks 193 oval lab-grown diamonds; their median price is $717 per carat. This stone's lowest tracked price works out to $591 per carat. This page is one of 1389 certificate pages Facet Wire maintains — one for every tracked certificate.

Price tracked by Facet Wire — updated daily. First tracked 2026-10-17. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.