1.23 ct Round Lab-grown diamond (D / VS2) — IGI certificate 759507278

A 1.23 carat round lab-grown diamond, D color, VS2 clarity, Excellent cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

1.23 ct Round lab-grown diamond, certificate IGI 759507278

Stone specifications

ShapeRound
Carat1.23
ColorD
ClarityVS2
CutExcellent
TypeLab-grown
CertificateIGI 759507278

Where this stone is listed Cert matched

This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $432 at Adiamor — $504 less than the highest tracked listing of this same stone.

RetailerPrice$/ctvs lowestDeal check
Adiamor$432$351LowestFair Price
+8% vs median $/ct for identical specs · 2999 stones
MiaDonna$936$761+$504Overpriced
+134% vs median $/ct for identical specs · 2999 stones

Same specs at other retailers

Stones with identical specs — Round, D color, VS2 clarity, carat within 0.10 — are tracked at other retailers (cheapest of them: MiaDonna at $895), and none is currently cheaper than this certificate's lowest tracked price of $432. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.

Facet Wire tracks 217613 round lab-grown diamonds; their median price is $409 per carat. This stone's lowest tracked price works out to $351 per carat. This page is one of 880275 certificate pages Facet Wire maintains — one for every tracked certificate.

Price tracked by Facet Wire — updated daily. First tracked 2026-10-27. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.