1.58 ct Cushion Lab-grown diamond (G / VS1) — IGI certificate 549278815

A 1.58 carat cushion lab-grown diamond, G color, VS1 clarity, Very Good cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

1.58 ct Cushion lab-grown diamond, certificate IGI 549278815

Stone specifications

ShapeCushion
Carat1.58
ColorG
ClarityVS1
CutVery Good
TypeLab-grown
CertificateIGI 549278815

Where this stone is listed Cert matched

This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $552 at Adiamor — $174 less than the highest tracked listing of this same stone.

RetailerPrice$/ctvs lowestDeal check
Adiamor$552$349LowestFair Price
-1% vs median $/ct for identical specs · 291 stones
MiaDonna$726$459+$174Overpriced
+30% vs median $/ct for identical specs · 291 stones

Facet Wire tracks 81438 cushion lab-grown diamonds; their median price is $467 per carat. This stone's lowest tracked price works out to $349 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 2026-10-27. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.