0.87 ct Round Lab-grown diamond (E / SI1) — IGI certificate 660448979

A 0.87 carat round lab-grown diamond, E color, SI1 clarity, Ideal cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

0.87 ct Round lab-grown diamond, certificate IGI 660448979

Stone specifications

ShapeRound
Carat0.87
ColorE
ClaritySI1
CutIdeal
TypeLab-grown
CertificateIGI 660448979

Where this stone is listed Cert matched

This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $285 at Adiamor — $173 less than the highest tracked listing of this same stone.

RetailerPrice$/ctvs lowestDeal check
Adiamor$285$328LowestFair Price
+11% vs median $/ct for identical specs · 388 stones
MiaDonna$458$526+$173Overpriced
+78% vs median $/ct for identical specs · 388 stones

Facet Wire tracks 246013 round lab-grown diamonds; their median price is $405 per carat. This stone's lowest tracked price works out to $328 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 2026-10-28. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.