Round diamond — IGI certificate 729591128

A 1.58 carat round lab-grown diamond, E 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 Round lab-grown diamond, certificate IGI 729591128

Stone specifications

ShapeRound
Carat1.58
ColorE
ClarityVS1
CutVery Good
TypeLab-grown
CertificateIGI 729591128

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
With Clarity$1,082$685LowestFair Price
+2% vs median $/ct for identical specs · 18 stones

Same specs at other retailers

A different stone with identical specs — Round, E color, VS1 clarity, carat within 0.10 — is listed at MiaDonna for $950, which is $132 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 308 round lab-grown diamonds; their median price is $673 per carat. This stone's lowest tracked price works out to $685 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.