1.58 ct Radiant Lab-grown diamond (E / VS1) — IGI certificate 849645436

A 1.58 carat radiant 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 Radiant lab-grown diamond, certificate IGI 849645436

Stone specifications

ShapeRadiant
Carat1.58
ColorE
ClarityVS1
CutVery Good
TypeLab-grown
CertificateIGI 849645436

Where this stone is listed Cert matched

This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $584 at Adiamor — $358 less than the highest tracked listing of this same stone.

RetailerPrice$/ctvs lowestDeal check
Adiamor$584$370LowestFair Price
-6% vs median $/ct for identical specs · 1138 stones
MiaDonna$942$596+$358Overpriced
+52% vs median $/ct for identical specs · 1138 stones

Same specs at other retailers

Stones with identical specs — Radiant, E color, VS1 clarity, carat within 0.10 — are tracked at other retailers (cheapest of them: MiaDonna at $901), and none is currently cheaper than this certificate's lowest tracked price of $584. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.

Facet Wire tracks 57922 radiant lab-grown diamonds; their median price is $481 per carat. This stone's lowest tracked price works out to $370 per carat. This page is one of 880222 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.