1.01 ct Marquise Lab-grown diamond (D / VS1) — IGI certificate 852639384

A 1.01 carat marquise lab-grown diamond, D color, VS1 clarity, Excellent cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

1.01 ct Marquise lab-grown diamond, certificate IGI 852639384

Stone specifications

ShapeMarquise
Carat1.01
ColorD
ClarityVS1
CutExcellent
TypeLab-grown
CertificateIGI 852639384

Where this stone is listed Cert matched

This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $378 at Adiamor — $392 less than the highest tracked listing of this same stone.

RetailerPrice$/ctvs lowestDeal check
Adiamor$378$374LowestFair Price
-1% vs median $/ct for identical specs · 1440 stones
MiaDonna$770$762+$392Overpriced
+101% vs median $/ct for identical specs · 1440 stones

Same specs at other retailers

Stones with identical specs — Marquise, D color, VS1 clarity, carat within 0.10 — are tracked at other retailers (cheapest of them: Ritani at $402), and none is currently cheaper than this certificate's lowest tracked price of $378. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.

Facet Wire tracks 71830 marquise lab-grown diamonds; their median price is $485 per carat. This stone's lowest tracked price works out to $374 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 2026-10-30. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.