1.03 ct Marquise Lab-grown diamond (D / VVS1) — IGI certificate 851690655

A 1.03 carat marquise lab-grown diamond, D color, VVS1 clarity, Very-Good cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

1.03 ct Marquise lab-grown diamond, certificate IGI 851690655

Stone specifications

ShapeMarquise
Carat1.03
ColorD
ClarityVVS1
CutVery-Good
TypeLab-grown
CertificateIGI 851690655

Where this stone is listed Cert matched

This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $401 at Ritani — $73 less than the highest tracked listing of this same stone.

RetailerPrice$/ctvs lowestDeal check
Ritani$401$389LowestHot Deal
-18% vs median $/ct for identical specs · 2318 stones
Adiamor$474$460+$73Fair Price
-3% vs median $/ct for identical specs · 2318 stones

Same specs at other retailers

Stones with identical specs — Marquise, D color, VVS1 clarity, carat within 0.10 — are tracked at other retailers (cheapest of them: Adiamor at $423), and none is currently cheaper than this certificate's lowest tracked price of $401. 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 $389 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 2026-10-31. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.