1.55 ct Round Lab-grown diamond (D / VS1) — IGI certificate LG846642957

A 1.55 carat round lab-grown diamond, D color, VS1 clarity, Ideal cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

1.55 ct Round lab-grown diamond, certificate IGI LG846642957

Stone specifications

ShapeRound
Carat1.55
ColorD
ClarityVS1
CutIdeal
TypeLab-grown
CertificateIGI LG846642957

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
MiaDonna$1,205$777LowestOverpriced
+16% vs median $/ct for identical specs · 29 stones

Same specs at other retailers

A different stone with identical specs — Round, D color, VS1 clarity, carat within 0.10 — is listed at With Clarity for $810, which is $395 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 2429 round lab-grown diamonds; their median price is $556 per carat. This stone's lowest tracked price works out to $777 per carat. This page is one of 7606 certificate pages Facet Wire maintains — one for every tracked certificate.

Price tracked by Facet Wire — updated daily. First tracked 2026-10-26. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.