1.53 ct Round Lab-grown diamond (E / SI1) — IGI certificate 706559547
A 1.53 carat round lab-grown diamond, E color, SI1 clarity, Ideal cut. Facet Wire tracks this exact certificate so its price can be checked against the live market before you buy.

Stone specifications
| Shape | Round |
|---|---|
| Carat | 1.53 |
| Color | E |
| Clarity | SI1 |
| Cut | Ideal |
| Type | Lab-grown |
| Certificate | IGI 706559547 |
Where this stone is listed Cert matched
This exact certificate is currently listed by 2 retailers in 2 listings. Lowest: $452 at Adiamor — $465 less than the highest tracked listing of this same stone.
| Retailer | Price | $/ct | vs lowest | Deal check |
|---|---|---|---|---|
| Adiamor | $452 | $295 | Lowest | Fair Price -7% vs median $/ct for identical specs · 203 stones |
| MiaDonna | $917 | $599 | +$465 | Overpriced +88% vs median $/ct for identical specs · 203 stones |
Same specs at other retailers
Stones with identical specs — Round, E color, SI1 clarity, carat within 0.10 — are tracked at other retailers (cheapest of them: MiaDonna at $843), and none is currently cheaper than this certificate's lowest tracked price of $452. Spec-matched stones are not the same physical diamond; only a matching certificate number proves that. How we match.
Facet Wire tracks 246013 round lab-grown diamonds; their median price is $405 per carat. This stone's lowest tracked price works out to $295 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 2026-10-28. Listings can sell or change price at any time; the retailer's own page is the final word at checkout.