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Marquise|Lab Grown|IGI

1.03ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG851651283

Certificate IGI LG851651283

Diamond specifications and retailer prices

From $469 NZD
As of November 6, 2026
Save $137 NZD (23%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $606 NZD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG851651283 or 851651283. Listed at 2 retailers as of November 6, 2026, with prices from $469 to $606, a $137 spread on the same certified stone. Yorxs lists it at $606. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG851651283
Dimensions11.77 × 5.03 × 2.89 mm
L/W Ratio2.34
Top View
11.77 mm5.03 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851651283
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCuletDepth 57.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $469 NZD|Low: $469 NZD|High: $606 NZD|Avg: $538 NZD
Retailer 1
Yorxs
November 6, 2026
Retailer 1$469 NZD
Yorxs$606 NZD

1 data point across 2 retailers

2 retailers$469 NZD to $606 NZD

B+
Cheapest Retailer
-
$469 NZD
Most Expensive
B+
Yorxs
624008290 · Nov 6
$606 NZD
€320 EUR
View
1 more retailer has this diamond
Prices start from $469 NZDSave up to $137 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.03ct Marquise
$469 NZD