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Cushion|Lab Grown|IGI

1.03ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG837656490

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG837656490

Diamond specifications and retailer prices

From $274 SGD
$214 USD
As of November 1, 2026
Save $1,144 SGD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,417 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG837656490 or 837656490. Listed at 7 retailers as of November 1, 2026, with prices from $274 to $1,417, a $1,144 spread on the same certified stone. MOH London lists it at $1,417. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837656490
Dimensions7.33 × 5.27 × 3.29 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.33 mm5.27 mm1.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837656490
Side View
Table 54.0%Crown 39.4°Girdle: MED-STKPavilion 37.3°Culet: LargeDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,417 SGD|Low: $274 SGD|High: $1,435 SGD|Avg: $675 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$274 SGD
Retailer 3$303 SGD
Retailer 6$400 SGD
Retailer 4$409 SGD
Retailer 2$552 SGD
Retailer 7$1,044 SGD
MOH London$1,417 SGD

34 data points across 7 retailers

7 retailers$274 SGD to $1,417 SGD

A
Cheapest Retailer
-
$274 SGD
$214 USD
Final sale: no returns
Retailer 2
-
$303 SGD
$237 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$400 SGD
$313 USD
View
A
Retailer 4
-
$409 SGD
$320 USD
View
B+
Retailer 5
-
$552 SGD
£340 GBP
View
B
Retailer 6
-
$1,044 SGD
$816 USD
View
Most Expensive
B
MOH London
LG837656490 · Nov 1
$1,417 SGD
£873 GBP
View
6 more retailers have this diamond
Prices start from $274 SGDSave up to $1,144 SGD

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.

A
1.03ct Cushion
$274 SGD