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Cushion|Lab Grown|IGI

1.02ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG851654220

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG851654220

Diamond specifications and retailer prices

From $320 SGD
$250 USD
As of November 1, 2026
Save $778 SGD (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,098 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion 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 LG851654220 or 851654220. Listed at 8 retailers as of November 1, 2026, with prices from $320 to $1,098, a $778 spread on the same certified stone. MOH London lists it at $1,098. 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

1.02
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851654220
Dimensions7.14 × 4.97 × 3.31 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.14 mm4.97 mm1.02 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851654220
Side View
Table 62.0%Crown 38.3°Girdle: STK-VTKPavilion 35.8°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,098 SGD|Low: $320 SGD|High: $1,098 SGD|Avg: $555 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 7$320 SGD
Retailer 3$407 SGD
Retailer 2$407 SGD
Retailer 5$428 SGD
Retailer 4$446 SGD
Retailer 6$826 SGD
MOH London$1,098 SGD

3 data points across 7 retailers

8 retailers$320 SGD to $1,098 SGD

B+
Cheapest Retailer
-
$320 SGD
$250 USD
A
Retailer 2
-
$407 SGD
€303 EUR
View
A
Retailer 3
-
$407 SGD
£251 GBP
View
A
Retailer 4
-
$428 SGD
$335 USD
View
A
Retailer 5
-
$446 SGD
£275 GBP
View
B+
Retailer 6
-
$671 SGD
$525 USD
View
B
Retailer 7
-
$826 SGD
$646 USD
View
Most Expensive
B
MOH London
LG851654220 · Nov 2
$1,098 SGD
£676 GBP
View
7 more retailers have this diamond
Prices start from $320 SGDSave up to $778 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
1.02ct Cushion
$320 SGD