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Cushion|Natural|GIA

1.02ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5231993457

Certificate GIA 5231993457

Diamond specifications and retailer prices

From $2,016 SGD
$1,577 USD
As of November 1, 2026
Save $2,793 SGD (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,809 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.02ct natural cushion diamond

This 1.02ct natural cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231993457. Listed at 14 retailers as of November 1, 2026, with prices from $2,016 to $4,809, a $2,793 spread on the same certified stone. MOH London lists it at $4,809. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.39°
OriginNatural
Grading LabGIA
CertificateGIA 5231993457
Dimensions5.90 × 5.87 × 3.94 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.90 mm5.87 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231993457
Side View
Table 61.0%Crown 33.7°Girdle: THK-ETKPavilion 40.39°Culet: NoneDepth 67.0%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $4,809 SGD|Low: $2,016 SGD|High: $5,739 SGD|Avg: $3,317 SGD|-16.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 2$2,016 SGD
Retailer 8$2,095 SGD
Retailer 11$2,251 SGD
Retailer 12$2,296 SGD
Retailer 3$2,385 SGD
Retailer 5$2,563 SGD
Retailer 4$2,710 SGD
Retailer 13$2,710 SGD
Retailer 14$2,800 SGD
Retailer 7$3,012 SGD
Retailer 10$3,351 SGD
Retailer 9$3,497 SGD
Retailer 6$3,598 SGD
MOH London$4,809 SGD

42 data points across 14 retailers

14 retailers$2,016 SGD to $4,809 SGD

A
Cheapest Retailer
-
$2,016 SGD
$1,577 USD
A
Retailer 2
-
$2,095 SGD
HK$12,800 HKD
View
A
Retailer 3
-
$2,251 SGD
$1,761 USD
View
A
Retailer 4
-
$2,296 SGD
$1,796 USD
View
Final sale: no returns
A
Retailer 5
-
$2,385 SGD
$1,866 USD
View
A
Retailer 6
-
$2,563 SGD
$2,005 USD
View
A
Retailer 7
-
$2,710 SGD
$2,120 USD
View
A
Retailer 8
-
$2,710 SGD
$2,120 USD
View
A
Retailer 9
-
$2,800 SGD
$2,190 USD
View
A
Retailer 10
-
$3,012 SGD
£1,855 GBP
View
B+
Retailer 11
-
$3,351 SGD
$2,621 USD
View
B+
Retailer 12
-
$3,497 SGD
€2,605 EUR
View
Retailer 13
-
$3,598 SGD
A$4,331 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
650C56878 · Nov 1
$4,809 SGD
£2,962 GBP
View
13 more retailers have this diamond
Prices start from $2,016 SGDSave up to $2,793 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
$2,016 SGD