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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2231947275

Certificate GIA 2231947275

Diamond specifications and retailer prices

From $2,433 SGD
$1,903 USD
As of November 1, 2026
Save $2,782 SGD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,215 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231947275. Listed at 15 retailers as of November 1, 2026, with prices from $2,433 to $5,215, a $2,782 spread on the same certified stone. MOH London lists it at $5,215. 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

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle36.21°
OriginNatural
Grading LabGIA
CertificateGIA 2231947275
Dimensions6.71 × 6.24 × 4.27 mm
L/W Ratio1.08
Key to symbols
Crystal, Feather, Needle
Top View
6.71 mm6.24 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231947275
Side View
Table 59.0%CrownGirdle: STK-VTKPavilion 36.21°Culet: NoneDepth 68.5%

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: $5,215 SGD|Low: $1,636 SGD|High: $5,243 SGD|Avg: $2,782 SGD|+31.3%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 7$1,636 SGD
Retailer 8$2,288 SGD
Retailer 3$2,433 SGD
Retailer 18$2,437 SGD
Retailer 16$2,458 SGD
Retailer 14$2,486 SGD
Retailer 12$2,488 SGD
Retailer 5$2,516 SGD
Retailer 17$2,538 SGD
Retailer 13$2,602 SGD
Retailer 4$2,672 SGD
Retailer 15$2,696 SGD
Retailer 6$2,761 SGD
Retailer 11$3,119 SGD
Retailer 9$3,145 SGD
Retailer 2$3,267 SGD
Retailer 10$4,036 SGD
MOH London$5,215 SGD

19 data points across 18 retailers

15 retailers$2,433 SGD to $5,215 SGD

Retailer 1
-
$1,636 SGD
HK$10,000 HKD
Price last confirmed 34 days ago
A
Retailer 2
-
$2,433 SGD
$1,903 USD
View
B+
Retailer 3
-
$2,437 SGD
$1,906 USD
View
B+
Retailer 4
-
$2,458 SGD
$1,923 USD
View
B+
Retailer 5
-
$2,486 SGD
$1,945 USD
View
A
Retailer 6
-
$2,488 SGD
$1,946 USD
View
Final sale: no returns
Retailer 7
-
$2,516 SGD
$1,968 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$2,538 SGD
$1,986 USD
View
A
Retailer 9
-
$2,602 SGD
$2,035 USD
View
Retailer 10
-
$2,672 SGD
$2,090 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$2,696 SGD
$2,109 USD
View
Retailer 12
-
$2,761 SGD
$2,160 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$3,119 SGD
$2,440 USD
View
B+
Retailer 14
-
$3,267 SGD
£2,012 GBP
View
Most Expensive
B
MOH London
73C689494 · Nov 1
$5,215 SGD
£3,212 GBP
View
14 more retailers have this diamond
Prices start from $2,433 SGDSave up to $2,782 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
1.51ct Cushion
$2,433 SGD