Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2557303410

Certificate GIA 2557303410

Diamond specifications and retailer prices

From $2,667 SGD
HK$16,300 HKD
As of November 1, 2026
Save $3,418 SGD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,085 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 2557303410. Listed at 15 retailers as of November 1, 2026, with prices from $2,667 to $6,085, a $3,418 spread on the same certified stone. MOH London lists it at $6,085. 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
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557303410
Dimensions7.53 × 6.01 × 4.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
7.53 mm6.01 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557303410
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

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: $6,085 SGD|Low: $2,667 SGD|High: $6,403 SGD|Avg: $3,869 SGD|-4.2%
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 2, 2026
Retailer 14$2,667 SGD
Retailer 11$2,957 SGD
Retailer 9$2,958 SGD
Retailer 4$3,006 SGD
Retailer 13$3,133 SGD
Retailer 6$3,301 SGD
Retailer 12$3,337 SGD
Retailer 8$3,362 SGD
Retailer 2$3,497 SGD
Retailer 3$3,674 SGD
Retailer 10$3,782 SGD
Retailer 7$4,140 SGD
Retailer 5$5,839 SGD
MOH London$6,085 SGD

25 data points across 14 retailers

15 retailers$2,667 SGD to $6,085 SGD

A
Cheapest Retailer
-
$2,667 SGD
HK$16,300 HKD
A
Retailer 2
-
$2,957 SGD
$2,313 USD
View
A
Retailer 3
-
$2,958 SGD
$2,314 USD
View
Final sale: no returns
A
Retailer 4
-
$3,006 SGD
$2,351 USD
View
A
Retailer 5
-
$3,133 SGD
$2,451 USD
View
A
Retailer 6
-
$3,301 SGD
$2,582 USD
View
A
Retailer 7
-
$3,337 SGD
$2,610 USD
View
A
Retailer 8
-
$3,362 SGD
$2,630 USD
View
A
Retailer 9
-
$3,497 SGD
£2,154 GBP
View
A
Retailer 10
-
$3,674 SGD
$2,874 USD
View
A
Retailer 11
-
$3,782 SGD
£2,329 GBP
View
B+
Retailer 12
-
$4,103 SGD
A$4,938 AUD
View
B+
Retailer 13
-
$4,140 SGD
€3,084 EUR
View
Retailer 14
-
$5,839 SGD
$4,568 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
847DD2A5B · Nov 1
$6,085 SGD
£3,748 GBP
View
14 more retailers have this diamond
Prices start from $2,667 SGDSave up to $3,418 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
$2,667 SGD