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Cushion|Natural|GIA

1.51ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 2566219710

Certificate GIA 2566219710

Diamond specifications and retailer prices

From $2,373 SGD
HK$14,500 HKD
As of November 1, 2026
Save $3,271 SGD (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,644 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566219710. Listed at 6 retailers as of November 1, 2026, with prices from $2,373 to $5,644, a $3,271 spread on the same certified stone. MOH London lists it at $5,644. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566219710
Dimensions6.59 × 6.53 × 4.34 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.59 mm6.53 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566219710
Side View
Table 64.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 66.5%

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: $5,644 SGD|Low: $2,373 SGD|High: $6,080 SGD|Avg: $3,667 SGD|-7.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4$2,373 SGD
Retailer 5$2,806 SGD
Retailer 3$3,099 SGD
Retailer 6$3,371 SGD
Retailer 7$4,185 SGD
Retailer 2$4,515 SGD
MOH London$5,644 SGD

17 data points across 7 retailers

6 retailers$2,373 SGD to $5,644 SGD

A
Cheapest Retailer
-
$2,373 SGD
HK$14,500 HKD
A
Retailer 2
-
$2,806 SGD
$2,195 USD
View
A
Retailer 3
-
$3,099 SGD
£1,909 GBP
View
A
Retailer 4
-
$3,371 SGD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$4,515 SGD
$3,532 USD
View
Most Expensive
B+
MOH London
4E81B08B7 · Nov 1
$5,644 SGD
£3,476 GBP
View
5 more retailers have this diamond
Prices start from $2,373 SGDSave up to $3,271 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
$2,373 SGD