Cushion|Natural|GIA

1.54ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 6512596055

Certificate GIA 6512596055

Diamond specifications and retailer prices

From $2,862 SGD
$2,239 USD
As of October 31, 2026
Save $2,737 SGD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,600 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.54ct natural cushion diamond

This 1.54ct 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 6512596055. Listed at 14 retailers as of October 29, 2026, with prices from $2,862 to $5,600, a $2,737 spread on the same certified stone. MOH London lists it at $5,600. 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

1.54
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.68°
OriginNatural
Grading LabGIA
CertificateGIA 6512596055
Dimensions7.57 × 6.25 × 4.22 mm
L/W Ratio1.21
Top View
7.57 mm6.25 mm1.54 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512596055
Side View
Table 62.0%Crown 35.68°Girdle: Very ThickPavilionCulet: NoneDepth 67.6%

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: Oct 31
Current: $5,600 SGD|Low: $2,678 SGD|High: $6,330 SGD|Avg: $3,577 SGD|-11.5%
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 4$2,862 SGD
Retailer 11$2,871 SGD
Retailer 12$2,933 SGD
Retailer 2$3,059 SGD
Retailer 13$3,158 SGD
Retailer 14$3,179 SGD
Retailer 10$3,358 SGD
Retailer 7$3,397 SGD
Retailer 8$3,445 SGD
Retailer 3$3,452 SGD
Retailer 9$3,871 SGD
Retailer 6$4,202 SGD
Retailer 5$4,353 SGD
MOH London$5,600 SGD

28 data points across 14 retailers

14 retailers$2,862 SGD to $5,600 SGD

A
Cheapest Retailer
-
$2,862 SGD
$2,239 USD
A
Retailer 2
-
$2,871 SGD
$2,246 USD
View
A
Retailer 3
-
$2,933 SGD
$2,294 USD
View
Final sale: no returns
A
Retailer 4
-
$3,059 SGD
£1,884 GBP
View
A
Retailer 5
-
$3,158 SGD
$2,470 USD
View
A
Retailer 6
-
$3,179 SGD
$2,487 USD
View
A
Retailer 7
-
$3,358 SGD
$2,627 USD
View
A
Retailer 8
-
$3,397 SGD
£2,092 GBP
View
A
Retailer 9
-
$3,445 SGD
$2,695 USD
View
A
Retailer 10
-
$3,452 SGD
$2,700 USD
View
A
Retailer 11
-
$3,871 SGD
ZAR 48,918 ZAR
View
Retailer 12
-
$4,202 SGD
A$5,057 AUD
View
Price last confirmed 25 days ago
Retailer 13
-
$4,859 SGD
$3,801 USD
View
Price last confirmed 66 days ago
Most Expensive
B+
MOH London
9DFD4E605 · Oct 29
$5,600 SGD
£3,449 GBP
View
13 more retailers have this diamond
Prices start from $2,862 SGDSave up to $2,737 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
1.54ct Cushion
$2,862 SGD