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Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 5231714298

Certificate GIA 5231714298

Diamond specifications and retailer prices

From $1,802 SGD
$1,409 USD
As of November 2, 2026
Save $1,765 SGD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,567 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-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 5231714298. Listed at 15 retailers as of November 2, 2026, with prices from $1,802 to $3,567, a $1,765 spread on the same certified stone. MOH London lists it at $3,567. 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

1.20
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.5°
OriginNatural
Grading LabGIA
CertificateGIA 5231714298
Dimensions6.00 × 5.86 × 4.01 mm
L/W Ratio1.02
Top View
6.00 mm5.86 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231714298
Side View
Table 63.0%CrownGirdle: THK-ETKPavilion 36.5°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 2
Current: $3,567 SGD|Low: $1,697 SGD|High: $4,317 SGD|Avg: $2,471 SGD|-17.3%
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
November 3, 2026
Retailer 14$1,802 SGD
Retailer 5$1,955 SGD
Retailer 4$2,003 SGD
Retailer 13$2,036 SGD
Retailer 3$2,074 SGD
Retailer 11$2,136 SGD
Retailer 9$2,212 SGD
Retailer 12$2,212 SGD
Retailer 10$2,276 SGD
Retailer 2$2,283 SGD
Retailer 8$2,355 SGD
Retailer 7$2,778 SGD
Retailer 6$2,937 SGD
MOH London$3,567 SGD

41 data points across 14 retailers

15 retailers$1,802 SGD to $3,567 SGD

A
Cheapest Retailer
-
$1,802 SGD
$1,409 USD
A
Retailer 2
-
$1,955 SGD
$1,528 USD
View
A
Retailer 3
-
$2,003 SGD
$1,566 USD
View
A
Retailer 4
-
$2,036 SGD
$1,592 USD
View
Final sale: no returns
A
Retailer 5
-
$2,074 SGD
$1,622 USD
View
B+
Retailer 6
-
$2,136 SGD
$1,670 USD
View
B+
Retailer 7
-
$2,212 SGD
$1,730 USD
View
B+
Retailer 8
-
$2,212 SGD
$1,730 USD
View
B+
Retailer 9
-
$2,276 SGD
$1,780 USD
View
B+
Retailer 10
-
$2,283 SGD
£1,406 GBP
View
B+
Retailer 11
-
$2,355 SGD
CA$2,558 CAD
View
B+
Retailer 12
-
$2,778 SGD
€2,069 EUR
View
Retailer 13
-
$2,937 SGD
$2,297 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
$3,341 SGD
CA$3,629 CAD
View
Most Expensive
B
MOH London
DD67D05AB · Nov 2
$3,567 SGD
£2,196 GBP
View
14 more retailers have this diamond
Prices start from $1,802 SGDSave up to $1,765 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
1.20ct Cushion
$1,802 SGD