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Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6461477871

Certificate GIA 6461477871

Diamond specifications and retailer prices

From $1,640 SGD
As of November 4, 2026
Save $1,885 SGD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,525 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 6461477871. Listed at 13 retailers as of November 2, 2026, with prices from $1,640 to $3,525, a $1,885 spread on the same certified stone. MOH London lists it at $3,525. 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
Crown angle41.64°
Pavilion angle36.88°
OriginNatural
Grading LabGIA
CertificateGIA 6461477871
Dimensions5.92 × 5.91 × 4.13 mm
L/W Ratio1.00
Top View
5.92 mm5.91 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6461477871
Side View
Table 61.0%Crown 41.64°Girdle: STK-VTKPavilion 36.88°Culet: NoneDepth 69.9%

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 4
Current: $3,525 SGD|Low: $1,620 SGD|High: $3,690 SGD|Avg: $2,308 SGD|-3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6$1,640 SGD
Retailer 11$1,713 SGD
Retailer 3$1,729 SGD
Retailer 12$1,862 SGD
Retailer 2$1,952 SGD
Retailer 4$2,172 SGD
Retailer 10$2,209 SGD
Retailer 8$2,345 SGD
Retailer 9$2,345 SGD
Retailer 7$2,422 SGD
Retailer 5$2,786 SGD
MOH London$3,525 SGD

36 data points across 12 retailers

13 retailers$1,640 SGD to $3,525 SGD

A
Cheapest Retailer
-
$1,640 SGD
A
Retailer 2
-
$1,713 SGD
View
A
Retailer 3
-
$1,729 SGD
View
Final sale: no returns
A
Retailer 4
-
$1,862 SGD
View
A
Retailer 5
-
$1,895 SGD
View
A
Retailer 6
-
$1,952 SGD
View
B+
Retailer 7
-
$2,172 SGD
View
B+
Retailer 8
-
$2,209 SGD
View
B+
Retailer 9
-
$2,345 SGD
View
B+
Retailer 10
-
$2,345 SGD
View
B+
Retailer 11
-
$2,422 SGD
View
B+
Retailer 12
-
$2,786 SGD
View
Most Expensive
B
MOH London
AB9BCD335 · Nov 2
$3,525 SGD
£2,166 GBP
View
12 more retailers have this diamond
Prices start from $1,640 SGDSave up to $1,885 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
$1,640 SGD