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Cushion|Natural|GIA

1.30ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6562436255

Certificate GIA 6562436255

Diamond specifications and retailer prices

From $2,980 SGD
As of November 6, 2026
Save $3,555 SGD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,535 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half 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 6562436255. Listed at 17 retailers as of November 4, 2026, with prices from $2,980 to $6,535, a $3,555 spread on the same certified stone. MOH London lists it at $6,535. 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

1.30
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562436255
Dimensions7.16 × 5.50 × 3.85 mm
L/W Ratio1.30
Top View
7.16 mm5.50 mm1.30 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562436255
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: 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 6
Current: $6,535 SGD|Low: $2,953 SGD|High: $6,620 SGD|Avg: $4,162 SGD|-1.3%
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
Retailer 15
Retailer 16
November 7, 2026
Retailer 9$2,980 SGD
Retailer 14$2,985 SGD
Retailer 13$3,428 SGD
Retailer 4$3,509 SGD
Retailer 3$3,688 SGD
Retailer 11$3,797 SGD
Retailer 5$3,813 SGD
Retailer 16$3,918 SGD
Retailer 2$4,060 SGD
Retailer 15$4,101 SGD
Retailer 7$4,143 SGD
Retailer 6$4,249 SGD
Retailer 10$4,384 SGD
Retailer 12$4,782 SGD
Retailer 8$5,763 SGD
MOH London$6,535 SGD

23 data points across 16 retailers

17 retailers$2,980 SGD to $6,535 SGD

A
Cheapest Retailer
-
$2,980 SGD
A
Retailer 2
-
$2,985 SGD
View
B+
Retailer 3
-
$3,428 SGD
View
B+
Retailer 4
-
$3,509 SGD
View
B+
Retailer 5
-
$3,688 SGD
View
B+
Retailer 6
-
$3,797 SGD
View
B+
Retailer 7
-
$3,813 SGD
View
Retailer 8
-
$3,918 SGD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$4,060 SGD
View
B
Retailer 10
-
$4,101 SGD
View
Retailer 11
-
$4,143 SGD
View
Price last confirmed 11 days ago
Retailer 12
-
$4,243 SGD
View
Price last confirmed 31 days ago
B
Retailer 13
-
$4,249 SGD
View
B
Retailer 14
-
$4,384 SGD
View
B
Retailer 15
-
$4,782 SGD
View
B
Retailer 16
-
$5,763 SGD
View
Most Expensive
B
MOH London
5921481E8 · Nov 4
$6,535 SGD
£4,015 GBP
View
16 more retailers have this diamond
Prices start from $2,980 SGDSave up to $3,555 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
1.30ct Cushion
$2,980 SGD