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Cushion|Natural|GIA

1.30ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1558530406

Certificate GIA 1558530406

Diamond specifications and retailer prices

From $2,078 SGD
HK$12,700 HKD
As of November 1, 2026
Save $2,788 SGD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,866 SGD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558530406. Listed at 12 retailers as of October 29, 2026, with prices from $2,078 to $4,866, a $2,788 spread on the same certified stone. MOH London lists it at $4,866. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558530406
Dimensions7.49 × 5.58 × 3.76 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle
Top View
7.49 mm5.58 mm1.30 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558530406
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.4%

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: Nov 1
Current: $4,866 SGD|Low: $2,062 SGD|High: $4,926 SGD|Avg: $2,950 SGD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$2,078 SGD
Retailer 2$2,187 SGD
Retailer 7$2,541 SGD
Retailer 8$2,549 SGD
Retailer 6$2,763 SGD
Retailer 10$2,902 SGD
Retailer 9$2,940 SGD
Retailer 3$3,032 SGD
Retailer 5$3,450 SGD
MOH London$4,866 SGD

37 data points across 10 retailers

12 retailers$2,078 SGD to $4,866 SGD

A
Cheapest Retailer
-
$2,078 SGD
HK$12,700 HKD
A
Retailer 2
-
$2,187 SGD
₹162,954 INR
View
A
Retailer 3
-
$2,541 SGD
View
A
Retailer 4
-
$2,549 SGD
$1,994 USD
View
Final sale: no returns
A
Retailer 5
-
$2,603 SGD
$2,036 USD
View
A
Retailer 6
-
$2,763 SGD
$2,161 USD
View
A
Retailer 7
-
$2,902 SGD
$2,270 USD
View
A
Retailer 8
-
$2,940 SGD
$2,300 USD
View
A
Retailer 9
-
$3,032 SGD
£1,867 GBP
View
B+
Retailer 10
-
$3,106 SGD
A$3,738 AUD
View
B+
Retailer 11
-
$3,450 SGD
€2,570 EUR
View
Most Expensive
B
MOH London
EC01730CC · Oct 29
$4,866 SGD
£2,997 GBP
View
11 more retailers have this diamond
Prices start from $2,078 SGDSave up to $2,788 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
$2,078 SGD