Cushion|Natural|GIA

1.30ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1558530406

Certificate GIA 1558530406

Diamond specifications and retailer prices

From $1,626 USD
HK$12,700 HKD
As of October 31, 2026
Save $2,181 USD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,806 USD 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 $1,626 to $3,806, a $2,181 spread on the same certified stone. MOH London lists it at $3,806. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,806 USD|Low: $1,613 USD|High: $3,853 USD|Avg: $2,306 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$1,626 USD
Retailer 2$1,711 USD
Retailer 7$1,988 USD
Retailer 8$1,994 USD
Retailer 6$2,161 USD
Retailer 10$2,270 USD
Retailer 9$2,300 USD
Retailer 5$2,371 USD
Retailer 4$2,699 USD
MOH London$3,806 USD

37 data points across 10 retailers

12 retailers$1,626 USD to $3,806 USD

A
Cheapest Retailer
-
$1,626 USD
HK$12,700 HKD
A
Retailer 2
-
$1,711 USD
₹162,989 INR
View
A
Retailer 3
-
$1,988 USD
SGD 2,686 SGD
View
A
Retailer 4
-
$1,994 USD
View
Final sale: no returns
A
Retailer 5
-
$2,036 USD
View
A
Retailer 6
-
$2,161 USD
View
A
Retailer 7
-
$2,270 USD
View
A
Retailer 8
-
$2,300 USD
View
A
Retailer 9
-
$2,371 USD
£1,867 GBP
View
B+
Retailer 10
-
$2,430 USD
A$3,738 AUD
View
B+
Retailer 11
-
$2,699 USD
€2,570 EUR
View
Most Expensive
B
MOH London
EC01730CC · Oct 29
$3,806 USD
£2,997 GBP
View
11 more retailers have this diamond
Prices start from $1,626 USDSave up to $2,181 USD

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
$1,626 USD