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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 $2,866 NZD
As of November 2, 2026
Save $3,829 NZD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,695 NZD at MOH London · As of November 2, 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 November 2, 2026, with prices from $2,866 to $6,695, a $3,829 spread on the same certified stone. MOH London lists it at $6,695. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,695 NZD|Low: $2,866 NZD|High: $6,833 NZD|Avg: $4,162 NZD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 7$2,866 NZD
Retailer 4$3,023 NZD
Retailer 9$3,528 NZD
Retailer 5$3,547 NZD
Retailer 10$3,842 NZD
Retailer 6$4,001 NZD
Retailer 8$4,066 NZD
Retailer 2$4,150 NZD
Retailer 3$5,199 NZD
MOH London$6,695 NZD

35 data points across 10 retailers

12 retailers$2,866 NZD to $6,695 NZD

A
Cheapest Retailer
-
$2,866 NZD
A
Retailer 2
-
$3,023 NZD
View
A
Retailer 3
-
$3,528 NZD
View
Final sale: no returns
A
Retailer 4
-
$3,547 NZD
View
A
Retailer 5
-
$3,620 NZD
View
A
Retailer 6
-
$3,842 NZD
View
A
Retailer 7
-
$4,001 NZD
View
A
Retailer 8
-
$4,066 NZD
View
A
Retailer 9
-
$4,150 NZD
View
B+
Retailer 10
-
$4,319 NZD
View
B+
Retailer 11
-
$5,199 NZD
View
Most Expensive
B
MOH London
EC01730CC · Nov 2
$6,695 NZD
£2,965 GBP
View
11 more retailers have this diamond
Prices start from $2,866 NZDSave up to $3,829 NZD

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
$2,866 NZD