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Cushion|Natural|GIA

1.00ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 2235587545

Certificate GIA 2235587545

Diamond specifications and retailer prices

From $1,406 AUD
As of November 5, 2026
Save $1,496 AUD (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,902 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-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 2235587545. Listed at 8 retailers as of November 4, 2026, with prices from $1,406 to $2,902, a $1,496 spread on the same certified stone. MOH London lists it at $2,902. 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

1.00
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2235587545
Dimensions5.70 × 5.45 × 3.57 mm
L/W Ratio1.05
Top View
5.70 mm5.45 mm1.00 ctJ / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2235587545
Side View
Table 68.0%CrownGirdle: STK-VTKPavilionCulet: Very SmallDepth 65.6%

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 5
Current: $2,902 AUD|Low: $1,406 AUD|High: $2,941 AUD|Avg: $1,877 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$1,406 AUD
Retailer 5$1,438 AUD
Retailer 7$1,626 AUD
Retailer 6$1,672 AUD
Retailer 4$1,789 AUD
Retailer 9$1,790 AUD
Retailer 3$1,805 AUD
Retailer 11$1,863 AUD
Retailer 8$1,886 AUD
Retailer 2$2,211 AUD
MOH London$2,902 AUD

34 data points across 11 retailers

8 retailers$1,406 AUD to $2,902 AUD

A
Cheapest Retailer
-
$1,406 AUD
Retailer 2
-
$1,438 AUD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$1,626 AUD
View
A
Retailer 4
-
$1,672 AUD
View
B+
Retailer 5
-
$1,789 AUD
View
B+
Retailer 6
-
$1,790 AUD
View
B+
Retailer 7
-
$2,211 AUD
View
Most Expensive
B
MOH London
EB0C4D729 · Nov 4
$2,902 AUD
£1,570 GBP
View
7 more retailers have this diamond
Prices start from $1,406 AUDSave up to $1,496 AUD

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
1.00ct Cushion
$1,406 AUD