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Cushion|Natural|GIA

1.23ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 6365299976

Certificate GIA 6365299976

Diamond specifications and retailer prices

From $3,023 NZD
As of November 6, 2026
Save $4,118 NZD (58%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,141 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.23ct natural cushion diamond

This 1.23ct 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 6365299976. Listed at 13 retailers as of November 2, 2026, with prices from $3,023 to $7,141, a $4,118 spread on the same certified stone. MOH London lists it at $7,141. 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

1.23
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6365299976
Dimensions6.55 × 5.49 × 3.91 mm
L/W Ratio1.19
Top View
6.55 mm5.49 mm1.23 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6365299976
Side View
Table 60.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 71.2%

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: $7,141 NZD|Low: $3,002 NZD|High: $7,219 NZD|Avg: $4,340 NZD|-1.1%
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
November 7, 2026
Retailer 10$3,023 NZD
Retailer 13$3,684 NZD
Retailer 12$3,763 NZD
Retailer 14$3,873 NZD
Retailer 7$4,061 NZD
Retailer 11$4,077 NZD
Retailer 9$4,212 NZD
Retailer 4$4,245 NZD
Retailer 5$4,275 NZD
Retailer 3$4,326 NZD
Retailer 2$4,429 NZD
Retailer 6$4,912 NZD
Retailer 8$5,062 NZD
MOH London$7,141 NZD

31 data points across 14 retailers

13 retailers$3,023 NZD to $7,141 NZD

A
Cheapest Retailer
-
$3,023 NZD
B+
Retailer 2
-
$3,684 NZD
View
B+
Retailer 3
-
$3,763 NZD
View
Final sale: no returns
B+
Retailer 4
-
$3,873 NZD
View
B+
Retailer 5
-
$4,061 NZD
View
Retailer 6
-
$4,077 NZD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$4,212 NZD
View
B
Retailer 8
-
$4,245 NZD
View
B
Retailer 9
-
$4,275 NZD
View
B
Retailer 10
-
$4,326 NZD
View
B
Retailer 11
-
$4,429 NZD
View
B
Retailer 12
-
$5,062 NZD
View
Most Expensive
B
MOH London
34C784D58 · Nov 2
$7,141 NZD
£3,117 GBP
View
12 more retailers have this diamond
Prices start from $3,023 NZDSave up to $4,118 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
1.23ct Cushion
$3,023 NZD