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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 HK$13,156 HKD
As of November 1, 2026
Save HK$17,902 HKD (58%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$31,058 HKD at MOH London · As of November 1, 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 1, 2026, with prices from HK$13,156 to HK$31,058, a HK$17,902 spread on the same certified stone. MOH London lists it at HK$31,058. 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 1
Current: HK$31,058 HKD|Low: HK$13,055 HKD|High: HK$31,397 HKD|Avg: HK$18,717 HKD|-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 2, 2026
Retailer 9HK$13,156 HKD
Retailer 12HK$16,021 HKD
Retailer 11HK$16,366 HKD
Retailer 13HK$16,845 HKD
Retailer 6HK$17,095 HKD
Retailer 10HK$17,731 HKD
Retailer 2HK$17,763 HKD
Retailer 3HK$18,461 HKD
Retailer 4HK$18,594 HKD
Retailer 14HK$18,822 HKD
Retailer 8HK$19,295 HKD
Retailer 5HK$21,368 HKD
Retailer 7HK$22,135 HKD
MOH LondonHK$31,058 HKD

26 data points across 14 retailers

13 retailersHK$13,156 HKD to HK$31,058 HKD

A
Cheapest Retailer
-
HK$13,156 HKD
B+
Retailer 2
-
HK$16,021 HKD
$2,042 USD
View
B+
Retailer 3
-
HK$16,366 HKD
$2,086 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$16,845 HKD
$2,147 USD
View
B
Retailer 5
-
HK$17,731 HKD
$2,260 USD
View
B+
Retailer 6
-
HK$17,763 HKD
£1,783 GBP
View
B
Retailer 7
-
HK$18,329 HKD
SGD 3,157 SGD
View
B
Retailer 8
-
HK$18,461 HKD
$2,353 USD
View
B
Retailer 9
-
HK$18,594 HKD
$2,370 USD
View
B
Retailer 10
-
HK$18,822 HKD
$2,399 USD
View
B+
Retailer 11
-
HK$19,295 HKD
£1,936 GBP
View
B
Retailer 12
-
HK$22,135 HKD
€2,687 EUR
View
Most Expensive
B
MOH London
34C784D58 · Nov 1
HK$31,058 HKD
£3,117 GBP
View
12 more retailers have this diamond
Prices start from HK$13,156 HKDSave up to HK$17,902 HKD

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
HK$13,156 HKD