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Cushion|Natural|GIA

1.30ct J IF Cushion Natural Diamond

EX • J/IF • GIA 6237859412

Certificate GIA 6237859412

Diamond specifications and retailer prices

From HK$30,550 HKD
As of November 6, 2026
Save HK$33,401 HKD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$63,951 HKD at MOH London · As of November 4, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6237859412. Listed at 20 retailers as of November 4, 2026, with prices from HK$30,550 to HK$63,951, a HK$33,401 spread on the same certified stone. MOH London lists it at HK$63,951. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
J
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.82°
OriginNatural
Grading LabGIA
CertificateGIA 6237859412
Dimensions7.41 × 5.64 × 3.90 mm
L/W Ratio1.31
Top View
7.41 mm5.64 mm1.30 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237859412
Side View
Table 60.0%CrownGirdle: MED-VTKPavilion 35.82°Culet: NoneDepth 69.1%

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: HK$63,951 HKD|Low: HK$30,550 HKD|High: HK$64,897 HKD|Avg: HK$41,061 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 10HK$30,550 HKD
Retailer 7HK$33,662 HKD
Retailer 3HK$34,438 HKD
Retailer 11HK$34,445 HKD
Retailer 9HK$38,505 HKD
Retailer 2HK$39,892 HKD
Retailer 8HK$40,582 HKD
Retailer 4HK$42,385 HKD
Retailer 5HK$42,847 HKD
Retailer 6HK$49,117 HKD
MOH LondonHK$63,951 HKD

45 data points across 11 retailers

20 retailersHK$30,550 HKD to HK$63,951 HKD

A
Cheapest Retailer
-
HK$30,550 HKD
A
Retailer 2
-
HK$31,451 HKD
View
A
Retailer 3
-
HK$31,812 HKD
View
B+
Retailer 4
-
HK$32,180 HKD
View
B+
Retailer 5
-
HK$33,662 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$34,438 HKD
View
B+
Retailer 7
-
HK$34,445 HKD
View
B+
Retailer 8
-
HK$38,348 HKD
View
B+
Retailer 9
-
HK$38,505 HKD
View
B
Retailer 10
-
HK$39,736 HKD
View
B+
Retailer 11
-
HK$39,892 HKD
View
Retailer 12
-
HK$40,582 HKD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
HK$40,911 HKD
View
B+
Retailer 14
-
HK$40,911 HKD
View
B+
Retailer 15
-
HK$42,322 HKD
View
B+
Retailer 16
-
HK$42,385 HKD
View
B+
Retailer 17
-
HK$42,847 HKD
View
Retailer 18
-
HK$44,438 HKD
View
Price last confirmed 15 days ago
B
Retailer 19
-
HK$49,117 HKD
View
Most Expensive
B
MOH London
D5B87F691 · Nov 4
HK$63,951 HKD
£6,425 GBP
View
19 more retailers have this diamond
Prices start from HK$30,550 HKDSave up to HK$33,401 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
1.30ct Cushion
HK$30,550 HKD