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Cushion|Natural|GIA

1.00ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1548357729

Certificate GIA 1548357729

Diamond specifications and retailer prices

From HK$8,096 HKD
As of November 6, 2026
Save HK$11,771 HKD (59%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$19,867 HKD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548357729. Listed at 13 retailers as of November 4, 2026, with prices from HK$8,096 to HK$19,867, a HK$11,771 spread on the same certified stone. MOH London lists it at HK$19,867. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1548357729
Dimensions7.44 × 5.05 × 3.42 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
7.44 mm5.05 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1548357729
Side View
Table 65.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 67.8%

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$19,867 HKD|Low: HK$7,751 HKD|High: HK$20,325 HKD|Avg: HK$12,034 HKD|-2.1%
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 6, 2026
Retailer 2HK$8,096 HKD
Retailer 12HK$8,527 HKD
Retailer 13HK$10,079 HKD
Retailer 3HK$10,737 HKD
Retailer 4HK$10,878 HKD
Retailer 14HK$11,592 HKD
Retailer 10HK$11,678 HKD
Retailer 9HK$11,834 HKD
Retailer 5HK$11,976 HKD
Retailer 6HK$12,062 HKD
Retailer 8HK$13,269 HKD
Retailer 7HK$14,060 HKD
Retailer 11HK$14,186 HKD
MOH LondonHK$19,867 HKD

41 data points across 14 retailers

13 retailersHK$8,096 HKD to HK$19,867 HKD

A
Cheapest Retailer
-
HK$8,096 HKD
A
Retailer 2
-
HK$8,527 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$10,079 HKD
View
Retailer 4
-
HK$10,878 HKD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
HK$11,592 HKD
View
B+
Retailer 6
-
HK$11,678 HKD
View
Retailer 7
-
HK$11,834 HKD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
HK$11,976 HKD
View
B+
Retailer 9
-
HK$12,062 HKD
View
B+
Retailer 10
-
HK$13,269 HKD
View
B+
Retailer 11
-
HK$14,060 HKD
View
Retailer 12
-
HK$14,186 HKD
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
1B1A84F62 · Nov 4
HK$19,867 HKD
£1,996 GBP
View
12 more retailers have this diamond
Prices start from HK$8,096 HKDSave up to HK$11,771 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
1.00ct Cushion
HK$8,096 HKD