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Cushion|Natural|GIA

1.00ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6555228607

Certificate GIA 6555228607

Diamond specifications and retailer prices

From HK$7,877 HKD
As of November 6, 2026
Save HK$2,709 HKD (26%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$10,586 HKD at GemTrove · As of November 6, 2026
View at GemTrove

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 6555228607. Listed at 7 retailers as of November 6, 2026, with prices from HK$7,877 to HK$10,586, a HK$2,709 spread on the same certified stone. GemTrove lists it at HK$10,586. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555228607
Dimensions5.56 × 5.44 × 3.70 mm
L/W Ratio1.02
Top View
5.56 mm5.44 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555228607
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.0%

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$10,586 HKD|Low: HK$7,038 HKD|High: HK$10,682 HKD|Avg: HK$8,967 HKD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7HK$7,877 HKD
Retailer 4HK$7,900 HKD
Retailer 3HK$8,221 HKD
Retailer 2HK$8,652 HKD
Retailer 6HK$8,989 HKD
Retailer 5HK$9,671 HKD
GemTroveHK$10,586 HKD

40 data points across 7 retailers

7 retailersHK$7,877 HKD to HK$10,586 HKD

A
Cheapest Retailer
-
HK$7,877 HKD
A
Retailer 2
-
HK$7,900 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$8,221 HKD
View
A
Retailer 4
-
HK$8,652 HKD
View
A
Retailer 5
-
HK$8,989 HKD
View
A
Retailer 6
-
HK$9,671 HKD
View
Most Expensive
B+
GemTrove
GT-N-00979294-98 · Nov 6
HK$10,586 HKD
A$2,078 AUD
View
6 more retailers have this diamond
Prices start from HK$7,877 HKDSave up to HK$2,709 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$7,877 HKD