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Cushion|Natural|GIA

1.00ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6555301762

Certificate GIA 6555301762

Diamond specifications and retailer prices

From HK$7,054 HKD
As of November 6, 2026
Save HK$2,463 HKD (26%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$9,516 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555301762. Listed at 7 retailers as of November 6, 2026, with prices from HK$7,054 to HK$9,516, a HK$2,463 spread on the same certified stone. GemTrove lists it at HK$9,516. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555301762
Dimensions5.61 × 5.54 × 3.73 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud
Top View
5.61 mm5.54 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555301762
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.4%

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$9,516 HKD|Low: HK$6,340 HKD|High: HK$9,632 HKD|Avg: HK$8,070 HKD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7HK$7,054 HKD
Retailer 6HK$7,101 HKD
Retailer 3HK$7,508 HKD
Retailer 2HK$7,971 HKD
Retailer 5HK$8,018 HKD
Retailer 4HK$8,715 HKD
GemTroveHK$9,516 HKD

41 data points across 7 retailers

7 retailersHK$7,054 HKD to HK$9,516 HKD

A
Cheapest Retailer
-
HK$7,054 HKD
A
Retailer 2
-
HK$7,101 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$7,508 HKD
View
A
Retailer 4
-
HK$7,971 HKD
View
A
Retailer 5
-
HK$8,018 HKD
View
A
Retailer 6
-
HK$8,715 HKD
View
Most Expensive
B+
GemTrove
GT-N-00979305-98 · Nov 6
HK$9,516 HKD
A$1,868 AUD
View
6 more retailers have this diamond
Prices start from HK$7,054 HKDSave up to HK$2,463 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$7,054 HKD