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Cushion|Natural|GIA

1.05ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6542230145

Certificate GIA 6542230145

Diamond specifications and retailer prices

From HK$6,709 HKD
As of November 6, 2026
Save HK$2,807 HKD (30%) 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 1.05ct natural cushion diamond

This 1.05ct 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 6542230145. Listed at 7 retailers as of November 6, 2026, with prices from HK$6,709 to HK$9,516, a HK$2,807 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

1.05
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542230145
Dimensions5.73 × 5.66 × 3.80 mm
L/W Ratio1.01
Top View
5.73 mm5.66 mm1.05 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542230145
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.2%

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 6
Current: HK$9,516 HKD|Low: HK$6,192 HKD|High: HK$9,609 HKD|Avg: HK$7,874 HKD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7HK$6,709 HKD
Retailer 4HK$6,756 HKD
Retailer 3HK$7,383 HKD
Retailer 2HK$7,587 HKD
Retailer 6HK$7,649 HKD
Retailer 5HK$8,308 HKD
GemTroveHK$9,516 HKD

41 data points across 7 retailers

7 retailersHK$6,709 HKD to HK$9,516 HKD

A
Cheapest Retailer
-
HK$6,709 HKD
A
Retailer 2
-
HK$6,756 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$7,383 HKD
View
A
Retailer 4
-
HK$7,587 HKD
View
A
Retailer 5
-
HK$7,649 HKD
View
A
Retailer 6
-
HK$8,308 HKD
View
Most Expensive
B+
GemTrove
GT-N-00959194-98 · Nov 6
HK$9,516 HKD
A$1,868 AUD
View
6 more retailers have this diamond
Prices start from HK$6,709 HKDSave up to HK$2,807 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
1.05ct Cushion
HK$6,709 HKD