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Cushion|Natural|GIA

1.20ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 6411297026

Certificate GIA 6411297026

Diamond specifications and retailer prices

From HK$13,457 HKD
As of November 6, 2026
Save HK$6,873 HKD (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$20,330 HKD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6411297026. Listed at 6 retailers as of November 5, 2026, with prices from HK$13,457 to HK$20,330, a HK$6,873 spread on the same certified stone. 77 Diamonds lists it at HK$20,330. 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

1.20
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6411297026
Dimensions5.87 × 5.77 × 3.97 mm
L/W Ratio1.02
Top View
5.87 mm5.77 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6411297026
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$20,330 HKD|Low: HK$13,457 HKD|High: HK$21,898 HKD|Avg: HK$16,881 HKD|-5.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5HK$13,457 HKD
Retailer 3HK$13,496 HKD
Retailer 4HK$13,645 HKD
Retailer 2HK$14,037 HKD
Retailer 6HK$14,805 HKD
77 DiamondsHK$20,330 HKD
Retailer 7HK$21,020 HKD
Retailer 8HK$21,898 HKD

36 data points across 8 retailers

6 retailersHK$13,457 HKD to HK$20,330 HKD

B+
Cheapest Retailer
-
HK$13,457 HKD
B+
Retailer 2
-
HK$13,496 HKD
View
B+
Retailer 3
-
HK$13,645 HKD
View
B+
Retailer 4
-
HK$14,037 HKD
View
Retailer 5
-
HK$14,805 HKD
View
Price last confirmed 61 days ago
Most Expensive
B
77 Diamonds
CUSMB74JGRSTF · Nov 5
HK$20,330 HKD
£2,043 GBP
View
5 more retailers have this diamond
Prices start from HK$13,457 HKDSave up to HK$6,873 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.

B+
1.20ct Cushion
HK$13,457 HKD