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Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2556054396

Certificate GIA 2556054396

Diamond specifications and retailer prices

From HK$9,726 HKD
As of November 6, 2026
Save HK$13,396 HKD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$23,122 HKD at MOH London · As of November 4, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556054396. Listed at 15 retailers as of November 4, 2026, with prices from HK$9,726 to HK$23,122, a HK$13,396 spread on the same certified stone. MOH London lists it at HK$23,122. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556054396
Dimensions6.82 × 5.23 × 3.80 mm
L/W Ratio1.30
Top View
6.82 mm5.23 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556054396
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 72.8%

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$23,122 HKD|Low: HK$9,726 HKD|High: HK$24,844 HKD|Avg: HK$14,865 HKD|-6.9%
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 10HK$9,726 HKD
Retailer 5HK$12,070 HKD
Retailer 4HK$12,195 HKD
Retailer 12HK$12,219 HKD
Retailer 13HK$12,446 HKD
Retailer 6HK$12,540 HKD
Retailer 9HK$13,167 HKD
Retailer 7HK$13,551 HKD
Retailer 11HK$13,794 HKD
Retailer 3HK$14,295 HKD
Retailer 8HK$16,153 HKD
Retailer 2HK$17,971 HKD
Retailer 14HK$20,228 HKD
MOH LondonHK$23,122 HKD

33 data points across 14 retailers

15 retailersHK$9,726 HKD to HK$23,122 HKD

A
Cheapest Retailer
-
HK$9,726 HKD
Retailer 2
-
HK$12,070 HKD
View
Price last confirmed 10 days ago
Retailer 3
-
HK$12,195 HKD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
HK$12,219 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$12,446 HKD
View
Retailer 6
-
HK$12,540 HKD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$13,167 HKD
View
B+
Retailer 8
-
HK$13,551 HKD
View
B+
Retailer 9
-
HK$13,794 HKD
View
B+
Retailer 10
-
HK$14,295 HKD
View
B+
Retailer 11
-
HK$14,915 HKD
View
B+
Retailer 12
-
HK$16,153 HKD
View
B
Retailer 13
-
HK$17,971 HKD
View
B
Retailer 14
-
HK$20,228 HKD
View
Most Expensive
B
MOH London
12C279E0C · Nov 4
HK$23,122 HKD
£2,323 GBP
View
14 more retailers have this diamond
Prices start from HK$9,726 HKDSave up to HK$13,396 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
1.20ct Cushion
HK$9,726 HKD