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Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1553950564

Certificate GIA 1553950564

Diamond specifications and retailer prices

From HK$10,831 HKD
As of November 6, 2026
Save HK$14,431 HKD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$25,262 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 1553950564. Listed at 14 retailers as of November 4, 2026, with prices from HK$10,831 to HK$25,262, a HK$14,431 spread on the same certified stone. MOH London lists it at HK$25,262. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553950564
Dimensions7.09 × 5.46 × 3.75 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle, Natural
Top View
7.09 mm5.46 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553950564
Side View
Table 68.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

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$25,262 HKD|Low: HK$10,831 HKD|High: HK$25,600 HKD|Avg: HK$16,234 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8HK$10,831 HKD
Retailer 2HK$11,356 HKD
Retailer 6HK$13,378 HKD
Retailer 9HK$14,452 HKD
Retailer 4HK$15,056 HKD
Retailer 5HK$15,690 HKD
Retailer 7HK$17,642 HKD
Retailer 3HK$19,633 HKD
MOH LondonHK$25,262 HKD

33 data points across 9 retailers

14 retailersHK$10,831 HKD to HK$25,262 HKD

A
Cheapest Retailer
-
HK$10,831 HKD
A
Retailer 2
-
HK$11,356 HKD
View
B+
Retailer 3
-
HK$13,378 HKD
View
B+
Retailer 4
-
HK$13,629 HKD
View
B+
Retailer 5
-
HK$13,637 HKD
View
Retailer 6
-
HK$14,452 HKD
View
Price last confirmed 22 days ago
B+
Retailer 7
-
HK$14,915 HKD
View
B+
Retailer 8
-
HK$15,048 HKD
View
B+
Retailer 9
-
HK$15,056 HKD
View
B+
Retailer 10
-
HK$15,526 HKD
View
B+
Retailer 11
-
HK$15,690 HKD
View
B+
Retailer 12
-
HK$17,642 HKD
View
B+
Retailer 13
-
HK$19,633 HKD
View
Most Expensive
B
MOH London
A3A101AE3 · Nov 4
HK$25,262 HKD
£2,538 GBP
View
13 more retailers have this diamond
Prices start from HK$10,831 HKDSave up to HK$14,431 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$10,831 HKD