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Cushion|Natural|GIA

1.20ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 6555811643

Certificate GIA 6555811643

Diamond specifications and retailer prices

From HK$11,936 HKD
As of November 6, 2026
Save HK$15,864 HKD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$27,800 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555811643. Listed at 12 retailers as of November 4, 2026, with prices from HK$11,936 to HK$27,800, a HK$15,864 spread on the same certified stone. MOH London lists it at HK$27,800. 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
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555811643
Dimensions7.46 × 5.51 × 3.58 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
7.46 mm5.51 mm1.20 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555811643
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.0%

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$27,800 HKD|Low: HK$11,834 HKD|High: HK$28,367 HKD|Avg: HK$17,056 HKD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9HK$11,936 HKD
Retailer 2HK$12,477 HKD
Retailer 11HK$14,679 HKD
Retailer 6HK$14,821 HKD
Retailer 3HK$15,996 HKD
Retailer 5HK$16,568 HKD
Retailer 8HK$16,615 HKD
Retailer 10HK$16,991 HKD
Retailer 7HK$17,274 HKD
Retailer 4HK$21,608 HKD
MOH LondonHK$27,800 HKD

32 data points across 11 retailers

12 retailersHK$11,936 HKD to HK$27,800 HKD

A
Cheapest Retailer
-
HK$11,936 HKD
A
Retailer 2
-
HK$12,477 HKD
View
B+
Retailer 3
-
HK$14,679 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$14,821 HKD
View
B+
Retailer 5
-
HK$15,056 HKD
View
Retailer 6
-
HK$15,996 HKD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$16,568 HKD
View
B+
Retailer 8
-
HK$16,615 HKD
View
B+
Retailer 9
-
HK$16,991 HKD
View
B+
Retailer 10
-
HK$17,274 HKD
View
B
Retailer 11
-
HK$21,608 HKD
View
Most Expensive
B
MOH London
7C0BBE768 · Nov 4
HK$27,800 HKD
£2,793 GBP
View
11 more retailers have this diamond
Prices start from HK$11,936 HKDSave up to HK$15,864 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$11,936 HKD