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Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 5231875067

Certificate GIA 5231875067

Diamond specifications and retailer prices

From HK$21,004 HKD
As of November 6, 2026
Save HK$20,771 HKD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$41,775 HKD at MOH London · As of November 7, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231875067. Listed at 16 retailers as of November 6, 2026, with prices from HK$21,004 to HK$41,775, a HK$20,771 spread on the same certified stone. MOH London lists it at HK$41,775. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231875067
Dimensions7.30 × 5.63 × 3.53 mm
L/W Ratio1.30
Top View
7.30 mm5.63 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231875067
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$41,775 HKD|Low: HK$21,004 HKD|High: HK$42,880 HKD|Avg: HK$27,093 HKD|-2.6%
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 7, 2026
Retailer 4HK$21,004 HKD
Retailer 7HK$21,906 HKD
Retailer 5HK$22,948 HKD
Retailer 3HK$22,979 HKD
Retailer 8HK$24,359 HKD
Retailer 11HK$24,696 HKD
Retailer 12HK$26,020 HKD
Retailer 14HK$26,020 HKD
Retailer 2HK$26,052 HKD
Retailer 13HK$26,882 HKD
Retailer 9HK$29,234 HKD
Retailer 6HK$29,390 HKD
Retailer 10HK$30,652 HKD
MOH LondonHK$41,775 HKD

30 data points across 14 retailers

16 retailersHK$21,004 HKD to HK$41,775 HKD

B+
Cheapest Retailer
-
HK$21,004 HKD
Final sale: no returns
B+
Retailer 2
-
HK$21,906 HKD
View
Retailer 3
-
HK$22,948 HKD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
HK$22,979 HKD
View
B
Retailer 5
-
HK$23,881 HKD
View
B+
Retailer 6
-
HK$24,359 HKD
View
B
Retailer 7
-
HK$24,696 HKD
View
B+
Retailer 8
-
HK$26,020 HKD
View
B+
Retailer 9
-
HK$26,020 HKD
View
B+
Retailer 10
-
HK$26,052 HKD
View
B
Retailer 11
-
HK$26,882 HKD
View
Retailer 12
-
HK$27,290 HKD
View
Price last confirmed 31 days ago
B
Retailer 13
-
HK$29,234 HKD
View
Retailer 14
-
HK$29,390 HKD
View
Price last confirmed 15 days ago
B
Retailer 15
-
HK$30,652 HKD
View
Most Expensive
B
MOH London
534729B15 · Nov 7
HK$41,775 HKD
£4,197 GBP
View
15 more retailers have this diamond
Prices start from HK$21,004 HKDSave up to HK$20,771 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$21,004 HKD