Cushion|Natural|GIA

1.20ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6237990521

Certificate GIA 6237990521

Diamond specifications and retailer prices

From HK$14,444 HKD
As of November 6, 2026
Save HK$20,383 HKD (59%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$34,827 HKD at MOH London · As of November 2, 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 H 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 6237990521. Listed at 10 retailers as of November 2, 2026, with prices from HK$14,444 to HK$34,827, a HK$20,383 spread on the same certified stone. MOH London lists it at HK$34,827. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.15°
OriginNatural
Grading LabGIA
CertificateGIA 6237990521
Dimensions7.29 × 5.50 × 3.83 mm
L/W Ratio1.33
Key to symbols
Crystal, Cloud, Needle
Top View
7.29 mm5.50 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237990521
Side View
Table 64.0%CrownGirdle: MED-THKPavilion 37.15°Culet: NoneDepth 69.6%

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$34,827 HKD|Low: HK$14,444 HKD|High: HK$36,977 HKD|Avg: HK$23,237 HKD|-5.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6HK$14,444 HKD
Retailer 5HK$17,289 HKD
Retailer 8HK$18,347 HKD
Retailer 2HK$19,029 HKD
Retailer 4HK$20,072 HKD
Retailer 7HK$21,451 HKD
Retailer 3HK$24,468 HKD
Retailer 9HK$30,198 HKD
MOH LondonHK$34,827 HKD

32 data points across 9 retailers

10 retailersHK$14,444 HKD to HK$34,827 HKD

A
Cheapest Retailer
-
HK$14,444 HKD
Retailer 2
-
HK$17,289 HKD
View
Price last confirmed 3 days ago
B+
Retailer 3
-
HK$18,347 HKD
View
B+
Retailer 4
-
HK$19,029 HKD
View
B+
Retailer 5
-
HK$20,072 HKD
View
B+
Retailer 6
-
HK$21,451 HKD
View
B+
Retailer 7
-
HK$21,945 HKD
View
B+
Retailer 8
-
HK$24,468 HKD
View
B
Retailer 9
-
HK$30,198 HKD
View
Most Expensive
B
MOH London
7E12B0BD9 · Nov 2
HK$34,827 HKD
£3,499 GBP
View
9 more retailers have this diamond
Prices start from HK$14,444 HKDSave up to HK$20,383 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$14,444 HKD