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Cushion|Natural|GIA

1.21ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2231885719

Certificate GIA 2231885719

Diamond specifications and retailer prices

From HK$30,009 HKD
As of November 7, 2026
Save HK$20,704 HKD (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$50,713 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231885719. Listed at 2 retailers as of November 1, 2026, with prices from HK$30,009 to HK$50,713, a HK$20,704 spread on the same certified stone. MOH London lists it at HK$50,713. 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

1.21
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.92°
OriginNatural
Grading LabGIA
CertificateGIA 2231885719
Dimensions7.14 × 5.48 × 3.83 mm
L/W Ratio1.30
Key to symbols
Crystal, Needle
Top View
7.14 mm5.48 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231885719
Side View
Table 63.0%CrownGirdle: STK-THKPavilion 35.92°Culet: NoneDepth 69.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: HK$50,713 HKD|Low: HK$24,515 HKD|High: HK$51,251 HKD|Avg: HK$34,875 HKD|-1.0%
MOH London
Retailer 2
Retailer 3
November 7, 2026
Retailer 3HK$24,515 HKD
Retailer 2HK$30,009 HKD
MOH LondonHK$50,713 HKD

20 data points across 3 retailers

2 retailersHK$30,009 HKD to HK$50,713 HKD

B+
Cheapest Retailer
-
HK$30,009 HKD
Most Expensive
B
MOH London
834B5C3C6 · Nov 1
HK$50,713 HKD
£5,095 GBP
View
1 more retailer has this diamond
Prices start from HK$30,009 HKDSave up to HK$20,704 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+
1.21ct Cushion
HK$30,009 HKD