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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2231946449

Certificate GIA 2231946449

Diamond specifications and retailer prices

From HK$27,987 HKD
As of November 6, 2026
Save HK$31,644 HKD (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$59,631 HKD at MOH London · As of November 7, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two 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 2231946449. Listed at 9 retailers as of November 6, 2026, with prices from HK$27,987 to HK$59,631, a HK$31,644 spread on the same certified stone. MOH London lists it at HK$59,631. 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

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle36.21°
OriginNatural
Grading LabGIA
CertificateGIA 2231946449
Dimensions7.57 × 5.91 × 4.14 mm
L/W Ratio1.28
Key to symbols
Crystal, Feather, Pinpoint
Top View
7.57 mm5.91 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231946449
Side View
Table 65.0%CrownGirdle: MED-VTKPavilion 36.21°Culet: NoneDepth 69.9%

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$59,631 HKD|Low: HK$27,987 HKD|High: HK$69,416 HKD|Avg: HK$42,365 HKD|-14.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6HK$27,987 HKD
Retailer 7HK$33,646 HKD
Retailer 5HK$35,112 HKD
Retailer 3HK$35,503 HKD
Retailer 2HK$39,979 HKD
Retailer 8HK$40,245 HKD
Retailer 4HK$43,074 HKD
MOH LondonHK$59,631 HKD

43 data points across 8 retailers

9 retailersHK$27,987 HKD to HK$59,631 HKD

A
Cheapest Retailer
-
HK$27,987 HKD
A
Retailer 2
-
HK$33,646 HKD
View
A
Retailer 3
-
HK$35,112 HKD
View
A
Retailer 4
-
HK$35,503 HKD
View
A
Retailer 5
-
HK$39,979 HKD
View
A
Retailer 6
-
HK$40,245 HKD
View
Final sale: no returns
B+
Retailer 7
-
HK$42,118 HKD
View
A
Retailer 8
-
HK$43,074 HKD
View
Most Expensive
B+
MOH London
F025DB16D · Nov 7
HK$59,631 HKD
£5,991 GBP
View
8 more retailers have this diamond
Prices start from HK$27,987 HKDSave up to HK$31,644 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
1.51ct Cushion
HK$27,987 HKD