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Cushion|Natural|GIA

1.51ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 2231852617

Certificate GIA 2231852617

Diamond specifications and retailer prices

From HK$21,067 HKD
As of November 6, 2026
Save HK$26,580 HKD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$47,647 HKD at MOH London · As of November 4, 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 G 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 2231852617. Listed at 8 retailers as of November 4, 2026, with prices from HK$21,067 to HK$47,647, a HK$26,580 spread on the same certified stone. MOH London lists it at HK$47,647. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.29°
OriginNatural
Grading LabGIA
CertificateGIA 2231852617
Dimensions7.72 × 5.91 × 4.12 mm
L/W Ratio1.31
Key to symbols
Crystal, Feather
Top View
7.72 mm5.91 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231852617
Side View
Table 65.0%CrownGirdle: STK-VTKPavilion 37.29°Culet: NoneDepth 69.8%

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$47,647 HKD|Low: HK$21,067 HKD|High: HK$53,490 HKD|Avg: HK$32,542 HKD|-10.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5HK$21,067 HKD
Retailer 6HK$25,832 HKD
Retailer 2HK$27,031 HKD
Retailer 4HK$28,826 HKD
Retailer 7HK$30,723 HKD
Retailer 3HK$33,826 HKD
MOH LondonHK$47,647 HKD

44 data points across 7 retailers

8 retailersHK$21,067 HKD to HK$47,647 HKD

A
Cheapest Retailer
-
HK$21,067 HKD
A
Retailer 2
-
HK$25,832 HKD
View
A
Retailer 3
-
HK$27,031 HKD
View
A
Retailer 4
-
HK$28,826 HKD
View
A
Retailer 5
-
HK$30,723 HKD
View
A
Retailer 6
-
HK$32,078 HKD
View
A
Retailer 7
-
HK$33,826 HKD
View
Most Expensive
B+
MOH London
DE74A4A62 · Nov 4
HK$47,647 HKD
£4,787 GBP
View
7 more retailers have this diamond
Prices start from HK$21,067 HKDSave up to HK$26,580 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$21,067 HKD