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Cushion|Natural|GIA

1.50ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2231870039

Certificate GIA 2231870039

Diamond specifications and retailer prices

From HK$27,987 HKD
As of November 6, 2026
Save HK$33,515 HKD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$61,503 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded G 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 2231870039. Listed at 9 retailers as of November 4, 2026, with prices from HK$27,987 to HK$61,503, a HK$33,515 spread on the same certified stone. MOH London lists it at HK$61,503. 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

1.50
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.42°
OriginNatural
Grading LabGIA
CertificateGIA 2231870039
Dimensions7.55 × 5.89 × 4.12 mm
L/W Ratio1.28
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
7.55 mm5.89 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231870039
Side View
Table 63.0%CrownGirdle: STK-VTKPavilion 35.42°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$61,503 HKD|Low: HK$27,987 HKD|High: HK$66,111 HKD|Avg: HK$40,627 HKD|-7.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2HK$27,987 HKD
Retailer 8HK$34,116 HKD
Retailer 5HK$35,566 HKD
Retailer 3HK$35,723 HKD
Retailer 7HK$39,414 HKD
Retailer 6HK$40,464 HKD
Retailer 4HK$43,968 HKD
MOH LondonHK$61,503 HKD

35 data points across 8 retailers

9 retailersHK$27,987 HKD to HK$61,503 HKD

A
Cheapest Retailer
-
HK$27,987 HKD
A
Retailer 2
-
HK$34,116 HKD
View
A
Retailer 3
-
HK$35,566 HKD
View
A
Retailer 4
-
HK$35,723 HKD
View
B+
Retailer 5
-
HK$39,414 HKD
View
A
Retailer 6
-
HK$40,464 HKD
View
B+
Retailer 7
-
HK$42,165 HKD
View
A
Retailer 8
-
HK$43,968 HKD
View
Most Expensive
B+
MOH London
2E5FD910D · Nov 4
HK$61,503 HKD
£6,179 GBP
View
8 more retailers have this diamond
Prices start from HK$27,987 HKDSave up to HK$33,515 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
1.50ct Cushion
HK$27,987 HKD