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Cushion|Natural|GIA

1.50ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 2245088651

Certificate GIA 2245088651

Diamond specifications and retailer prices

From HK$23,600 HKD
As of October 28, 2026
Save HK$31,422 HKD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$55,021 HKD at MOH London · As of October 29, 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 2245088651. Listed at 17 retailers as of October 28, 2026, with prices from HK$23,600 to HK$55,021, a HK$31,422 spread on the same certified stone. MOH London lists it at HK$55,021. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2245088651
Dimensions6.45 × 6.45 × 4.44 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.45 mm6.45 mm1.50 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245088651
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.8%

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: Oct 28
Current: HK$55,021 HKD|Low: HK$23,600 HKD|High: HK$58,489 HKD|Avg: HK$34,517 HKD|-5.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 4HK$23,600 HKD
Retailer 9HK$25,852 HKD
Retailer 13HK$28,158 HKD
Retailer 17HK$29,257 HKD
Retailer 10HK$29,288 HKD
Retailer 3HK$29,304 HKD
Retailer 5HK$30,028 HKD
Retailer 7HK$30,206 HKD
Retailer 8HK$30,496 HKD
Retailer 11HK$31,013 HKD
Retailer 18HK$31,659 HKD
Retailer 16HK$32,167 HKD
Retailer 2HK$33,372 HKD
Retailer 6HK$36,875 HKD
Retailer 12HK$36,980 HKD
Retailer 14HK$39,847 HKD
Retailer 15HK$51,173 HKD
MOH LondonHK$55,021 HKD

15 data points across 18 retailers

17 retailersHK$23,600 HKD to HK$55,021 HKD

A
Cheapest Retailer
-
HK$23,600 HKD
Retailer 2
-
HK$25,852 HKD
$3,295 USD
View
Price last confirmed 12 days ago
Retailer 3
-
HK$28,158 HKD
€3,418 EUR
View
Price last confirmed 6 days ago
A
Retailer 4
-
HK$29,257 HKD
$3,729 USD
View
Retailer 5
-
HK$29,288 HKD
$3,733 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
HK$29,304 HKD
$3,735 USD
View
A
Retailer 7
-
HK$30,028 HKD
SGD 5,172 SGD
View
Retailer 8
-
HK$30,496 HKD
$3,887 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
HK$31,013 HKD
£3,112 GBP
View
Retailer 10
-
HK$31,659 HKD
$4,035 USD
View
Price last confirmed 7 days ago
A
Retailer 11
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HK$32,167 HKD
$4,100 USD
View
Price last confirmed 7 days ago
A
Retailer 12
-
HK$33,372 HKD
£3,349 GBP
View
A
Retailer 13
-
HK$36,875 HKD
$4,700 USD
View
A
Retailer 14
-
HK$36,980 HKD
€4,489 EUR
View
A
Retailer 15
-
HK$39,847 HKD
ZAR 82,048 ZAR
View
B+
Retailer 16
-
HK$51,173 HKD
$6,522 USD
View
Most Expensive
B+
MOH London
159D8BEB3 · Oct 29
HK$55,021 HKD
£5,522 GBP
View
16 more retailers have this diamond
Prices start from HK$23,600 HKDSave up to HK$31,422 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$23,600 HKD