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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 $3,845 SGD
HK$23,500 HKD
As of October 28, 2026
Save $5,120 SGD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,965 SGD 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 18 retailers as of October 28, 2026, with prices from $3,845 to $8,965, a $5,120 spread on the same certified stone. MOH London lists it at $8,965. 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: $8,965 SGD|Low: $3,845 SGD|High: $9,530 SGD|Avg: $5,624 SGD|-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 4$3,845 SGD
Retailer 9$4,212 SGD
Retailer 13$4,588 SGD
Retailer 17$4,767 SGD
Retailer 10$4,772 SGD
Retailer 3$4,775 SGD
Retailer 5$4,893 SGD
Retailer 7$4,922 SGD
Retailer 8$4,969 SGD
Retailer 11$5,053 SGD
Retailer 18$5,159 SGD
Retailer 16$5,241 SGD
Retailer 2$5,438 SGD
Retailer 6$6,008 SGD
Retailer 12$6,026 SGD
Retailer 14$6,493 SGD
Retailer 15$8,338 SGD
MOH London$8,965 SGD

15 data points across 18 retailers

18 retailers$3,845 SGD to $8,965 SGD

A
Cheapest Retailer
-
$3,845 SGD
HK$23,500 HKD
Retailer 2
-
$4,212 SGD
$3,295 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$4,588 SGD
€3,418 EUR
View
Price last confirmed 5 days ago
A
Retailer 4
-
$4,767 SGD
$3,729 USD
View
Retailer 5
-
$4,772 SGD
$3,733 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$4,775 SGD
$3,735 USD
View
A
Retailer 7
-
$4,893 SGD
View
A
Retailer 8
-
$4,922 SGD
$3,850 USD
View
Final sale: no returns
Retailer 9
-
$4,969 SGD
$3,887 USD
View
Price last confirmed 10 days ago
A
Retailer 10
-
$5,053 SGD
£3,112 GBP
View
A
Retailer 11
-
$5,159 SGD
$4,035 USD
View
A
Retailer 12
-
$5,241 SGD
$4,100 USD
View
A
Retailer 13
-
$5,438 SGD
£3,349 GBP
View
A
Retailer 14
-
$6,008 SGD
$4,700 USD
View
A
Retailer 15
-
$6,026 SGD
€4,489 EUR
View
A
Retailer 16
-
$6,493 SGD
ZAR 82,048 ZAR
View
B+
Retailer 17
-
$8,338 SGD
$6,522 USD
View
Most Expensive
B+
MOH London
159D8BEB3 · Oct 29
$8,965 SGD
£5,522 GBP
View
17 more retailers have this diamond
Prices start from $3,845 SGDSave up to $5,120 SGD

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
$3,845 SGD