Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6233946339

Certificate GIA 6233946339

Diamond specifications and retailer prices

From $5,956 SGD
HK$36,400 HKD
As of November 1, 2026
Save $5,980 SGD (50%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $11,936 SGD at MOH London · As of November 1, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6233946339. Listed at 10 retailers as of November 1, 2026, with prices from $5,956 to $11,936, a $5,980 spread on the same certified stone. MOH London lists it at $11,936. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.81°
OriginNatural
Grading LabGIA
CertificateGIA 6233946339
Dimensions7.60 × 5.88 × 4.07 mm
L/W Ratio1.29
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.60 mm5.88 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6233946339
Side View
Table 62.0%CrownGirdle: STK-VTKPavilion 35.81°Culet: NoneDepth 69.3%

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 1
Current: $11,936 SGD|Low: $5,956 SGD|High: $13,318 SGD|Avg: $8,374 SGD|-10.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2$5,956 SGD
Retailer 4$6,853 SGD
Retailer 8$6,889 SGD
Retailer 5$7,121 SGD
Retailer 3$7,581 SGD
Retailer 9$8,354 SGD
Retailer 7$8,500 SGD
Retailer 6$8,972 SGD
MOH London$11,936 SGD

34 data points across 9 retailers

10 retailers$5,956 SGD to $11,936 SGD

A
Cheapest Retailer
-
$5,956 SGD
HK$36,400 HKD
A
Retailer 2
-
$6,853 SGD
€5,106 EUR
View
A
Retailer 3
-
$6,889 SGD
View
A
Retailer 4
-
$7,121 SGD
$5,570 USD
View
A
Retailer 5
-
$7,581 SGD
£4,669 GBP
View
B+
Retailer 6
-
$8,354 SGD
$6,535 USD
View
Final sale: no returns
B+
Retailer 7
-
$8,500 SGD
$6,649 USD
View
B+
Retailer 8
-
$8,898 SGD
A$10,708 AUD
View
B+
Retailer 9
-
$8,972 SGD
€6,684 EUR
View
Most Expensive
B+
MOH London
8A896A3F4 · Nov 1
$11,936 SGD
£7,352 GBP
View
9 more retailers have this diamond
Prices start from $5,956 SGDSave up to $5,980 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
$5,956 SGD