Cushion|Natural|GIA

1.50ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2241066059

Certificate GIA 2241066059

Diamond specifications and retailer prices

From $2,575 SGD
As of November 6, 2026
Save $3,522 SGD (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,097 SGD 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 I 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 2241066059. Listed at 8 retailers as of November 4, 2026, with prices from $2,575 to $6,097, a $3,522 spread on the same certified stone. MOH London lists it at $6,097. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle36.03°
OriginNatural
Grading LabGIA
CertificateGIA 2241066059
Dimensions7.55 × 5.90 × 4.11 mm
L/W Ratio1.28
Key to symbols
Crystal, Feather
Top View
7.55 mm5.90 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2241066059
Side View
Table 62.0%CrownGirdle: STK-VTKPavilion 36.03°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: $6,097 SGD|Low: $2,575 SGD|High: $6,742 SGD|Avg: $4,253 SGD|-9.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$2,575 SGD
Retailer 3$3,177 SGD
Retailer 5$3,181 SGD
Retailer 4$3,448 SGD
Retailer 7$3,803 SGD
Retailer 2$4,720 SGD
Retailer 9$4,862 SGD
Retailer 8$5,476 SGD
MOH London$6,097 SGD

29 data points across 9 retailers

8 retailers$2,575 SGD to $6,097 SGD

A
Cheapest Retailer
-
$2,575 SGD
A
Retailer 2
-
$3,177 SGD
View
A
Retailer 3
-
$3,181 SGD
View
A
Retailer 4
-
$3,448 SGD
View
A
Retailer 5
-
$3,803 SGD
View
A
Retailer 6
-
$4,720 SGD
View
Retailer 7
-
$5,476 SGD
View
Price last confirmed 10 days ago
Most Expensive
B+
MOH London
408F274C1 · Nov 4
$6,097 SGD
£3,746 GBP
View
7 more retailers have this diamond
Prices start from $2,575 SGDSave up to $3,522 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
$2,575 SGD