Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2235860205

Certificate GIA 2235860205

Diamond specifications and retailer prices

From $4,091 SGD
HK$25,000 HKD
As of October 30, 2026
Save $4,946 SGD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,037 SGD at MOH London · As of October 26, 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 H 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 2235860205. Listed at 10 retailers as of October 26, 2026, with prices from $4,091 to $9,037, a $4,946 spread on the same certified stone. MOH London lists it at $9,037. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.13°
OriginNatural
Grading LabGIA
CertificateGIA 2235860205
Dimensions7.65 × 6.02 × 4.05 mm
L/W Ratio1.27
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.65 mm6.02 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235860205
Side View
Table 63.0%CrownGirdle: STK-VTKPavilion 36.13°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,037 SGD|Low: $4,091 SGD|High: $9,719 SGD|Avg: $5,970 SGD|-6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5$4,091 SGD
Retailer 2$4,826 SGD
Retailer 8$5,115 SGD
Retailer 7$5,198 SGD
Retailer 3$5,284 SGD
Retailer 9$5,649 SGD
Retailer 6$5,947 SGD
Retailer 4$6,458 SGD
MOH London$9,037 SGD

34 data points across 9 retailers

10 retailers$4,091 SGD to $9,037 SGD

A
Cheapest Retailer
-
$4,091 SGD
HK$25,000 HKD
Retailer 2
-
$4,826 SGD
€3,596 EUR
View
Price last confirmed 4 days ago
A
Retailer 3
-
$5,115 SGD
$4,001 USD
View
A
Retailer 4
-
$5,198 SGD
View
A
Retailer 5
-
$5,284 SGD
£3,254 GBP
View
A
Retailer 6
-
$5,649 SGD
$4,419 USD
View
Final sale: no returns
A
Retailer 7
-
$5,947 SGD
$4,652 USD
View
B+
Retailer 8
-
$5,973 SGD
A$7,188 AUD
View
B+
Retailer 9
-
$6,458 SGD
€4,811 EUR
View
Most Expensive
B
MOH London
EFAA5E52F · Oct 26
$9,037 SGD
£5,566 GBP
View
9 more retailers have this diamond
Prices start from $4,091 SGDSave up to $4,946 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
$4,091 SGD