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Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1545812994

Certificate GIA 1545812994

Diamond specifications and retailer prices

From $4,562 SGD
As of November 6, 2026
Save $5,081 SGD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,644 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 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 1545812994. Listed at 17 retailers as of November 4, 2026, with prices from $4,562 to $9,644, a $5,081 spread on the same certified stone. MOH London lists it at $9,644. 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
OriginNatural
Grading LabGIA
CertificateGIA 1545812994
Dimensions7.59 × 6.00 × 4.10 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.59 mm6.00 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545812994
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.4%

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: $9,644 SGD|Low: $4,562 SGD|High: $9,787 SGD|Avg: $6,520 SGD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$4,562 SGD
Retailer 3$5,689 SGD
Retailer 7$5,729 SGD
Retailer 5$5,977 SGD
Retailer 8$6,120 SGD
Retailer 4$6,459 SGD
Retailer 6$7,408 SGD
MOH London$9,644 SGD

31 data points across 8 retailers

17 retailers$4,562 SGD to $9,644 SGD

A
Cheapest Retailer
-
$4,562 SGD
A
Retailer 2
-
$4,830 SGD
View
Final sale: no returns
A
Retailer 3
-
$4,989 SGD
View
A
Retailer 4
-
$5,184 SGD
View
A
Retailer 5
-
$5,296 SGD
View
A
Retailer 6
-
$5,565 SGD
View
A
Retailer 7
-
$5,689 SGD
View
B+
Retailer 8
-
$5,729 SGD
View
A
Retailer 9
-
$5,977 SGD
View
Retailer 10
-
$6,071 SGD
View
Price last confirmed 22 days ago
Retailer 11
-
$6,120 SGD
View
Price last confirmed 29 days ago
B+
Retailer 12
-
$6,263 SGD
View
B+
Retailer 13
-
$6,394 SGD
View
B+
Retailer 14
-
$6,459 SGD
View
B+
Retailer 15
-
$6,498 SGD
View
B+
Retailer 16
-
$7,408 SGD
View
Most Expensive
B
MOH London
DB2474490 · Nov 4
$9,644 SGD
£5,925 GBP
View
16 more retailers have this diamond
Prices start from $4,562 SGDSave up to $5,081 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
$4,562 SGD