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Cushion|Natural|GIA

1.50ct F SI1 Cushion Natural Diamond

ID • F/SI1 • GIA 6542285773

Certificate GIA 6542285773

Diamond specifications and retailer prices

From $5,233 SGD
As of November 6, 2026
Save $5,750 SGD (52%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,983 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 F 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 6542285773. Listed at 16 retailers as of November 4, 2026, with prices from $5,233 to $10,983, a $5,750 spread on the same certified stone. MOH London lists it at $10,983. 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
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6542285773
Dimensions7.62 × 5.87 × 4.03 mm
L/W Ratio1.30
Top View
7.62 mm5.87 mm1.50 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6542285773
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

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: Nov 6
Current: $10,983 SGD|Low: $5,183 SGD|High: $11,227 SGD|Avg: $7,123 SGD|-1.9%
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
November 7, 2026
Retailer 10$5,233 SGD
Retailer 6$5,563 SGD
Retailer 12$6,099 SGD
Retailer 9$6,207 SGD
Retailer 3$6,382 SGD
Retailer 13$6,660 SGD
Retailer 2$6,698 SGD
Retailer 11$6,914 SGD
Retailer 4$6,921 SGD
Retailer 5$7,021 SGD
Retailer 7$7,781 SGD
Retailer 8$8,437 SGD
MOH London$10,983 SGD

32 data points across 13 retailers

16 retailers$5,233 SGD to $10,983 SGD

A
Cheapest Retailer
-
$5,233 SGD
A
Retailer 2
-
$5,563 SGD
View
A
Retailer 3
-
$6,099 SGD
View
A
Retailer 4
-
$6,207 SGD
View
A
Retailer 5
-
$6,382 SGD
View
Final sale: no returns
A
Retailer 6
-
$6,418 SGD
View
A
Retailer 7
-
$6,421 SGD
View
Retailer 8
-
$6,660 SGD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$6,698 SGD
View
Retailer 10
-
$6,914 SGD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$6,921 SGD
View
Retailer 12
-
$7,021 SGD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$7,071 SGD
View
B+
Retailer 14
-
$7,781 SGD
View
B+
Retailer 15
-
$8,437 SGD
View
Most Expensive
B
MOH London
D877EFE97 · Nov 4
$10,983 SGD
£6,748 GBP
View
15 more retailers have this diamond
Prices start from $5,233 SGDSave up to $5,750 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
$5,233 SGD