Cushion|Natural|GIA

1.50ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2554824183

Certificate GIA 2554824183

Diamond specifications and retailer prices

From $5,238 SGD
HK$32,000 HKD
As of November 1, 2026
Save $6,545 SGD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,784 SGD at Queensmith · As of October 28, 2026
View at Queensmith

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554824183. Listed at 16 retailers as of October 28, 2026, with prices from $5,238 to $11,784, a $6,545 spread on the same certified stone. Queensmith lists it at $11,784. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554824183
Dimensions7.59 × 5.90 × 4.13 mm
L/W Ratio1.29
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Natural
Top View
7.59 mm5.90 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554824183
Side View
Table 65.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 69.9%

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: $11,784 SGD|Low: $5,189 SGD|High: $11,824 SGD|Avg: $7,085 SGD|+2.4%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 10$5,238 SGD
Retailer 14$5,526 SGD
Retailer 11$5,614 SGD
Retailer 3$5,619 SGD
Retailer 13$5,848 SGD
Retailer 4$5,952 SGD
Retailer 5$6,280 SGD
Retailer 12$6,337 SGD
Retailer 2$6,591 SGD
Retailer 8$6,825 SGD
Retailer 6$7,719 SGD
Retailer 7$7,915 SGD
Retailer 9$11,140 SGD
Queensmith$11,784 SGD

35 data points across 14 retailers

16 retailers$5,238 SGD to $11,784 SGD

A
Cheapest Retailer
-
$5,238 SGD
HK$32,000 HKD
A
Retailer 2
-
$5,526 SGD
$4,321 USD
View
A
Retailer 3
-
$5,614 SGD
$4,390 USD
View
A
Retailer 4
-
$5,619 SGD
$4,394 USD
View
A
Retailer 5
-
$5,848 SGD
$4,573 USD
View
Final sale: no returns
A
Retailer 6
-
$5,952 SGD
$4,654 USD
View
A
Retailer 7
-
$6,280 SGD
$4,910 USD
View
Retailer 8
-
$6,337 SGD
$4,955 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$6,472 SGD
A$7,785 AUD
View
A
Retailer 10
-
$6,591 SGD
£4,058 GBP
View
Retailer 11
-
$6,601 SGD
View
Price last confirmed 28 days ago
A
Retailer 12
-
$6,825 SGD
£4,202 GBP
View
Retailer 13
-
$7,719 SGD
$6,036 USD
View
Price last confirmed 19 days ago
B+
Retailer 14
-
$7,915 SGD
€5,894 EUR
View
B
Retailer 15
-
$11,140 SGD
£6,859 GBP
View
Most Expensive
B
Queensmith
2554824183 · Oct 28
$11,784 SGD
£7,255 GBP
View
15 more retailers have this diamond
Prices start from $5,238 SGDSave up to $6,545 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
$5,238 SGD