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Cushion|Natural|GIA

1.50ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 1543643600

Certificate GIA 1543643600

Diamond specifications and retailer prices

From $6,076 SGD
$4,753 USD
As of October 30, 2026
Save $5,922 SGD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,998 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 E 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 1543643600. Listed at 15 retailers as of October 28, 2026, with prices from $6,076 to $11,998, a $5,922 spread on the same certified stone. Queensmith lists it at $11,998. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1543643600
Dimensions7.50 × 5.83 × 4.07 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural, Cavity, Needle, Natural
Top View
7.50 mm5.83 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543643600
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.8%

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: $11,998 SGD|Low: $6,076 SGD|High: $12,087 SGD|Avg: $7,996 SGD|+2.0%
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
October 31, 2026
Retailer 11$6,076 SGD
Retailer 4$6,517 SGD
Retailer 5$6,623 SGD
Retailer 7$6,868 SGD
Retailer 10$6,951 SGD
Retailer 6$7,089 SGD
Retailer 3$7,402 SGD
Retailer 12$7,402 SGD
Retailer 13$7,658 SGD
Retailer 9$8,018 SGD
Retailer 2$8,224 SGD
Retailer 8$11,636 SGD
Queensmith$11,998 SGD

33 data points across 13 retailers

15 retailers$6,076 SGD to $11,998 SGD

A
Cheapest Retailer
-
$6,076 SGD
$4,753 USD
Final sale: no returns
A
Retailer 2
-
$6,517 SGD
$5,098 USD
View
Retailer 3
-
$6,623 SGD
$5,181 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$6,738 SGD
$5,271 USD
View
A
Retailer 5
-
$6,868 SGD
£4,230 GBP
View
A
Retailer 6
-
$6,951 SGD
$5,437 USD
View
A
Retailer 7
-
$7,089 SGD
£4,367 GBP
View
A
Retailer 8
-
$7,402 SGD
$5,790 USD
View
A
Retailer 9
-
$7,402 SGD
$5,790 USD
View
B+
Retailer 10
-
$7,658 SGD
$5,990 USD
View
B+
Retailer 11
-
$7,884 SGD
A$9,488 AUD
View
Retailer 12
-
$8,018 SGD
$6,272 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$8,224 SGD
€6,127 EUR
View
B
Retailer 14
-
$11,636 SGD
£7,167 GBP
View
Most Expensive
B
Queensmith
1543643600 · Oct 28
$11,998 SGD
£7,390 GBP
View
14 more retailers have this diamond
Prices start from $6,076 SGDSave up to $5,922 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
$6,076 SGD