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Cushion|Natural|GIA

1.50ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 6555361215

Certificate GIA 6555361215

Diamond specifications and retailer prices

From $4,664 SGD
HK$28,500 HKD
As of October 30, 2026
Save $6,531 SGD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,195 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 6555361215. Listed at 15 retailers as of October 28, 2026, with prices from $4,664 to $11,195, a $6,531 spread on the same certified stone. Queensmith lists it at $11,195. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555361215
Dimensions7.84 × 5.84 × 4.07 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.84 mm5.84 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555361215
Side View
Table 70.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.7%

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: Oct 30
Current: $11,195 SGD|Low: $4,664 SGD|High: $11,268 SGD|Avg: $6,890 SGD|+1.8%
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 12$4,664 SGD
Retailer 7$5,064 SGD
Retailer 5$5,544 SGD
Retailer 3$5,796 SGD
Retailer 8$5,935 SGD
Retailer 11$5,984 SGD
Retailer 6$6,244 SGD
Retailer 10$6,280 SGD
Retailer 4$6,473 SGD
Retailer 13$6,635 SGD
Retailer 2$7,106 SGD
Retailer 9$10,055 SGD
Queensmith$11,195 SGD

24 data points across 13 retailers

15 retailers$4,664 SGD to $11,195 SGD

A
Cheapest Retailer
-
$4,664 SGD
HK$28,500 HKD
A
Retailer 2
-
$5,064 SGD
₹377,248 INR
View
A
Retailer 3
-
$5,544 SGD
View
A
Retailer 4
-
$5,764 SGD
$4,509 USD
View
A
Retailer 5
-
$5,796 SGD
$4,534 USD
View
Final sale: no returns
A
Retailer 6
-
$5,935 SGD
£3,655 GBP
View
A
Retailer 7
-
$5,984 SGD
View
A
Retailer 8
-
$6,244 SGD
£3,846 GBP
View
A
Retailer 9
-
$6,247 SGD
A$7,518 AUD
View
A
Retailer 10
-
$6,280 SGD
$4,912 USD
View
A
Retailer 11
-
$6,473 SGD
$5,063 USD
View
A
Retailer 12
-
$6,635 SGD
$5,190 USD
View
A
Retailer 13
-
$7,106 SGD
€5,294 EUR
View
B+
Retailer 14
-
$10,055 SGD
£6,193 GBP
View
Most Expensive
B
Queensmith
6555361215 · Oct 28
$11,195 SGD
£6,895 GBP
View
14 more retailers have this diamond
Prices start from $4,664 SGDSave up to $6,531 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
$4,664 SGD