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Cushion|Natural|GIA

1.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5543508231

Certificate GIA 5543508231

Diamond specifications and retailer prices

From $7,298 SGD
HK$44,600 HKD
As of October 30, 2026
Save $6,705 SGD (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $14,003 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543508231. Listed at 19 retailers as of October 28, 2026, with prices from $7,298 to $14,003, a $6,705 spread on the same certified stone. Queensmith lists it at $14,003. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543508231
Dimensions7.65 × 5.88 × 3.99 mm
L/W Ratio1.30
Top View
7.65 mm5.88 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5543508231
Side View
Table 63.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 67.9%

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: Oct 30
Current: $14,003 SGD|Low: $7,298 SGD|High: $14,117 SGD|Avg: $9,938 SGD|+1.6%
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
Retailer 15
October 30, 2026
Retailer 3$7,298 SGD
Retailer 2$7,841 SGD
Retailer 14$7,973 SGD
Retailer 7$8,666 SGD
Retailer 5$8,962 SGD
Retailer 12$8,962 SGD
Retailer 8$9,112 SGD
Retailer 9$9,155 SGD
Retailer 15$9,362 SGD
Retailer 6$9,919 SGD
Retailer 4$10,066 SGD
Retailer 11$10,594 SGD
Retailer 13$11,824 SGD
Retailer 10$13,605 SGD
Queensmith$14,003 SGD

22 data points across 15 retailers

19 retailers$7,298 SGD to $14,003 SGD

A
Cheapest Retailer
-
$7,298 SGD
HK$44,600 HKD
A
Retailer 2
-
$7,841 SGD
₹584,171 INR
View
A
Retailer 3
-
$7,973 SGD
$6,237 USD
View
Retailer 4
-
$8,445 SGD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
$8,666 SGD
View
B+
Retailer 6
-
$8,930 SGD
$6,985 USD
View
B+
Retailer 7
-
$8,962 SGD
$7,010 USD
View
B+
Retailer 8
-
$8,962 SGD
$7,010 USD
View
Final sale: no returns
Retailer 9
-
$9,011 SGD
$7,049 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$9,112 SGD
£5,613 GBP
View
B+
Retailer 11
-
$9,155 SGD
£5,639 GBP
View
Retailer 12
-
$9,362 SGD
A$11,266 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$9,887 SGD
A$11,898 AUD
View
B+
Retailer 14
-
$9,919 SGD
$7,759 USD
View
B+
Retailer 15
-
$10,066 SGD
$7,874 USD
View
B+
Retailer 16
-
$10,594 SGD
€7,892 EUR
View
B
Retailer 17
-
$11,824 SGD
ZAR 149,421 ZAR
View
B
Retailer 18
-
$13,605 SGD
£8,380 GBP
View
Most Expensive
B
Queensmith
5543508231 · Oct 28
$14,003 SGD
£8,625 GBP
View
18 more retailers have this diamond
Prices start from $7,298 SGDSave up to $6,705 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
$7,298 SGD