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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 $7,990 CAD
HK$44,600 HKD
As of October 29, 2026
Save $7,341 CAD (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $15,331 CAD 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 $7,990 to $15,331, a $7,341 spread on the same certified stone. Queensmith lists it at $15,331. 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
Color
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 29
Current: $15,331 CAD|Low: $7,990 CAD|High: $15,455 CAD|Avg: $10,980 CAD|+1.2%
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 29, 2026
Retailer 3$7,990 CAD
Retailer 8$8,591 CAD
Retailer 14$8,729 CAD
Retailer 7$9,487 CAD
Retailer 5$9,811 CAD
Retailer 12$9,811 CAD
Retailer 2$9,992 CAD
Retailer 9$10,004 CAD
Retailer 15$10,249 CAD
Retailer 6$10,859 CAD
Retailer 4$11,020 CAD
Retailer 11$11,598 CAD
Retailer 13$12,945 CAD
Retailer 10$14,895 CAD
Queensmith$15,331 CAD

22 data points across 15 retailers

19 retailers$7,990 CAD to $15,331 CAD

A
Cheapest Retailer
-
$7,990 CAD
HK$44,600 HKD
A
Retailer 2
-
$8,591 CAD
₹584,615 INR
View
A
Retailer 3
-
$8,729 CAD
$6,237 USD
View
Retailer 4
-
$9,246 CAD
SGD 8,927 SGD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
$9,487 CAD
SGD 9,160 SGD
View
B+
Retailer 6
-
$9,776 CAD
$6,985 USD
View
B+
Retailer 7
-
$9,811 CAD
$7,010 USD
View
B+
Retailer 8
-
$9,811 CAD
$7,010 USD
View
Final sale: no returns
Retailer 9
-
$9,866 CAD
$7,049 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$9,992 CAD
£5,621 GBP
View
B+
Retailer 11
-
$10,004 CAD
£5,628 GBP
View
Retailer 12
-
$10,249 CAD
A$11,266 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$10,824 CAD
A$11,898 AUD
View
B+
Retailer 14
-
$10,859 CAD
$7,759 USD
View
B+
Retailer 15
-
$11,020 CAD
$7,874 USD
View
B+
Retailer 16
-
$11,598 CAD
€7,892 EUR
View
B
Retailer 17
-
$12,945 CAD
ZAR 149,421 ZAR
View
B
Retailer 18
-
$14,895 CAD
£8,380 GBP
View
Most Expensive
B
Queensmith
5543508231 · Oct 28
$15,331 CAD
£8,625 GBP
View
18 more retailers have this diamond
Prices start from $7,990 CADSave up to $7,341 CAD

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
$7,990 CAD