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Cushion|Natural|GIA

1.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1246005803

Certificate GIA 1246005803

Diamond specifications and retailer prices

From $4,837 CAD
HK$27,000 HKD
As of October 29, 2026
Save $6,050 CAD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,887 CAD at MOH London · As of October 29, 2026
View at MOH London

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 1246005803. Listed at 19 retailers as of October 29, 2026, with prices from $4,837 to $10,887, a $6,050 spread on the same certified stone. MOH London lists it at $10,887. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1246005803
Dimensions6.86 × 6.28 × 4.32 mm
L/W Ratio1.09
Girdle conditionFaceted
Top View
6.86 mm6.28 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246005803
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.8%

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 29
Current: $10,887 CAD|Low: $4,837 CAD|High: $11,255 CAD|Avg: $6,589 CAD|-3.3%
MOH London
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
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 18$4,837 CAD
Retailer 9$4,990 CAD
Retailer 16$5,260 CAD
Retailer 17$5,573 CAD
Retailer 5$5,615 CAD
Retailer 3$5,685 CAD
Retailer 11$5,735 CAD
Retailer 6$5,836 CAD
Retailer 8$5,862 CAD
Retailer 7$5,934 CAD
Retailer 15$5,934 CAD
Retailer 2$6,134 CAD
Retailer 12$6,519 CAD
Retailer 10$7,039 CAD
Retailer 13$7,683 CAD
Retailer 14$8,206 CAD
Retailer 4$10,443 CAD
MOH London$10,887 CAD

24 data points across 18 retailers

19 retailers$4,837 CAD to $10,887 CAD

A
Cheapest Retailer
-
$4,837 CAD
HK$27,000 HKD
A
Retailer 2
-
$4,990 CAD
$3,565 USD
View
A
Retailer 3
-
$5,260 CAD
$3,758 USD
View
A
Retailer 4
-
$5,573 CAD
$3,982 USD
View
A
Retailer 5
-
$5,615 CAD
$4,012 USD
View
A
Retailer 6
-
$5,685 CAD
$4,062 USD
View
Final sale: no returns
A
Retailer 7
-
$5,735 CAD
€3,902 EUR
View
A
Retailer 8
-
$5,836 CAD
$4,170 USD
View
A
Retailer 9
-
$5,862 CAD
$4,188 USD
View
A
Retailer 10
-
$5,934 CAD
$4,240 USD
View
A
Retailer 11
-
$5,934 CAD
$4,240 USD
View
A
Retailer 12
-
$6,134 CAD
£3,451 GBP
View
A
Retailer 13
-
$6,519 CAD
$4,658 USD
View
A
Retailer 14
-
$7,039 CAD
A$7,738 AUD
View
Price last confirmed 20 days ago
A
Retailer 15
-
$7,367 CAD
A$8,098 AUD
View
A
Retailer 16
-
$7,683 CAD
€5,228 EUR
View
A
Retailer 17
-
$8,206 CAD
ZAR 94,721 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 18
-
$10,443 CAD
$7,461 USD
View
Most Expensive
B+
MOH London
1FAD8C3DB · Oct 29
$10,887 CAD
£6,125 GBP
View
18 more retailers have this diamond
Prices start from $4,837 CADSave up to $6,050 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
$4,837 CAD