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Cushion|Natural|GIA

1.50ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6541605256

Certificate GIA 6541605256

Diamond specifications and retailer prices

From $4,130 CAD
HK$23,100 HKD
As of November 1, 2026
Save $4,775 CAD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,906 CAD at MOH London · As of November 1, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541605256. Listed at 22 retailers as of November 1, 2026, with prices from $4,130 to $8,906, a $4,775 spread on the same certified stone. MOH London lists it at $8,906. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39°
OriginNatural
Grading LabGIA
CertificateGIA 6541605256
Dimensions6.78 × 6.57 × 4.38 mm
L/W Ratio1.03
Top View
6.78 mm6.57 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541605256
Side View
Table 66.0%CrownGirdle: THK-VTKPavilion 39°Culet: NoneDepth 66.7%

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: Nov 1
Current: $8,906 CAD|Low: $4,130 CAD|High: $9,163 CAD|Avg: $5,459 CAD|-2.8%
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
Retailer 19
November 1, 2026
Retailer 13$4,130 CAD
Retailer 12$4,212 CAD
Retailer 18$4,452 CAD
Retailer 5$4,469 CAD
Retailer 6$4,496 CAD
Retailer 10$4,687 CAD
Retailer 16$4,762 CAD
Retailer 9$4,779 CAD
Retailer 14$4,982 CAD
Retailer 15$5,053 CAD
Retailer 2$5,071 CAD
Retailer 11$5,309 CAD
Retailer 7$5,426 CAD
Retailer 17$5,447 CAD
Retailer 4$5,516 CAD
Retailer 3$6,286 CAD
Retailer 19$6,600 CAD
Retailer 8$8,712 CAD
MOH London$8,906 CAD

19 data points across 19 retailers

22 retailers$4,130 CAD to $8,906 CAD

A
Cheapest Retailer
-
$4,130 CAD
HK$23,100 HKD
A
Retailer 2
-
$4,212 CAD
$3,015 USD
View
A
Retailer 3
-
$4,452 CAD
$3,187 USD
View
Final sale: no returns
A
Retailer 4
-
$4,469 CAD
$3,199 USD
View
A
Retailer 5
-
$4,496 CAD
$3,219 USD
View
A
Retailer 6
-
$4,687 CAD
$3,355 USD
View
A
Retailer 7
-
$4,762 CAD
€3,246 EUR
View
A
Retailer 8
-
$4,779 CAD
$3,421 USD
View
A
Retailer 9
-
$4,982 CAD
$3,567 USD
View
A
Retailer 10
-
$5,053 CAD
£2,848 GBP
View
A
Retailer 11
-
$5,071 CAD
$3,630 USD
View
A
Retailer 12
-
$5,309 CAD
SGD 5,136 SGD
View
Retailer 13
-
$5,426 CAD
$3,884 USD
View
Price last confirmed 12 days ago
A
Retailer 14
-
$5,447 CAD
£3,070 GBP
View
A
Retailer 15
-
$5,516 CAD
$3,949 USD
View
Retailer 16
-
$5,516 CAD
$3,949 USD
View
Price last confirmed 11 days ago
A
Retailer 17
-
$5,818 CAD
A$6,408 AUD
View
Retailer 18
-
$5,896 CAD
A$6,493 AUD
View
Price last confirmed 23 days ago
A
Retailer 19
-
$6,286 CAD
€4,286 EUR
View
B+
Retailer 20
-
$6,600 CAD
ZAR 76,327 ZAR
View
Retailer 21
-
$8,712 CAD
$6,237 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
8B8AE58D9 · Nov 1
$8,906 CAD
£5,020 GBP
View
21 more retailers have this diamond
Prices start from $4,130 CADSave up to $4,775 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
$4,130 CAD