CaratHunter
Plans
Cushion|Natural|GIA

1.50ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6551442183

Certificate GIA 6551442183

Diamond specifications and retailer prices

From $3,737 CAD
HK$20,900 HKD
As of November 1, 2026
Save $4,569 CAD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,306 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 6551442183. Listed at 21 retailers as of November 1, 2026, with prices from $3,737 to $8,306, a $4,569 spread on the same certified stone. MOH London lists it at $8,306. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551442183
Dimensions7.24 × 5.79 × 3.98 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
7.24 mm5.79 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6551442183
Side View
Table 69.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.8%

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: $8,306 CAD|Low: $3,737 CAD|High: $9,012 CAD|Avg: $5,449 CAD|-7.8%
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 2$3,737 CAD
Retailer 17$4,152 CAD
Retailer 7$4,222 CAD
Retailer 4$4,226 CAD
Retailer 6$4,259 CAD
Retailer 15$4,353 CAD
Retailer 9$4,519 CAD
Retailer 13$4,533 CAD
Retailer 14$4,713 CAD
Retailer 16$4,787 CAD
Retailer 18$4,812 CAD
Retailer 10$4,917 CAD
Retailer 11$4,945 CAD
Retailer 3$6,078 CAD
Retailer 19$6,380 CAD
Retailer 5$6,586 CAD
Retailer 12$7,012 CAD
Retailer 8$8,196 CAD
MOH London$8,306 CAD

19 data points across 19 retailers

21 retailers$3,737 CAD to $8,306 CAD

A
Cheapest Retailer
-
$3,737 CAD
HK$20,900 HKD
A
Retailer 2
-
$4,152 CAD
$2,972 USD
View
Final sale: no returns
A
Retailer 3
-
$4,222 CAD
$3,022 USD
View
A
Retailer 4
-
$4,226 CAD
$3,025 USD
View
A
Retailer 5
-
$4,259 CAD
$3,049 USD
View
A
Retailer 6
-
$4,353 CAD
€2,968 EUR
View
A
Retailer 7
-
$4,519 CAD
$3,235 USD
View
A
Retailer 8
-
$4,533 CAD
$3,245 USD
View
A
Retailer 9
-
$4,713 CAD
£2,657 GBP
View
A
Retailer 10
-
$4,787 CAD
£2,698 GBP
View
A
Retailer 11
-
$4,812 CAD
$3,445 USD
View
Retailer 12
-
$4,917 CAD
$3,520 USD
View
Price last confirmed 13 days ago
A
Retailer 13
-
$4,945 CAD
$3,540 USD
View
B+
Retailer 14
-
$5,519 CAD
A$6,078 AUD
View
Retailer 15
-
$5,943 CAD
A$6,545 AUD
View
Price last confirmed 23 days ago
A
Retailer 16
-
$6,078 CAD
€4,144 EUR
View
B+
Retailer 17
-
$6,380 CAD
ZAR 73,781 ZAR
View
B+
Retailer 18
-
$6,586 CAD
$4,715 USD
View
B+
Retailer 19
-
$7,012 CAD
$5,020 USD
View
Retailer 20
-
$8,196 CAD
$5,867 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
20437D1FD · Nov 1
$8,306 CAD
£4,682 GBP
View
20 more retailers have this diamond
Prices start from $3,737 CADSave up to $4,569 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
$3,737 CAD