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Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1553446315

Certificate GIA 1553446315

Diamond specifications and retailer prices

From $4,346 CAD
As of November 6, 2026
Save $5,284 CAD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,630 CAD at MOH London · As of November 4, 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 H 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 1553446315. Listed at 17 retailers as of November 4, 2026, with prices from $4,346 to $9,630, a $5,284 spread on the same certified stone. MOH London lists it at $9,630. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553446315
Dimensions7.32 × 5.86 × 3.97 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.32 mm5.86 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553446315
Side View
Table 62.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 67.8%

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: Nov 6
Current: $9,630 CAD|Low: $4,346 CAD|High: $10,107 CAD|Avg: $6,255 CAD|-4.5%
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
November 6, 2026
Retailer 2$4,346 CAD
Retailer 6$4,590 CAD
Retailer 12$4,930 CAD
Retailer 15$4,930 CAD
Retailer 3$5,079 CAD
Retailer 8$5,410 CAD
Retailer 13$5,500 CAD
Retailer 10$5,813 CAD
Retailer 4$5,981 CAD
Retailer 14$6,120 CAD
Retailer 9$6,348 CAD
Retailer 5$6,358 CAD
Retailer 7$6,369 CAD
Retailer 11$7,047 CAD
MOH London$9,630 CAD

33 data points across 15 retailers

17 retailers$4,346 CAD to $9,630 CAD

A
Cheapest Retailer
-
$4,346 CAD
A
Retailer 2
-
$4,590 CAD
View
Final sale: no returns
A
Retailer 3
-
$4,930 CAD
View
A
Retailer 4
-
$4,930 CAD
View
A
Retailer 5
-
$5,079 CAD
View
A
Retailer 6
-
$5,410 CAD
View
A
Retailer 7
-
$5,500 CAD
View
A
Retailer 8
-
$5,552 CAD
View
A
Retailer 9
-
$5,813 CAD
View
Retailer 10
-
$5,971 CAD
View
Price last confirmed 21 days ago
A
Retailer 11
-
$5,981 CAD
View
A
Retailer 12
-
$6,120 CAD
View
A
Retailer 13
-
$6,348 CAD
View
B+
Retailer 14
-
$6,358 CAD
View
Retailer 15
-
$6,369 CAD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$7,047 CAD
View
Most Expensive
B+
MOH London
490120D5A · Nov 4
$9,630 CAD
£5,391 GBP
View
16 more retailers have this diamond
Prices start from $4,346 CADSave up to $5,284 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
$4,346 CAD