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Cushion|Natural|GIA

1.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2235954416

Certificate GIA 2235954416

Diamond specifications and retailer prices

From $4,753 CAD
As of November 5, 2026
Save $5,535 CAD (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,288 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct 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 2235954416. Listed at 10 retailers as of November 4, 2026, with prices from $4,753 to $10,288, a $5,535 spread on the same certified stone. MOH London lists it at $10,288. 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

1.51
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.88°
OriginNatural
Grading LabGIA
CertificateGIA 2235954416
Dimensions7.56 × 5.91 × 4.06 mm
L/W Ratio1.28
Key to symbols
Cloud, Needle
Top View
7.56 mm5.91 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235954416
Side View
Table 65.0%CrownGirdle: STK-VTKPavilion 35.88°Culet: NoneDepth 68.7%

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 5
Current: $10,288 CAD|Low: $4,753 CAD|High: $11,249 CAD|Avg: $6,970 CAD|-8.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$4,753 CAD
Retailer 7$5,550 CAD
Retailer 8$5,798 CAD
Retailer 4$6,040 CAD
Retailer 2$6,068 CAD
Retailer 6$6,892 CAD
Retailer 9$7,092 CAD
Retailer 3$7,456 CAD
MOH London$10,288 CAD

34 data points across 9 retailers

10 retailers$4,753 CAD to $10,288 CAD

A
Cheapest Retailer
-
$4,753 CAD
A
Retailer 2
-
$5,550 CAD
View
A
Retailer 3
-
$5,798 CAD
View
A
Retailer 4
-
$6,040 CAD
View
A
Retailer 5
-
$6,068 CAD
View
B+
Retailer 6
-
$6,892 CAD
View
B+
Retailer 7
-
$7,092 CAD
View
Final sale: no returns
B+
Retailer 8
-
$7,165 CAD
View
B+
Retailer 9
-
$7,456 CAD
View
Most Expensive
B
MOH London
0C16BD85B · Nov 4
$10,288 CAD
£5,759 GBP
View
9 more retailers have this diamond
Prices start from $4,753 CADSave up to $5,535 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
1.51ct Cushion
$4,753 CAD