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Cushion|Natural|GIA

1.51ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 5232980438

Certificate GIA 5232980438

Diamond specifications and retailer prices

From $3,763 CAD
As of November 6, 2026
Save $4,767 CAD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,530 CAD at MOH London · As of November 2, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232980438. Listed at 9 retailers as of November 2, 2026, with prices from $3,763 to $8,530, a $4,767 spread on the same certified stone. MOH London lists it at $8,530. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.74°
OriginNatural
Grading LabGIA
CertificateGIA 5232980438
Dimensions7.72 × 6.02 × 4.18 mm
L/W Ratio1.28
Key to symbols
Feather, Crystal, Needle
Top View
7.72 mm6.02 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232980438
Side View
Table 68.0%CrownGirdle: STK-VTKPavilion 37.74°Culet: NoneDepth 69.5%

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 6
Current: $8,530 CAD|Low: $3,763 CAD|High: $9,423 CAD|Avg: $5,634 CAD|-9.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$3,763 CAD
Retailer 6$4,612 CAD
Retailer 2$4,872 CAD
Retailer 8$5,140 CAD
Retailer 4$5,161 CAD
Retailer 7$5,487 CAD
Retailer 3$5,972 CAD
MOH London$8,530 CAD

43 data points across 8 retailers

9 retailers$3,763 CAD to $8,530 CAD

A
Cheapest Retailer
-
$3,763 CAD
A
Retailer 2
-
$4,612 CAD
View
A
Retailer 3
-
$4,872 CAD
View
A
Retailer 4
-
$5,140 CAD
View
Final sale: no returns
A
Retailer 5
-
$5,161 CAD
View
A
Retailer 6
-
$5,487 CAD
View
A
Retailer 7
-
$5,621 CAD
View
A
Retailer 8
-
$5,972 CAD
View
Most Expensive
B
MOH London
7D35C0DB1 · Nov 2
$8,530 CAD
£4,775 GBP
View
8 more retailers have this diamond
Prices start from $3,763 CADSave up to $4,767 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
$3,763 CAD