CaratHunter
Plans
Cushion|Natural|GIA

1.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 7556576837

Certificate GIA 7556576837

Diamond specifications and retailer prices

From $4,194 CAD
As of November 6, 2026
Save $5,291 CAD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,486 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 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 7556576837. Listed at 10 retailers as of November 2, 2026, with prices from $4,194 to $9,486, a $5,291 spread on the same certified stone. MOH London lists it at $9,486. 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 angle35.76°
OriginNatural
Grading LabGIA
CertificateGIA 7556576837
Dimensions7.50 × 5.88 × 4.11 mm
L/W Ratio1.28
Key to symbols
Crystal, Cloud, Feather
Top View
7.50 mm5.88 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556576837
Side View
Table 65.0%CrownGirdle: STK-VTKPavilion 35.76°Culet: NoneDepth 69.8%

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 6
Current: $9,486 CAD|Low: $4,194 CAD|High: $10,043 CAD|Avg: $6,088 CAD|-4.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$4,194 CAD
Retailer 5$4,940 CAD
Retailer 8$5,135 CAD
Retailer 4$5,286 CAD
Retailer 2$5,316 CAD
Retailer 9$5,885 CAD
Retailer 7$6,072 CAD
Retailer 3$6,604 CAD
MOH London$9,486 CAD

34 data points across 9 retailers

10 retailers$4,194 CAD to $9,486 CAD

A
Cheapest Retailer
-
$4,194 CAD
A
Retailer 2
-
$4,940 CAD
View
A
Retailer 3
-
$5,135 CAD
View
A
Retailer 4
-
$5,286 CAD
View
A
Retailer 5
-
$5,316 CAD
View
A
Retailer 6
-
$5,885 CAD
View
Final sale: no returns
A
Retailer 7
-
$6,072 CAD
View
B+
Retailer 8
-
$6,425 CAD
View
A
Retailer 9
-
$6,604 CAD
View
Most Expensive
B+
MOH London
43437E97D · Nov 2
$9,486 CAD
£5,310 GBP
View
9 more retailers have this diamond
Prices start from $4,194 CADSave up to $5,291 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
$4,194 CAD