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Cushion|Natural|GIA

1.51ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6405967587

Certificate GIA 6405967587

Diamond specifications and retailer prices

From $7,341 CAD
As of November 6, 2026
Save $7,055 CAD (49%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $14,396 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6405967587. Listed at 25 retailers as of November 4, 2026, with prices from $7,341 to $14,396, a $7,055 spread on the same certified stone. MOH London lists it at $14,396. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6405967587
Dimensions6.51 × 6.05 × 4.51 mm
L/W Ratio1.08
Top View
6.51 mm6.05 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6405967587
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 74.6%

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: $14,396 CAD|Low: $7,729 CAD|High: $14,609 CAD|Avg: $9,973 CAD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$7,729 CAD
Retailer 6$7,742 CAD
Retailer 9$7,815 CAD
Retailer 2$9,118 CAD
Retailer 4$9,305 CAD
Retailer 7$9,510 CAD
Retailer 3$10,645 CAD
Retailer 5$11,955 CAD
MOH London$14,396 CAD

34 data points across 9 retailers

25 retailers$7,341 CAD to $14,396 CAD

A
Cheapest Retailer
-
$7,341 CAD
A
Retailer 2
-
$7,655 CAD
View
Retailer 3
-
$7,729 CAD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$7,742 CAD
View
A
Retailer 5
-
$7,815 CAD
View
Final sale: no returns
A
Retailer 6
-
$7,845 CAD
View
A
Retailer 7
-
$8,200 CAD
View
A
Retailer 8
-
$8,257 CAD
View
A
Retailer 9
-
$8,337 CAD
View
Retailer 10
-
$8,877 CAD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$9,118 CAD
View
B+
Retailer 12
-
$9,234 CAD
View
B+
Retailer 13
-
$9,305 CAD
View
B+
Retailer 14
-
$9,362 CAD
View
Retailer 15
-
$9,510 CAD
View
Price last confirmed 16 days ago
B+
Retailer 16
-
$9,874 CAD
View
B+
Retailer 17
-
$9,874 CAD
View
B+
Retailer 18
-
$10,212 CAD
View
B+
Retailer 19
-
$10,645 CAD
View
Retailer 20
-
$10,800 CAD
View
Price last confirmed 15 days ago
B
Retailer 21
-
$11,105 CAD
View
B
Retailer 22
-
$11,225 CAD
View
B+
Retailer 23
-
$11,955 CAD
View
B
Retailer 24
-
$14,204 CAD
View
Most Expensive
B
MOH London
A7CF1D2F7 · Nov 4
$14,396 CAD
£8,059 GBP
View
24 more retailers have this diamond
Prices start from $7,341 CADSave up to $7,055 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
$7,341 CAD