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Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 6555086321

Certificate GIA 6555086321

Diamond specifications and retailer prices

From $4,576 CAD
As of November 4, 2026
Save $3,987 CAD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,563 CAD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded G 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 6555086321. Listed at 15 retailers as of November 4, 2026, with prices from $4,576 to $8,563, a $3,987 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,563. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555086321
Dimensions6.90 × 6.15 × 4.22 mm
L/W Ratio1.12
Top View
6.90 mm6.15 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555086321
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.7%

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 4
Current: $7,143 CAD|Low: $4,576 CAD|High: $9,057 CAD|Avg: $6,061 CAD|-7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 6, 2026
Retailer 8$4,576 CAD
Retailer 10$4,652 CAD
Retailer 6$4,687 CAD
Retailer 13$4,806 CAD
Retailer 9$4,889 CAD
Retailer 5$4,996 CAD
Retailer 7$5,287 CAD
Retailer 11$5,739 CAD
Retailer 2$5,833 CAD
Retailer 3$5,912 CAD
Retailer 1$7,143 CAD
Retailer 12$7,717 CAD
Retailer 4$8,202 CAD
Wholesale Diamonds Direct$8,563 CAD

29 data points across 14 retailers

15 retailers$4,576 CAD to $8,563 CAD

A
Cheapest Retailer
-
$4,576 CAD
A
Retailer 2
-
$4,652 CAD
View
A
Retailer 3
-
$4,687 CAD
View
A
Retailer 4
-
$4,806 CAD
View
A
Retailer 5
-
$4,889 CAD
View
A
Retailer 6
-
$4,996 CAD
View
A
Retailer 7
-
$5,287 CAD
View
A
Retailer 8
-
$5,739 CAD
View
A
Retailer 9
-
$5,833 CAD
View
A
Retailer 10
-
$5,912 CAD
View
A
Retailer 11
-
$5,961 CAD
View
A
Retailer 12
-
$7,143 CAD
View
A
Retailer 13
-
$7,717 CAD
View
B+
Retailer 14
-
$8,202 CAD
View
Most Expensive
B+
Wholesale Diamonds Direct
444917161 · Nov 6
$8,563 CAD
$6,087 USD
View
14 more retailers have this diamond
Prices start from $4,576 CADSave up to $3,987 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
$4,576 CAD