CaratHunter
Plans
Cushion|Natural|GIA

1.05ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 5182654799

Certificate GIA 5182654799

Diamond specifications and retailer prices

From $3,404 CAD
$2,437 USD
As of November 1, 2026
Save $3,614 CAD (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,018 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded J 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 5182654799. Listed at 11 retailers as of November 1, 2026, with prices from $3,404 to $7,018, a $3,614 spread on the same certified stone. MOH London lists it at $7,018. 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

1.05
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5182654799
Dimensions5.92 × 5.91 × 4.09 mm
L/W Ratio1.00
Top View
5.92 mm5.91 mm1.05 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5182654799
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NDepth 69.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,018 CAD|Low: $3,744 CAD|High: $7,103 CAD|Avg: $4,803 CAD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7$3,744 CAD
Retailer 6$3,802 CAD
Retailer 5$4,483 CAD
Retailer 3$4,487 CAD
Retailer 2$4,912 CAD
Retailer 4$5,159 CAD
MOH London$7,018 CAD

44 data points across 7 retailers

11 retailers$3,404 CAD to $7,018 CAD

B
Cheapest Retailer
-
$3,404 CAD
$2,437 USD
B
Retailer 2
-
$3,744 CAD
$2,680 USD
View
B
Retailer 3
-
$3,802 CAD
$2,722 USD
View
B
Retailer 4
-
$4,311 CAD
$3,086 USD
View
B
Retailer 5
-
$4,343 CAD
$3,109 USD
View
Retailer 6
-
$4,483 CAD
A$4,938 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$4,487 CAD
£2,529 GBP
View
Retailer 8
-
$4,871 CAD
$3,487 USD
View
Price last confirmed 10 days ago
B
Retailer 9
-
$4,912 CAD
€3,349 EUR
View
B
Retailer 10
-
$5,159 CAD
ZAR 59,659 ZAR
View
Most Expensive
B
MOH London
BC771DE4D · Nov 1
$7,018 CAD
£3,956 GBP
View
10 more retailers have this diamond
Prices start from $3,404 CADSave up to $3,614 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.

B
1.05ct Cushion
$3,404 CAD