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Cushion|Natural|GIA

1.05ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 2235390877

Certificate GIA 2235390877

Diamond specifications and retailer prices

From $1,924 CAD
$1,377 USD
As of November 1, 2026
Save $2,095 CAD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,018 CAD at MOH London · As of October 26, 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 2235390877. Listed at 12 retailers as of October 26, 2026, with prices from $1,924 to $4,018, a $2,095 spread on the same certified stone. MOH London lists it at $4,018. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2235390877
Dimensions6.08 × 5.45 × 3.74 mm
L/W Ratio1.12
Girdle conditionFaceted
Top View
6.08 mm5.45 mm1.05 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235390877
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.5%

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 1
Current: $4,018 CAD|Low: $1,907 CAD|High: $4,061 CAD|Avg: $2,677 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$1,931 CAD
Retailer 5$2,076 CAD
Retailer 7$2,137 CAD
Retailer 3$2,566 CAD
Retailer 4$2,989 CAD
Retailer 2$3,127 CAD
MOH London$4,018 CAD

44 data points across 7 retailers

12 retailers$1,924 CAD to $4,018 CAD

A
Cheapest Retailer
-
$1,924 CAD
$1,377 USD
A
Retailer 2
-
$1,931 CAD
$1,382 USD
View
A
Retailer 3
-
$1,986 CAD
A$2,187 AUD
View
A
Retailer 4
-
$2,002 CAD
$1,433 USD
View
B+
Retailer 5
-
$2,076 CAD
$1,486 USD
View
B+
Retailer 6
-
$2,137 CAD
$1,530 USD
View
B+
Retailer 7
-
$2,186 CAD
$1,565 USD
View
B+
Retailer 8
-
$2,510 CAD
$1,797 USD
View
B+
Retailer 9
-
$2,566 CAD
£1,447 GBP
View
Retailer 10
-
$2,989 CAD
A$3,292 AUD
View
Price last confirmed 27 days ago
B+
Retailer 11
-
$3,127 CAD
€2,132 EUR
View
Most Expensive
B
MOH London
FFDE4FBC7 · Oct 26
$4,018 CAD
£2,265 GBP
View
11 more retailers have this diamond
Prices start from $1,924 CADSave up to $2,095 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
1.05ct Cushion
$1,924 CAD