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Cushion|Natural|GIA

1.21ct J SI1 Cushion Natural Diamond

VG • J/SI1 • GIA 3435760109

Certificate GIA 3435760109

Diamond specifications and retailer prices

From $1,957 CAD
$1,401 USD
As of October 31, 2026
Save $2,143 CAD (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,100 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 3435760109. Listed at 14 retailers as of October 31, 2026, with prices from $1,957 to $4,100, a $2,143 spread on the same certified stone. MOH London lists it at $4,100. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
J
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3435760109
Dimensions5.81 × 5.71 × 4.00 mm
L/W Ratio1.02
Top View
5.81 mm5.71 mm1.21 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3435760109
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.1%

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: Oct 31
Current: $4,100 CAD|Low: $1,630 CAD|High: $4,148 CAD|Avg: $2,621 CAD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6$1,957 CAD
Retailer 5$1,977 CAD
Retailer 2$2,282 CAD
Retailer 8$2,358 CAD
Retailer 3$2,622 CAD
Retailer 4$2,856 CAD
Retailer 7$3,053 CAD
MOH London$4,100 CAD

39 data points across 8 retailers

14 retailers$1,957 CAD to $4,100 CAD

A
Cheapest Retailer
-
$1,957 CAD
$1,401 USD
Final sale: no returns
A
Retailer 2
-
$1,965 CAD
$1,407 USD
View
A
Retailer 3
-
$1,977 CAD
$1,415 USD
View
B+
Retailer 4
-
$2,238 CAD
$1,602 USD
View
B+
Retailer 5
-
$2,242 CAD
$1,605 USD
View
A
Retailer 6
-
$2,282 CAD
£1,286 GBP
View
B+
Retailer 7
-
$2,358 CAD
$1,688 USD
View
B+
Retailer 8
-
$2,500 CAD
$1,790 USD
View
B+
Retailer 9
-
$2,500 CAD
$1,790 USD
View
B+
Retailer 10
-
$2,584 CAD
$1,850 USD
View
B+
Retailer 11
-
$2,622 CAD
£1,478 GBP
View
B+
Retailer 12
-
$2,856 CAD
ZAR 33,028 ZAR
View
Retailer 13
-
$3,053 CAD
A$3,362 AUD
View
Price last confirmed 26 days ago
Most Expensive
B
MOH London
8D42DC9CD · Nov 1
$4,100 CAD
£2,311 GBP
View
13 more retailers have this diamond
Prices start from $1,957 CADSave up to $2,143 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
1.21ct Cushion
$1,957 CAD