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Cushion|Natural|GIA

1.21ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1555442161

Certificate GIA 1555442161

Diamond specifications and retailer prices

From $1,746 CAD
As of November 6, 2026
Save $2,476 CAD (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,221 CAD at MOH London · As of November 4, 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555442161. Listed at 7 retailers as of November 4, 2026, with prices from $1,746 to $4,221, a $2,476 spread on the same certified stone. MOH London lists it at $4,221. 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

1.21
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555442161
Dimensions7.10 × 5.50 × 3.84 mm
L/W Ratio1.29
Key to symbols
Crystal, Feather, Needle
Top View
7.10 mm5.50 mm1.21 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555442161
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.7%

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: $4,221 CAD|Low: $1,746 CAD|High: $4,684 CAD|Avg: $2,733 CAD|-8.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$1,746 CAD
Retailer 5$2,169 CAD
Retailer 6$2,283 CAD
Retailer 7$2,300 CAD
Retailer 4$2,426 CAD
Retailer 3$3,276 CAD
MOH London$4,221 CAD

33 data points across 7 retailers

7 retailers$1,746 CAD to $4,221 CAD

A
Cheapest Retailer
-
$1,746 CAD
A
Retailer 2
-
$2,169 CAD
View
A
Retailer 3
-
$2,283 CAD
View
A
Retailer 4
-
$2,300 CAD
View
Final sale: no returns
A
Retailer 5
-
$2,426 CAD
View
B+
Retailer 6
-
$3,276 CAD
View
Most Expensive
B
MOH London
90FC66B24 · Nov 4
$4,221 CAD
£2,363 GBP
View
6 more retailers have this diamond
Prices start from $1,746 CADSave up to $2,476 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
$1,746 CAD