Cushion|Natural|GIA

1.21ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1555442161

Certificate GIA 1555442161

Diamond specifications and retailer prices

From $1,241 USD
As of November 6, 2026
Save $1,760 USD (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,001 USD 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 $1,241 to $3,001, a $1,760 spread on the same certified stone. MOH London lists it at $3,001. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,001 USD|Low: $1,241 USD|High: $3,330 USD|Avg: $1,943 USD|-8.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$1,241 USD
Retailer 5$1,542 USD
Retailer 6$1,623 USD
Retailer 7$1,635 USD
Retailer 4$1,725 USD
Retailer 3$2,329 USD
MOH London$3,001 USD

33 data points across 7 retailers

7 retailers$1,241 USD to $3,001 USD

A
Cheapest Retailer
-
$1,241 USD
A
Retailer 2
-
$1,542 USD
View
A
Retailer 3
-
$1,623 USD
View
A
Retailer 4
-
$1,635 USD
View
Final sale: no returns
A
Retailer 5
-
$1,725 USD
View
B+
Retailer 6
-
$2,329 USD
View
Most Expensive
B
MOH London
90FC66B24 · Nov 4
$3,001 USD
£2,363 GBP
View
6 more retailers have this diamond
Prices start from $1,241 USDSave up to $1,760 USD

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
$1,241 USD