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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 $1,590 SGD
As of November 6, 2026
Save $2,256 SGD (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,846 SGD 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 $1,590 to $3,846, a $2,256 spread on the same certified stone. MOH London lists it at $3,846. 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
Colour
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: $3,846 SGD|Low: $1,590 SGD|High: $4,268 SGD|Avg: $2,490 SGD|-8.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$1,590 SGD
Retailer 5$1,976 SGD
Retailer 6$2,080 SGD
Retailer 7$2,095 SGD
Retailer 4$2,211 SGD
Retailer 3$2,985 SGD
MOH London$3,846 SGD

33 data points across 7 retailers

7 retailers$1,590 SGD to $3,846 SGD

A
Cheapest Retailer
-
$1,590 SGD
A
Retailer 2
-
$1,976 SGD
View
A
Retailer 3
-
$2,080 SGD
View
A
Retailer 4
-
$2,095 SGD
View
Final sale: no returns
A
Retailer 5
-
$2,211 SGD
View
B+
Retailer 6
-
$2,985 SGD
View
Most Expensive
B
MOH London
90FC66B24 · Nov 4
$3,846 SGD
£2,363 GBP
View
6 more retailers have this diamond
Prices start from $1,590 SGDSave up to $2,256 SGD

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
$1,590 SGD