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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 $2,230 NZD
HK$9,800 HKD
As of November 1, 2026
Save $3,119 NZD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,349 NZD at MOH London · As of November 2, 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 1, 2026, with prices from $2,230 to $5,349, a $3,119 spread on the same certified stone. MOH London lists it at $5,349. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,349 NZD|Low: $2,230 NZD|High: $5,921 NZD|Avg: $3,470 NZD|-8.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 5$2,230 NZD
Retailer 3$2,742 NZD
Retailer 4$2,886 NZD
Retailer 7$2,907 NZD
Retailer 6$3,166 NZD
Retailer 2$4,206 NZD
MOH London$5,349 NZD

33 data points across 7 retailers

7 retailers$2,230 NZD to $5,349 NZD

A
Cheapest Retailer
-
$2,230 NZD
HK$9,800 HKD
A
Retailer 2
-
$2,742 NZD
$1,542 USD
View
A
Retailer 3
-
$2,886 NZD
$1,623 USD
View
A
Retailer 4
-
$2,907 NZD
$1,635 USD
View
Final sale: no returns
Retailer 5
-
$3,166 NZD
SGD 2,406 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,206 NZD
€2,253 EUR
View
Most Expensive
B
MOH London
90FC66B24 · Nov 2
$5,349 NZD
£2,369 GBP
View
6 more retailers have this diamond
Prices start from $2,230 NZDSave up to $3,119 NZD

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
$2,230 NZD