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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 €1,112 EUR
As of November 6, 2026
Save €1,526 EUR (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €2,638 EUR at MOH London · As of November 7, 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 6, 2026, with prices from €1,112 to €2,638, a €1,526 spread on the same certified stone. MOH London lists it at €2,638. 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: €2,638 EUR|Low: €1,112 EUR|High: €2,982 EUR|Avg: €1,738 EUR|-10.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 2€1,112 EUR
Retailer 5€1,381 EUR
Retailer 6€1,454 EUR
Retailer 7€1,464 EUR
Retailer 4€1,545 EUR
Retailer 3€2,086 EUR
MOH London€2,638 EUR

34 data points across 7 retailers

7 retailers€1,112 EUR to €2,638 EUR

A
Cheapest Retailer
-
€1,112 EUR
A
Retailer 2
-
€1,381 EUR
View
A
Retailer 3
-
€1,454 EUR
View
A
Retailer 4
-
€1,464 EUR
View
Final sale: no returns
A
Retailer 5
-
€1,545 EUR
View
B+
Retailer 6
-
€2,086 EUR
View
Most Expensive
B
MOH London
90FC66B24 · Nov 7
€2,638 EUR
£2,319 GBP
View
6 more retailers have this diamond
Prices start from €1,112 EURSave up to €1,526 EUR

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
€1,112 EUR