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Cushion|Natural|GIA

1.21ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 5413846810

Certificate GIA 5413846810

Diamond specifications and retailer prices

From €2,219 EUR
As of November 4, 2026
Save €1,309 EUR (37%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €3,528 EUR at Frank Darling · As of November 6, 2026
View at Frank Darling

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5413846810. Listed at 7 retailers as of November 4, 2026, with prices from €2,219 to €3,528, a €1,309 spread on the same certified stone. Frank Darling lists it at €3,528. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5413846810
Dimensions6.37 × 5.83 × 4.04 mm
L/W Ratio1.09
Top View
6.37 mm5.83 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5413846810
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €3,528 EUR|Low: €2,269 EUR|High: €3,528 EUR|Avg: €3,053 EUR
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3€2,269 EUR
Retailer 5€2,498 EUR
Retailer 6€3,273 EUR
Retailer 4€3,355 EUR
Retailer 2€3,377 EUR
Frank Darling€3,528 EUR

34 data points across 6 retailers

7 retailers€2,219 EUR to €3,528 EUR

B+
Cheapest Retailer
-
€2,219 EUR
B+
Retailer 2
-
€2,269 EUR
View
B+
Retailer 3
-
€2,317 EUR
View
B
Retailer 4
-
€2,372 EUR
View
Retailer 5
-
€2,498 EUR
View
Price last confirmed 62 days ago
B
Retailer 6
-
€3,377 EUR
View
Most Expensive
B
Frank Darling
CU2551MR · Nov 6
€3,528 EUR
$3,939 USD
View
6 more retailers have this diamond
Prices start from €2,219 EURSave up to €1,309 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.

B+
1.21ct Cushion
€2,219 EUR