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Radiant|Natural|GIA

1.21ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 1528227650

Certificate GIA 1528227650

Diamond specifications and retailer prices

From €2,317 EUR
$2,599 USD
As of November 2, 2026
Save €2,777 EUR (55%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €5,094 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1528227650. Listed at 7 retailers as of October 30, 2026, with prices from €2,317 to €5,094, a €2,777 spread on the same certified stone. NZ Jewellers lists it at €5,094. 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
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle31.98°
OriginNatural
Grading LabGIA
CertificateGIA 1528227650
Dimensions7.28 × 5.44 × 3.46 mm
L/W Ratio1.34
Girdle conditionThick
Key to symbols
Crystal, Feather, Needle
Top View
7.28 mm5.44 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528227650
Side View
Table 71.0%Crown 44.2°Girdle: STK-THKPavilion 31.98°Culet: NoneDepth 63.6%

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 2
Current: €5,094 EUR|Low: €2,317 EUR|High: €6,213 EUR|Avg: €3,439 EUR|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5€2,317 EUR
Retailer 2€2,409 EUR
Retailer 3€2,437 EUR
Retailer 7€2,530 EUR
Retailer 6€2,568 EUR
Retailer 9€2,795 EUR
Retailer 10€2,938 EUR
Retailer 4€4,293 EUR
NZ Jewellers€5,094 EUR
Retailer 8€6,213 EUR

30 data points across 10 retailers

7 retailers€2,317 EUR to €5,094 EUR

A
Cheapest Retailer
-
€2,317 EUR
$2,599 USD
A
Retailer 2
-
€2,409 EUR
£2,128 GBP
View
A
Retailer 3
-
€2,437 EUR
$2,733 USD
View
A
Retailer 4
-
€2,530 EUR
$2,838 USD
View
A
Retailer 5
-
€2,568 EUR
$2,880 USD
View
Retailer 6
-
€4,293 EUR
£3,791 GBP
View
Price last confirmed 13 days ago
Most Expensive
B
NZ Jewellers
e558cb2e-175b-4920-a20e-9eac33ad9c69 · Oct 30
€5,094 EUR
$5,714 USD
View
6 more retailers have this diamond
Prices start from €2,317 EURSave up to €2,777 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 Radiant
€2,317 EUR