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Radiant|Natural|GIA

1.21ct F SI2 Radiant Natural Diamond

ID • F/SI2 • GIA 1538184161

Certificate GIA 1538184161

Diamond specifications and retailer prices

From €2,123 EUR
£1,875 GBP
As of November 2, 2026
Save €2,366 EUR (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,489 EUR at NZ Jewellers · As of November 3, 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 1538184161. Listed at 6 retailers as of November 2, 2026, with prices from €2,123 to €4,489, a €2,366 spread on the same certified stone. NZ Jewellers lists it at €4,489. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle48.74°
Pavilion angle31.51°
OriginNatural
Grading LabGIA
CertificateGIA 1538184161
Dimensions6.70 × 5.29 × 3.63 mm
L/W Ratio1.27
Girdle conditionVery Thick
Key to symbols
Cloud, Crystal, Feather, Cavity, Needle, Indented Natural
Top View
6.70 mm5.29 mm1.21 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1538184161
Side View
Table 66.0%Crown 48.74°Girdle: THK-VTKPavilion 31.51°Culet: NoneDepth 68.7%

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 2
Current: €4,489 EUR|Low: €2,122 EUR|High: €4,523 EUR|Avg: €2,764 EUR|-0.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3€2,123 EUR
Retailer 5€2,147 EUR
Retailer 4€2,246 EUR
Retailer 6€2,274 EUR
Retailer 9€2,374 EUR
Retailer 7€2,504 EUR
Retailer 8€2,671 EUR
Retailer 2€3,762 EUR
NZ Jewellers€4,489 EUR

30 data points across 9 retailers

6 retailers€2,123 EUR to €4,489 EUR

A
Cheapest Retailer
-
€2,123 EUR
£1,875 GBP
A
Retailer 2
-
€2,147 EUR
$2,408 USD
View
A
Retailer 3
-
€2,246 EUR
$2,519 USD
View
A
Retailer 4
-
€2,274 EUR
$2,551 USD
View
B+
Retailer 5
-
€3,762 EUR
£3,322 GBP
View
Most Expensive
B
NZ Jewellers
cc3a81c0-08de-4887-bf65-230260d48f34 · Nov 3
€4,489 EUR
$5,035 USD
View
5 more retailers have this diamond
Prices start from €2,123 EURSave up to €2,366 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
€2,123 EUR