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Radiant|Natural|GIA

1.21ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 2221947165

Certificate GIA 2221947165

Diamond specifications and retailer prices

From €3,424 EUR
£3,012 GBP
As of November 2, 2026
Save €2,610 EUR (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €6,034 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 I 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 2221947165. Listed at 6 retailers as of October 30, 2026, with prices from €3,424 to €6,034, a €2,610 spread on the same certified stone. NZ Jewellers lists it at €6,034. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle47°
Pavilion angle55.9°
OriginNatural
Grading LabGIA
CertificateGIA 2221947165
Dimensions7.48 × 5.45 × 3.63 mm
L/W Ratio1.37
Girdle conditionPolished
Key to symbols
Feather, Needle, Pinpoint
Top View
7.48 mm5.45 mm1.21 ctI / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2221947165
Side View
Table 67.0%Crown 47°Girdle: 3.2Pavilion 55.9°Culet: NoneDepth 66.6%

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 2
Current: €6,034 EUR|Low: €3,423 EUR|High: €6,034 EUR|Avg: €4,208 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2€3,424 EUR
Retailer 5€3,463 EUR
Retailer 6€3,495 EUR
Retailer 4€3,596 EUR
Retailer 3€5,800 EUR
NZ Jewellers€6,034 EUR

11 data points across 6 retailers

6 retailers€3,424 EUR to €6,034 EUR

B+
Cheapest Retailer
-
€3,424 EUR
£3,012 GBP
B
Retailer 2
-
€3,463 EUR
$3,869 USD
View
B
Retailer 3
-
€3,495 EUR
$3,905 USD
View
B
Retailer 4
-
€3,596 EUR
$4,018 USD
View
B
Retailer 5
-
€5,800 EUR
£5,102 GBP
View
Most Expensive
B
NZ Jewellers
bf434a6d-53a7-4ea6-bba1-ea64f40fe78c · Oct 30
€6,034 EUR
$6,741 USD
View
5 more retailers have this diamond
Prices start from €3,424 EURSave up to €2,610 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 Radiant
€3,424 EUR