Radiant|Natural|GIA

1.21ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 07

Certificate GIA 07

Diamond specifications and retailer prices

From €3,338 EUR
As of November 6, 2026
Save €4,314 EUR (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €7,653 EUR at NZ Jewellers · As of November 5, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 10 retailers as of November 5, 2026, with prices from €3,338 to €7,653, a €4,314 spread on the same certified stone. NZ Jewellers lists it at €7,653. 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
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 07
Dimensions6.84 × 5.38 × 3.75 mm
L/W Ratio1.27
Top View
6.84 mm5.38 mm1.21 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 07
Side View
Table 69.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.7%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: €7,653 EUR|Low: €3,338 EUR|High: €7,653 EUR|Avg: €4,334 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 5€3,338 EUR
Retailer 9€3,510 EUR
Retailer 2€3,941 EUR
Retailer 4€3,979 EUR
Retailer 6€3,979 EUR
Retailer 8€4,107 EUR
Retailer 7€4,146 EUR
Retailer 3€4,547 EUR
NZ Jewellers€7,653 EUR

6 data points across 9 retailers

10 retailers€3,338 EUR to €7,653 EUR

B+
Cheapest Retailer
-
€3,338 EUR
B+
Retailer 2
-
€3,510 EUR
View
B+
Retailer 3
-
€3,941 EUR
View
Retailer 4
-
€3,979 EUR
View
Price last confirmed 9 days ago
B+
Retailer 5
-
€3,979 EUR
View
B+
Retailer 6
-
€4,107 EUR
View
B+
Retailer 7
-
€4,146 EUR
View
B
Retailer 8
-
€4,547 EUR
View
Retailer 9
-
€4,591 EUR
View
Price last confirmed 53 days ago
Most Expensive
B
NZ Jewellers
194177cb-0a30-490e-840c-199ec22db9f4 · Nov 5
€7,653 EUR
$8,544 USD
View
9 more retailers have this diamond
Prices start from €3,338 EURSave up to €4,314 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
€3,338 EUR