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Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 3515698616

Certificate GIA 3515698616

Diamond specifications and retailer prices

From €3,740 EUR
As of November 5, 2026
Save €4,178 EUR (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €7,919 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 F 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 3515698616. Listed at 19 retailers as of November 5, 2026, with prices from €3,740 to €7,919, a €4,178 spread on the same certified stone. NZ Jewellers lists it at €7,919. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle32.8°
OriginNatural
Grading LabGIA
CertificateGIA 3515698616
Dimensions7.18 × 5.31 × 3.52 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.18 mm5.31 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515698616
Side View
Table 67.0%CrownGirdle: STK-THKPavilion 32.8°Culet: NDepth 66.3%

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 5
Current: €7,919 EUR|Low: €3,992 EUR|High: €7,919 EUR|Avg: €5,196 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 3€3,992 EUR
Retailer 5€4,044 EUR
Retailer 4€4,289 EUR
Retailer 12€4,289 EUR
Retailer 13€4,289 EUR
Retailer 8€4,679 EUR
Retailer 11€4,773 EUR
Retailer 6€5,037 EUR
Retailer 9€5,328 EUR
Retailer 10€5,776 EUR
Retailer 2€5,922 EUR
Retailer 7€7,500 EUR
NZ Jewellers€7,919 EUR

45 data points across 13 retailers

19 retailers€3,740 EUR to €7,919 EUR

B+
Cheapest Retailer
-
€3,740 EUR
B
Retailer 2
-
€3,992 EUR
View
B
Retailer 3
-
€4,044 EUR
View
B
Retailer 4
-
€4,051 EUR
View
B
Retailer 5
-
€4,289 EUR
View
B
Retailer 6
-
€4,289 EUR
View
Retailer 7
-
€4,289 EUR
View
Price last confirmed 9 days ago
B
Retailer 8
-
€4,674 EUR
View
B
Retailer 9
-
€4,679 EUR
View
Retailer 10
-
€4,773 EUR
View
Price last confirmed 29 days ago
B
Retailer 11
-
€4,949 EUR
View
Retailer 12
-
€5,037 EUR
View
Retailer 13
-
€5,225 EUR
View
Price last confirmed 15 days ago
B
Retailer 14
-
€5,328 EUR
View
B
Retailer 15
-
€5,344 EUR
View
B
Retailer 16
-
€5,776 EUR
View
Retailer 17
-
€5,922 EUR
View
B
Retailer 18
-
€7,500 EUR
View
Most Expensive
B
NZ Jewellers
e84a75b7-a070-4130-8530-22d294cb9c05 · Nov 5
€7,919 EUR
$8,841 USD
View
18 more retailers have this diamond
Prices start from €3,740 EURSave up to €4,178 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
€3,740 EUR