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Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 5526904201

Certificate GIA 5526904201

Diamond specifications and retailer prices

From €3,806 EUR
As of November 5, 2026
Save €4,250 EUR (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €8,056 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 5526904201. Listed at 20 retailers as of November 5, 2026, with prices from €3,806 to €8,056, a €4,250 spread on the same certified stone. NZ Jewellers lists it at €8,056. 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 angle33.5°
OriginNatural
Grading LabGIA
CertificateGIA 5526904201
Dimensions7.12 × 5.27 × 3.52 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.12 mm5.27 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5526904201
Side View
Table 66.0%CrownGirdle: STK-THKPavilion 33.5°Culet: NDepth 66.7%

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 5
Current: €8,056 EUR|Low: €3,357 EUR|High: €8,056 EUR|Avg: €5,176 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
Retailer 14
November 7, 2026
Retailer 12€3,806 EUR
Retailer 13€4,029 EUR
Retailer 6€4,111 EUR
Retailer 3€4,364 EUR
Retailer 4€4,364 EUR
Retailer 5€4,364 EUR
Retailer 9€4,653 EUR
Retailer 14€4,855 EUR
Retailer 7€5,124 EUR
Retailer 10€5,420 EUR
Retailer 11€5,876 EUR
Retailer 2€6,022 EUR
Retailer 8€7,630 EUR
NZ Jewellers€8,056 EUR

45 data points across 14 retailers

20 retailers€3,806 EUR to €8,056 EUR

B+
Cheapest Retailer
-
€3,806 EUR
B
Retailer 2
-
€4,029 EUR
View
Final sale: no returns
B
Retailer 3
-
€4,062 EUR
View
B
Retailer 4
-
€4,090 EUR
View
B
Retailer 5
-
€4,111 EUR
View
B
Retailer 6
-
€4,364 EUR
View
B
Retailer 7
-
€4,364 EUR
View
Retailer 8
-
€4,364 EUR
View
Price last confirmed 9 days ago
B
Retailer 9
-
€4,653 EUR
View
B
Retailer 10
-
€4,755 EUR
View
Retailer 11
-
€4,855 EUR
View
Price last confirmed 29 days ago
B
Retailer 12
-
€5,035 EUR
View
Retailer 13
-
€5,124 EUR
View
Retailer 14
-
€5,316 EUR
View
Price last confirmed 15 days ago
B
Retailer 15
-
€5,420 EUR
View
B
Retailer 16
-
€5,437 EUR
View
B
Retailer 17
-
€5,876 EUR
View
Retailer 18
-
€6,022 EUR
View
B
Retailer 19
-
€7,630 EUR
View
Most Expensive
B
NZ Jewellers
3c3d90cd-a52c-4c09-96da-7034f867374f · Nov 5
€8,056 EUR
$8,994 USD
View
19 more retailers have this diamond
Prices start from €3,806 EURSave up to €4,250 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
€3,806 EUR