Radiant|Natural|GIA

1.21ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 5231852725

Certificate GIA 5231852725

Diamond specifications and retailer prices

From €3,349 EUR
As of November 6, 2026
Save €4,214 EUR (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €7,563 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 5231852725. Listed at 25 retailers as of November 5, 2026, with prices from €3,349 to €7,563, a €4,214 spread on the same certified stone. NZ Jewellers lists it at €7,563. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle55.91°
OriginNatural
Grading LabGIA
CertificateGIA 5231852725
Dimensions7.16 × 5.34 × 3.65 mm
L/W Ratio1.34
Top View
7.16 mm5.34 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231852725
Side View
Table 67.0%CrownGirdle: ThickPavilion 55.91°Culet: NoneDepth 68.4%

Caratlytics Score

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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: €7,563 EUR|Low: €3,274 EUR|High: €7,563 EUR|Avg: €4,886 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
Retailer 15
Retailer 16
November 7, 2026
Retailer 6€3,781 EUR
Retailer 12€4,097 EUR
Retailer 14€4,097 EUR
Retailer 15€4,097 EUR
Retailer 8€4,166 EUR
Retailer 16€4,410 EUR
Retailer 2€4,452 EUR
Retailer 7€4,558 EUR
Retailer 3€4,693 EUR
Retailer 4€4,693 EUR
Retailer 13€4,727 EUR
Retailer 5€4,846 EUR
Retailer 9€5,088 EUR
Retailer 10€5,517 EUR
Retailer 11€7,202 EUR
NZ Jewellers€7,563 EUR

42 data points across 16 retailers

25 retailers€3,349 EUR to €7,563 EUR

B+
Cheapest Retailer
-
€3,349 EUR
B+
Retailer 2
-
€3,571 EUR
View
B+
Retailer 3
-
€3,573 EUR
View
B+
Retailer 4
-
€3,614 EUR
View
B+
Retailer 5
-
€3,737 EUR
View
B+
Retailer 6
-
€3,781 EUR
View
Final sale: no returns
B+
Retailer 7
-
€3,813 EUR
View
B+
Retailer 8
-
€3,874 EUR
View
B+
Retailer 9
-
€4,097 EUR
View
Retailer 10
-
€4,097 EUR
View
Price last confirmed 9 days ago
B+
Retailer 11
-
€4,097 EUR
View
B+
Retailer 12
-
€4,166 EUR
View
B
Retailer 13
-
€4,410 EUR
View
B+
Retailer 14
-
€4,452 EUR
View
Retailer 15
-
€4,558 EUR
View
Price last confirmed 29 days ago
B
Retailer 16
-
€4,661 EUR
View
B
Retailer 17
-
€4,693 EUR
View
B
Retailer 18
-
€4,693 EUR
View
B
Retailer 19
-
€4,727 EUR
View
B
Retailer 20
-
€4,846 EUR
View
Retailer 21
-
€4,992 EUR
View
Price last confirmed 15 days ago
B
Retailer 22
-
€5,088 EUR
View
B
Retailer 23
-
€5,517 EUR
View
B
Retailer 24
-
€7,202 EUR
View
Most Expensive
B
NZ Jewellers
af50deb8-0e02-43d3-920c-832d22555d90 · Nov 5
€7,563 EUR
$8,444 USD
View
24 more retailers have this diamond
Prices start from €3,349 EURSave up to €4,214 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
€3,349 EUR