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Radiant|Natural|GIA

1.21ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 2546545145

Certificate GIA 2546545145

Diamond specifications and retailer prices

From €3,376 EUR
As of November 2, 2026
Save €2,655 EUR (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €6,030 EUR at NZ Jewellers · As of November 3, 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 D 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 2546545145. Listed at 9 retailers as of November 2, 2026, with prices from €3,376 to €6,030, a €2,655 spread on the same certified stone. NZ Jewellers lists it at €6,030. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.86°
Pavilion angle30.58°
OriginNatural
Grading LabGIA
CertificateGIA 2546545145
Dimensions6.73 × 5.27 × 3.61 mm
L/W Ratio1.28
Top View
6.73 mm5.27 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546545145
Side View
Table 65.0%Crown 44.86°Girdle: Thick to Very ThickPavilion 30.58°Culet: NDepth 68.6%

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: €6,030 EUR|Low: €3,309 EUR|High: €6,061 EUR|Avg: €4,079 EUR|-0.5%
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 8€3,376 EUR
Retailer 2€3,462 EUR
Retailer 10€3,462 EUR
Retailer 12€3,592 EUR
Retailer 6€3,594 EUR
Retailer 11€3,707 EUR
Retailer 13€3,807 EUR
Retailer 3€3,829 EUR
Retailer 7€3,902 EUR
Retailer 4€3,959 EUR
Retailer 5€4,013 EUR
Retailer 9€5,789 EUR
NZ Jewellers€6,030 EUR

36 data points across 13 retailers

9 retailers€3,376 EUR to €6,030 EUR

B+
Cheapest Retailer
-
€3,376 EUR
B+
Retailer 2
-
€3,462 EUR
View
B+
Retailer 3
-
€3,462 EUR
View
B+
Retailer 4
-
€3,592 EUR
View
B+
Retailer 5
-
€3,594 EUR
View
Retailer 6
-
€3,707 EUR
View
Price last confirmed 30 days ago
B+
Retailer 7
-
€3,902 EUR
View
B
Retailer 8
-
€5,789 EUR
View
Most Expensive
B
NZ Jewellers
9b8fbcd2-e172-42d0-aa3f-7ebb04cf6ed0 · Nov 3
€6,030 EUR
$6,733 USD
View
8 more retailers have this diamond
Prices start from €3,376 EURSave up to €2,655 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
€3,376 EUR