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Radiant|Natural|HRD

1.00ct D SI2 Radiant Natural Diamond

ID • D/SI2 • HRD 260000115228

Certificate HRD 260000115228

Diamond specifications and retailer prices

From €1,275 EUR
As of November 6, 2026
Save €2,652 EUR (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,927 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000115228. Listed at 13 retailers as of November 5, 2026, with prices from €1,275 to €3,927, a €2,652 spread on the same certified stone. NZ Jewellers lists it at €3,927. 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

1.00
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle52.02°
Pavilion angle63.9°
OriginNatural
Grading LabHRD
CertificateHRD 260000115228
Dimensions6.41 × 5.01 × 3.49 mm
L/W Ratio1.28
Top View
6.41 mm5.01 mm1.00 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000115228
Side View
Table 68.0%Crown 52.02°GirdlePavilion 63.9°CuletDepth 69.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €1,275 EUR|Low: €1,275 EUR|High: €2,854 EUR|Avg: €1,909 EUR|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1€1,275 EUR
Retailer 6€1,485 EUR
Retailer 5€1,704 EUR
Retailer 4€1,775 EUR
Retailer 2€2,186 EUR
Retailer 3€2,812 EUR

44 data points across 6 retailers

13 retailers€1,275 EUR to €3,927 EUR

A
Cheapest Retailer
-
€1,275 EUR
A
Retailer 2
-
€1,467 EUR
View
A
Retailer 3
-
€1,485 EUR
View
Final sale: no returns
Retailer 4
-
€1,610 EUR
View
Price last confirmed 9 days ago
A
Retailer 5
-
€1,610 EUR
View
A
Retailer 6
-
€1,684 EUR
View
A
Retailer 7
-
€1,704 EUR
View
A
Retailer 8
-
€1,732 EUR
View
A
Retailer 9
-
€1,775 EUR
View
A
Retailer 10
-
€1,858 EUR
View
A
Retailer 11
-
€2,186 EUR
View
B+
Retailer 12
-
€2,812 EUR
View
Most Expensive
B
NZ Jewellers
77a5ded3-cb4c-42f1-9875-2bada24586d8 · Nov 5
€3,927 EUR
$4,384 USD
View
12 more retailers have this diamond
Prices start from €1,275 EURSave up to €2,652 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.

A
1.00ct Radiant
€1,275 EUR