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Radiant|Natural|HRD

1.00ct K SI2 Radiant Natural Diamond

K/SI2 • HRD 11001663005

Certificate HRD 11001663005

Diamond specifications and retailer prices

From €1,962 EUR
As of November 6, 2026
Save €737 EUR (27%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €2,699 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included) and certified by HRD 11001663005. Listed at 2 retailers as of November 4, 2026, with prices from €1,962 to €2,699, a €737 spread on the same certified stone. MOH London lists it at €2,699. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
K
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishGood
SymmetryFair
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 11001663005
Dimensions6.45 × 5.17 × 3.73 mm
L/W Ratio1.25
Girdle conditionPolished
Top View
6.45 mm5.17 mm1.00 ctK / SI2
OriginNatural
PolishGood
SymmetryFair
FluorescenceNone
CertificateHRD 11001663005
Side View
Table 75.0%CrownGirdle: MediumPavilionCulet: NoneDepth 72.1%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 6
Current: €2,699 EUR|Low: €1,920 EUR|High: €2,739 EUR|Avg: €2,334 EUR|-1.3%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 2€1,962 EUR
Retailer 3€2,322 EUR
MOH London€2,699 EUR

22 data points across 3 retailers

2 retailers€1,962 EUR to €2,699 EUR

C
Cheapest Retailer
-
€1,962 EUR
Most Expensive
C
MOH London
CC1668A6E · Nov 4
€2,699 EUR
£2,373 GBP
View
1 more retailer has this diamond
Prices start from €1,962 EURSave up to €737 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.

C
1.00ct Radiant
€1,962 EUR