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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 £1,063 GBP
As of November 6, 2026
Save £2,212 GBP (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,275 GBP 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 £1,063 to £3,275, a £2,212 spread on the same certified stone. NZ Jewellers lists it at £3,275. 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: £1,063 GBP|Low: £1,063 GBP|High: £2,380 GBP|Avg: £1,592 GBP|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1£1,063 GBP
Retailer 6£1,239 GBP
Retailer 5£1,422 GBP
Retailer 4£1,481 GBP
Retailer 2£1,824 GBP
Retailer 3£2,346 GBP

44 data points across 6 retailers

13 retailers£1,063 GBP to £3,275 GBP

A
Cheapest Retailer
-
£1,063 GBP
A
Retailer 2
-
£1,224 GBP
View
A
Retailer 3
-
£1,239 GBP
View
Final sale: no returns
Retailer 4
-
£1,343 GBP
View
Price last confirmed 9 days ago
A
Retailer 5
-
£1,343 GBP
View
A
Retailer 6
-
£1,405 GBP
View
A
Retailer 7
-
£1,422 GBP
View
A
Retailer 8
-
£1,445 GBP
View
A
Retailer 9
-
£1,481 GBP
View
A
Retailer 10
-
£1,550 GBP
View
A
Retailer 11
-
£1,824 GBP
View
B+
Retailer 12
-
£2,346 GBP
View
Most Expensive
B
NZ Jewellers
77a5ded3-cb4c-42f1-9875-2bada24586d8 · Nov 5
£3,275 GBP
$4,384 USD
View
12 more retailers have this diamond
Prices start from £1,063 GBPSave up to £2,212 GBP

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
£1,063 GBP