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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 $2,071 AUD
As of November 6, 2026
Save $4,309 AUD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,380 AUD 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 $2,071 to $6,380, a $4,309 spread on the same certified stone. NZ Jewellers lists it at $6,380. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,071 AUD|Low: $2,071 AUD|High: $4,637 AUD|Avg: $3,101 AUD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$2,071 AUD
Retailer 6$2,413 AUD
Retailer 5$2,770 AUD
Retailer 4$2,885 AUD
Retailer 2$3,553 AUD
Retailer 3$4,570 AUD

44 data points across 6 retailers

13 retailers$2,071 AUD to $6,380 AUD

A
Cheapest Retailer
-
$2,071 AUD
A
Retailer 2
-
$2,384 AUD
View
A
Retailer 3
-
$2,413 AUD
View
Final sale: no returns
Retailer 4
-
$2,615 AUD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$2,615 AUD
View
A
Retailer 6
-
$2,736 AUD
View
A
Retailer 7
-
$2,770 AUD
View
A
Retailer 8
-
$2,815 AUD
View
A
Retailer 9
-
$2,885 AUD
View
A
Retailer 10
-
$3,018 AUD
View
A
Retailer 11
-
$3,553 AUD
View
B+
Retailer 12
-
$4,570 AUD
View
Most Expensive
B
NZ Jewellers
77a5ded3-cb4c-42f1-9875-2bada24586d8 · Nov 5
$6,380 AUD
$4,384 USD
View
12 more retailers have this diamond
Prices start from $2,071 AUDSave up to $4,309 AUD

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
$2,071 AUD