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Radiant|Natural|HRD

1.00ct I SI2 Radiant Natural Diamond

ID • I/SI2 • HRD 230000075322

Shape and cutting style on the report: Radiant

Certificate HRD 230000075322

Diamond specifications and retailer prices

From $1,517 AUD
As of November 6, 2026
Save $2,493 AUD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,010 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 230000075322. Listed at 8 retailers as of November 5, 2026, with prices from $1,517 to $4,010, a $2,493 spread on the same certified stone. NZ Jewellers lists it at $4,010. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 230000075322
Dimensions6.14 × 5.05 × 3.54 mm
L/W Ratio1.22
Girdle conditionPolished
Culet sizeNone
Top View
6.14 mm5.05 mm1.00 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 230000075322
Side View
Table 64.0%CrownGirdle: MediumPavilionCulet: 0.0Depth 70.0%

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: $4,010 AUD|Low: $1,173 AUD|High: $4,010 AUD|Avg: $2,044 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$1,173 AUD
Retailer 8$1,517 AUD
Retailer 9$1,575 AUD
Retailer 4$1,643 AUD
Retailer 6$1,643 AUD
Retailer 7$1,707 AUD
Retailer 5$1,896 AUD
Retailer 2$2,288 AUD
Retailer 3$3,010 AUD
NZ Jewellers$4,010 AUD

26 data points across 10 retailers

8 retailers$1,517 AUD to $4,010 AUD

A
Cheapest Retailer
-
$1,517 AUD
Final sale: no returns
A
Retailer 2
-
$1,643 AUD
View
Retailer 3
-
$1,643 AUD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$1,707 AUD
View
A
Retailer 5
-
$1,896 AUD
View
A
Retailer 6
-
$2,288 AUD
View
B+
Retailer 7
-
$3,010 AUD
View
Most Expensive
B
NZ Jewellers
eea334f7-8e24-4849-bc71-206ca4c73e93 · Nov 5
$4,010 AUD
$2,755 USD
View
7 more retailers have this diamond
Prices start from $1,517 AUDSave up to $2,493 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
$1,517 AUD