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Radiant|Natural|HRD

1.00ct I SI2 Radiant Natural Diamond

EX • I/SI2 • HRD 250000177094

Certificate HRD 250000177094

Diamond specifications and retailer prices

From $1,273 AUD
As of November 3, 2026
Save $2,722 AUD (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,995 AUD at NZ Jewellers · As of November 3, 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 250000177094. Listed at 7 retailers as of November 3, 2026, with prices from $1,273 to $3,995, a $2,722 spread on the same certified stone. NZ Jewellers lists it at $3,995. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabHRD
CertificateHRD 250000177094
Dimensions7.15 × 4.62 × 3.23 mm
L/W Ratio1.55
Top View
7.15 mm4.62 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateHRD 250000177094
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 70.5%

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 3
Current: $3,995 AUD|Low: $1,077 AUD|High: $4,093 AUD|Avg: $1,799 AUD|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$1,176 AUD
Retailer 5$1,273 AUD
Retailer 7$1,273 AUD
Retailer 9$1,289 AUD
Retailer 6$1,323 AUD
Retailer 3$1,356 AUD
Retailer 4$1,470 AUD
Retailer 10$1,515 AUD
Retailer 11$2,190 AUD
Retailer 2$2,334 AUD
NZ Jewellers$3,995 AUD

14 data points across 11 retailers

7 retailers$1,273 AUD to $3,995 AUD

Retailer 1
-
$1,273 AUD
Price last confirmed 9 days ago
A
Retailer 2
-
$1,273 AUD
View
A
Retailer 3
-
$1,289 AUD
View
A
Retailer 4
-
$1,323 AUD
View
A
Retailer 5
-
$1,470 AUD
View
A
Retailer 6
-
$2,334 AUD
View
Most Expensive
B
NZ Jewellers
41c1ab89-8fc8-4cd5-b4e8-867210a4b0a6 · Nov 3
$3,995 AUD
$2,745 USD
View
6 more retailers have this diamond
Prices start from $1,273 AUDSave up to $2,722 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
$1,273 AUD