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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 $1,578 NZD
As of November 3, 2026
Save $3,373 NZD (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,952 NZD 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 $1,578 to $4,952, a $3,373 spread on the same certified stone. NZ Jewellers lists it at $4,952. 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: $4,952 NZD|Low: $1,335 NZD|High: $5,073 NZD|Avg: $2,230 NZD|-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$1,458 NZD
Retailer 5$1,578 NZD
Retailer 7$1,578 NZD
Retailer 9$1,598 NZD
Retailer 6$1,640 NZD
Retailer 3$1,681 NZD
Retailer 4$1,822 NZD
Retailer 10$1,878 NZD
Retailer 11$2,715 NZD
Retailer 2$2,893 NZD
NZ Jewellers$4,952 NZD

14 data points across 11 retailers

7 retailers$1,578 NZD to $4,952 NZD

Retailer 1
-
$1,578 NZD
Price last confirmed 9 days ago
A
Retailer 2
-
$1,578 NZD
View
A
Retailer 3
-
$1,598 NZD
View
A
Retailer 4
-
$1,640 NZD
View
A
Retailer 5
-
$1,822 NZD
View
A
Retailer 6
-
$2,893 NZD
View
Most Expensive
B
NZ Jewellers
41c1ab89-8fc8-4cd5-b4e8-867210a4b0a6 · Nov 3
$4,952 NZD
$2,745 USD
View
6 more retailers have this diamond
Prices start from $1,578 NZDSave up to $3,373 NZD

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
$1,578 NZD