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Radiant|Natural|HRD

1.00ct H SI2 Radiant Natural Diamond

ID • H/SI2 • HRD 250000099255

Certificate HRD 250000099255

Diamond specifications and retailer prices

From $1,386 USD
As of October 31, 2026
Save $2,279 USD (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,665 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded H 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 250000099255. Listed at 12 retailers as of October 30, 2026, with prices from $1,386 to $3,665, a $2,279 spread on the same certified stone. NZ Jewellers lists it at $3,665. 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
H
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000099255
Dimensions6.57 × 5.08 × 3.36 mm
L/W Ratio1.29
Girdle conditionPolished
Cert comments
The stone in accordance with the mentioned number has been identified as a natural gem diamond.
Top View
6.57 mm5.08 mm1.00 ctH / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000099255
Side View
Table 65.0%CrownGirdle: MediumPavilionCulet: NoneDepth 66.1%

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: Oct 31
Current: $3,665 USD|Low: $1,056 USD|High: $3,665 USD|Avg: $1,825 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 5$1,056 USD
Retailer 11$1,386 USD
Retailer 4$1,392 USD
Retailer 12$1,502 USD
Retailer 2$1,503 USD
Retailer 9$1,503 USD
Retailer 10$1,572 USD
Retailer 13$1,638 USD
Retailer 8$1,657 USD
Retailer 6$1,734 USD
Retailer 7$2,052 USD
Retailer 3$2,647 USD
NZ Jewellers$3,665 USD

14 data points across 13 retailers

12 retailers$1,386 USD to $3,665 USD

A
Cheapest Retailer
-
$1,386 USD
Final sale: no returns
A
Retailer 2
-
$1,392 USD
View
A
Retailer 3
-
$1,502 USD
View
A
Retailer 4
-
$1,503 USD
View
A
Retailer 5
-
$1,503 USD
View
A
Retailer 6
-
$1,572 USD
View
A
Retailer 7
-
$1,638 USD
View
A
Retailer 8
-
$1,657 USD
£1,305 GBP
View
A
Retailer 9
-
$1,734 USD
View
B+
Retailer 10
-
$2,052 USD
€1,954 EUR
View
B
Retailer 11
-
$2,647 USD
£2,084 GBP
View
Most Expensive
B
NZ Jewellers
dfa72d77-85af-4e2a-ad02-9a4e584b584e · Oct 30
$3,665 USD
View
11 more retailers have this diamond
Prices start from $1,386 USDSave up to $2,279 USD

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
$1,386 USD