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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 $1,772 SGD
$1,386 USD
As of October 31, 2026
Save $2,913 SGD (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,685 SGD 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 $1,772 to $4,685, a $2,913 spread on the same certified stone. NZ Jewellers lists it at $4,685. 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
Colour
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: $4,685 SGD|Low: $1,349 SGD|High: $4,685 SGD|Avg: $2,333 SGD
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$1,349 SGD
Retailer 11$1,772 SGD
Retailer 4$1,780 SGD
Retailer 12$1,920 SGD
Retailer 2$1,921 SGD
Retailer 9$1,921 SGD
Retailer 10$2,010 SGD
Retailer 13$2,094 SGD
Retailer 8$2,119 SGD
Retailer 6$2,217 SGD
Retailer 7$2,623 SGD
Retailer 3$3,384 SGD
NZ Jewellers$4,685 SGD

14 data points across 13 retailers

12 retailers$1,772 SGD to $4,685 SGD

A
Cheapest Retailer
-
$1,772 SGD
$1,386 USD
Final sale: no returns
A
Retailer 2
-
$1,780 SGD
$1,392 USD
View
A
Retailer 3
-
$1,920 SGD
$1,502 USD
View
A
Retailer 4
-
$1,921 SGD
$1,503 USD
View
A
Retailer 5
-
$1,921 SGD
$1,503 USD
View
A
Retailer 6
-
$2,010 SGD
$1,572 USD
View
A
Retailer 7
-
$2,094 SGD
$1,638 USD
View
A
Retailer 8
-
$2,119 SGD
£1,305 GBP
View
A
Retailer 9
-
$2,217 SGD
$1,734 USD
View
B+
Retailer 10
-
$2,623 SGD
€1,954 EUR
View
B
Retailer 11
-
$3,384 SGD
£2,084 GBP
View
Most Expensive
B
NZ Jewellers
dfa72d77-85af-4e2a-ad02-9a4e584b584e · Oct 30
$4,685 SGD
$3,665 USD
View
11 more retailers have this diamond
Prices start from $1,772 SGDSave up to $2,913 SGD

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
$1,772 SGD