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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 $1,121 SGD
As of November 3, 2026
Save $2,397 SGD (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,518 SGD 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 $1,121 to $3,518, a $2,397 spread on the same certified stone. NZ Jewellers lists it at $3,518. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $3,518 SGD|Low: $948 SGD|High: $3,604 SGD|Avg: $1,584 SGD|-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$1,036 SGD
Retailer 5$1,121 SGD
Retailer 7$1,121 SGD
Retailer 9$1,135 SGD
Retailer 6$1,165 SGD
Retailer 3$1,194 SGD
Retailer 4$1,294 SGD
Retailer 10$1,334 SGD
Retailer 11$1,929 SGD
Retailer 2$2,056 SGD
NZ Jewellers$3,518 SGD

14 data points across 11 retailers

7 retailers$1,121 SGD to $3,518 SGD

Retailer 1
-
$1,121 SGD
Price last confirmed 9 days ago
A
Retailer 2
-
$1,121 SGD
View
A
Retailer 3
-
$1,135 SGD
View
A
Retailer 4
-
$1,165 SGD
View
A
Retailer 5
-
$1,294 SGD
View
A
Retailer 6
-
$2,056 SGD
View
Most Expensive
B
NZ Jewellers
41c1ab89-8fc8-4cd5-b4e8-867210a4b0a6 · Nov 3
$3,518 SGD
$2,745 USD
View
6 more retailers have this diamond
Prices start from $1,121 SGDSave up to $2,397 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
$1,121 SGD