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Radiant|Natural|HRD

1.21ct F SI2 Radiant Natural Diamond

EX • F/SI2 • HRD 260000124352

Certificate HRD 260000124352

Diamond specifications and retailer prices

From $2,113 SGD
As of November 3, 2026
Save $3,040 SGD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,153 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000124352. Listed at 5 retailers as of November 3, 2026, with prices from $2,113 to $5,153, a $3,040 spread on the same certified stone. NZ Jewellers lists it at $5,153. 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

1.21
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.75°
Pavilion angle30.94°
OriginNatural
Grading LabHRD
CertificateHRD 260000124352
Dimensions6.80 × 5.24 × 3.65 mm
L/W Ratio1.30
Girdle conditionMedium
Top View
6.80 mm5.24 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000124352
Side View
Table 64.0%Crown 44.75°GirdlePavilion 30.94°Culet: NoneDepth 69.6%

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: $5,153 SGD|Low: $2,113 SGD|High: $5,231 SGD|Avg: $2,964 SGD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$2,113 SGD
Retailer 5$2,127 SGD
Retailer 6$2,163 SGD
Retailer 4$2,211 SGD
Retailer 2$3,700 SGD
NZ Jewellers$5,153 SGD

16 data points across 6 retailers

5 retailers$2,113 SGD to $5,153 SGD

A
Cheapest Retailer
-
$2,113 SGD
A
Retailer 2
-
$2,127 SGD
View
A
Retailer 3
-
$2,211 SGD
View
B+
Retailer 4
-
$3,700 SGD
View
Most Expensive
B
NZ Jewellers
5999e0ca-993a-4aca-bee3-8626bf162bc1 · Nov 3
$5,153 SGD
$4,021 USD
View
4 more retailers have this diamond
Prices start from $2,113 SGDSave up to $3,040 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
1.21ct Radiant
$2,113 SGD