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Radiant|Natural|HRD

1.21ct D SI2 Radiant Natural Diamond

ID • D/SI2 • HRD 210000104145

Shape and cutting style on the report: Radiant

Certificate HRD 210000104145

Diamond specifications and retailer prices

From $7,914 NZD
As of November 4, 2026
Save $6,499 NZD (45%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $14,412 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded D 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 210000104145. Listed at 5 retailers as of November 4, 2026, with prices from $7,914 to $14,412, a $6,499 spread on the same certified stone. MOH London lists it at $14,412. 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
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 210000104145
Dimensions6.47 × 5.39 × 3.69 mm
L/W Ratio1.20
Girdle conditionPolished
Culet sizeNone
Top View
6.47 mm5.39 mm1.21 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 210000104145
Side View
Table 65.0%CrownGirdle: ThickPavilionCulet: 0.0Depth 69.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $14,412 NZD|Low: $7,722 NZD|High: $14,625 NZD|Avg: $9,824 NZD|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$7,858 NZD
Retailer 5$7,914 NZD
Retailer 3$8,164 NZD
Retailer 4$9,074 NZD
Retailer 2$10,210 NZD
Retailer 7$11,108 NZD
MOH London$14,412 NZD

27 data points across 7 retailers

5 retailers$7,914 NZD to $14,412 NZD

B+
Cheapest Retailer
-
$7,914 NZD
B+
Retailer 2
-
$8,164 NZD
View
Retailer 3
-
$9,074 NZD
View
Price last confirmed 9 days ago
B
Retailer 4
-
$10,210 NZD
View
Most Expensive
B
MOH London
1704B527F · Nov 4
$14,412 NZD
£6,291 GBP
View
4 more retailers have this diamond
Prices start from $7,914 NZDSave up to $6,499 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.

B+
1.21ct Radiant
$7,914 NZD