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Radiant|Natural|HRD

1.20ct I SI2 Radiant Natural Diamond

I/SI2 • HRD 170003131812

Certificate HRD 170003131812

Diamond specifications and retailer prices

From €2,300 EUR
As of November 5, 2026
Save €2,509 EUR (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,809 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included) and certified by HRD 170003131812. Listed at 6 retailers as of November 5, 2026, with prices from €2,300 to €4,809, a €2,509 spread on the same certified stone. NZ Jewellers lists it at €4,809. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
I
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 170003131812
Dimensions5.89 × 5.76 × 3.96 mm
L/W Ratio1.02
Top View
5.89 mm5.76 mm1.20 ctI / SI2
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 170003131812
Side View
Table 66.0%CrownGirdle: MediumPavilionCulet: NoneDepth 68.8%

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 5
Current: €4,809 EUR|Low: €1,527 EUR|High: €4,809 EUR|Avg: €2,816 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9€1,527 EUR
Retailer 5€2,300 EUR
Retailer 6€2,300 EUR
Retailer 8€2,376 EUR
Retailer 4€2,406 EUR
Retailer 7€2,654 EUR
Retailer 2€2,855 EUR
Retailer 3€4,051 EUR
NZ Jewellers€4,809 EUR

20 data points across 9 retailers

6 retailers€2,300 EUR to €4,809 EUR

B+
Cheapest Retailer
-
€2,300 EUR
B+
Retailer 2
-
€2,406 EUR
View
B
Retailer 3
-
€2,654 EUR
View
B
Retailer 4
-
€2,855 EUR
View
Retailer 5
-
€4,051 EUR
View
Price last confirmed 9 days ago
Most Expensive
C
NZ Jewellers
0f63cc0d-fb3d-4149-b984-9ad3ca416c11 · Nov 5
€4,809 EUR
$5,369 USD
View
5 more retailers have this diamond
Prices start from €2,300 EURSave up to €2,509 EUR

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+
1.20ct Radiant
€2,300 EUR