CaratHunter
Plans
Radiant|Natural|HRD

1.20ct I SI2 Radiant Natural Diamond

I/SI2 • HRD 170003131812

Certificate HRD 170003131812

Diamond specifications and retailer prices

From €2,299 EUR
$2,568 USD
As of November 1, 2026
Save €2,507 EUR (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,806 EUR at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from €2,299 to €4,806, a €2,507 spread on the same certified stone. NZ Jewellers lists it at €4,806. 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
Color
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 1
Current: €4,806 EUR|Low: €1,527 EUR|High: €4,806 EUR|Avg: €2,804 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 9€1,527 EUR
Retailer 5€2,299 EUR
Retailer 6€2,299 EUR
Retailer 8€2,375 EUR
Retailer 4€2,404 EUR
Retailer 7€2,652 EUR
Retailer 2€2,870 EUR
Retailer 3€4,049 EUR
NZ Jewellers€4,806 EUR

20 data points across 9 retailers

6 retailers€2,299 EUR to €4,806 EUR

B+
Cheapest Retailer
-
€2,299 EUR
$2,568 USD
B+
Retailer 2
-
€2,404 EUR
$2,686 USD
View
B
Retailer 3
-
€2,652 EUR
$2,963 USD
View
B
Retailer 4
-
€2,870 EUR
View
B
Retailer 5
-
€4,049 EUR
£3,562 GBP
View
Most Expensive
C
NZ Jewellers
0f63cc0d-fb3d-4149-b984-9ad3ca416c11 · Oct 30
€4,806 EUR
$5,369 USD
View
5 more retailers have this diamond
Prices start from €2,299 EURSave up to €2,507 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
€2,299 EUR