CaratHunter
Plans
Round|Natural|HRD

1.21ct F SI2 Round Natural Diamond

EX • F/SI2 • HRD 240000199388

Certificate HRD 240000199388

Diamond specifications and retailer prices

From €1,785 EUR
As of November 4, 2026
Save €2,346 EUR (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,131 EUR at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 240000199388. Listed at 14 retailers as of November 2, 2026, with prices from €1,785 to €4,131, a €2,346 spread on the same certified stone. NZ Jewellers lists it at €4,131. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.2°
Pavilion angle41.4°
OriginNatural
Grading LabHRD
CertificateHRD 240000199388
Dimensions6.75 × 6.71 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
The stone in accordance with the mentioned number has been identified as a natural gem diamond.
Top View
6.75 mm6.71 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateHRD 240000199388
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 41.4°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €4,131 EUR|Low: €1,671 EUR|High: €4,131 EUR|Avg: €2,384 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4€1,785 EUR
Retailer 5€1,823 EUR
Retailer 7€1,882 EUR
Retailer 8€1,976 EUR
Retailer 10€1,976 EUR
Retailer 6€2,067 EUR
Retailer 9€2,279 EUR
Retailer 2€2,462 EUR
Retailer 3€3,452 EUR
NZ Jewellers€4,131 EUR

27 data points across 10 retailers

14 retailers€1,785 EUR to €4,131 EUR

A
Cheapest Retailer
-
€1,785 EUR
A
Retailer 2
-
€1,823 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,882 EUR
View
Retailer 4
-
€1,976 EUR
View
Price last confirmed 54 days ago
Retailer 5
-
€1,976 EUR
View
Price last confirmed 26 days ago
A
Retailer 6
-
€1,976 EUR
View
A
Retailer 7
-
€2,067 EUR
View
Retailer 8
-
€2,279 EUR
View
Price last confirmed 54 days ago
A
Retailer 9
-
€2,279 EUR
View
A
Retailer 10
-
€2,462 EUR
View
B+
Retailer 11
-
€3,452 EUR
View
B
Retailer 12
-
€3,879 EUR
View
Retailer 13
-
€4,131 EUR
View
Price last confirmed 53 days ago
Most Expensive
B
NZ Jewellers
3400ff51-b38b-445a-a925-c9e3f6b5b1aa · Nov 2
€4,131 EUR
$4,612 USD
View
13 more retailers have this diamond
Prices start from €1,785 EURSave up to €2,346 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.

A
1.21ct Round
€1,785 EUR