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Round|Natural|IGI

1.21ct M IF Round Natural Diamond

EX • M/IF • IGI 523201890

Shape and cutting style on the report: Round brilliant

Certificate IGI 523201890

Diamond specifications and retailer prices

From €1,336 EUR
As of November 6, 2026
Save €2,268 EUR (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,604 EUR at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 523201890. Listed at 11 retailers as of November 5, 2026, with prices from €1,336 to €3,604, a €2,268 spread on the same certified stone. NZ Jewellers lists it at €3,604. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
M
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.4°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 523201890
Dimensions6.78 × 6.81 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT Minor graining
Top View
6.78 mm6.81 mm1.21 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 523201890
Side View
Table 58.5%Crown 35.4°GirdlePavilion 40.9°Culet: NoneDepth 62.0%

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 6
Current: €3,604 EUR|Low: €1,335 EUR|High: €3,604 EUR|Avg: €1,816 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2€1,336 EUR
Retailer 6€1,477 EUR
Retailer 10€1,477 EUR
Retailer 3€1,541 EUR
Retailer 8€1,546 EUR
Retailer 11€1,598 EUR
Retailer 9€1,705 EUR
Retailer 5€1,803 EUR
Retailer 4€2,003 EUR
Retailer 7€2,104 EUR
NZ Jewellers€3,604 EUR

37 data points across 11 retailers

11 retailers€1,336 EUR to €3,604 EUR

A
Cheapest Retailer
-
€1,336 EUR
A
Retailer 2
-
€1,369 EUR
View
A
Retailer 3
-
€1,477 EUR
View
A
Retailer 4
-
€1,541 EUR
View
A
Retailer 5
-
€1,546 EUR
View
A
Retailer 6
-
€1,598 EUR
View
A
Retailer 7
-
€1,705 EUR
View
A
Retailer 8
-
€1,803 EUR
View
A
Retailer 9
-
€2,003 EUR
View
B+
Retailer 10
-
€2,104 EUR
View
Most Expensive
B
NZ Jewellers
c7801b19-7fbf-4829-a097-3a750cf755c2 · Nov 5
€3,604 EUR
$4,045 USD
View
10 more retailers have this diamond
Prices start from €1,336 EURSave up to €2,268 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
€1,336 EUR