Round|Natural|IGI

1.21ct K IF Round Natural Diamond

EX • K/IF • IGI 813663903

Shape and cutting style on the report: Round brilliant

Certificate IGI 813663903

Diamond specifications and retailer prices

From €1,532 EUR
As of November 1, 2026
Save €697 EUR (31%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,301 EUR at NZ Jewellers · As of September 24, 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 K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 813663903. Listed at 14 retailers as of November 1, 2026, with a 45% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 813663903
Dimensions6.80 × 6.83 × 4.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.80 mm6.83 mm1.21 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 813663903
Side View
Table 57.0%Crown 35.5°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 61.9%

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 1
Current: €2,056 EUR|Low: €1,532 EUR|High: €3,127 EUR|Avg: €2,091 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 6€1,563 EUR
Retailer 4€1,590 EUR
Retailer 9€1,774 EUR
Retailer 5€2,002 EUR
Retailer 1€2,056 EUR
Retailer 2€2,203 EUR
Retailer 3€2,228 EUR
Retailer 7€2,512 EUR
Retailer 8€3,105 EUR

36 data points across 9 retailers

14 retailers€1,532 EUR to €2,228 EUR

A
Cheapest Retailer
-
€1,532 EUR
A
Retailer 2
-
€1,563 EUR
View
A
Retailer 3
-
€1,590 EUR
View
Retailer 4
-
€1,764 EUR
View
Price last confirmed 45 days ago
Retailer 5
-
€1,764 EUR
View
Price last confirmed 37 days ago
A
Retailer 6
-
€1,774 EUR
View
A
Retailer 7
-
€2,002 EUR
View
A
Retailer 8
-
€2,038 EUR
View
A
Retailer 9
-
€2,056 EUR
View
A
Retailer 10
-
€2,203 EUR
View
A
Retailer 11
-
€2,228 EUR
View
Retailer 12
-
€2,512 EUR
View
Price last confirmed 12 days ago
Retailer 13
-
€3,105 EUR
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
d551b695-9eec-495c-9d0f-dda8f08e3623 · Sep 24
€4,301 EUR
$4,802 USD
View
Price last confirmed 43 days ago
13 more retailers have this diamond
Prices start from €1,532 EURSave up to €697 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
€1,532 EUR