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Round|Natural|IGI

1.21ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 816643819

Shape and cutting style on the report: Round brilliant

Certificate IGI 816643819

Diamond specifications and retailer prices

From €1,527 EUR
As of November 6, 2026
Save €2,390 EUR (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,917 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 816643819. Listed at 11 retailers as of November 2, 2026, with prices from €1,527 to €3,917, a €2,390 spread on the same certified stone. NZ Jewellers lists it at €3,917. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 816643819
Dimensions6.76 × 6.81 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.76 mm6.81 mm1.21 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 816643819
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°CuletDepth 62.5%

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: €1,527 EUR|Low: €1,527 EUR|High: €3,321 EUR|Avg: €2,213 EUR|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1€1,527 EUR
Retailer 2€1,743 EUR
Retailer 7€1,960 EUR
Retailer 6€2,165 EUR
Retailer 4€2,286 EUR
Retailer 3€2,386 EUR
Retailer 5€3,273 EUR

41 data points across 7 retailers

11 retailers€1,527 EUR to €3,917 EUR

A
Cheapest Retailer
-
€1,527 EUR
A
Retailer 2
-
€1,743 EUR
View
A
Retailer 3
-
€1,874 EUR
View
A
Retailer 4
-
€1,960 EUR
View
B+
Retailer 5
-
€1,997 EUR
View
B+
Retailer 6
-
€2,161 EUR
View
B+
Retailer 7
-
€2,165 EUR
View
B+
Retailer 8
-
€2,286 EUR
View
B+
Retailer 9
-
€2,386 EUR
View
B
Retailer 10
-
€3,273 EUR
View
Most Expensive
B
NZ Jewellers
3c70d52b-20c1-4940-87e6-d516f0da60f4 · Nov 2
€3,917 EUR
$4,396 USD
View
10 more retailers have this diamond
Prices start from €1,527 EURSave up to €2,390 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
€1,527 EUR