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1.21ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 587305986

Shape and cutting style on the report: Round brilliant

Certificate IGI 587305986

Diamond specifications and retailer prices

From €1,174 EUR
As of November 5, 2026
Save €1,918 EUR (62%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,092 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 587305986. Listed at 12 retailers as of November 5, 2026, with prices from €1,174 to €3,092, a €1,918 spread on the same certified stone. NZ Jewellers lists it at €3,092. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 587305986
Dimensions6.83 × 6.75 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
6.83 mm6.75 mm1.21 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 587305986
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €3,092 EUR|Low: €1,159 EUR|High: €3,092 EUR|Avg: €1,517 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 3€1,173 EUR
Retailer 11€1,174 EUR
Retailer 5€1,257 EUR
Retailer 12€1,267 EUR
Retailer 14€1,267 EUR
Retailer 4€1,304 EUR
Retailer 13€1,326 EUR
Retailer 10€1,463 EUR
Retailer 6€1,488 EUR
Retailer 2€1,507 EUR
Retailer 8€1,652 EUR
Retailer 7€1,753 EUR
Retailer 9€2,322 EUR
NZ Jewellers€3,092 EUR

32 data points across 14 retailers

12 retailers€1,174 EUR to €3,092 EUR

Retailer 1
-
€1,173 EUR
Price last confirmed 43 days ago
A
Retailer 2
-
€1,174 EUR
View
A
Retailer 3
-
€1,267 EUR
View
Retailer 4
-
€1,267 EUR
View
Price last confirmed 8 days ago
Retailer 5
-
€1,304 EUR
View
Price last confirmed 13 days ago
A
Retailer 6
-
€1,326 EUR
View
B+
Retailer 7
-
€1,463 EUR
View
A
Retailer 8
-
€1,507 EUR
View
A
Retailer 9
-
€1,652 EUR
View
B+
Retailer 10
-
€1,753 EUR
View
B+
Retailer 11
-
€2,322 EUR
View
Most Expensive
B
NZ Jewellers
f93b802b-2bdf-48fe-8749-353543e40829 · Nov 5
€3,092 EUR
$3,452 USD
View
11 more retailers have this diamond
Prices start from €1,174 EURSave up to €1,918 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
€1,174 EUR