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Oval|Natural|IGI

1.21ct K SI2 Oval Natural Diamond

GD • K/SI2 • IGI 508118603

Shape and cutting style on the report: Oval brilliant

Certificate IGI 508118603

Diamond specifications and retailer prices

From €1,347 EUR
As of November 6, 2026
Save €2,583 EUR (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,930 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI 508118603. Listed at 11 retailers as of November 5, 2026, with prices from €1,347 to €3,930, a €2,583 spread on the same certified stone. NZ Jewellers lists it at €3,930. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
K
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle43.4°
Pavilion angle38.2°
OriginNatural
Grading LabIGI
CertificateIGI 508118603
Dimensions7.89 × 5.98 × 3.76 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Top View
7.89 mm5.98 mm1.21 ctK / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 508118603
Side View
Table 58.0%Crown 43.4°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €3,930 EUR|Low: €1,347 EUR|High: €3,930 EUR|Avg: €2,244 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 2€1,347 EUR
Retailer 8€1,699 EUR
Retailer 7€1,716 EUR
Retailer 5€1,729 EUR
Retailer 9€1,880 EUR
Retailer 6€1,967 EUR
Retailer 10€2,169 EUR
Retailer 3€2,554 EUR
Retailer 4€3,284 EUR
NZ Jewellers€3,930 EUR

41 data points across 10 retailers

11 retailers€1,347 EUR to €3,930 EUR

B+
Cheapest Retailer
-
€1,347 EUR
B+
Retailer 2
-
€1,716 EUR
View
B+
Retailer 3
-
€1,729 EUR
View
Retailer 4
-
€1,880 EUR
View
Price last confirmed 8 days ago
B
Retailer 5
-
€1,880 EUR
View
B
Retailer 6
-
€1,967 EUR
View
B
Retailer 7
-
€2,004 EUR
View
B
Retailer 8
-
€2,169 EUR
View
B
Retailer 9
-
€2,554 EUR
View
C
Retailer 10
-
€3,284 EUR
View
Most Expensive
C
NZ Jewellers
b324f108-aa85-437c-be58-3bc65136f93e · Nov 5
€3,930 EUR
$4,388 USD
View
10 more retailers have this diamond
Prices start from €1,347 EURSave up to €2,583 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.

B+
1.21ct Oval
€1,347 EUR