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Oval|Natural|IGI

1.21ct K SI1 Oval Natural Diamond

VG • K/SI1 • IGI 823631655

Shape and cutting style on the report: Oval brilliant

Certificate IGI 823631655

Diamond specifications and retailer prices

From €1,500 EUR
As of November 1, 2026
Save €2,386 EUR (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,886 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 823631655. Listed at 15 retailers as of November 1, 2026, with prices from €1,500 to €3,886, a €2,386 spread on the same certified stone. NZ Jewellers lists it at €3,886. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle36.5°
OriginNatural
Grading LabIGI
CertificateIGI 823631655
Dimensions8.50 × 5.95 × 3.64 mm
L/W Ratio1.43
Girdle conditionFaceted
Top View
8.50 mm5.95 mm1.21 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 823631655
Side View
Table 59.0%Crown 31.4°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 61.2%

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 1
Current: €3,886 EUR|Low: €1,240 EUR|High: €4,139 EUR|Avg: €1,988 EUR|-6.1%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 8€1,240 EUR
Retailer 7€1,500 EUR
Retailer 6€1,549 EUR
Retailer 5€1,684 EUR
Retailer 14€1,700 EUR
Retailer 4€1,742 EUR
Retailer 13€1,758 EUR
Retailer 15€1,762 EUR
Retailer 2€1,820 EUR
Retailer 16€1,861 EUR
Retailer 3€1,944 EUR
Retailer 10€2,062 EUR
Retailer 11€2,290 EUR
Retailer 9€2,489 EUR
Retailer 12€3,279 EUR
NZ Jewellers€3,886 EUR

30 data points across 16 retailers

15 retailers€1,500 EUR to €3,886 EUR

B+
Cheapest Retailer
-
€1,500 EUR
B+
Retailer 2
-
€1,549 EUR
View
B+
Retailer 3
-
€1,684 EUR
View
Retailer 4
-
€1,700 EUR
View
Price last confirmed 9 days ago
B+
Retailer 5
-
€1,742 EUR
View
B+
Retailer 6
-
€1,758 EUR
View
B+
Retailer 7
-
€1,762 EUR
View
B+
Retailer 8
-
€1,820 EUR
View
B+
Retailer 9
-
€1,861 EUR
View
B+
Retailer 10
-
€1,944 EUR
View
B
Retailer 11
-
€2,062 EUR
View
B
Retailer 12
-
€2,290 EUR
View
B
Retailer 13
-
€2,489 EUR
View
C
Retailer 14
-
€3,279 EUR
View
Most Expensive
C
NZ Jewellers
516db6b8-8eac-4ab3-ba15-a0d0fc2de4e0 · Nov 5
€3,886 EUR
$4,339 USD
View
14 more retailers have this diamond
Prices start from €1,500 EURSave up to €2,386 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
€1,500 EUR