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Oval|Natural|IGI

1.21ct J SI2 Oval Natural Diamond

EX • J/SI2 • IGI 731572279

Shape and cutting style on the report: Oval brilliant

Certificate IGI 731572279

Diamond specifications and retailer prices

From £874 GBP
As of November 6, 2026
Save £1,990 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,864 GBP 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 731572279. Listed at 14 retailers as of November 5, 2026, with prices from £874 to £2,864, a £1,990 spread on the same certified stone. NZ Jewellers lists it at £2,864. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.3°
Pavilion angle39.5°
OriginNatural
Grading LabIGI
CertificateIGI 731572279
Dimensions8.33 × 5.94 × 3.76 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Top View
8.33 mm5.94 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 731572279
Side View
Table 58.0%Crown 37.3°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
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 6
Current: £2,864 GBP|Low: £835 GBP|High: £2,885 GBP|Avg: £1,274 GBP|-0.7%
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
November 6, 2026
Retailer 6£874 GBP
Retailer 2£1,089 GBP
Retailer 4£1,115 GBP
Retailer 7£1,170 GBP
Retailer 10£1,174 GBP
Retailer 5£1,180 GBP
Retailer 3£1,229 GBP
Retailer 12£1,238 GBP
Retailer 8£1,276 GBP
Retailer 9£1,355 GBP
Retailer 13£1,551 GBP
Retailer 11£2,067 GBP
NZ Jewellers£2,864 GBP

45 data points across 13 retailers

14 retailers£874 GBP to £2,864 GBP

A
Cheapest Retailer
-
£874 GBP
A
Retailer 2
-
£1,089 GBP
View
Retailer 3
-
£1,115 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£1,163 GBP
View
A
Retailer 5
-
£1,170 GBP
View
A
Retailer 6
-
£1,174 GBP
View
B+
Retailer 7
-
£1,180 GBP
View
B+
Retailer 8
-
£1,229 GBP
View
B+
Retailer 9
-
£1,238 GBP
View
B+
Retailer 10
-
£1,276 GBP
View
B+
Retailer 11
-
£1,355 GBP
View
B+
Retailer 12
-
£1,551 GBP
View
B
Retailer 13
-
£2,067 GBP
View
Most Expensive
B
NZ Jewellers
7b9e4469-93ea-45f1-b4d4-7fdcf99e0cc0 · Nov 5
£2,864 GBP
$3,834 USD
View
13 more retailers have this diamond
Prices start from £874 GBPSave up to £1,990 GBP

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 Oval
£874 GBP