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Oval|Natural|IGI

1.21ct J SI2 Oval Natural Diamond

VG • J/SI2 • IGI 713504316

Shape and cutting style on the report: Oval brilliant

Certificate IGI 713504316

Diamond specifications and retailer prices

From £1,012 GBP
As of November 4, 2026
Save £1,662 GBP (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,673 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 very-good cut grade and certified by IGI 713504316. Listed at 15 retailers as of November 4, 2026, with prices from £1,012 to £2,673, a £1,662 spread on the same certified stone. NZ Jewellers lists it at £2,673. 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
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle41°
Pavilion angle38.6°
OriginNatural
Grading LabIGI
CertificateIGI 713504316
Dimensions8.11 × 5.73 × 3.78 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Top View
8.11 mm5.73 mm1.21 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 713504316
Side View
Table 61.0%Crown 41°Girdle: STK-VTKPavilion 38.6°Culet: NoneDepth 66.0%

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 4
Current: £1,092 GBP|Low: £927 GBP|High: £1,942 GBP|Avg: £1,216 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6£1,012 GBP
Retailer 5£1,015 GBP
Retailer 7£1,024 GBP
Retailer 1£1,092 GBP
Retailer 8£1,096 GBP
Retailer 10£1,106 GBP
Retailer 9£1,144 GBP
Retailer 2£1,304 GBP
Retailer 3£1,417 GBP
Retailer 4£1,914 GBP

44 data points across 10 retailers

15 retailers£1,012 GBP to £2,673 GBP

B+
Cheapest Retailer
-
£1,012 GBP
Final sale: no returns
B+
Retailer 2
-
£1,015 GBP
View
B+
Retailer 3
-
£1,024 GBP
View
B+
Retailer 4
-
£1,092 GBP
View
Retailer 5
-
£1,096 GBP
View
Price last confirmed 53 days ago
B+
Retailer 6
-
£1,096 GBP
View
Retailer 7
-
£1,096 GBP
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£1,106 GBP
View
B+
Retailer 9
-
£1,144 GBP
View
B+
Retailer 10
-
£1,147 GBP
View
B+
Retailer 11
-
£1,265 GBP
View
B+
Retailer 12
-
£1,417 GBP
View
B
Retailer 13
-
£1,914 GBP
View
Retailer 14
-
£2,673 GBP
View
Price last confirmed 53 days ago
Most Expensive
C
NZ Jewellers
9aa6db04-443b-45cf-9613-9f4bcaebf1f3 · Nov 5
£2,673 GBP
$3,578 USD
View
14 more retailers have this diamond
Prices start from £1,012 GBPSave up to £1,662 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.

B+
1.21ct Oval
£1,012 GBP