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Oval|Natural|IGI

1.24ct J SI1 Oval Natural Diamond

VG • J/SI1 • IGI 737544539

Shape and cutting style on the report: Oval brilliant

Certificate IGI 737544539

Diamond specifications and retailer prices

From £925 GBP
As of November 3, 2026
Save £1,074 GBP (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,595 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.24ct natural oval diamond

This 1.24ct natural oval sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 737544539. Listed at 10 retailers as of November 2, 2026, with a 116% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.24
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 737544539
Dimensions7.99 × 5.82 × 3.96 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Top View
7.99 mm5.82 mm1.24 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737544539
Side View
Table 62.0%Crown 45.8°Girdle: THK-VTKPavilion 40.9°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £2,595 GBP|Low: £776 GBP|High: £2,690 GBP|Avg: £1,388 GBP|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 2£925 GBP
Retailer 9£1,053 GBP
Retailer 7£1,064 GBP
Retailer 5£1,112 GBP
Retailer 8£1,151 GBP
Retailer 4£1,194 GBP
Retailer 6£1,525 GBP
Retailer 3£1,999 GBP
NZ Jewellers£2,595 GBP

43 data points across 9 retailers

10 retailers£925 GBP to £1,999 GBP

A
Cheapest Retailer
-
£925 GBP
B+
Retailer 2
-
£1,053 GBP
View
Final sale: no returns
B+
Retailer 3
-
£1,064 GBP
View
B+
Retailer 4
-
£1,112 GBP
View
B+
Retailer 5
-
£1,151 GBP
View
B+
Retailer 6
-
£1,194 GBP
View
B+
Retailer 7
-
£1,237 GBP
View
B+
Retailer 8
-
£1,525 GBP
View
B
Retailer 9
-
£1,999 GBP
View
Most Expensive
NZ Jewellers
a1ae4e53-b462-4f10-a829-292adc2f8b47 · Oct 30
£2,595 GBP
$3,474 USD
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from £925 GBPSave up to £1,074 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
1.24ct Oval
£925 GBP