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Oval|Natural|IGI

2.50ct J SI1 Oval Natural Diamond

VG • J/SI1 • IGI 685548541

Shape and cutting style on the report: Oval brilliant

Certificate IGI 685548541

Diamond specifications and retailer prices

From £4,211 GBP
$5,642 USD
As of October 30, 2026
Save £6,516 GBP (61%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £10,727 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.5ct natural oval diamond

This 2.5ct natural oval sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 685548541. Listed at 10 retailers as of October 30, 2026, with prices from £4,211 to £10,727, a £6,516 spread on the same certified stone. NZ Jewellers lists it at £10,727. 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

2.50
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle44.1°
Pavilion angle39.6°
OriginNatural
Grading LabIGI
CertificateIGI 685548541
Dimensions10.14 × 7.31 × 4.92 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Top View
10.14 mm7.31 mm2.50 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 685548541
Side View
Table 60.0%Crown 44.1°Girdle: THK-VTKPavilion 39.6°Culet: NoneDepth 67.3%

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: Oct 30
Current: £10,727 GBP|Low: £3,509 GBP|High: £11,788 GBP|Avg: £7,061 GBP|-6.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10£4,211 GBP
Retailer 2£5,679 GBP
Retailer 7£5,900 GBP
Retailer 9£6,056 GBP
Retailer 6£6,190 GBP
Retailer 5£6,523 GBP
Retailer 3£6,698 GBP
Retailer 4£7,034 GBP
Retailer 8£9,330 GBP
NZ Jewellers£10,727 GBP

38 data points across 10 retailers

10 retailers£4,211 GBP to £10,727 GBP

A
Cheapest Retailer
-
£4,211 GBP
$5,642 USD
Final sale: no returns
B+
Retailer 2
-
£5,679 GBP
SGD 10,283 SGD
View
A
Retailer 3
-
£5,900 GBP
$7,905 USD
View
B+
Retailer 4
-
£6,056 GBP
$8,115 USD
View
B+
Retailer 5
-
£6,190 GBP
View
B+
Retailer 6
-
£6,523 GBP
$8,740 USD
View
B+
Retailer 7
-
£6,698 GBP
$8,974 USD
View
B+
Retailer 8
-
£7,034 GBP
€8,976 EUR
View
B+
Retailer 9
-
£9,330 GBP
View
Most Expensive
B
NZ Jewellers
0dcc5cf8-11fb-420b-8b85-4f0118f90d41 · Oct 30
£10,727 GBP
$14,373 USD
View
9 more retailers have this diamond
Prices start from £4,211 GBPSave up to £6,516 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
2.50ct Oval
£4,211 GBP