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Oval|Natural|IGI

0.42ct J SI1 Oval Natural Diamond

VG • J/SI1 • IGI 774683591

Shape and cutting style on the report: Oval brilliant

Certificate IGI 774683591

Diamond specifications and retailer prices

From £202 GBP
$270 USD
As of October 31, 2026
Save £713 GBP (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £914 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.42ct natural oval diamond

This 0.42ct natural oval sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 774683591. Listed at 10 retailers as of October 30, 2026, with prices from £202 to £914, a £713 spread on the same certified stone. NZ Jewellers lists it at £914. 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

0.42
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.4°
Pavilion angle36.5°
OriginNatural
Grading LabIGI
CertificateIGI 774683591
Dimensions5.86 × 4.09 × 2.62 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Top View
5.86 mm4.09 mm0.42 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 774683591
Side View
Table 57.0%Crown 38.4°Girdle: MED-THKPavilion 36.5°Culet: NoneDepth 64.1%

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 31
Current: £914 GBP|Low: £202 GBP|High: £968 GBP|Avg: £357 GBP|-5.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4£202 GBP
Retailer 10£209 GBP
Retailer 7£218 GBP
Retailer 8£225 GBP
Retailer 2£246 GBP
Retailer 9£257 GBP
Retailer 6£313 GBP
Retailer 5£339 GBP
Retailer 3£465 GBP
NZ Jewellers£914 GBP

34 data points across 10 retailers

10 retailers£202 GBP to £914 GBP

A
Cheapest Retailer
-
£202 GBP
$270 USD
A
Retailer 2
-
£209 GBP
$280 USD
View
A
Retailer 3
-
£218 GBP
$292 USD
View
A
Retailer 4
-
£225 GBP
$302 USD
View
A
Retailer 5
-
£246 GBP
View
B+
Retailer 6
-
£257 GBP
$345 USD
View
B+
Retailer 7
-
£313 GBP
ZAR 6,772 ZAR
View
B+
Retailer 8
-
£339 GBP
€433 EUR
View
B
Retailer 9
-
£465 GBP
View
Most Expensive
C
NZ Jewellers
f7569ccd-ff62-4869-86dc-99080bc3094a · Oct 30
£914 GBP
$1,225 USD
View
9 more retailers have this diamond
Prices start from £202 GBPSave up to £713 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
0.42ct Oval
£202 GBP