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Oval|Natural|IGI

1.00ct E I1 Oval Natural Diamond

VG • E/I1 • IGI 743557820

Shape and cutting style on the report: Oval brilliant

Certificate IGI 743557820

Diamond specifications and retailer prices

From £519 GBP
₹65,850 INR
As of October 28, 2026
Save £1,111 GBP (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,630 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 743557820. Listed at 12 retailers as of October 27, 2026, with prices from £519 to £1,630, a £1,111 spread on the same certified stone. NZ Jewellers lists it at £1,630. 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

1.00
Carat
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 743557820
Dimensions8.25 × 5.48 × 3.48 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Top View
8.25 mm5.48 mm1.00 ctE / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743557820
Side View
Table 58.0%Crown 34.9°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 63.5%

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 28
Current: £1,630 GBP|Low: £311 GBP|High: £1,630 GBP|Avg: £675 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 9£519 GBP
Retailer 12£540 GBP
Retailer 10£581 GBP
Retailer 3£600 GBP
Retailer 8£616 GBP
Retailer 4£722 GBP
Retailer 7£931 GBP
Retailer 11£951 GBP
Retailer 2£1,008 GBP
Retailer 5£1,008 GBP
Retailer 6£1,404 GBP
NZ Jewellers£1,630 GBP

35 data points across 12 retailers

12 retailers£519 GBP to £1,630 GBP

A
Cheapest Retailer
-
£519 GBP
₹65,850 INR
A
Retailer 2
-
£540 GBP
$719 USD
View
A
Retailer 3
-
£581 GBP
$774 USD
View
A
Retailer 4
-
£600 GBP
$799 USD
View
B+
Retailer 5
-
£616 GBP
$820 USD
View
B+
Retailer 6
-
£721 GBP
$960 USD
View
B+
Retailer 7
-
£931 GBP
$1,240 USD
View
Final sale: no returns
B+
Retailer 8
-
£951 GBP
$1,267 USD
View
B+
Retailer 9
-
£1,008 GBP
$1,343 USD
View
B+
Retailer 10
-
£1,008 GBP
$1,343 USD
View
B+
Retailer 11
-
£1,404 GBP
€1,781 EUR
View
Most Expensive
B+
NZ Jewellers
4a5e3c35-1042-4b8e-ac73-d70dd7677b42 · Oct 27
£1,630 GBP
$2,171 USD
View
11 more retailers have this diamond
Prices start from £519 GBPSave up to £1,111 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
1.00ct Oval
£519 GBP