Oval|Natural|IGI

1.00ct I I1 Oval Natural Diamond

VG • I/I1 • IGI 689598848

Shape and cutting style on the report: Oval brilliant

Certificate IGI 689598848

Diamond specifications and retailer prices

From £655 GBP
$877 USD
As of October 29, 2026
Save £1,398 GBP (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,052 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 689598848. Listed at 8 retailers as of October 30, 2026, with prices from £655 to £2,052, a £1,398 spread on the same certified stone. NZ Jewellers lists it at £2,052. 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
I
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.7°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 689598848
Dimensions7.35 × 5.67 × 3.65 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
7.35 mm5.67 mm1.00 ctI / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 689598848
Side View
Table 59.0%Crown 37.7°Girdle: THK-VTKPavilion 40.2°Culet: NoneDepth 64.4%

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: Oct 29
Current: £923 GBP|Low: £459 GBP|High: £923 GBP|Avg: £675 GBP|+25.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 4£459 GBP
Retailer 3£662 GBP
Retailer 2£675 GBP
Retailer 1£923 GBP

14 data points across 4 retailers

8 retailers£655 GBP to £2,052 GBP

B+
Cheapest Retailer
-
£655 GBP
$877 USD
B+
Retailer 2
-
£655 GBP
$877 USD
View
B+
Retailer 3
-
£662 GBP
$887 USD
View
B+
Retailer 4
-
£675 GBP
$904 USD
View
B+
Retailer 5
-
£680 GBP
$911 USD
View
B+
Retailer 6
-
£755 GBP
$1,012 USD
View
B+
Retailer 7
-
£923 GBP
€1,178 EUR
View
Most Expensive
C
NZ Jewellers
48659ace-d67e-451b-aa42-eb219f2c6c07 · Oct 30
£2,052 GBP
$2,750 USD
View
7 more retailers have this diamond
Prices start from £655 GBPSave up to £1,398 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+
1.00ct Oval
£655 GBP