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Oval|Lab Grown|IGI

1.04ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG598367874

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG598367874

Diamond specifications and retailer prices

From £130 GBP
As of November 5, 2026
Save £621 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £751 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.04ct lab-grown oval diamond

This 1.04ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG598367874 or 598367874. Listed at 12 retailers as of November 5, 2026, with prices from £130 to £751, a £621 spread on the same certified stone. MOH London lists it at £751. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.04
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598367874
Dimensions8.07 × 5.71 × 3.55 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.07 mm5.71 mm1.04 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG598367874
Side View
Table 62.0%Crown 35.9°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £751 GBP|Low: £129 GBP|High: £790 GBP|Avg: £336 GBP|-4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6£130 GBP
Retailer 4£151 GBP
Retailer 11£161 GBP
Retailer 12£161 GBP
Retailer 2£208 GBP
Retailer 9£242 GBP
Retailer 5£285 GBP
Retailer 10£287 GBP
Retailer 7£341 GBP
Retailer 3£518 GBP
Retailer 8£548 GBP
MOH London£751 GBP

43 data points across 12 retailers

12 retailers£130 GBP to £751 GBP

A
Cheapest Retailer
-
£130 GBP
A
Retailer 2
-
£151 GBP
View
Retailer 3
-
£161 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£161 GBP
View
A
Retailer 5
-
£208 GBP
View
A
Retailer 6
-
£242 GBP
View
A
Retailer 7
-
£285 GBP
View
B+
Retailer 8
-
£287 GBP
View
B+
Retailer 9
-
£341 GBP
View
B
Retailer 10
-
£518 GBP
View
B+
Retailer 11
-
£548 GBP
View
Most Expensive
B
MOH London
LG598367874 · Nov 5
£751 GBP
View
11 more retailers have this diamond
Prices start from £130 GBPSave up to £621 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
1.04ct Oval
£130 GBP