Oval|Lab Grown|IGI

1.04ct F IF Oval Lab Grown Diamond

EX • F/IF • IGI LG812615692

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG812615692

Diamond specifications and retailer prices

From £303 GBP
As of October 31, 2026
Save £764 GBP (72%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,067 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812615692 or 812615692. Listed at 12 retailers as of October 31, 2026, with prices from £303 to £1,067, a £764 spread on the same certified stone. Brilliant Earth lists it at £1,067. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812615692
Dimensions8.26 × 5.76 × 3.60 mm
L/W Ratio1.43
Girdle conditionFaceted
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
8.26 mm5.76 mm1.04 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812615692
Side View
Table 57.0%Crown 32.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
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: Oct 31
Current: £1,067 GBP|Low: £290 GBP|High: £1,067 GBP|Avg: £517 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 7£303 GBP
Retailer 10£319 GBP
Retailer 2£332 GBP
Retailer 6£384 GBP
Retailer 9£415 GBP
Retailer 8£449 GBP
Retailer 4£487 GBP
Retailer 11£628 GBP
Retailer 3£699 GBP
Retailer 5£856 GBP
Brilliant Earth£1,067 GBP

44 data points across 11 retailers

12 retailers£303 GBP to £1,067 GBP

A
Cheapest Retailer
-
£303 GBP
A
Retailer 2
-
£319 GBP
View
A
Retailer 3
-
£332 GBP
View
A
Retailer 4
-
£384 GBP
View
A
Retailer 5
-
£415 GBP
View
A
Retailer 6
-
£449 GBP
View
B+
Retailer 7
-
£487 GBP
View
B+
Retailer 8
-
£628 GBP
View
Retailer 9
-
£699 GBP
View
Price last confirmed 10 days ago
Retailer 10
-
£804 GBP
View
Price last confirmed 100 days ago
B
Retailer 11
-
£856 GBP
View
Most Expensive
B
Brilliant Earth
21001971A · Nov 4
£1,067 GBP
$1,440 USD
View
11 more retailers have this diamond
Prices start from £303 GBPSave up to £764 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
£303 GBP