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Oval|Lab Grown|IGI

1.09ct F FL Oval Lab Grown Diamond

EX • F/FL • IGI LG805678124

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG805678124

Diamond specifications and retailer prices

From £327 GBP
As of November 3, 2026
Save £1,162 GBP (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,488 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.09ct lab-grown oval diamond

This 1.09ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG805678124 or 805678124. Listed at 21 retailers as of November 1, 2026, with prices from £327 to £1,488, a £1,162 spread on the same certified stone. MOH London lists it at £1,488. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
F
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805678124
Dimensions8.71 × 5.82 × 3.49 mm
L/W Ratio1.50
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
8.71 mm5.82 mm1.09 ctF / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805678124
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.0%

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: Nov 3
Current: £1,488 GBP|Low: £327 GBP|High: £2,062 GBP|Avg: £843 GBP|-27.8%
MOH London
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November 3, 2026
Retailer 16£327 GBP
Retailer 7£365 GBP
Retailer 20£366 GBP
Retailer 3£405 GBP
Retailer 18£405 GBP
Retailer 6£445 GBP
Retailer 8£544 GBP
Retailer 17£544 GBP
Retailer 4£550 GBP
Retailer 5£569 GBP
Retailer 15£643 GBP
Retailer 2£669 GBP
Retailer 13£699 GBP
Retailer 10£1,073 GBP
Retailer 21£1,089 GBP
Retailer 19£1,302 GBP
Retailer 11£1,326 GBP
Retailer 14£1,422 GBP
Retailer 12£1,452 GBP
Retailer 9£1,453 GBP
MOH London£1,488 GBP

37 data points across 21 retailers

21 retailers£327 GBP to £1,488 GBP

A
Cheapest Retailer
-
£327 GBP
A
Retailer 2
-
£365 GBP
View
Final sale: no returns
A
Retailer 3
-
£366 GBP
View
Retailer 4
-
£405 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
£405 GBP
View
A
Retailer 6
-
£445 GBP
View
B+
Retailer 7
-
£544 GBP
View
B+
Retailer 8
-
£544 GBP
View
B+
Retailer 9
-
£550 GBP
View
B+
Retailer 10
-
£569 GBP
View
B+
Retailer 11
-
£643 GBP
View
B+
Retailer 12
-
£669 GBP
View
B+
Retailer 13
-
£699 GBP
View
B
Retailer 14
-
£1,073 GBP
View
B
Retailer 15
-
£1,089 GBP
View
B
Retailer 16
-
£1,302 GBP
View
B
Retailer 17
-
£1,326 GBP
View
Retailer 18
-
£1,422 GBP
View
Price last confirmed 14 days ago
B
Retailer 19
-
£1,452 GBP
View
B
Retailer 20
-
£1,453 GBP
View
Most Expensive
B
MOH London
LG805678124 · Nov 1
£1,488 GBP
View
20 more retailers have this diamond
Prices start from £327 GBPSave up to £1,162 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
1.09ct Oval
£327 GBP