Oval|Lab Grown|IGI

1.09ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG815649066

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815649066

Diamond specifications and retailer prices

From £301 GBP
As of November 4, 2026
Save £590 GBP (66%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £891 GBP at MOH London · As of November 5, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815649066 or 815649066. Listed at 9 retailers as of November 4, 2026, with prices from £301 to £891, a £590 spread on the same certified stone. MOH London lists it at £891. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815649066
Dimensions8.32 × 5.74 × 3.68 mm
L/W Ratio1.45
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
8.32 mm5.74 mm1.09 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815649066
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.1%

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 4
Current: £891 GBP|Low: £301 GBP|High: £904 GBP|Avg: £501 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 5£301 GBP
Retailer 4£370 GBP
Retailer 6£397 GBP
Retailer 2£418 GBP
Retailer 3£817 GBP
MOH London£891 GBP

44 data points across 6 retailers

9 retailers£301 GBP to £891 GBP

A
Cheapest Retailer
-
£301 GBP
A
Retailer 2
-
£370 GBP
View
A
Retailer 3
-
£397 GBP
View
A
Retailer 4
-
£418 GBP
View
B+
Retailer 5
-
£499 GBP
View
B+
Retailer 6
-
£755 GBP
View
B
Retailer 7
-
£777 GBP
View
B
Retailer 8
-
£817 GBP
View
Most Expensive
B
MOH London
LG815649066 · Nov 5
£891 GBP
View
8 more retailers have this diamond
Prices start from £301 GBPSave up to £590 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
£301 GBP