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Oval|Lab Grown|IGI

1.09ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG825649741

Shape and cutting style on the report: Oval polygon step cut

Certificate IGI LG825649741

Diamond specifications and retailer prices

From £355 GBP
€453 EUR
As of October 31, 2026
Save £516 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £871 GBP at MOH London · As of October 29, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825649741 or 825649741. Listed at 5 retailers as of October 29, 2026, with prices from £355 to £871, a £516 spread on the same certified stone. MOH London lists it at £871. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825649741
Dimensions8.16 × 5.44 × 3.17 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.16 mm5.44 mm1.09 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825649741
Side View
Table 70.0%Crown 35.4°Girdle: Slightly ThickPavilion 42°CuletDepth 58.3%

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: £871 GBP|Low: £353 GBP|High: £871 GBP|Avg: £654 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2£355 GBP
Retailer 3£569 GBP
Retailer 4£724 GBP
Retailer 5£813 GBP
MOH London£871 GBP

8 data points across 5 retailers

5 retailers£355 GBP to £871 GBP

A
Cheapest Retailer
-
£355 GBP
€453 EUR
B
Retailer 2
-
£569 GBP
$763 USD
View
B
Retailer 3
-
£724 GBP
$970 USD
View
B
Retailer 4
-
£813 GBP
$1,089 USD
View
Most Expensive
B
MOH London
LG825649741 · Oct 29
£871 GBP
View
4 more retailers have this diamond
Prices start from £355 GBPSave up to £516 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
£355 GBP