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Oval|Lab Grown|IGI

1.09ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG778628747

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778628747

Diamond specifications and retailer prices

From £193 GBP
$258 USD
As of October 28, 2026
Save £304 GBP (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £678 GBP at MOH London · As of October 12, 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 LG778628747 or 778628747. Listed at 6 retailers as of October 28, 2026, with a 158% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle32.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778628747
Dimensions8.32 × 5.86 × 3.56 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.32 mm5.86 mm1.09 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778628747
Side View
Table 62.0%Crown 32.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.8%

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: Oct 28
Current: £678 GBP|Low: £193 GBP|High: £678 GBP|Avg: £376 GBP|+2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4£193 GBP
Retailer 7£257 GBP
Retailer 3£275 GBP
Retailer 2£325 GBP
Retailer 6£493 GBP
Retailer 5£497 GBP
MOH London£678 GBP

14 data points across 7 retailers

6 retailers£193 GBP to £497 GBP

B+
Cheapest Retailer
-
£193 GBP
$258 USD
A
Retailer 2
-
£275 GBP
$368 USD
View
A
Retailer 3
-
£325 GBP
$436 USD
View
B+
Retailer 4
-
£493 GBP
$660 USD
View
B+
Retailer 5
-
£497 GBP
$666 USD
View
Most Expensive
MOH London
LG778628747 · Oct 12
£678 GBP
View
Price last confirmed 19 days ago
5 more retailers have this diamond
Prices start from £193 GBPSave up to £304 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
£193 GBP