Round|Lab Grown|IGI

1.09ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG841605517

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841605517

Diamond specifications and retailer prices

From £133 GBP
$178 USD
As of October 24, 2026
Save £502 GBP (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £666 GBP at MOH London · As of October 19, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841605517 or 841605517. Listed at 17 retailers as of October 24, 2026, with a 378% 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
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841605517
Dimensions6.54 × 6.57 × 4.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.54 mm6.57 mm1.09 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841605517
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

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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 24
Current: £666 GBP|Low: £114 GBP|High: £666 GBP|Avg: £326 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
October 27, 2026
Retailer 15£114 GBP
Retailer 12£133 GBP
Retailer 4£142 GBP
Retailer 6£142 GBP
Retailer 11£234 GBP
Retailer 14£247 GBP
Retailer 5£258 GBP
Retailer 10£266 GBP
Retailer 17£293 GBP
Retailer 3£325 GBP
Retailer 8£328 GBP
Retailer 16£455 GBP
Retailer 13£481 GBP
Retailer 9£494 GBP
Retailer 7£497 GBP
Retailer 2£634 GBP
MOH London£666 GBP

14 data points across 17 retailers

17 retailers£133 GBP to £634 GBP

Retailer 1
-
£114 GBP
$153 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£133 GBP
$178 USD
View
Retailer 3
-
£142 GBP
$190 USD
View
Price last confirmed 14 days ago
Retailer 4
-
£142 GBP
$190 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£234 GBP
View
Retailer 6
-
£247 GBP
$331 USD
View
Price last confirmed 7 days ago
Retailer 7
-
£258 GBP
$346 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£266 GBP
€340 EUR
View
Retailer 9
-
£293 GBP
View
Price last confirmed 13 days ago
B+
Retailer 10
-
£325 GBP
$436 USD
View
Retailer 11
-
£328 GBP
$440 USD
View
Price last confirmed 16 days ago
B
Retailer 12
-
£455 GBP
$610 USD
View
Retailer 13
-
£481 GBP
$645 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
£494 GBP
$662 USD
View
Retailer 15
-
£497 GBP
$666 USD
View
Price last confirmed 7 days ago
B
Retailer 16
-
£634 GBP
$850 USD
View
Most Expensive
MOH London
LG841605517 · Oct 19
£666 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from £133 GBPSave up to £502 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 Round
£133 GBP