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Round|Lab Grown|IGI

1.09ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG765618031

Shape and cutting style on the report: Round brilliant

Certificate IGI LG765618031

Diamond specifications and retailer prices

From £387 GBP
$520 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: £387 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG765618031 or 765618031. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765618031
Dimensions6.63 × 6.60 × 4.06 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.63 mm6.60 mm1.09 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG765618031
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £387 GBP|Low: £149 GBP|High: £704 GBP|Avg: £368 GBP|-7.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
April 19, 2026
Retailer 2£232 GBP
Retailer 5£246 GBP
Retailer 9£267 GBP
Retailer 8£354 GBP
Retailer 4£368 GBP
Retailer 3£370 GBP
Brilliant Earth£387 GBP
Retailer 6£451 GBP
Retailer 7£573 GBP

19 data points across 9 retailers

1 retailer

B
Brilliant Earth
18450523A · Nov 2
£387 GBP
$520 USD
View

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.

B
1.09ct Round
£387 GBP