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Marquise|Lab Grown|IGI

1.43ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG809689903

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809689903

Diamond specifications and retailer prices

From £763 GBP
$1,030 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: £763 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 1.43ct lab-grown marquise diamond

This 1.43ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809689903 or 809689903. Listed at a single retailer as of November 4, 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

1.43
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809689903
Dimensions11.09 × 5.99 × 3.69 mm
L/W Ratio1.85
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.09 mm5.99 mm1.43 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG809689903
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 39°Culet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £763 GBP|Low: £109 GBP|High: £1,380 GBP|Avg: £466 GBP|-1.0%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
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Retailer 12
September 23, 2026
Retailer 7£153 GBP
Retailer 2£248 GBP
Retailer 8£286 GBP
Retailer 6£295 GBP
Retailer 9£351 GBP
Retailer 5£437 GBP
Retailer 4£500 GBP
Retailer 10£524 GBP
Retailer 3£555 GBP
Retailer 12£587 GBP
Retailer 11£654 GBP
Brilliant Earth£763 GBP

39 data points across 12 retailers

1 retailer

B
Brilliant Earth
20757090A · Nov 4
£763 GBP
$1,030 USD
View

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B
1.43ct Marquise
£763 GBP