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Marquise|Lab Grown|IGI

1.10ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG843603403

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843603403

Diamond specifications and retailer prices

From £134 GBP
$180 USD
As of November 1, 2026
Save £373 GBP (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £508 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.1ct lab-grown marquise diamond

This 1.1ct lab-grown marquise 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 LG843603403 or 843603403. Listed at 3 retailers as of October 31, 2026, with prices from £134 to £508, a £373 spread on the same certified stone. Brilliant Earth lists it at £508. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.10
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843603403
Dimensions10.20 × 5.43 × 3.43 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.20 mm5.43 mm1.10 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843603403
Side View
Table 60.0%Crown 36.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £508 GBP|Low: £134 GBP|High: £508 GBP|Avg: £370 GBP
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3£134 GBP
Retailer 2£272 GBP
Brilliant Earth£508 GBP

23 data points across 3 retailers

3 retailers£134 GBP to £508 GBP

A
Cheapest Retailer
-
£134 GBP
$180 USD
Final sale: no returns
A
Retailer 2
-
£272 GBP
View
Most Expensive
B
Brilliant Earth
21760942A · Oct 31
£508 GBP
$680 USD
View
2 more retailers have this diamond
Prices start from £134 GBPSave up to £373 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
1.10ct Marquise
£134 GBP