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Marquise|Lab Grown|IGI

1.09ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG844669871

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844669871

Diamond specifications and retailer prices

From £148 GBP
As of November 4, 2026
Save £155 GBP (51%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £524 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844669871 or 844669871. Listed at 3 retailers as of November 4, 2026, with a 105% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844669871
Dimensions10.56 × 5.38 × 3.39 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.56 mm5.38 mm1.09 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844669871
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £524 GBP|Low: £148 GBP|High: £524 GBP|Avg: £335 GBP
Rare Carat
Retailer 2
Retailer 3
November 5, 2026
Retailer 3£148 GBP
Retailer 2£302 GBP
Rare Carat£524 GBP

22 data points across 3 retailers

3 retailers£148 GBP to £302 GBP

A
Cheapest Retailer
-
£148 GBP
Final sale: no returns
A
Retailer 2
-
£302 GBP
View
Most Expensive
Rare Carat
844669871 · Oct 28
£524 GBP
$705 USD
View
Price last confirmed 8 days ago
2 more retailers have this diamond
Prices start from £148 GBPSave up to £155 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 Marquise
£148 GBP