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Marquise|Lab Grown|IGI

3.41ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG754581198

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754581198

Diamond specifications and retailer prices

From £2,791 GBP
$3,740 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: £2,791 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 3.41ct lab-grown marquise diamond

This 3.41ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754581198 or 754581198. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.41
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754581198
Dimensions16.15 × 7.83 × 4.84 mm
L/W Ratio2.06
Girdle conditionFaceted
Top View
16.15 mm7.83 mm3.41 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754581198
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £2,791 GBP|Low: £371 GBP|High: £3,485 GBP|Avg: £1,587 GBP|-14.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
April 14, 2026
Retailer 2£375 GBP
Retailer 4£466 GBP
Retailer 5£549 GBP
Retailer 3£665 GBP
Retailer 6£755 GBP
Retailer 7£978 GBP
Retailer 8£1,673 GBP
Retailer 9£2,701 GBP
Brilliant Earth£2,791 GBP

39 data points across 9 retailers

1 retailer

B
Brilliant Earth
17050069A · Oct 31
£2,791 GBP
$3,740 USD
View

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B
3.41ct Marquise
£2,791 GBP