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Marquise|Lab Grown|IGI

3.81ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG844640332

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844640332

Diamond specifications and retailer prices

From £424 GBP
$569 USD
As of November 1, 2026
Save £2,296 GBP (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,720 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.81ct lab-grown marquise diamond

This 3.81ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844640332 or 844640332. Listed at 3 retailers as of November 1, 2026, with prices from £424 to £2,720, a £2,296 spread on the same certified stone. Brilliant Earth lists it at £2,720. 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

3.81
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844640332
Dimensions15.73 × 8.26 × 5.15 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.73 mm8.26 mm3.81 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844640332
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £757 GBP|Low: £424 GBP|High: £781 GBP|Avg: £622 GBP|-3.2%
Retailer 1
Retailer 2
November 2, 2026
Retailer 2£424 GBP
Retailer 1£757 GBP

17 data points across 2 retailers

3 retailers£424 GBP to £2,720 GBP

A
Cheapest Retailer
-
£424 GBP
$569 USD
Final sale: no returns
A
Retailer 2
-
£757 GBP
View
Most Expensive
B
Brilliant Earth
22003660A · Nov 2
£2,720 GBP
$3,650 USD
View
2 more retailers have this diamond
Prices start from £424 GBPSave up to £2,296 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
3.81ct Marquise
£424 GBP