Marquise|Lab Grown|IGI

3.71ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG817672054

Shape and cutting style on the report: Hexagonal modified brilliant

Certificate IGI LG817672054

Diamond specifications and retailer prices

From £867 GBP
$1,162 USD
As of November 1, 2026
Save £496 GBP (36%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,363 GBP at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 3.71ct lab-grown marquise diamond

This 3.71ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817672054 or 817672054. Listed at 3 retailers as of October 31, 2026, with prices from £867 to £1,363, a £496 spread on the same certified stone. Friendly Diamonds lists it at £1,363. 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

3.71
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817672054
Dimensions15.81 × 7.57 × 4.84 mm
L/W Ratio2.09
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.81 mm7.57 mm3.71 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817672054
Side View
Table 67.0%Crown 40.5°Girdle: MediumPavilion 30.8°CuletDepth 63.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,363 GBP|Low: £867 GBP|High: £1,363 GBP|Avg: £1,035 GBP|+3.8%
Friendly Diamonds
Retailer 2
Retailer 3
October 29, 2026
Retailer 3£867 GBP
Retailer 2£922 GBP
Friendly Diamonds£1,363 GBP

12 data points across 3 retailers

3 retailers£867 GBP to £1,363 GBP

A
Cheapest Retailer
-
£867 GBP
$1,162 USD
A
Retailer 2
-
£922 GBP
€1,176 EUR
View
Most Expensive
B+
Friendly Diamonds
5887219 · Oct 31
£1,363 GBP
$1,826 USD
View
2 more retailers have this diamond
Prices start from £867 GBPSave up to £496 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
3.71ct Marquise
£867 GBP