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Marquise|Lab Grown|IGI

3.94ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG811681969

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811681969

Diamond specifications and retailer prices

From £396 GBP
$530 USD
As of October 31, 2026
Save £1,903 GBP (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,299 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.94ct lab-grown marquise diamond

This 3.94ct 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 LG811681969 or 811681969. Listed at 3 retailers as of October 28, 2026, with prices from £396 to £2,299, a £1,903 spread on the same certified stone. Rare Carat lists it at £2,299. 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

3.94
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811681969
Dimensions16.67 × 8.31 × 5.09 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.67 mm8.31 mm3.94 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811681969
Side View
Table 61.0%Crown 34.9°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £2,299 GBP|Low: £396 GBP|High: £2,321 GBP|Avg: £1,218 GBP|-1.0%
Rare Carat
Retailer 2
Retailer 3
November 1, 2026
Retailer 3£396 GBP
Retailer 2£752 GBP
Rare Carat£2,299 GBP

37 data points across 3 retailers

3 retailers£396 GBP to £2,299 GBP

A
Cheapest Retailer
-
£396 GBP
$530 USD
Final sale: no returns
A
Retailer 2
-
£752 GBP
View
Most Expensive
B
Rare Carat
811681969 · Oct 28
£2,299 GBP
$3,080 USD
View
2 more retailers have this diamond
Prices start from £396 GBPSave up to £1,903 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
3.94ct Marquise
£396 GBP