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Marquise|Lab Grown|IGI

3.06ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG839691245

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839691245

Diamond specifications and retailer prices

From £286 GBP
As of November 3, 2026
Save £1,697 GBP (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,983 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.06ct lab-grown marquise diamond

This 3.06ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839691245 or 839691245. Listed at 4 retailers as of November 3, 2026, with prices from £286 to £1,983, a £1,697 spread on the same certified stone. Brilliant Earth lists it at £1,983. 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

3.06
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839691245
Dimensions15.42 × 7.60 × 4.64 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.42 mm7.60 mm3.06 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839691245
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £1,983 GBP|Low: £286 GBP|High: £1,983 GBP|Avg: £1,178 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 3£286 GBP
Retailer 2£594 GBP
Retailer 4£1,521 GBP
Brilliant Earth£1,983 GBP

30 data points across 4 retailers

4 retailers£286 GBP to £1,983 GBP

A
Cheapest Retailer
-
£286 GBP
Final sale: no returns
A
Retailer 2
-
£594 GBP
View
Retailer 3
-
£1,521 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21601321A · Nov 3
£1,983 GBP
$2,660 USD
View
3 more retailers have this diamond
Prices start from £286 GBPSave up to £1,697 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
3.06ct Marquise
£286 GBP