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Marquise|Lab Grown|IGI

3.05ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG845649794

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845649794

Diamond specifications and retailer prices

From £297 GBP
As of November 3, 2026
Save £1,679 GBP (85%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,976 GBP at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 3.05ct lab-grown marquise diamond

This 3.05ct 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 LG845649794 or 845649794. Listed at 4 retailers as of November 1, 2026, with prices from £297 to £1,976, a £1,679 spread on the same certified stone. Brilliant Earth lists it at £1,976. 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

3.05
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845649794
Dimensions14.87 × 7.62 × 4.73 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.87 mm7.62 mm3.05 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845649794
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £1,976 GBP|Low: £297 GBP|High: £1,976 GBP|Avg: £1,143 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 4, 2026
Retailer 3£297 GBP
Retailer 2£611 GBP
Retailer 4£1,514 GBP
Brilliant Earth£1,976 GBP

19 data points across 4 retailers

4 retailers£297 GBP to £1,976 GBP

A
Cheapest Retailer
-
£297 GBP
Final sale: no returns
A
Retailer 2
-
£611 GBP
View
B
Retailer 3
-
£1,514 GBP
View
Most Expensive
B
Brilliant Earth
22179417A · Nov 1
£1,976 GBP
$2,650 USD
View
3 more retailers have this diamond
Prices start from £297 GBPSave up to £1,679 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
3.05ct Marquise
£297 GBP