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Marquise|Lab Grown|IGI

3.05ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG841690333

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841690333

Diamond specifications and retailer prices

From £318 GBP
$427 USD
As of November 1, 2026
Save £2,163 GBP (87%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,481 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841690333 or 841690333. Listed at 3 retailers as of October 28, 2026, with prices from £318 to £2,481, a £2,163 spread on the same certified stone. Rare Carat lists it at £2,481. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841690333
Dimensions14.24 × 7.61 × 4.85 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.24 mm7.61 mm3.05 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841690333
Side View
Table 63.0%Crown 35.8°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 63.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £2,481 GBP|Low: £318 GBP|High: £2,508 GBP|Avg: £1,264 GBP|-1.0%
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£318 GBP
Retailer 2£601 GBP
Rare Carat£2,481 GBP

26 data points across 3 retailers

3 retailers£318 GBP to £2,481 GBP

A
Cheapest Retailer
-
£318 GBP
$427 USD
Final sale: no returns
A
Retailer 2
-
£601 GBP
View
Most Expensive
B
Rare Carat
841690333 · Oct 28
£2,481 GBP
$3,330 USD
View
2 more retailers have this diamond
Prices start from £318 GBPSave up to £2,163 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
£318 GBP