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Marquise|Lab Grown|IGI

3.50ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG795609525

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG795609525

Diamond specifications and retailer prices

From £1,157 GBP
CA$2,156 CAD
As of November 2, 2026
Save £512 GBP (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,669 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.5ct lab-grown marquise diamond

This 3.5ct 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 LG795609525 or 795609525. Listed at 2 retailers as of November 1, 2026, with prices from £1,157 to £1,669, a £512 spread on the same certified stone. The Diamond Guys lists it at £1,669. 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

3.50
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795609525
Dimensions15.30 × 8.04 × 5.08 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.30 mm8.04 mm3.50 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795609525
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £1,157 GBP|Low: £568 GBP|High: £4,874 GBP|Avg: £1,730 GBP|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
The Diamond Guys
August 3, 2026
Retailer 3£723 GBP
Retailer 5£737 GBP
Retailer 6£818 GBP
Retailer 1£1,157 GBP
Retailer 2£1,259 GBP
Retailer 4£1,415 GBP
The Diamond Guys£1,669 GBP
Retailer 9£2,725 GBP
Retailer 7£3,010 GBP
Retailer 8£4,874 GBP

22 data points across 10 retailers

2 retailers£1,157 GBP to £1,669 GBP

B+
Cheapest Retailer
-
£1,157 GBP
CA$2,156 CAD
Most Expensive
B
The Diamond Guys
1958036855 · Nov 1
£1,669 GBP
$2,240 USD
View
1 more retailer has this diamond
Prices start from £1,157 GBPSave up to £512 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.

B+
3.50ct Marquise
£1,157 GBP