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Marquise|Lab Grown|IGI

3.29ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG842662792

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842662792

Diamond specifications and retailer prices

From £319 GBP
$427 USD
As of November 1, 2026
Save £1,487 GBP (82%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,806 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.29ct lab-grown marquise diamond

This 3.29ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842662792 or 842662792. Listed at 3 retailers as of October 28, 2026, with prices from £319 to £1,806, a £1,487 spread on the same certified stone. Rare Carat lists it at £1,806. 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

3.29
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842662792
Dimensions15.22 × 7.90 × 4.86 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.22 mm7.90 mm3.29 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842662792
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,806 GBP|Low: £319 GBP|High: £1,814 GBP|Avg: £903 GBP|-0.4%
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£319 GBP
Retailer 2£601 GBP
Rare Carat£1,806 GBP

23 data points across 3 retailers

3 retailers£319 GBP to £1,806 GBP

A
Cheapest Retailer
-
£319 GBP
$427 USD
Final sale: no returns
A
Retailer 2
-
£601 GBP
View
Most Expensive
B
Rare Carat
842662792 · Oct 28
£1,806 GBP
$2,420 USD
View
2 more retailers have this diamond
Prices start from £319 GBPSave up to £1,487 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
3.29ct Marquise
£319 GBP