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Marquise|Lab Grown|IGI

3.13ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG787630041

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787630041

Diamond specifications and retailer prices

From £1,107 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: £1,107 GBP at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 3.13ct lab-grown marquise diamond

This 3.13ct 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 LG787630041 or 787630041. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.13
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787630041
Dimensions14.71 × 7.78 × 4.86 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.71 mm7.78 mm3.13 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787630041
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £1,107 GBP|Low: £432 GBP|High: £2,705 GBP|Avg: £1,260 GBP
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
May 6, 2026
Retailer 2£575 GBP
Retailer 4£611 GBP
Retailer 3£668 GBP
Diamond Quarter£1,107 GBP
Retailer 5£2,705 GBP

11 data points across 5 retailers

1 retailer

B+
Diamond Quarter
3.13VS1GLG200CDEN · Nov 2
£1,107 GBP
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B+
3.13ct Marquise
£1,107 GBP