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Marquise|Lab Grown|IGI

3.09ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG839690977

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839690977

Diamond specifications and retailer prices

From £400 GBP
As of November 4, 2026
Save £1,589 GBP (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,989 GBP at With Clarity · As of November 5, 2026
View at With Clarity

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839690977 or 839690977. Listed at 9 retailers as of November 4, 2026, with prices from £400 to £1,989, a £1,589 spread on the same certified stone. With Clarity lists it at £1,989. 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

3.09
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839690977
Dimensions14.54 × 7.56 × 4.85 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.54 mm7.56 mm3.09 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839690977
Side View
Table 60.0%Crown 37.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,541 GBP|Low: £398 GBP|High: £1,989 GBP|Avg: £978 GBP|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 5, 2026
Retailer 5£400 GBP
Retailer 3£528 GBP
Retailer 7£546 GBP
Retailer 8£668 GBP
Retailer 9£720 GBP
Retailer 6£1,100 GBP
Retailer 4£1,190 GBP
Retailer 1£1,541 GBP
Retailer 2£1,622 GBP
With Clarity£1,989 GBP

20 data points across 10 retailers

9 retailers£400 GBP to £1,989 GBP

A
Cheapest Retailer
-
£400 GBP
A
Retailer 2
-
£528 GBP
View
A
Retailer 3
-
£546 GBP
View
Retailer 4
-
£668 GBP
View
Price last confirmed 11 days ago
B+
Retailer 5
-
£1,100 GBP
View
B+
Retailer 6
-
£1,190 GBP
View
B+
Retailer 7
-
£1,541 GBP
View
B+
Retailer 8
-
£1,622 GBP
View
Most Expensive
B
With Clarity
839690977 · Nov 5
£1,989 GBP
$2,677 USD
View
8 more retailers have this diamond
Prices start from £400 GBPSave up to £1,589 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
3.09ct Marquise
£400 GBP