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Marquise|Lab Grown|IGI

3.09ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG841639143

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841639143

Diamond specifications and retailer prices

From £400 GBP
As of November 4, 2026
Save £1,822 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,222 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG841639143 or 841639143. Listed at 11 retailers as of November 4, 2026, with prices from £400 to £2,222, a £1,822 spread on the same certified stone. Brilliant Earth lists it at £2,222. 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 angle37.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841639143
Dimensions15.02 × 7.48 × 4.78 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.02 mm7.48 mm3.09 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841639143
Side View
Table 60.0%Crown 37.7°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 63.9%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £2,222 GBP|Low: £400 GBP|High: £2,266 GBP|Avg: £1,210 GBP|-2.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 7£400 GBP
Retailer 5£528 GBP
Retailer 10£546 GBP
Retailer 11£668 GBP
Retailer 3£731 GBP
Retailer 8£1,100 GBP
Retailer 6£1,190 GBP
Retailer 2£1,541 GBP
Retailer 9£1,619 GBP
Retailer 4£1,705 GBP
Retailer 12£1,989 GBP
Brilliant Earth£2,222 GBP

20 data points across 12 retailers

11 retailers£400 GBP to £2,222 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
-
£1,619 GBP
View
Retailer 9
-
£1,705 GBP
View
Price last confirmed 32 days ago
B
Retailer 10
-
£1,989 GBP
View
Most Expensive
B
Brilliant Earth
22210485A · Nov 4
£2,222 GBP
$2,990 USD
View
10 more retailers have this diamond
Prices start from £400 GBPSave up to £1,822 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