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Marquise|Lab Grown|IGI

3.09ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG837682305

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837682305

Diamond specifications and retailer prices

From £357 GBP
As of November 4, 2026
Save £1,632 GBP (82%) vs most expensive(unlock to see where)
10 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 LG837682305 or 837682305. Listed at 10 retailers as of November 4, 2026, with prices from £357 to £1,989, a £1,632 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 angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837682305
Dimensions14.62 × 7.78 × 4.82 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.62 mm7.78 mm3.09 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837682305
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.1%

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: £1,541 GBP|Low: £357 GBP|High: £1,989 GBP|Avg: £1,174 GBP|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 5, 2026
Retailer 4£357 GBP
Retailer 3£528 GBP
Retailer 10£668 GBP
Retailer 2£713 GBP
Retailer 6£1,055 GBP
Retailer 8£1,100 GBP
Retailer 5£1,190 GBP
Retailer 1£1,541 GBP
Retailer 7£1,619 GBP
Retailer 9£1,690 GBP
With Clarity£1,989 GBP

29 data points across 11 retailers

10 retailers£357 GBP to £1,989 GBP

A
Cheapest Retailer
-
£357 GBP
A
Retailer 2
-
£528 GBP
View
Retailer 3
-
£668 GBP
View
Price last confirmed 11 days ago
B+
Retailer 4
-
£1,055 GBP
View
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
-
£1,690 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
With Clarity
837682305 · Nov 5
£1,989 GBP
$2,677 USD
View
9 more retailers have this diamond
Prices start from £357 GBPSave up to £1,632 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
£357 GBP