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Marquise|Lab Grown|IGI

3.09ct F VVS1 Marquise Lab Grown Diamond

EX • F/VVS1 • IGI LG752592075

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG752592075

Diamond specifications and retailer prices

From £825 GBP
As of November 3, 2026
Save £4,057 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £5,112 GBP at Brilliant Earth · As of October 23, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG752592075 or 752592075. Listed at 15 retailers as of November 2, 2026, with a 492% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752592075
Dimensions15.75 × 7.51 × 4.67 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Top View
15.75 mm7.51 mm3.09 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752592075
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £5,112 GBP|Low: £721 GBP|High: £6,330 GBP|Avg: £2,138 GBP
Brilliant Earth
Retailer 2
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Retailer 18
November 3, 2026
Retailer 8£721 GBP
Retailer 4£825 GBP
Retailer 6£884 GBP
Retailer 14£895 GBP
Retailer 13£899 GBP
Retailer 16£1,078 GBP
Retailer 3£1,230 GBP
Retailer 11£1,570 GBP
Retailer 17£1,588 GBP
Retailer 2£1,707 GBP
Retailer 10£1,828 GBP
Retailer 9£2,034 GBP
Retailer 5£2,417 GBP
Retailer 12£2,637 GBP
Retailer 7£2,777 GBP
Retailer 18£3,491 GBP
Retailer 15£4,881 GBP
Brilliant Earth£5,112 GBP

27 data points across 18 retailers

15 retailers£825 GBP to £4,881 GBP

Retailer 1
-
£614 GBP
Price last confirmed 32 days ago
A
Retailer 2
-
£825 GBP
View
A
Retailer 3
-
£895 GBP
View
A
Retailer 4
-
£899 GBP
View
B+
Retailer 5
-
£1,078 GBP
View
Retailer 6
-
£1,230 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£1,570 GBP
View
B+
Retailer 8
-
£1,588 GBP
View
B+
Retailer 9
-
£1,707 GBP
View
Retailer 10
-
£2,417 GBP
View
Price last confirmed 29 days ago
B
Retailer 11
-
£2,637 GBP
View
Retailer 12
-
£2,777 GBP
View
Price last confirmed 68 days ago
B
Retailer 13
-
£3,491 GBP
View
B
Retailer 14
-
£4,881 GBP
View
Most Expensive
Brilliant Earth
21651568A · Oct 23
£5,112 GBP
$6,880 USD
View
Price last confirmed 13 days ago
14 more retailers have this diamond
Prices start from £825 GBPSave up to £4,057 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
£825 GBP