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Marquise|Lab Grown|IGI

3.09ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG843645155

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843645155

Diamond specifications and retailer prices

From £359 GBP
$481 USD
As of November 2, 2026
Save £3,410 GBP (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £3,769 GBP at Brilliant Earth · As of October 31, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843645155 or 843645155. Listed at 24 retailers as of October 31, 2026, with prices from £359 to £3,769, a £3,410 spread on the same certified stone. Brilliant Earth lists it at £3,769. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843645155
Dimensions14.85 × 7.62 × 4.76 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.85 mm7.62 mm3.09 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843645155
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

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 2
Current: £3,769 GBP|Low: £359 GBP|High: £3,851 GBP|Avg: £1,057 GBP|-2.1%
Brilliant Earth
Retailer 2
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November 2, 2026
Retailer 5£359 GBP
Retailer 12£402 GBP
Retailer 15£402 GBP
Retailer 8£446 GBP
Retailer 14£446 GBP
Retailer 4£498 GBP
Retailer 11£549 GBP
Retailer 19£597 GBP
Retailer 25£647 GBP
Retailer 7£723 GBP
Retailer 2£740 GBP
Retailer 22£941 GBP
Retailer 23£967 GBP
Retailer 21£972 GBP
Retailer 3£973 GBP
Retailer 17£984 GBP
Retailer 6£1,432 GBP
Retailer 16£1,453 GBP
Retailer 18£1,454 GBP
Retailer 9£1,561 GBP
Retailer 10£1,667 GBP
Retailer 20£1,718 GBP
Retailer 13£1,860 GBP
Retailer 24£2,049 GBP
Brilliant Earth£3,769 GBP

22 data points across 25 retailers

24 retailers£359 GBP to £3,769 GBP

A
Cheapest Retailer
-
£359 GBP
$481 USD
A
Retailer 2
-
£402 GBP
$539 USD
View
Final sale: no returns
A
Retailer 3
-
£402 GBP
$539 USD
View
Retailer 4
-
£446 GBP
$597 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
£446 GBP
$597 USD
View
A
Retailer 6
-
£549 GBP
$735 USD
View
B+
Retailer 7
-
£597 GBP
$800 USD
View
A
Retailer 8
-
£647 GBP
€826 EUR
View
A
Retailer 9
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£723 GBP
$969 USD
View
A
Retailer 10
-
£740 GBP
View
A
Retailer 11
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£941 GBP
A$1,940 AUD
View
A
Retailer 12
-
£967 GBP
ZAR 20,933 ZAR
View
A
Retailer 13
-
£972 GBP
$1,303 USD
View
A
Retailer 14
-
£973 GBP
$1,304 USD
View
Retailer 15
-
£984 GBP
$1,319 USD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
£1,432 GBP
$1,919 USD
View
B+
Retailer 17
-
£1,453 GBP
$1,947 USD
View
B+
Retailer 18
-
£1,454 GBP
$1,948 USD
View
B+
Retailer 19
-
£1,561 GBP
$2,091 USD
View
B
Retailer 20
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£1,667 GBP
$2,233 USD
View
B
Retailer 21
-
£1,718 GBP
A$3,542 AUD
View
B+
Retailer 22
-
£1,860 GBP
View
B
Retailer 23
-
£2,049 GBP
$2,745 USD
View
Most Expensive
B
Brilliant Earth
22175532A · Oct 31
£3,769 GBP
$5,050 USD
View
23 more retailers have this diamond
Prices start from £359 GBPSave up to £3,410 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
£359 GBP