Marquise|Lab Grown|IGI

5.09ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG851651019

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851651019

Diamond specifications and retailer prices

From £1,478 GBP
$1,984 USD
As of November 2, 2026
Save £4,512 GBP (75%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £5,991 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG851651019 or 851651019. Listed at 3 retailers as of November 2, 2026, with prices from £1,478 to £5,991, a £4,512 spread on the same certified stone. With Clarity lists it at £5,991. 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

5.09
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851651019
Dimensions17.39 × 9.21 × 5.71 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.39 mm9.21 mm5.09 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851651019
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £3,417 GBP|Low: £1,478 GBP|High: £5,991 GBP|Avg: £4,219 GBP
Retailer 1
Retailer 2
With Clarity
November 1, 2026
Retailer 2£1,478 GBP
Retailer 1£3,417 GBP
With Clarity£5,991 GBP

2 data points across 3 retailers

3 retailers£1,478 GBP to £5,991 GBP

B+
Cheapest Retailer
-
£1,478 GBP
$1,984 USD
B
Retailer 2
-
£3,417 GBP
View
Most Expensive
B
With Clarity
851651019 · Nov 2
£5,991 GBP
$8,039 USD
View
2 more retailers have this diamond
Prices start from £1,478 GBPSave up to £4,512 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.

B+
5.09ct Marquise
£1,478 GBP