Marquise|Lab Grown|IGI

5.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG839647736

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839647736

Diamond specifications and retailer prices

From £697 GBP
As of October 27, 2026
Save £2,634 GBP (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,331 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839647736 or 839647736. Listed at 22 retailers as of October 27, 2026, with prices from £697 to £3,331, a £2,634 spread on the same certified stone. Rare Carat lists it at £3,331. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647736
Dimensions17.35 × 9.25 × 5.54 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
17.35 mm9.25 mm5.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647736
Side View
Table 64.0%Crown 32.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.9%

Caratlytics Score

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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: Oct 27
Current: £3,331 GBP|Low: £554 GBP|High: £3,350 GBP|Avg: £1,514 GBP|-0.6%
Rare Carat
Retailer 2
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Retailer 23
November 2, 2026
Retailer 8£554 GBP
Retailer 12£602 GBP
Retailer 16£619 GBP
Retailer 4£642 GBP
Retailer 20£697 GBP
Retailer 18£725 GBP
Retailer 5£775 GBP
Retailer 6£926 GBP
Retailer 19£972 GBP
Retailer 21£1,024 GBP
Retailer 9£1,040 GBP
Retailer 23£1,292 GBP
Retailer 14£1,308 GBP
Retailer 2£1,415 GBP
Retailer 7£1,528 GBP
Retailer 3£1,805 GBP
Retailer 10£2,078 GBP
Retailer 13£2,093 GBP
Retailer 11£2,170 GBP
Retailer 15£2,213 GBP
Retailer 22£2,524 GBP
Retailer 17£2,958 GBP
Rare Carat£3,331 GBP

25 data points across 23 retailers

22 retailers£697 GBP to £3,331 GBP

Retailer 1
-
£554 GBP
$743 USD
Price last confirmed 10 days ago
Retailer 2
-
£602 GBP
$808 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£642 GBP
$861 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£697 GBP
View
A
Retailer 5
-
£725 GBP
HK$7,600 HKD
View
Retailer 6
-
£775 GBP
$1,040 USD
View
Price last confirmed 5 days ago
Retailer 7
-
£926 GBP
$1,242 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
£972 GBP
€1,242 EUR
View
A
Retailer 9
-
£1,024 GBP
View
Retailer 10
-
£1,040 GBP
$1,395 USD
View
Price last confirmed 7 days ago
Retailer 11
-
£1,292 GBP
ZAR 28,005 ZAR
View
Price last confirmed 9 days ago
Retailer 12
-
£1,308 GBP
A$2,701 AUD
View
Price last confirmed 13 days ago
B+
Retailer 13
-
£1,415 GBP
$1,899 USD
View
B+
Retailer 14
-
£1,528 GBP
$2,051 USD
View
Retailer 15
-
£1,805 GBP
$2,422 USD
View
Price last confirmed 8 days ago
Retailer 16
-
£2,078 GBP
$2,789 USD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
£2,093 GBP
SGD 3,796 SGD
View
Retailer 18
-
£2,170 GBP
$2,912 USD
View
Price last confirmed 7 days ago
B
Retailer 19
-
£2,213 GBP
$2,970 USD
View
Retailer 20
-
£2,524 GBP
View
Price last confirmed 8 days ago
B
Retailer 21
-
£2,958 GBP
$3,969 USD
View
Most Expensive
B
Rare Carat
174946-A · Oct 28
£3,331 GBP
$4,470 USD
View
21 more retailers have this diamond
Prices start from £697 GBPSave up to £2,634 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
5.09ct Marquise
£697 GBP