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Marquise|Lab Grown|IGI

3.09ct F VS1 Marquise Lab Grown Diamond

VG • F/VS1 • IGI LG825643943

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825643943

Diamond specifications and retailer prices

From £348 GBP
As of November 2, 2026
Save £3,784 GBP (92%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,133 GBP at Yadav Diamonds · As of November 4, 2026
View at Yadav Diamonds

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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG825643943 or 825643943. Listed at 20 retailers as of November 2, 2026, with prices from £348 to £4,133, a £3,784 spread on the same certified stone. Yadav Diamonds lists it at £4,133. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.09
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825643943
Dimensions14.69 × 7.53 × 4.82 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
14.69 mm7.53 mm3.09 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825643943
Side View
Table 61.0%Crown 36.3°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.0%

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: £1,010 GBP|Low: £348 GBP|High: £4,133 GBP|Avg: £1,449 GBP|+0.4%
Retailer 1
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Retailer 19
Yadav Diamonds
November 5, 2026
Retailer 5£348 GBP
Retailer 9£390 GBP
Retailer 19£516 GBP
Retailer 13£543 GBP
Retailer 14£572 GBP
Retailer 7£695 GBP
Retailer 15£724 GBP
Retailer 1£1,010 GBP
Retailer 18£1,081 GBP
Retailer 6£1,255 GBP
Retailer 2£1,625 GBP
Retailer 10£1,627 GBP
Retailer 17£1,659 GBP
Retailer 4£1,902 GBP
Retailer 12£1,986 GBP
Retailer 11£2,278 GBP
Retailer 3£2,638 GBP
Retailer 8£3,098 GBP
Retailer 16£3,662 GBP
Yadav Diamonds£4,133 GBP

13 data points across 20 retailers

20 retailers£348 GBP to £4,133 GBP

A
Cheapest Retailer
-
£348 GBP
A
Retailer 2
-
£390 GBP
View
A
Retailer 3
-
£516 GBP
View
A
Retailer 4
-
£543 GBP
View
B+
Retailer 5
-
£572 GBP
View
Retailer 6
-
£695 GBP
View
Price last confirmed 11 days ago
A
Retailer 7
-
£724 GBP
View
B+
Retailer 8
-
£1,010 GBP
View
B+
Retailer 9
-
£1,081 GBP
View
B+
Retailer 10
-
£1,255 GBP
View
B
Retailer 11
-
£1,625 GBP
View
B
Retailer 12
-
£1,627 GBP
View
B
Retailer 13
-
£1,659 GBP
View
Retailer 14
-
£1,902 GBP
View
Price last confirmed 8 days ago
B
Retailer 15
-
£1,986 GBP
View
B
Retailer 16
-
£2,278 GBP
View
B
Retailer 17
-
£2,638 GBP
View
B
Retailer 18
-
£3,098 GBP
View
C
Retailer 19
-
£3,662 GBP
View
Most Expensive
B
Yadav Diamonds
13356272 · Nov 4
£4,133 GBP
$5,562 USD
View
19 more retailers have this diamond
Prices start from £348 GBPSave up to £3,784 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
£348 GBP