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Marquise|Lab Grown|IGI

3.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG839675105

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839675105

Diamond specifications and retailer prices

From £386 GBP
As of November 4, 2026
Save £3,046 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,433 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore 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 top-tier cut grade and certified by IGI LG839675105 or 839675105. Listed at 18 retailers as of November 4, 2026, with prices from £386 to £3,433, a £3,046 spread on the same certified stone. Do Amore Diamonds lists it at £3,433. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839675105
Dimensions14.74 × 7.59 × 4.81 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.74 mm7.59 mm3.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839675105
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.4%

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 4
Current: £3,433 GBP|Low: £386 GBP|High: £3,433 GBP|Avg: £1,093 GBP
Do Amore Diamonds
Retailer 2
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November 5, 2026
Retailer 18£386 GBP
Retailer 20£432 GBP
Retailer 19£432 GBP
Retailer 5£478 GBP
Retailer 11£571 GBP
Retailer 15£602 GBP
Retailer 10£635 GBP
Retailer 12£695 GBP
Retailer 13£733 GBP
Retailer 14£817 GBP
Retailer 2£1,119 GBP
Retailer 16£1,147 GBP
Retailer 17£1,236 GBP
Retailer 6£1,390 GBP
Retailer 4£1,634 GBP
Retailer 9£1,652 GBP
Retailer 7£1,776 GBP
Retailer 8£1,799 GBP
Retailer 3£2,294 GBP
Do Amore Diamonds£3,433 GBP

25 data points across 20 retailers

18 retailers£386 GBP to £3,433 GBP

A
Cheapest Retailer
-
£386 GBP
A
Retailer 2
-
£432 GBP
View
Final sale: no returns
A
Retailer 3
-
£432 GBP
View
A
Retailer 4
-
£478 GBP
View
A
Retailer 5
-
£602 GBP
View
B+
Retailer 6
-
£635 GBP
View
A
Retailer 7
-
£733 GBP
View
A
Retailer 8
-
£817 GBP
View
B+
Retailer 9
-
£1,119 GBP
View
B+
Retailer 10
-
£1,147 GBP
View
B+
Retailer 11
-
£1,236 GBP
View
B+
Retailer 12
-
£1,390 GBP
View
B+
Retailer 13
-
£1,634 GBP
View
B+
Retailer 14
-
£1,652 GBP
View
B
Retailer 15
-
£1,776 GBP
View
B
Retailer 16
-
£1,799 GBP
View
B
Retailer 17
-
£2,294 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B5AF9252E · Nov 4
£3,433 GBP
$4,620 USD
View
17 more retailers have this diamond
Prices start from £386 GBPSave up to £3,046 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
£386 GBP