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Marquise|Lab Grown|IGI

3.10ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG840658111

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840658111

Diamond specifications and retailer prices

From £391 GBP
As of November 4, 2026
Save £3,020 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,410 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840658111 or 840658111. Listed at 11 retailers as of November 2, 2026, with prices from £391 to £3,410, a £3,020 spread on the same certified stone. Do Amore Diamonds lists it at £3,410. 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

3.10
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840658111
Dimensions15.49 × 7.57 × 4.69 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.49 mm7.57 mm3.10 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840658111
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,410 GBP|Low: £384 GBP|High: £5,788 GBP|Avg: £1,607 GBP|-41.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4£391 GBP
Retailer 8£580 GBP
Retailer 10£629 GBP
Retailer 5£749 GBP
Retailer 9£1,103 GBP
Retailer 7£1,250 GBP
Retailer 6£1,406 GBP
Retailer 2£2,094 GBP
Retailer 3£2,192 GBP
Retailer 11£2,283 GBP
Do Amore Diamonds£3,410 GBP

23 data points across 11 retailers

11 retailers£391 GBP to £3,410 GBP

A
Cheapest Retailer
-
£391 GBP
A
Retailer 2
-
£580 GBP
View
A
Retailer 3
-
£629 GBP
View
A
Retailer 4
-
£749 GBP
View
B+
Retailer 5
-
£1,103 GBP
View
B+
Retailer 6
-
£1,250 GBP
View
B+
Retailer 7
-
£1,406 GBP
View
B
Retailer 8
-
£2,094 GBP
View
B
Retailer 9
-
£2,192 GBP
View
B
Retailer 10
-
£2,283 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4F3C46F40 · Nov 2
£3,410 GBP
$4,590 USD
View
10 more retailers have this diamond
Prices start from £391 GBPSave up to £3,020 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
3.10ct Marquise
£391 GBP