Marquise|Lab Grown|IGI

3.10ct F VS2 Marquise Lab Grown Diamond

VG • F/VS2 • IGI LG839686821

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839686821

Diamond specifications and retailer prices

From £400 GBP
As of November 1, 2026
Save £1,807 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,207 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

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 very-good cut grade and certified by IGI LG839686821 or 839686821. Listed at 11 retailers as of November 1, 2026, with prices from £400 to £2,207, a £1,807 spread on the same certified stone. Brilliant Earth lists it at £2,207. 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

3.10
Carat
F
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839686821
Dimensions15.16 × 7.49 × 4.75 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.16 mm7.49 mm3.10 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839686821
Side View
Table 60.0%Crown 37.4°Girdle: MED-STKPavilion 40.6°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 1
Current: £2,207 GBP|Low: £531 GBP|High: £2,207 GBP|Avg: £1,277 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9£531 GBP
Retailer 5£546 GBP
Retailer 6£669 GBP
Retailer 11£722 GBP
Retailer 2£1,103 GBP
Retailer 10£1,189 GBP
Retailer 7£1,530 GBP
Retailer 4£1,624 GBP
Retailer 8£1,996 GBP
Retailer 3£2,084 GBP
Brilliant Earth£2,207 GBP

18 data points across 11 retailers

11 retailers£400 GBP to £2,207 GBP

A
Cheapest Retailer
-
£400 GBP
A
Retailer 2
-
£546 GBP
View
Retailer 3
-
£669 GBP
View
Price last confirmed 11 days ago
B+
Retailer 4
-
£1,103 GBP
View
B+
Retailer 5
-
£1,189 GBP
View
B
Retailer 6
-
£1,530 GBP
View
B
Retailer 7
-
£1,624 GBP
View
B
Retailer 8
-
£1,996 GBP
View
Retailer 9
-
£2,084 GBP
View
Price last confirmed 32 days ago
B
Retailer 10
-
£2,192 GBP
View
Most Expensive
B
Brilliant Earth
22210802A · Nov 3
£2,207 GBP
$2,970 USD
View
10 more retailers have this diamond
Prices start from £400 GBPSave up to £1,807 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
£400 GBP