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Marquise|Lab Grown|IGI

3.10ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG839684229

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839684229

Diamond specifications and retailer prices

From £358 GBP
As of November 4, 2026
Save £1,638 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,062 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG839684229 or 839684229. Listed at 12 retailers as of November 4, 2026, with a 457% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839684229
Dimensions14.87 × 7.46 × 4.82 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.87 mm7.46 mm3.10 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839684229
Side View
Table 62.0%Crown 38.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.6%

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: £2,062 GBP|Low: £357 GBP|High: £2,092 GBP|Avg: £1,187 GBP|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 8£358 GBP
Retailer 7£530 GBP
Retailer 6£550 GBP
Retailer 12£669 GBP
Retailer 4£722 GBP
Retailer 11£1,103 GBP
Retailer 10£1,193 GBP
Retailer 9£1,427 GBP
Retailer 2£1,546 GBP
Retailer 5£1,848 GBP
Retailer 3£1,996 GBP
Rare Carat£2,062 GBP

18 data points across 12 retailers

12 retailers£358 GBP to £1,996 GBP

A
Cheapest Retailer
-
£358 GBP
Retailer 2
-
£400 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£530 GBP
View
A
Retailer 4
-
£550 GBP
View
Retailer 5
-
£669 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£1,103 GBP
View
B+
Retailer 7
-
£1,193 GBP
View
B+
Retailer 8
-
£1,427 GBP
View
B+
Retailer 9
-
£1,546 GBP
View
B
Retailer 10
-
£1,848 GBP
View
B
Retailer 11
-
£1,996 GBP
View
Most Expensive
Rare Carat
LGMQ30-170445 · Oct 28
£2,062 GBP
$2,775 USD
View
Price last confirmed 8 days ago
11 more retailers have this diamond
Prices start from £358 GBPSave up to £1,638 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
£358 GBP