Marquise|Lab Grown|IGI

3.51ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG847651494

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847651494

Diamond specifications and retailer prices

From £679 GBP
$910 USD
As of October 28, 2026
Save £1,446 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,125 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.51ct lab-grown marquise diamond

This 3.51ct 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 LG847651494 or 847651494. Listed at 9 retailers as of October 28, 2026, with prices from £679 to £2,125, a £1,446 spread on the same certified stone. MOH London lists it at £2,125. 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

3.51
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847651494
Dimensions15.73 × 7.87 × 4.95 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.73 mm7.87 mm3.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847651494
Side View
Table 59.0%Crown 32.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

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: Oct 28
Current: £2,125 GBP|Low: £679 GBP|High: £2,125 GBP|Avg: £1,249 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9£679 GBP
Retailer 4£688 GBP
Retailer 2£788 GBP
Retailer 3£847 GBP
Retailer 5£987 GBP
Retailer 7£1,117 GBP
Retailer 6£1,643 GBP
Retailer 8£2,004 GBP
MOH London£2,125 GBP

16 data points across 9 retailers

9 retailers£679 GBP to £2,125 GBP

B+
Cheapest Retailer
-
£679 GBP
$910 USD
A
Retailer 2
-
£688 GBP
HK$7,200 HKD
View
A
Retailer 3
-
£788 GBP
View
A
Retailer 4
-
£847 GBP
€1,081 EUR
View
A
Retailer 5
-
£987 GBP
$1,322 USD
View
Retailer 6
-
£1,117 GBP
$1,496 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
£1,643 GBP
$2,202 USD
View
B
Retailer 8
-
£2,004 GBP
CA$3,730 CAD
View
Most Expensive
B
MOH London
LG847651494 · Oct 29
£2,125 GBP
View
8 more retailers have this diamond
Prices start from £679 GBPSave up to £1,446 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
3.51ct Marquise
£679 GBP