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Marquise|Lab Grown|IGI

3.51ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG833671859

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833671859

Diamond specifications and retailer prices

From £832 GBP
$1,115 USD
As of October 28, 2026
Save £3,235 GBP (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,067 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

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 LG833671859 or 833671859. Listed at 8 retailers as of October 27, 2026, with prices from £832 to £4,067, a £3,235 spread on the same certified stone. Do Amore Diamonds lists it at £4,067. 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 angle34.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671859
Dimensions15.69 × 7.86 × 4.91 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
15.69 mm7.86 mm3.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833671859
Side View
Table 59.0%Crown 34.3°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £4,067 GBP|Low: £601 GBP|High: £4,067 GBP|Avg: £1,341 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 8£649 GBP
Retailer 6£739 GBP
Retailer 4£832 GBP
Retailer 5£912 GBP
Retailer 10£1,419 GBP
Retailer 9£1,814 GBP
Retailer 7£1,952 GBP
Retailer 3£1,963 GBP
Retailer 2£2,422 GBP
Do Amore Diamonds£4,067 GBP

13 data points across 10 retailers

8 retailers£832 GBP to £4,067 GBP

A
Cheapest Retailer
-
£832 GBP
$1,115 USD
A
Retailer 2
-
£912 GBP
$1,222 USD
View
Retailer 3
-
£1,419 GBP
SGD 2,570 SGD
View
Price last confirmed 28 days ago
Retailer 4
-
£1,814 GBP
A$3,740 AUD
View
Price last confirmed 29 days ago
Retailer 5
-
£1,963 GBP
$2,630 USD
View
Price last confirmed 11 days ago
B
Retailer 6
-
£2,422 GBP
View
Retailer 7
-
£2,590 GBP
$3,470 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Do Amore Diamonds
7-1799582 · Oct 27
£4,067 GBP
$5,450 USD
View
7 more retailers have this diamond
Prices start from £832 GBPSave up to £3,235 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
£832 GBP