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Oval|Lab Grown|IGI

3.99ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG800670314

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG800670314

Diamond specifications and retailer prices

From £2,978 GBP
$3,990 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: £2,978 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3.99ct lab-grown oval diamond

This 3.99ct lab-grown oval 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 LG800670314 or 800670314. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.99
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800670314
Dimensions13.16 × 9.06 × 5.28 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.16 mm9.06 mm3.99 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800670314
Side View
Table 63.0%Crown 33.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £1,546 GBP|Low: £758 GBP|High: £2,975 GBP|Avg: £1,621 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
June 19, 2026
Retailer 5£758 GBP
Retailer 4£781 GBP
Retailer 1£1,546 GBP
Retailer 3£1,936 GBP
Retailer 2£2,705 GBP

10 data points across 5 retailers

1 retailer

B
Brilliant Earth
19639049B · Oct 29
£2,978 GBP
$3,990 USD
View

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B
3.99ct Oval
£2,978 GBP