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Oval|Lab Grown|IGI

3.99ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG844664250

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844664250

Diamond specifications and retailer prices

From £685 GBP
$918 USD
As of October 30, 2026
Save £1,543 GBP (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,228 GBP at MOH London · As of October 29, 2026
View at MOH London

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 LG844664250 or 844664250. Listed at 5 retailers as of October 29, 2026, with prices from £685 to £2,228, a £1,543 spread on the same certified stone. MOH London lists it at £2,228. 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 angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844664250
Dimensions12.85 × 8.99 × 5.41 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.85 mm8.99 mm3.99 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844664250
Side View
Table 65.0%Crown 35.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.2%

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 30
Current: £2,228 GBP|Low: £685 GBP|High: £2,240 GBP|Avg: £1,216 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3£685 GBP
Retailer 4£774 GBP
Retailer 2£796 GBP
Retailer 5£1,231 GBP
Retailer 6£1,656 GBP
MOH London£2,228 GBP

17 data points across 6 retailers

5 retailers£685 GBP to £2,228 GBP

B+
Cheapest Retailer
-
£685 GBP
$918 USD
A
Retailer 2
-
£796 GBP
View
B+
Retailer 3
-
£1,231 GBP
$1,650 USD
View
B+
Retailer 4
-
£1,656 GBP
$2,219 USD
View
Most Expensive
B
MOH London
LG844664250 · Oct 29
£2,228 GBP
View
4 more retailers have this diamond
Prices start from £685 GBPSave up to £1,543 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
3.99ct Oval
£685 GBP