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Oval|Lab Grown|IGI

3.90ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG794638343

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG794638343

Diamond specifications and retailer prices

From £372 GBP
$499 USD
As of October 29, 2026
Save £2,262 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,635 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.9ct lab-grown oval diamond

This 3.9ct 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 LG794638343 or 794638343. Listed at 21 retailers as of October 29, 2026, with prices from £372 to £2,635, a £2,262 spread on the same certified stone. Brilliant Earth lists it at £2,635. 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

3.90
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794638343
Dimensions13.36 × 8.69 × 5.03 mm
L/W Ratio1.54
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.36 mm8.69 mm3.90 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794638343
Side View
Table 63.0%Crown 33.9°Girdle: ThickPavilion 37.4°Culet: NoneDepth 57.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £2,635 GBP|Low: £357 GBP|High: £2,635 GBP|Avg: £1,060 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
October 31, 2026
Retailer 16£372 GBP
Retailer 7£417 GBP
Retailer 3£462 GBP
Retailer 9£462 GBP
Retailer 13£563 GBP
Retailer 2£703 GBP
Retailer 8£706 GBP
Retailer 4£718 GBP
Retailer 11£768 GBP
Retailer 15£1,075 GBP
Retailer 5£1,169 GBP
Retailer 6£1,214 GBP
Retailer 17£1,611 GBP
Retailer 12£1,884 GBP
Retailer 10£1,894 GBP
Retailer 14£1,930 GBP
Brilliant Earth£2,635 GBP

45 data points across 17 retailers

21 retailers£372 GBP to £2,635 GBP

Retailer 1
-
£372 GBP
$499 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£372 GBP
$499 USD
View
A
Retailer 3
-
£417 GBP
$559 USD
View
Retailer 4
-
£456 GBP
$611 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
£462 GBP
$619 USD
View
Retailer 6
-
£462 GBP
$619 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
£563 GBP
$755 USD
View
A
Retailer 8
-
£703 GBP
€897 EUR
View
A
Retailer 9
-
£706 GBP
$946 USD
View
B+
Retailer 10
-
£718 GBP
$962 USD
View
A
Retailer 11
-
£768 GBP
View
B+
Retailer 12
-
£1,075 GBP
$1,441 USD
View
B+
Retailer 13
-
£1,169 GBP
$1,567 USD
View
B+
Retailer 14
-
£1,214 GBP
$1,627 USD
View
B+
Retailer 15
-
£1,504 GBP
$2,015 USD
View
B+
Retailer 16
-
£1,611 GBP
$2,159 USD
View
B+
Retailer 17
-
£1,727 GBP
$2,314 USD
View
B
Retailer 18
-
£1,884 GBP
$2,525 USD
View
B
Retailer 19
-
£1,894 GBP
A$3,905 AUD
View
B
Retailer 20
-
£1,930 GBP
View
Most Expensive
B
Brilliant Earth
19011248A · Oct 29
£2,635 GBP
$3,530 USD
View
20 more retailers have this diamond
Prices start from £372 GBPSave up to £2,262 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
3.90ct Oval
£372 GBP