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Oval|Lab Grown|IGI

3.94ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG797664946

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG797664946

Diamond specifications and retailer prices

From £399 GBP
$534 USD
As of October 29, 2026
Save £2,699 GBP (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £3,097 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.94ct lab-grown oval diamond

This 3.94ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797664946 or 797664946. Listed at 24 retailers as of October 29, 2026, with prices from £399 to £3,097, a £2,699 spread on the same certified stone. Brilliant Earth lists it at £3,097. 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

3.94
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797664946
Dimensions12.55 × 8.84 × 5.43 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.55 mm8.84 mm3.94 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797664946
Side View
Table 64.0%Crown 35.1°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £3,097 GBP|Low: £387 GBP|High: £3,097 GBP|Avg: £1,106 GBP
Brilliant Earth
Retailer 2
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November 1, 2026
Retailer 4£399 GBP
Retailer 3£446 GBP
Retailer 17£446 GBP
Retailer 14£494 GBP
Retailer 16£494 GBP
Retailer 18£563 GBP
Retailer 23£593 GBP
Retailer 9£729 GBP
Retailer 13£764 GBP
Retailer 19£766 GBP
Retailer 20£835 GBP
Retailer 21£1,043 GBP
Retailer 22£1,072 GBP
Retailer 24£1,087 GBP
Retailer 5£1,271 GBP
Retailer 6£1,299 GBP
Retailer 10£1,433 GBP
Retailer 12£1,590 GBP
Retailer 15£1,604 GBP
Retailer 11£1,624 GBP
Retailer 7£1,685 GBP
Retailer 8£2,072 GBP
Retailer 2£2,411 GBP
Brilliant Earth£3,097 GBP

32 data points across 24 retailers

24 retailers£399 GBP to £3,097 GBP

A
Cheapest Retailer
-
£399 GBP
$534 USD
A
Retailer 2
-
£446 GBP
$598 USD
View
Final sale: no returns
A
Retailer 3
-
£446 GBP
$598 USD
View
A
Retailer 4
-
£494 GBP
$662 USD
View
Retailer 5
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£494 GBP
$662 USD
View
Price last confirmed 16 days ago
A
Retailer 6
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£563 GBP
View
A
Retailer 7
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£593 GBP
$795 USD
View
A
Retailer 8
-
£729 GBP
$977 USD
View
B+
Retailer 9
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£764 GBP
$1,024 USD
View
A
Retailer 10
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£766 GBP
View
A
Retailer 11
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£835 GBP
€1,066 EUR
View
A
Retailer 12
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£1,043 GBP
A$2,149 AUD
View
A
Retailer 13
-
£1,072 GBP
ZAR 23,212 ZAR
View
A
Retailer 14
-
£1,087 GBP
$1,457 USD
View
B+
Retailer 15
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£1,271 GBP
$1,703 USD
View
B+
Retailer 16
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£1,299 GBP
$1,740 USD
View
B+
Retailer 17
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£1,433 GBP
View
B+
Retailer 18
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£1,590 GBP
$2,130 USD
View
B+
Retailer 19
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£1,604 GBP
$2,149 USD
View
B+
Retailer 20
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£1,624 GBP
$2,176 USD
View
B+
Retailer 21
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£1,685 GBP
$2,258 USD
View
B
Retailer 22
-
£2,072 GBP
View
B
Retailer 23
-
£2,411 GBP
$3,230 USD
View
Most Expensive
B
Brilliant Earth
20238196A · Oct 31
£3,097 GBP
$4,150 USD
View
23 more retailers have this diamond
Prices start from £399 GBPSave up to £2,699 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
3.94ct Oval
£399 GBP