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Oval|Lab Grown|IGI

3.94ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG816679538

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816679538

Diamond specifications and retailer prices

From £399 GBP
$534 USD
As of October 29, 2026
Save £1,858 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,256 GBP at With Clarity · As of October 31, 2026
View at With Clarity

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 LG816679538 or 816679538. Listed at 13 retailers as of October 29, 2026, with prices from £399 to £2,256, a £1,858 spread on the same certified stone. With Clarity lists it at £2,256. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816679538
Dimensions12.66 × 8.82 × 5.43 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.66 mm8.82 mm3.94 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816679538
Side View
Table 59.0%Crown 37°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.6%

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 29
Current: £2,061 GBP|Low: £399 GBP|High: £2,340 GBP|Avg: £1,315 GBP|-9.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 1, 2026
Retailer 4£399 GBP
Retailer 10£446 GBP
Retailer 5£563 GBP
Retailer 6£752 GBP
Retailer 12£785 GBP
Retailer 7£1,043 GBP
Retailer 9£1,274 GBP
Retailer 8£1,276 GBP
Retailer 2£1,299 GBP
Retailer 11£1,730 GBP
Retailer 3£1,997 GBP
Retailer 1£2,061 GBP
With Clarity£2,256 GBP

32 data points across 13 retailers

13 retailers£399 GBP to £2,256 GBP

A
Cheapest Retailer
-
£399 GBP
$534 USD
A
Retailer 2
-
£446 GBP
$598 USD
View
A
Retailer 3
-
£563 GBP
View
A
Retailer 4
-
£752 GBP
€959 EUR
View
A
Retailer 5
-
£785 GBP
$1,052 USD
View
A
Retailer 6
-
£1,043 GBP
A$2,149 AUD
View
B+
Retailer 7
-
£1,274 GBP
$1,707 USD
View
B+
Retailer 8
-
£1,276 GBP
$1,710 USD
View
B+
Retailer 9
-
£1,299 GBP
$1,740 USD
View
B+
Retailer 10
-
£1,730 GBP
$2,318 USD
View
Retailer 11
-
£1,997 GBP
SGD 3,615 SGD
View
Price last confirmed 19 days ago
B
Retailer 12
-
£2,061 GBP
View
Most Expensive
B
With Clarity
816679538 · Oct 31
£2,256 GBP
$3,023 USD
View
12 more retailers have this diamond
Prices start from £399 GBPSave up to £1,858 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