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Oval|Lab Grown|IGI

4.79ct D VS1 Oval Lab Grown Diamond

EX • D/VS1 • IGI LG825676791

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825676791

Diamond specifications and retailer prices

From £650 GBP
$871 USD
As of October 29, 2026
Save £417 GBP (39%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,254 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.79ct lab-grown oval diamond

This 4.79ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825676791 or 825676791. Listed at 3 retailers as of October 29, 2026, with a 64% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.79
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825676791
Dimensions13.26 × 9.77 × 5.89 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.26 mm9.77 mm4.79 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825676791
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £4,254 GBP|Low: £650 GBP|High: £8,344 GBP|Avg: £2,125 GBP|-49.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3£650 GBP
Retailer 4£684 GBP
Retailer 2£1,067 GBP
Retailer 5£2,364 GBP
Brilliant Earth£4,254 GBP

35 data points across 5 retailers

3 retailers£650 GBP to £1,067 GBP

A
Cheapest Retailer
-
£650 GBP
$871 USD
Final sale: no returns
A
Retailer 2
-
£1,067 GBP
View
Most Expensive
Brilliant Earth
21229267A · Oct 30
£4,254 GBP
$5,700 USD
View
Price under review
2 more retailers have this diamond
Prices start from £650 GBPSave up to £417 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
4.79ct Oval
£650 GBP