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Oval|Lab Grown|IGI

4.90ct D VS1 Oval Lab Grown Diamond

EX • D/VS1 • IGI LG830686837

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830686837

Diamond specifications and retailer prices

From £728 GBP
$975 USD
As of October 29, 2026
Save £262 GBP (26%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £990 GBP at Loose Grown Diamond · As of October 30, 2026
View at Loose Grown Diamond

About this 4.9ct lab-grown oval diamond

This 4.9ct 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 LG830686837 or 830686837. Listed at 2 retailers as of October 29, 2026, with prices from £728 to £990, a £262 spread on the same certified stone. Loose Grown Diamond lists it at £990. 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

4.90
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830686837
Dimensions14.07 × 9.60 × 5.83 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.07 mm9.60 mm4.90 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830686837
Side View
Table 61.0%Crown 35.7°Girdle: THN-MEDPavilion 40.4°CuletDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £990 GBP|Low: £728 GBP|High: £1,037 GBP|Avg: £912 GBP|-4.6%
Loose Grown Diamond
Retailer 2
October 28, 2026
Retailer 2£728 GBP
Loose Grown Diamond£990 GBP

5 data points across 2 retailers

2 retailers£728 GBP to £990 GBP

A
Cheapest Retailer
-
£728 GBP
$975 USD
Final sale: no returns
Most Expensive
B+
Loose Grown Diamond
830686837 · Oct 30
£990 GBP
$1,326 USD
View
1 more retailer has this diamond
Prices start from £728 GBPSave up to £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
4.90ct Oval
£728 GBP