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Oval|Lab Grown|IGI

4.85ct G VS1 Oval Lab Grown Diamond

EX • G/VS1 • IGI LG831603193

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG831603193

Diamond specifications and retailer prices

From £434 GBP
$582 USD
As of October 29, 2026
Save £342 GBP (44%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,396 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.85ct lab-grown oval diamond

This 4.85ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831603193 or 831603193. Listed at 4 retailers as of October 29, 2026, with a 79% 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

4.85
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831603193
Dimensions13.48 × 9.72 × 5.93 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.48 mm9.72 mm4.85 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831603193
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £2,396 GBP|Low: £434 GBP|High: £2,433 GBP|Avg: £1,180 GBP|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 3£434 GBP
Retailer 5£619 GBP
Retailer 2£777 GBP
Retailer 6£782 GBP
Retailer 4£1,240 GBP
Retailer 8£1,297 GBP
Retailer 7£1,682 GBP
Rare Carat£2,396 GBP

36 data points across 8 retailers

4 retailers£434 GBP to £777 GBP

A
Cheapest Retailer
-
£434 GBP
$582 USD
Final sale: no returns
A
Retailer 2
-
£777 GBP
View
Retailer 3
-
£1,240 GBP
$1,661 USD
View
Price last confirmed 45 days ago
Most Expensive
Rare Carat
831603193 · Oct 21
£2,396 GBP
$3,210 USD
View
Price last confirmed 9 days ago
3 more retailers have this diamond
Prices start from £434 GBPSave up to £342 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
4.85ct Oval
£434 GBP