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Oval|Lab Grown|IGI

4.85ct G VS1 Oval Lab Grown Diamond

EX • G/VS1 • IGI LG826690550

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG826690550

Diamond specifications and retailer prices

From £428 GBP
$574 USD
As of October 31, 2026
Save £340 GBP (44%) vs most expensive(unlock to see where)
3 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 LG826690550 or 826690550. Listed at 3 retailers as of October 30, 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 angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826690550
Dimensions13.20 × 9.66 × 6.08 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.20 mm9.66 mm4.85 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826690550
Side View
Table 61.0%Crown 34.5°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £2,396 GBP|Low: £428 GBP|High: £2,433 GBP|Avg: £1,311 GBP|-1.5%
Rare Carat
Retailer 2
Retailer 3
October 30, 2026
Retailer 3£428 GBP
Retailer 2£769 GBP
Rare Carat£2,396 GBP

37 data points across 3 retailers

3 retailers£428 GBP to £769 GBP

A
Cheapest Retailer
-
£428 GBP
$574 USD
Final sale: no returns
A
Retailer 2
-
£769 GBP
View
Most Expensive
Rare Carat
826690550 · Oct 21
£2,396 GBP
$3,210 USD
View
Price last confirmed 10 days ago
2 more retailers have this diamond
Prices start from £428 GBPSave up to £340 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
£428 GBP