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Oval|Lab Grown|IGI

4.92ct G VS1 Oval Lab Grown Diamond

EX • G/VS1 • IGI LG831646678

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG831646678

Diamond specifications and retailer prices

From £440 GBP
$590 USD
As of October 29, 2026
Save £347 GBP (44%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £6,045 GBP at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 4.92ct lab-grown oval diamond

This 4.92ct 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 LG831646678 or 831646678. 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

4.92
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831646678
Dimensions13.63 × 9.64 × 5.96 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.63 mm9.64 mm4.92 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831646678
Side View
Table 58.0%Crown 34.7°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £6,045 GBP|Low: £440 GBP|High: £6,232 GBP|Avg: £1,969 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4£440 GBP
Retailer 5£623 GBP
Retailer 2£788 GBP
Retailer 6£792 GBP
Retailer 7£1,704 GBP
Retailer 3£2,288 GBP
Brilliant Earth£6,045 GBP

37 data points across 7 retailers

4 retailers£440 GBP to £788 GBP

A
Cheapest Retailer
-
£440 GBP
$590 USD
Final sale: no returns
A
Retailer 2
-
£788 GBP
View
Retailer 3
-
£2,288 GBP
$3,065 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
21261535A · Oct 21
£6,045 GBP
$8,100 USD
View
Price last confirmed 9 days ago
3 more retailers have this diamond
Prices start from £440 GBPSave up to £347 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
4.92ct Oval
£440 GBP