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Oval|Lab Grown|IGI

4.88ct G VS1 Oval Lab Grown Diamond

EX • G/VS1 • IGI LG826699400

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG826699400

Diamond specifications and retailer prices

From £431 GBP
$578 USD
As of October 31, 2026
Save £5,562 GBP (93%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,993 GBP at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 4.88ct lab-grown oval diamond

This 4.88ct 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 LG826699400 or 826699400. Listed at 4 retailers as of October 27, 2026, with prices from £431 to £5,993, a £5,562 spread on the same certified stone. Brilliant Earth lists it at £5,993. 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

4.88
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826699400
Dimensions13.81 × 9.46 × 5.94 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.81 mm9.46 mm4.88 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826699400
Side View
Table 57.0%Crown 36.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £5,993 GBP|Low: £431 GBP|High: £5,993 GBP|Avg: £1,686 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3£431 GBP
Retailer 5£616 GBP
Retailer 2£774 GBP
Retailer 6£778 GBP
Retailer 4£2,411 GBP
Brilliant Earth£5,993 GBP

37 data points across 6 retailers

4 retailers£431 GBP to £5,993 GBP

A
Cheapest Retailer
-
£431 GBP
$578 USD
Final sale: no returns
A
Retailer 2
-
£774 GBP
View
Retailer 3
-
£2,411 GBP
$3,230 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21350573A · Oct 27
£5,993 GBP
$8,030 USD
View
3 more retailers have this diamond
Prices start from £431 GBPSave up to £5,562 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
4.88ct Oval
£431 GBP