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Marquise|Lab Grown|IGI

4.58ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG826654703

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826654703

Diamond specifications and retailer prices

From £1,438 GBP
A$2,968 AUD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: £3,711 GBP at Brilliant Earth · As of September 26, 2026
View at Brilliant Earth

About this 4.58ct lab-grown marquise diamond

This 4.58ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826654703 or 826654703. Listed at 2 retailers as of November 2, 2026. 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

4.58
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826654703
Dimensions17.57 × 8.61 × 5.33 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.57 mm8.61 mm4.58 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826654703
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £3,711 GBP|Low: £878 GBP|High: £4,933 GBP|Avg: £2,578 GBP|-0.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 9, 2026
Retailer 5£878 GBP
Retailer 4£1,069 GBP
Retailer 2£1,438 GBP
Brilliant Earth£3,711 GBP
Retailer 3£4,933 GBP

4 data points across 5 retailers

2 retailers

A
Cheapest Retailer
-
£1,438 GBP
A$2,968 AUD
Most Expensive
Brilliant Earth
20994327Y · Sep 26
£3,711 GBP
$4,980 USD
View
Price last confirmed 37 days ago
1 more retailer has this diamond
Prices start from £1,438 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
4.58ct Marquise
£1,438 GBP