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Radiant|Lab Grown|IGI

4.56ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG650491958

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG650491958

Diamond specifications and retailer prices

From £1,083 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: £1,083 GBP at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 4.56ct lab-grown radiant diamond

This 4.56ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG650491958 or 650491958. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

4.56
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650491958
Dimensions11.93 × 8.21 × 5.35 mm
L/W Ratio1.45
Top View
11.93 mm8.21 mm4.56 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650491958
Side View
Table 67.0%Crown 45.1°Girdle: MediumPavilion 34°CuletDepth 65.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £1,083 GBP|Low: £1,083 GBP|High: £1,083 GBP|Avg: £1,083 GBP
September 26, 2026
Diamond Quarter£1,083 GBP

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
4.56VS1HLG586FE0N · Nov 2
£1,083 GBP
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B+
4.56ct Radiant
£1,083 GBP