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Radiant|Lab Grown|IGI

19.46ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG803620745

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG803620745

Diamond specifications and retailer prices

About this 19.46ct lab-grown radiant diamond

This 19.46ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803620745 or 803620745. Listed at 5 retailers as of October 28, 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

19.46
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803620745
Dimensions23.04 × 12.05 × 6.83 mm
L/W Ratio1.91
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
23.04 mm12.05 mm19.46 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803620745
Side View
Table 64.0%Crown 35.8°Girdle: MED-STKPavilion 35.7°Culet: LargeDepth 56.7%

Caratlytics Score

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B
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Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £1,879,834 GBP|Low: £1,518,029 GBP|High: £2,985,240 GBP|Avg: £2,327,944 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2£1,558,512 GBP
Retailer 1£1,879,834 GBP
Retailer 4£1,946,972 GBP
Retailer 3£2,983,925 GBP
Retailer 5£2,985,240 GBP

3 data points across 5 retailers

5 retailers

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.

B
19.46ct Radiant