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Radiant|Lab Grown|IGI

0.63ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG643411992

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

Certificate IGI LG643411992

Diamond specifications and retailer prices

From £407 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: £407 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 0.63ct lab-grown radiant diamond

This 0.63ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG643411992 or 643411992. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.63
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.5°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643411992
Dimensions5.85 × 4.29 × 2.88 mm
L/W Ratio1.36
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.85 mm4.29 mm0.63 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643411992
Side View
Table 62.0%Crown 29.5°Girdle: Slightly ThickPavilion 31.7°Culet: NoneDepth 67.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £694 GBP|Low: £196 GBP|High: £1,022 GBP|Avg: £518 GBP|+0.3%
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March 23, 2026
Retailer 5£196 GBP
Retailer 9£210 GBP
Retailer 14£305 GBP
Retailer 7£403 GBP
Retailer 10£425 GBP
Retailer 3£450 GBP
Retailer 13£465 GBP
Retailer 12£515 GBP
Retailer 11£664 GBP
Retailer 15£670 GBP
Retailer 8£687 GBP
Retailer 1£694 GBP
Retailer 6£830 GBP
Retailer 4£982 GBP
Retailer 2£1,022 GBP

46 data points across 15 retailers

1 retailer

B
Diamond Quarter
0.63VVS1DLG92709CN · Oct 31
£407 GBP
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B
0.63ct Radiant
£407 GBP