Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Red diamond
Table title:
Notable red diamonds
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Red Diamond </th><th colspan=1 rowspan=1 > Weight (carat) </th><th colspan=1 rowspan=1 > Notability </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Moussaieff Red Diamond </td><td class="highlighted"  colspan=1 rowspan=1 > 5.11 </td><td class="highlighted"  colspan=1 rowspan=1 > Largest red diamond in the world, discovered in the 1990s by a Brazilian farmer in the Abaetezinho River </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Kazanjian Red Diamond </td><td colspan=1 rowspan=1 > 5.05 </td><td colspan=1 rowspan=1 > Second largest red diamond in the world </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > DeYoung Red Diamond </td><td colspan=1 rowspan=1 > 5.03 </td><td colspan=1 rowspan=1 > Acquired at an estate sale by Sydney de Young where it was sold as a garnet hat pin </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Hancock Red </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Purchased by Montana rancher Warren Hancock in the 1950s and sold for a 6500% profit in 1987 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Rob Red </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > The purest red diamond measured visually and instrumentally to date in the world </td></tr>
<tr> <td colspan=1 rowspan=1 > Supreme Purple Star </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > From one angle, it appears to have a deep purple color, when the diamond is rotated in the light, it looks purplish red </td></tr>
</table>
Question:
What is the largest red diamond in the world and what does it weigh?
Answer:
The largest red diamond in the world is the Moussaieff Red Diamond, which weighs 5.11 carats.