4 sentences

1. 这枚戒指上镶嵌着一颗红宝石。

   zhè méi jiè​zhi shàng xiāng​qiàn zhe yī kē hóng​bǎo​shí.

   A ruby is set in this ring.

   Source: Dong Chinese Dictionary

2. 这枚戒指上镶嵌着一颗巨大的宝石。

   zhè méi jiè​zhi shàng xiāng​qiàn zhe yī kē jù​dà de bǎo​shí.

   The ring is set with a giant gemstone.

   Source: Dong Chinese Dictionary

3. 这枚金戒指上镶嵌着一颗巨大的红宝石。

   zhè méi jīn jiè​zhi shàng xiāng​qiàn zhe yī kē jù​dà de hóng​bǎo​shí.

   This gold ring is set with a huge ruby.

   Source: Dong Chinese Dictionary

4. 这枚戒指上镶嵌着一块晶莹剔透的美碧。

   zhè méi jiè​zhi shàng xiāng​qiàn zhe yī kuài jīng​yíng​tī​tòu de měi​bì.

   This ring is set with a piece of translucent and beautiful green jade.

   Source: Dong Chinese Dictionary