3 sentences

1. 这套金饰的样式非常古朴精美。

   zhè tào jīn shì de yàng​shì fēi​cháng gǔ​pǔ jīng​měi.

   The style of this gold jewelry set is very simple and exquisite.

   Source: Dong Chinese Dictionary

2. 这个花瓶是用陶烧制而成的，质地很古朴。

   zhè​ge huā​píng shì yòng táo shāo​zhì ér chéng de, zhì​dì hěn gǔ​pǔ.

   This vase is made of fired clay, with a very simple and rustic texture.

   Source: Dong Chinese Dictionary

3. 这张琴的音色古朴，是他请老师傅用老杉木精心制作的。

   zhè zhāng qín de yīn​sè gǔ​pǔ, shì tā qǐng lǎo​shī​fu yòng lǎo shān​mù jīng​xīn zhì​zuò de.

   The tone of this guqin is antique and simple; he had an old master craftsman carefully create it using aged fir wood.

   Source: Dong Chinese Dictionary