Jewelry Image retouch

I am looking for very much professional Photoshop expart to retouch raw jewelry and give them emazing look for web advertisement. Work requirement is as below -
1. Replace image background to 255 white.
2. Retouch the jewelry with high quality.
3. Retouch stone or diamond to look like outstanding.

Other opportunities are available related to Photoshop and elastrator base work. Will be discussed later.

Thanks