Нашла рекомендации:
http://www.biser-master.ru/11-foto.html
http://goodshoot.ru/february-2011/124-jewelery-kak-snimat-v-domasnix-usloviax.html
http://jck.webphotoschool.com/Techniques_for_Shooting_Jewelry/index.html
http://jck.webphotoschool.com/Great_Jewelry_Pictures_with_the_First_Studio_Product_Kit/index.html
Как фотографировать жемчуг:
http://jck.webphotoschool.com/Photographing_Pearls_that_Sell/index.html