Singer Katy Perry accessorized with spinel and diamond earrings and a spinel and diamond ring by Ivy New York.

Singer Katy Perry accessorized with spinel and diamond earrings and a spinel and diamond ring by Ivy New York.

Alicia Keys accessorized with Stephen Webster’s 18-karat white gold ring with crystal haze hematite and white and black diamonds.

Singer Sara Bareilles, who has appeared in Glee and Dancing with the Stars, wore Penny Preville’s pear-shaped, rose-cut pink opal earrings in 18-karat gold.

Anna Faris of the just-aired CBS series Mom donned Sutra’s blue sapphire and diamond earrings.

Actress Hilary Duff attended the Clive Davis pre-Grammy party wearing the 14-karat rose gold and diamond “Lisa Michelle” ring ($6,160) by Dana Rebecca Designs.

Anna Kendrick of Pitch Perfect wore Chimento’s diamond earrings.

Singer and actress Jennifer Hudson wore Jack Vartanian’s “Gala” diamond ring.

Victorious’ Ariana Grande wore Effy’s 14-karat white gold, freshwater pearl and diamond ring ($950) and earrings ($995).

The Insider host Keltie Knight wore 18-karat white gold earrings with round brilliant diamonds ($5,400) and 18-karat white gold ring with round brilliant diamonds ($12,250) from Michael John Jewelry.

Chloe Green, who came to the awards show with singer Marc Anthony, accessorized with Silliam’s 18-karat gold and brown diamond “Elipse” earrings and 18-karat white and yellow gold pavé diamond bracelets (all pieces price upon request).

Spike TV host Justine Ezarik donned Kat Florence’s 18-karat gold necklace with zultanite and diamonds ($74,690) and 18-karat yellow gold ring with sphene, a stone from Madagascar, and white diamonds ($12,950).