giva

Giva
(noun); pronounced like 'g' in gum: Gah-EE-va;
1. A gay diva. 2. A non-conventional individual who appreciates fine material possessions, styles, and tastes. 3. A non-conformist who exudes glamour.

e.g., My best friend is such a giva; his advice is spot-on in every genre I've asked about.