Best alternatives to sell some or all of my gem collection

Gem Related Discussion
7
  1. Imperial topaz emerald cut 76.4 CT’s
  2. Very rare color change tourmaline reddish orange to purple 49.2 CT’s
  3. Auquamarine deep blue 74.7 CT’s
  4. Apatite greenish gold fancy cut 48.02 ct
  5. Brazilian Amethyst 232.1 CT’s
  6. Citrine golden yellow 121.4 CT’s
  7. 2ea White Topaz trillion cut 110.1 CT’s and Oval 64.3 CT’s
  8. 4 ea Concave cut Yellow Citrine, Trillion cut 46.77 ct, Yellow oval 36.32 ct, greenish yellow trillion cut 33.84 ct, greenish yellow 63.57 ct
    Agaian these are all brilliantly concave cuts
  9. Deep blue oval Topaz 31.46 ct
  10. Rutiladed Qtz with black tourmaline needles 23.77 ct
  11. Pink Kunzite 25.55 ct
  12. Trapiche Emerald 1.8 ct
  13. Rutilated Qtz with Cocoxenite needles 6.3 CT’s

Pls let me know your thoughts. I do have more as well