I copied these prices from another post on this site. The person posting said these prices were for a Voyager Class ship. I can't vouch for any of them, since I will not be on my cruise until next year. The info here seems really reliable, so I'm guessing these are at least pretty good estimates.
Face
La Therapie Hydralift Facial (50 mins) - $109
La Therapie Intensif Age Zone Treatment (select two solutions) - add on $30
La Therapie Intensif Vitamin Anti-Oxidant Treatment - add on $30
Elemis Aromapure Facial (50 mins) - $109
Elemis Aromapure Time for Men Facial (50 mins) - $109
Body
Elemis Aroma Stone Therapy (75 mins) - $175
Elemis Deep Tissue Muscle Massage (50 mins) - $116
Swedish Massage (25 mins) - $72
Swedish Massage (50 mins) - $109
Reflexology (50 mins) - $109
Couples Massage (50 mins) - $242
Total Glow Self Tanning Treatment (50 mins) - $141
Exotics
Elemis Cellutox Aroma Spa Ocean Wrap or Float
with half body massage (90 mins) - $176
with full body massage (120 mins) - $228
with float - add on $15
Elemis Musclease Aroma Spa Ocean Wrap or Float
with half body massage (90 mins) - $176
with full body massage (120 mins) - $228
with float - add on $15
Exotic Lime & Ginger Salt Glow
with half body massage (50 mins) - $141
with full body massage (75 mins) - $178
Elemis Absolute Face and Body Treatment (100 mins) - $176
Bathing Rituals (25 mins) - $32
Firming
Ionithermie Cellulite Reduction Program (50 mins) - $132
Course of three - $330
Fitness
Personal Training (60 mins) - $83
Course of three - $210
Body Composition Analysis (BCA) (30 mins) - $33
Chakra Balancing Capsule (25 mins) - $50
Chakra Balancing Capsule (50 mins) - $66
Specialized Classes
Pathway to Yoga - $10
Pathway to Pilates - $10
Group Cycling - $10
Unlimited Class Pass/3 or 4 day cruise - $49
Unlimited Class Pass/5 or 7 day cruise - $69
Hair & Nails
Frangipani Hair & Scalp Conditioning Ritual (25 mins) - $29
Style Dry/Roller Setting - from $33
Trim or Restyle and Style Dry - from $57
Men's Wet Cut and Style Dry - from $25
Hair Up - from $33
Color & Style - from $54
Traditional Manicure (25 mins) - $28
Traditional Pedicure (45 mins) - $44
Elemis Exotic Hand Ritual with Manicure (45 mins) - $44
Elemis Sole Delight Foot Treatment with Pedicure (55 mins) - $61
Paraffin Wax Treatments for the Hands and Feet - add on $15