Check McKenzie-farms.com for red exterior/ pinkish pulp. I believe, you never know until fruiting. Great couple who run this farm. Might be a waiting list. I thought I sent an earlier message and it disappeared.
Check Etsy..saw expensive one $279. Red exterior/ wine red pulp
Check uscitrus.com
You in Cali. Many farms. Check YouTube.
Let me know on acquisitions,
Luck..