Check out the Meze Audio cables on Amazon:
3m Cable for 99 Classics (Gold)
https://www.amazon.com/dp/B0756HSDNK/ref=cm_sw_r_cp_api_glt_fabc_K956ZZ8AAFYSY0J8RC2P
Also NewFantasia Cables:
NewFantasia Silver Plated Replacement Cable with Dual 3.5mm Male to 3.5mm 1/8" Male and 6.3mm 1/4" Adapter Compatible with Hifiman HE4XX, HE-400i Headphones (The Latest Version with Dual 3.5mm Male)
https://www.amazon.com/dp/B07J2J3MCW/ref=cm_sw_r_awdo_navT_a_M68E84B85KMFC90PKYAC
NewFantasia Replacement Audio Cable Compatible with Hifiman Sundara, Arya, Ananda Headphones 3.5mm and 6.35mm to Dual 3.5mm Connector Jack Male Cord 3.1meters/10ft
https://www.amazon.com/dp/B08D8WVHK...abc_G2ZCKZDRJ39X68W7M3T6?_encoding=UTF8&psc=1
Etsy has great looking custom cables, but definitely check the reviews and return policy/warranty before you buy.
Hart Audio Cables, but the cable will need an add on interconnect to run 1/4” or 3.5mm to your amplifier, unless running balanced.
All should be under $100, but if you want to push the budget higher there are more premium cables out there.
Hopefully this information was helpful.