Macracantha arcuata
(Long-horned Orb-weaver, Curved Spiny Spider)

Our guide, who was Australian, called this a Jewel Spider. That doesn't seem right to me based solely on range.

Submitted by:
neoscona
Submitted: Jan 3, 2019
Photographed: Feb 17, 2018
Spider: Macracantha arcuata (Long-horned Orb-weaver, Curved Spiny Spider)
Location: Kerala State. Approximate lat/long: 10.1212617,76.7547033, India
Spotted Outdoors: Low foliage (shrubs, herbs, garden, excluding flowers),Forest
Found in web?: Yes
Attributes: Webs