My most 'prized' possession:
About 14 inches high (36 cm) and gold plated
I bought that one from the Amitabha Society of Singapore. They don't always have them in stock and the last I checked, they were out, but that was over a year ago. They may have some now.
At Bodh Gaya there are several smaller plaster and stone and marble replicas for a much cheaper price than the above, but they are difficult to find outside of India. I have tried googling, but can't find any right now.
Stupas and Maha Bodhi replicas are my favorite shrine items. I have many Buddha statues, but the Maha Bodhi replicas are my favorite. To me it represents the fourfold community, the Buddha, the enlightenment, and the vast history of pilgrimage and how hundreds, perhaps thousands gave their life in pursuit of getting a glimpse of the Maha Bodhi Temple, the 'Mecca' for Buddhists.