The regal emerald necklace of the Maharaja of Nawanagar.

The regal emerald necklace of the Maharaja of Nawanagar. The Maharaja of Nawanagar (present day Jamnagar in Gujarat) possessed a magnificent emerald and diamond necklace made from 17 rectangle-shaped emeralds weighing 277 carats The emerald forming the pendant weighed 70 carats and it's said that it was once a part of the collection of a Sultan of Turkey.