John Hardy. Bamboo 18k Gold Pave Diamond Small Round Pendant Necklace. Radiant diamonds refine the nature-inspired motif of this John Hardy pendant necklace. From the Bamboo Collection. 18-karat yellow gold. Round bamboo-bezel pendant with white pave diamonds. Box chain necklace with lobster clasp. 0.26 total diamond carat weight. Handcrafted in Bali. About this collection:. The Bamboo Collection is a tribute to the beauty, strength, and versatility of bamboo. John Hardy is one of the first companies to take a position on global warming to offset the carbon emissions of its print advertising, business travel and electricity by planting bamboo in Bali. For each piece sold from the bamboo collection, a number of bamboo seedlings will be planted by John Hardy. By wearing Bamboo consumers help plant bamboo and declare their commitment to style and sustainability.