Stylevati Bhava offers 17 Inches Mangalsutra with Black Onyx and Signity Stone. Stylevati Bhava is an ISO 9001:2000 certified company. 17 Inches Mangalsutra with Black Onyx and Signity Stone features hanging pendent. The gross weight of the product is 18.52 grams and it is crafted in 22K yellow gold.