Rating: AB. Condition description: A few traces of usage some scratches . This beautiful Tiffany & Co. diamond halo pendant necklace features a classic design with a round brilliant-cut center diamond that is surrounded by a halo of smaller diamonds. The pendant hangs from a delicate 16-inch chain. This necklace is perfect for any special occasion. Luxurious diamond halo pendant necklace . Crafted from platinum . Features a round brilliant. cut center diamond surrounded by a halo of smaller diamonds . Delicate 16. inch chain . Perfect for any special occasion.