David Webb Hammered 18K Yellow Gold Collar Necklace. This textured 18K yellow gold necklace was crafted by the legendary David Webb. The Madison Avenue-based designer is known for his exuberant designs and luxurious taste. Marked by a bold geometric design, this 18K yellow gold necklace by David Webb makes a fashionable statement. Its hand-hammered texture is a signature of the New York-based designer, symbolizing the uniqueness and hand-executed artistry of David Webb's creations. Center Diamond Weight: 0.00 Measurements: 15 inches Metal Type: 18K Yellow Gold Metal Weight: 190.3 gr. Signed: WEBB Condition: Excellent Stock: RR5763