Arrow Necklace Modern .45 Round Brilliant & Trilliant Cut Diamonds in 14K Yellow GoldThis Modern Era pendant is a creative use of diamonds. Fixed into the chain is an arrow shape make of a . 45 carat trillion shaped diamond and a . 24 carat round brilliant cut diamond which are connected by a thing line of gold. The pendant and cable link style chain are made in 14 karat yellow gold, and the pendant measures 21 inches in length.