This 10K yellow gold pendant features a 0.34 ct. t.w. created ruby with a 0.036 ct. t.w. open heart diamond measured at 16-mm. length x 15.48-mm. width. Almost all gemstones have been treated to enhance their color and require special care. 1 Ruby, 1 Diamond Spring Ring Clasp Imported Material & Care Ruby Use gold polishing cloth on gold items.