Custom Carved Perdot with Natural Yellow Diamonds 18k Yellow Gold Necklace Custom carved peridot enhancer. 4.75 ct. fine deep yellow/green, from Germany. Triangular open work. accented with round natural color diamonds,yellow and green tones, in 18k yellow gold, with an 18k nautical cable necklace. More Pieces Emerald Cut Diamond & Blue Sapphire Platinum Guard Ring An Emerald cut diamond and blue sapphire guard ring. Diamonds are top white color, sapphires are fine bright blue. In platinum, with split channel detail between stones. Black & White Pave Diamond Ring in White Gold Black and white pave' diamond ring. A classic vintage style, in14k white gold, with antique beaded bezels. Wedding Band, Two Tone Polished A wedding band, two tone polished and glass bead finish. Ergo fit in a square profile, channel set diamonds finish the look.