Sapphire & 14k Yellow Gold Scarf Pin with Original Box Shreve & Co., San Francisco circa early 1900's   For my friends who love antique Jewelry, check out this piece of California History. Whenever I find early Shreve & Co. of San Francisco pieces with blue gemstones, I try to acquire them. From about 1907 to 1912, they used benitoite in some of thei… More info

Antique Yogo Sapphire & Pearl Yellow Gold Pin with G.I.A. Report 10k Y.G., 5.7cm / 2.25 inches   Here is a beautiful antique pin. Although there is no makers mark, it is marked 10K. It was sent to G.I.A., where they tested the largest sapphire to confirm they are Yogo sapphire. Yogo sapphire were commonly used in the early 1900s for jewelry made in the U.S… More info

Antique Yogo Sapphire & Pearl Gold Pin with G.I.A. Report 14k Y.G., 5.5 cm / 2.25 inches   Here is a beautiful antique pin. Although there is no makers mark, it is marked 14K. It was sent to G.I.A., where they tested just one of the sapphire to confirm they are Yogo sapphire. Yogo sapphire were commonly used in the early 1900s for jewelr… More info

Antique Yogo Sapphire & Diamond Gold Bar Pin with G.I.A. Report 14k, 5.9 cm / 2.4 inches   Here is a beautiful antique bar pin. Although there is no makers mark, it is marked 14K. It appear to be white gold over yellow gold. It has stunning detail. It was sent to G.I.A., where they tested the sapphire to confirm it is a Y… More info

Antique Yogo Sapphire & Diamond Gold Bar Pin with G.I.A. Report 14k, 6.8 cm / 2.75 inches   Here is a stunning antique bar pin. It is marked 14K, and has a mark of a rams horn type "Y". It appear to be white gold over yellow gold. It has stunning detail. It was sent to G.I.A., where they test… More info

Vintage Yogo Sapphire & Diamond Bracelet Mid-Century style, 7.25" inner Diameter 26.69 grams (total weight), with G.I.A. Report   Here is one amazing piece of vintage jewelry! This is truly a one-of-a-kind piece of custom mid-century jewelry.   This custom-made bracelet is said to be from the 1940s to 1950s. It's oval in design to better ke… More info