Black Opal, Diamond, Sapphire and Platinum Brooch
Source: Skinner Auctions via Pinterest
seen from Russia
seen from Netherlands
seen from Russia

seen from Sweden
seen from United States

seen from Brazil

seen from Belgium

seen from France

seen from United States
seen from United States
seen from Belarus
seen from Malaysia
seen from Russia
seen from United States

seen from Türkiye

seen from United States

seen from France

seen from United States

seen from United States
seen from Nigeria
Black Opal, Diamond, Sapphire and Platinum Brooch
Source: Skinner Auctions via Pinterest
A very strange Officer's sword with a blade of 43 1/2 inches/110.5 cm.
English, ca. late 18th century, from Skinner Auction House.
This piece strikes me as something that may be a composite sword. Unfortunately there are no other angles available.
Antique Opal and Diamond Brooch In Platinum
Source: Skinner Auctions via Pinterest
Amethyst, Diamond and Platinum Earrings by Cartier
Source: Skinner Auctions via Pinterest
Moonstone Cameo, Sapphire and Yellow Gold Pendant + Necklace, Circa 1920
24¾" in length, sold for $14,220 by Skinner Auctions
Photo: Skinner Auctions via Pinterest
Opal and Diamond Dinner/Cocktail Ring Sold by Skinner Auctions
Source: Tan Chee Seng via Pinterest
Art Deco Tutti Frutti Pendant Watch by Mauboussin, France, Showcasing Carved Ruby, Sapphire and Emerald Blossoms and Various Cut Diamonds
Source: Skinner Auctions via Pinterest
Pink Sapphire, Diamond and Pearl Brooch by T.B. Starr
Photo: Skinner Auctions