Regency Aquamarine Necklace with Old Mine Diamonds, circa 1815–1820

Among the very rarest and most valuable gemstones on the planet, the Paraiba Tourmaline is found in very few places on earth, but those from the original source -Brazil- are by far t...

This turquoise nugget paperclip silver 52" necklace was created in the Arts & Crafts Style, most likely in the 1970s. The 3.73mm wide paperclip silver links are punctuated by the most gorgeous, fascinating, natural turquoise nuggets. The turquoise stones seem to me to be from several different mines, making this something of a turquoise "specimen necklace." Bisbee, possibly Lander Blue...

This rich emerald green necklace possesses extravagance beauty. The slightly mottled beads are uniform in size and shape and possess a fine high polish. These 103 gleaming natural a...

A rare, non-irradiated natural yellow diamond weighing .60 carats is the heart and soul of this magnificent and truly rare 22" pendant. Today, virtually all fancy-color diamonds achi...

Aquamarine and diamond pendant. Set with one octagonal scissor cut natural unenhanced aquamarine in an open back split claw setting with an approximate weight of 17.00 carats, set to top with three round old cut diamonds in open back rubover settings with a combined approximate weight of 0.20 carats, to a large drop pendant...

A refined example of Edwardian elegance, this pendant is crafted with a 14 karat yellow gold base and a platinum top, showcasing a stunning approximately 7.50 carat aquamarine as its...

Old pendant with a large natural claw set Aquamarine surrounded with Diamonds halo. Likely German hand- made, ca. 19th cent. Silver clusters on solid 14K Green Gold. Measures : 31 m...

A stunning antique 10.97 carat aquamarine and 1.57 carat topaz, 1.42 carat diamond and platinum necklace; part of our diverse antique jewelry and estate jewelry collections. This stunning, fine and impressive antique pendant has been crafted in platinum. The drop style pendant has a scalloped edged, pierced decorated quatrefoil design, ornamented to the center with a claw set round mixed cut aquamarine. The millegrain decorated setting is embellished with four bezel set Old European round cut and eighty-eight pavé set Dutch cut diamonds. The feature setting suspends from a four claw set 1.57Ct cushion cut blue topaz via two articulated linear drops. The articulated linear drops are each set with three bezel set Old European round cut diamonds. The pendant suspends from a 17" fine belcher chain via two ring loops to the upper border of the topaz setting, securing with a conventional spring loaded bolt ring fastening to the reverse. This 1920s aquamarine and diamond pendant has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum. The necklace is supplied with an independent diamond grading report card. Condition: This stunning antique 1920s necklace...