20th Century Opal Diamond 18 Karat Yellow Gold Platinum Pendant

Pendant in 18 karat yellow gold, eagle head hallmark. A charming keepsake pendant featuring 2 faceted rock crystals held in a delicately chased gold frame. A hinge on the side provid...

Brooch in 18 Karat yellow gold. Charming round antique brooch set in the center with a round cabochon opal in a setting of antique-cut diamonds se...

Pendant in 18 karat white and yellow gold. A drop-shaped Art Deco diamond pendant, openwork and set with falling rose-cut diamonds in a chased design on its lower half. At the center...

Pendant in 18 karat yellow gold, eagle head hallmark. Sumptuous antique pendant medallion, it is of round shape, openworked, engraved and chiseled, and decorated in application on its two faces, of floral pattern and arabesques. 4 natural button pearls...

Ladies opal and diamond pendant in 14k yellow gold setting. Stamped 14k and weighs 4.8 grams gross weight. Beautiful solid opal with blue, green and red play of color. The measuremen...

A stunning antique 2.88 carat opal and 0.84 carat diamond, seed pearl and 15 karat yellow and white gold pendant with 9 karat yellow gold chain; part of our diverse antique jewelry collections. This stunning, fine and impressive pearl has been crafted in 15k yellow and white gold with a 9k yellow gold rolo chain. The articulated kite shaped frame displays a feature 2.88Ct kite shaped panel, bezel set to a 15k yellow gold frame. Two articulated concentric kite shaped frames surround the feature opal, the inner 15k white gold frame embellished with thirty-three pavé set old mine cut diamonds The outer scalloped edged 15k yellow gold frame is ornamented with thirty-five seed pearls, graduated in size. The opal setting and surrounding frames suspend and articulate via a 15k white gold vertical linear setting, embellished with a further nine old mine cut diamonds. The pendant suspends from a 9k yellow gold 20" rolo chain via a shaped ring...

Finely detailed vintage opal & diamond pendant crafted in 14 karat yellow gold (circa 1970s). Cabochon cut opal measures 29mm x 21mm (estimated at 19 carats), accented with an esti...

A platinum and 18 karat yellow gold filigree frame surrounds an oval opal in classic Edwardian splendor. Approximately 2.00 carats of diamonds create the floral-themed border, with each edge finished with millgrain. The opal is of extremely high quality, exhibiting intense flashes of red, blue, purple and green. Even the diamond-set bale enhances...