A VINTAGE OLD CUT DIAMOND SOLITAIRE RING, IN 18CT YELLOW GOLD.

A VINTAGE OLD CUT DIAMOND SOLITAIRE RING, IN 18CT YELLOW GOLD. Hallmarked, diamond weight: 0.27ct approx, finger size: Q, weight: 3.3 gram.

A DIAMOND SOLITAIRE RING in 18ct yellow gold, set with an old cut diamond of 0.45 carats, obscured British hallmarks for London, 1997, size O / 7, 3.4g.

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with an old cut diamond of 1.13 carats, stamped 18ct, size N.5 / 6.75, 2.8g.

A SOLITAIRE DIAMOND RING in 18ct yellow gold, set with an old cut diamond of approximately 1.43 carats, full British hallmarks for Birmingham 1970, size L / 5.75, 2.4g.

A SOLITAIRE DIAMOND RING in 18ct yellow gold and platinum, set with an old cut diamond of approximately 0.67 carats, stamped PLAT, size P1/2 / 7.75, 3.2g.

NO RESERVE - A SOLITAIRE DIAMOND GYPSY RING in 18ct yellow gold, set with an old cut diamond of approximately 0.90 carats, stamped 18CT, size R / 8.5, 7.3g.

Vintage 14k Two Tone Gold 0.21ctw 5 Old Cut Diamond Solitaire Engagement Ring Material: 14K Solid Yellow Gold w/ White Gold Top. Weight: 2.2 Grams. (1) Natural Genuine Diamond - Transitional Cut - Pro

SOLITAIRE DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an old cut diamond, between geometric shoulders, stamped 18ct Plat, size K / 5.25, 2.2g.

AN ANTIQUE SOLITAIRE DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold, set with an old cut diamond of 0.32 carats, stamped 18c, size N / 6.75, 2.0g.

A SOLITAIRE DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an old cut diamond of 0.51 carats within a tapering band, stamped 18ct Plat, size K / 5.25, 2.4g.

A VINTAGE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with a cabochon sapphire and an old cut diamond of 1.47 carats, accented by further old mine cut diamonds, French assay marks for 18 carat

A VINTAGE DIAMOND FIVE STONE RING in 18ct yellow gold, set with a graduated row of old cut diamonds all totalling 3.2-3.4 carats, stamped 18CT, size M / 6, 3.7g.

VINTAGE RUBY AND DIAMOND GYPSY RING in 18ct yellow gold, set with an old cut diamond between two round cut rubies, British hallmarks for 18ct gold, size T / 9.5, 5.1g.

NO RESERVE - A VINTAGE RUBY AND DIAMOND RING in 18ct yellow gold and platinum, set with a round cut ruby in a cluster of old cut diamonds, stamped 18CT & PLAT, size Q / 8.25, 2.3g. 

A VINTAGE RUBY AND DIAMOND TOI ET MOI RING in 18ct yellow gold, set with a round cut ruby and old cut diamond, accented by rose cut diamonds, L&W maker's mark, stamped 18CT, size J / 4.75,&nb

A VINTAGE OPAL AND DIAMOND RING in 18ct yellow gold, set with a cabochon opal between two old cut diamonds, stamped 18ct, size L / 5.5, 3.6g.

A VINTAGE RUBY AND DIAMOND RING in 18ct yellow gold, set with a row of alternating old cut diamonds and cushion cut rubies, stamped 18ct, size O / 7, 3.4g.

A VINTAGE DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a floral cluster of old European and round brilliant cut diamonds, stamped 18ct & PLAT, size K1/2 / 5.5, 1.9g. 

This is a gorgeous vintage ring, it is crafted from 14k yellow gold featuring a intricate fine wire design formed into a starburst flower with a sparkling 1.36 carat diamond mounted in the center. The

Vintage 10kt Men's Diamond Ring, .33 CTW, Wedding, Sz. 10. The diamond is appx. .33 CTW solitaire ring. 10kt yellow gold, tested, weight is appx. 4.62 gr. Old European/Old Mine cut with cut cutlet whi

American, 2nd half - 20th century. Stamped "14K" yellow gold band, square topped 4-prong mounting with one old European cut diamond measuring approx. 6.5mm x 4.0mm, estimated weight 1.0ct. Diamond is

American, 2nd half 20th century. Stamped "14K" yellow gold band, square topped 4-prong mounting with one old European cut diamond measuring approx. 6.5mm x 4.0mm, estimated weight 1.0ct. Diamond is sl

American, 2nd half - 20th century. Stamped "14K" yellow gold band, square topped 4-prong mounting with one old European cut diamond measuring approx. 6.5mm x 4.0mm, estimated weight 1.0ct. Diamond is

Vintage retro estate 14K and 18K yellow and white gold old European cut diamond engagement ring: Showcasing a center 3.65mm diamond, est. .18ct, K, I2, and flanked with six small single cut diamonds,