Two early 20th century 18ct gold gem-set rings. The

AN ANTIQUE DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold, set with two old cut diamonds of approximately 0.55 and 0.52 carats, in a frame of further old cut diamonds, stamped 18CT, s

An early 20th century 18ct gold diamond set signet ring, rectangular head with a star set old cut diamond, estimated approximate weight 0.04ct, head dimensions 9.6 x 8.5mm, tapering engraved shoulders

Four diamond rings. To include two early 20th century 18ct gold five-stone rings, a late Victorian 18ct gold three-stone ring, together with one further ring. Estimated total diamond weight 0.30ct. Th

Two early 20th century 18ct gold diamond and sapphire dress rings. To include a graduated oval-shape sapphire three-stone ring with diamond point double spacers, together with an alternating circular-

A SAPPHIRE AND DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated cushion cut blue sapphires, accented by pairs of old cut diamonds, stamped 18ct, size O / 7.25,

NO RESERVE - A DIAMOND THREE STONE RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated old cut diamonds, the diamonds all totalling 0.41 carats, stamped 18CT, size M / 6, 2.5g.

Four diamond rings. To include an early 20th century 18ct gold five-stone ring, an early 20th century 18ct gold three-stone ring, together with two further rings. Estimated total diamond weight 0.60ct

A late 19th / early 20th century 18ct yellow gold and turquoise ring the mount set with three domed turquoise, engraved to interior of shank with initials 'AME EMG' and '1893-1906', size P, 6.8 grams.

AN ANTIQUE AMETHYST, PERIDOT AND DIAMOND SUFFRAGETTE DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated round cut amethyst and peridot, punctuated by rose cut diamonds, t

A late 19th / early 20th century 18ct yellow gold, diamond, and sapphire ring, the mount set with graduted sapphires and diamonds, size R, 4.2 grams.

AN ANTIQUE OPAL AND DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with three cabochon opals, accented by round cut diamonds, stamped 18CT & PT, size L / 5.75, 2.7g.

NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut blue sapphire within a border of single cut diamonds, maker's mark SH&Co, st

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut sapphire within a halo of round cut diamonds, stamped 18ct Plat, size N / 6.5, 2

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.

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.

Set with rubies, emeralds, opals, jade, seed pearls, or red and green "gems". 9k-18k. Early-late 20th c. Sizes 6 - 7 1/2. 15.8 dwt.

American, mid-20th century. Two yellow gold rings, each stamped '18K'. One set with seven round opals and twelve round sapphires, the other set with twenty-one light blue sapphires. Size 6, total weig

American and English, early-late 20th century. Three rings to include: 10K oval cluster ring with center opal surrounded by twelve small round rubies, Sz 7.25; 9K ring with English hallmarks, center o

AN ART DECO RUBY AND DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, the rectangular face set with a step cut ruby accented by single cut diamonds, stamped 18ct Plat, size M /

An early 20th century yellow gold, diamond, and pearl cluster ring, set with a cultured white pearl, approximately 6 mm, within a border of rose-cut diamonds, shank unmarked (likely 18ct gold), size R

VICTORIAN DOUBLE DIAMOND SNAKE RINGLate 19th- early 20th century, 14k yellow gold. Victorian double snake design ring set with two old mine cut diamonds weighing approximately .12ctw. and four single

An early 20th century platinum and 18ct gold coral and diamond dress ring. The replacement oval-shape coral cabochon, within a rose-cut diamond openwork panel surround, to the similarly-set diamond sh

AN ANTIQUE PEARL AND DIAMOND RING, EARLY 20TH CENTURY in yellow gold, the openwork face set with an old cut diamond and two pearls in a border of rose cut diamonds, further rose cut diamonds set to th

A group of Early 20th Century opal and fourteen karat gold jewelryincluding a pair of floriform oval jelly opal cluster stud earrings; two rings set with oval opal cabochons or old mine-cut diamonds.