18th Century Diamond

An important late 17th to early 18th century diamond “laça” pendant-brooch, Portuguese, in 19.2kt yellow gold, set throughout with rose-cut and lasque diamonds in closed-back collet ...

Brooch in 18 karat rose gold and silver. A lovely antique brooch representing a blooming flower with a large pear-shaped rose-cut diamond at its heart, and rose-cut diamonds at the p...

Museum-quality 18th century rose-cut diamond ‘princess style’ pendeloque pendant earrings in rose gold, Portugal.

Exceptionally rare 18th century diamond set calcedony intaglio pendant depicting the famed Roman marble Bocca della Verita, the Mouth of Truth.

You cannot help but be enchanted by this superb antique mid 18th century Diamond solitaire ring. A beautifully crafted piece with elements of the Rococo revival style, the scrolling...

Museum-quality antique late 17th/early 18th century diamond and yellow gold Baroque “sequilé” earrings and pendant/brooch demi-parure, Portuguese, with hallmarks from the period and ...

Tested rose gold with silver settings, circa 18th century, accompanied by antique box. This is a very fine example of a diamond giardinetti ring, dating to the 18th century.

Rare Antique Late 18th Century Portuguese Sequilé Drop Earrings, Yellow Gold with Rose-Cut Diamonds.

The necklace is adorned with early rose cut diamonds in naturally irregular forms – gems that, in the 18th century, were still regarded as rare, exotic, and exceptionally valuable.

Product Details: Item #: R-20600 Country: Probably England Circa: 1900 Size: 8.25 (this ring can be sized; please contact the gallery for further information) Materials: 5 old Europe...

The band with attractive naturalistic foliate design. The diamonds are set in silver on a closed gold backing, as consistent with Georgian pieces from the late 18th century.

Extraordinary museum quality 18th Century Georgian 3 TCW diamond, silver topped rose gold transformable pendant brooch of the Scarlet Pimpernel, a flower synonymous of England, chiva...

This refined 18th-century bracelet features two graduating pear-shaped Burmese rubies, both certified no-heat by AGL, framed by halos of old mine-cut diamonds and joined by delicate ...

An exceptional and rare 18th-century Indian bazuband (armband) crafted circa 1775.

Fine elegant late 18th century Georgian rose cut diamond 14K rose gold trilobed cross.

Antique Late 18th / 19th Century rose-cut diamond devant de corsage or stomacher in closed-back silver, Portugal.

18th Century 0.33ct Diamond Ring. The ring is stamped 1733 for the year it was produced and 583 as the purity of gold used to make the ring.

Product Details: Item #: R-21287 Country: most likely England Circa: 1900 Size: 6.5 (this ring can be sized; please contact the gallery for further information) Materials: 5 old Euro...

Product Details: Item #: R-21289 Country: England Circa: 1893 Size: 7.25 (this ring can be sized; please contact the gallery for further information) Materials: 5 old mine-cut diamon...

BAROQUE IBERIAN (SPAIN) EMERALD AND DIAMOND PENDANT/BROOCH 18Th Century. A radiant, ravishing, and regal Baroque (Georgian/Iberian Spain) pendant/brooch XVIII Century.

Antique 18Th Century Iberian Emerald Cabochon & Rose-Cut Diamond Pendant/Brooch Stomacher.

A rare and striking 18th-century Spanish cross pendant, this exceptional piece of devotional jewelry is a true testament to the grandeur of the Baroque era.

GIA Certified Georgian Ruby Cabochon (Untreated, Unheated) & Diamond Earrings 18th/19th Century Set with two purplish red cabochon pear shape Rubies (Natural Corundum), No indica...

This stunning cocktail ring is crafted in 18K gold and features an elegant combination of diamonds and gray pearls. The design includes three sparkling diamonds, each measuring appro...

The arrangement of the stones, with a center flanked by two rows of threes, first became popular during the late 17th century; its form was intended to resemble that of a decorative ...

A 14 carat gold ring set with a long octagonal blue glass panel in which sits a large cushion cut diamond (app. 1.95 crt I-J), Louis XVII, European, circa 1785. These large rings we...

A gold cluster ring set with old cut diamonds (app. 1.10 ct total) set in silver in foiled closed back cut-down collet settings, the reverse beautifully rayed, and with 'c' curls con...

Pair 18th Century Spanish "Salmantinos" Rose-Cut Diamond and Gold Earrings.

Two small silver "1/8 Tikal" coins handstruck in Cambodia during the reign of King Narodom I (1835-1904, before Cambodia became a French protectorate), depict the mythical Hamsa bir...

A rare and refined piece, this antique cross pendant dates back to the 1700s and stands as a remarkable example of 18th-century craftsmanship and religious artistry.

This beautiful and original silver cross was handcrafted in the second half of the 18th century, in the 1770's. The jewel is set with old mine rose diamonds in closed settings.

The main arm band is 22K gold (tested 22K), the bail is 14K as well as the pearl and were added later. History: A rare late 18th or early 19th Century Indian Mughal "Bazuband or Ba...

Iberian Peninsula 17th Century Silver Cross Table Cut Diamonds Colombian Emerald and Burma Ruby Pendant H 7.28 cm x W 5.27 cm / H 2.86 in. x W 2.1 14.75 grams Ribbon included 18th ...

A fine Indian 18th century Mughal 22k gold bangle with kundan set diamonds and rubies, featuring fine enamel work.

An 18k gold navette shaped mourning ring featuring a silver urn set with rose cut diamonds and one large old cut diamond set on a blue glass panel with a border of rose diamonds set ...

Rare Trifari Regence Series Tremblant Pave 18th Century Clip Brooch set in rhodium from the 1930's by Alfred Philippe. 2 pave set flowerheads are set on tremblers to move with wearer...

A Rare Mughal Indian Gold and Enamel Mother of Pearl Spoon with Diamonds Discover the exquisite craftsmanship of Mughal India with this rare and luxurious gold and enamel spoon, a t...

Magnificent Victorian Style Aquamarine Diamond Pendant. Rose Cut Diamonds. Aquamarines. Rare clear blue color. This magnificent pendant is a conversion from antique aquamarine earri...

Italian earrings in 8ct gold and silver with rose cut diamonds. With a lever back fastening, from the end of the 18th Century.

Antique, Baroque Gold Diamond Brooch. The central diamond weighs about 0.45 carat. The brooch also has a safety pin.

This item is offered on consignment on behalf of a client; all serious and reasonable offers are presented for consideration, and we work diligently to achieve a mutually agreeable o...

This exquisite 18th-century gold cross pendant, dating to circa 1720, is a rare and beautiful example of early Georgian jewellery.

This exceedingly rare jewel has been converted to be a ring from what was an 18th century Georgian diamond button. The posy type cluster of diamonds are set within 14 karat yellow go...

Here we have a charming diamond ring dating back to the Georgian period. The head of this dainty antique piece has been crafted from a rich 18ct yellow gold with ornately curvaceous ...

Diamond ring made in 14KT yellow gold with hearts design and wide top. GRAM WEIGHT: 10.29gr METAL: 14KT yellow gold NATURAL DIAMOND(S) Cut: Round Brilliant Color: G (average) Clari...

This is a wonderful antique Georgian diamond ring. The ring features 12 rose cut diamonds that are set in silver in a typical Georgian style. This ring sits low on the finger so it i...

This is a rare antique diamond ring from the Georgian era. The focal high chunky rose cut diamond is encompassed by an array of silver set domed rose cut diamonds; the foiled backing...

A one of a kind necklace from the late 1800s with cabochon sapphires of stunning quality surrounded by old mine diamonds. Depicted in full page spread in the "The History of Jewelry...

An exceptional antique diamond stick pin featuring a distinctive Rose cut diamond surrounded by a sparkling starburst cluster of antique-cut diamonds. Crafted in silver-topped gold s...

This is an unusual large Georgian diamond cluster ring. The ring is in a triangular shape and features a negative space in the centre and is surrounded by nine rose cut diamonds vary...

Victorian Ruby Diamond Ring 18K Solid Gold Marquise cluster ring featuring a vivid natural ruby framed by glittering old cut diamonds. Crafted in solid 18K yellow gold, this antique...

From Emilio Jewelry New York, located in the world renown Gia Building, An extraordinary GIA Certified Fancy Vivid Blue Diamond ring showcasing a mesmerizing emerald-cut center stone...

Unique and likely one of a kind antique rooster at sunrise pendant. The diamond is a chunky old mine cut. This piece is beautifully hand made and solid throughout. In the Victorian e...

Foiled rose gold diamond Marquise Shape ring, featuring a central marquise diamond surrounded by rose cut diamonds. Shoulders are ornately carved with floral and natural motifs. R...

Antique ring crafted in yellow gold (tested) with a traditional silver-topped setting, characteristic of 18th–19th century European jewelry. The ring is centered with an oval rose-c...

This impressive late 18th century, circa 1790, silver-topped gold ring is vertically set with a large cobalt blue glass plaque centered with three old cut diamonds set in silver cut ...

This ring embodies the refined craftsmanship of the 18th century, making it a distinguished addition to any collection.

Here we have a charming ruby and diamond ring dating back to the mid to late Victorian period. A rich 18ct yellow gold band plays to a trio of perfectly matched rubies possessing a f...

Finely crafted in silver on top of 18K gold with Old Mine cut Diamonds weighing approximately a total of 2.50 carats. Circa 1700s 1 5/8 inch diameter

Looking for a stunning piece of jewellery that will take your breath away? Check out this vintage italian made diamond cluster ring! Set with 2.37ct victorian cut diamonds, 0.92ct ...