Antique Square Cut Diamond

A rare antique figural brooch, exquisitely crafted in 18K gold, depicting two richly textured pearl gatherers carrying baskets of seed pearls atop a linear square-cut emerald bar acc...

This original magnificent Art Deco bracelet is handcrafted in platinum 950. The 310 round-cut, 6 square-cut and 6 baguette-cut diamonds are weighing approx. 16 carats in total.

Large Art Deco Natural Pearl and Diamond Brooch Unually large brooch set with one natural pearl accented by diamonds and square cut sapphires Accompanied by an SSEF Certificate sta...

The platform forward and aft provides long, recessed pen rests running the full width between the handles. Both square glass wells are cut with diamond facets across their bodies ...

At the center rests a square-cut peridot of lively green hue, accented by diamond-set foliate scrolls that extend outward with naturalistic elegance.

Dating from early in the 19th century, these Georgian girandole pendant earrings are composed of over four carats of diamonds and silver-topped gold. Each is designed as a floret top...

The pierced decorated, oval-shaped setting is ornamented with a stunning feature four-claw set 0.99ct Colombian octagonal step cut emerald. This swept empire style setting is orname...

The butterfly is invisibly set with square cut pink sapphires and outlined with round brilliant diamonds.

Platinum pin with an 18K yellow gold stem in a ribbon motif. There are 38 square-cut sapphires and 65 round diamonds totaling 5 carats; H-I color and VS1-VS2 clarity.

Antique Edwardian 18k / Square cut Emerald and Natural White Diamond Ring.

Introducing the Marisol Wedding Set—a radiant symbol of devotion and individuality, where vibrant color meets timeless brilliance. Handcrafted in solid 14K yellow gold, this two-rin...

Very fine Art Deco diamond panel link bracelet, handmade in platinum, featuring three panels each centering a larger marquise-shaped diamond surrounded by smaller round old European-...

It was skillfully crafted in walnut with beautiful fan and line inlaid decoration and a stylish silver plated handle. There are three square shaped diamond cut crystal  decanters. C...

Celeste is a breathtaking 14K white gold ring featuring a vivid 1.00 CT natural oval emerald, accented by .44 CTW natural diamonds that add a radiant halo of sparkle. Crafted with ti...

Beautiful deco period (1930s ca.) pendant set in gold and silver with rose cut diamonds and square cut sapphires. Measurements: 5.5cm in length and 3.3cm in width

Not all exquisite roses are red, and this mesmerizing and enigmatic peridot ring casts an envy inducing green hue. The central bud element of this rose inspired design features a 4.0...

Each pearl delicately hangs from a platinum bezel set diamond (J - VS2/SI1) and two further square set old cut diamonds at the split of the chain.

The head of the ring square and features a round cut diamond, displaying a unique look that stands out amongst the best.

Antique Diamond Cluster Ring Belle Époque / Early Edwardian, circa 1900–1915 An elegant antique diamond cluster ring centered with an old European-cut diamond, framed within a delic...

Rare imperial citrine diamond ring, the citrine is AAAA quality with cognac orange hues that are a rare find, the ring is a Victorian style made in 14KT yellow gold. GRAM WEIGHT: 1...

The old mine cut diamonds display the romantic charm of vintage cutting techniques, while the precision square-cut sapphires add bold geometric lines that define the sophisticated ar...

The Victorian rarity features an unusual square rose cut diamond set atop the snakes head, surrounded by standard rose cut diamonds, all set into silver.

Antique Brooch Platinum & 18ct Gold Circa 1920 A beautifully made Art Deco bar brooch featuring a rich, deep‑blue sapphire at its centre, framed by alternating diamonds and sq...

This beautiful brooch showcases the classic Art Deco design popularized by Cartier in the early part of the twentieth century. Two square or princess cut diamonds adorn the sides imp...

An Art Deco emerald and diamond Toi et Moi ring, set with a square old-cut diamond weighing approximately 0.65 carats opposite an emerald-cut Brazilian emerald weighing approximately...

This stone is surrounded by square and round cut diamonds totalling approx 80pts.

Period: Edwardian, Belle-Epoque, circa 1900-1910. Diamonds: Mounted in bezel settings, with 6 French squared-cushion cut diamonds, with a total combined weight of about 0.60 carats,...

The central diamonds are flanked on either side by a total of twelve channel set square step cut synthetic rubies.

The glossy and colourful stone is set in a square setting and the rose cut diamonds are set either side.

This detailing is consistent throughout the back drop of the face which consists of fine intertwining channels of meticulously platinum set square calibrated rubies and rose cut diam...

Renaissance diamond ring. An impressive 16th century ring, set with a square point cut diamond in a closed back rubover setting with an approximate weight of 0.90 carats, to a raised...

Beautifully designed and masterfully hand-crafted this Art Deco Jardinière brooch from ca 1925 is set with a mixture of bright white and sparkly Old European Cut diamonds and square ...

Cartier Burmese ruby and diamond ring. Set with an oval cabochon natural unenhanced Burmese ruby in an open back claw setting with an approximate weight of 1.80 carats, further set w...

Renaissance Revival Enamel, Ruby, Diamond, and Pearl Pendant Brooch Description: An extraordinary Renaissance Revival pendant brooch crafted in 18K yellow gold, this highly detailed...

Surrounding the central display, a square of baguette cut diamonds contrasts wonderfully with the clean white of the diamonds.

There are rose cut diamonds and square shaped emerald set on top of a dome of onyx and sits perfectly on the cuff.

The backchain, of alternating, rose-cut diamond set concave squares and rose-cut diamonds in rub over settings, detaches to wear as a separate bracelet.

Art Deco Old European cut round diamond square Platinum engagement ring, with accent diamonds along the shank. 1 old European cut 1.07ct J color and VS1 clarity Depth: 54.9% Table:...

The center diamond is accentuated by dazzling round cut diamond and square cut sapphire accents.

Square-cut sapphires accent the piece's diamonds, adding geometric flair characteristic of the Art Deco era.

Ceylon sapphire and diamond flanked solitaire ring. Set to centre with an oval old cut natural unenhanced Ceylon sapphire in an open back claw setting with an approximate weight of 7...

THE GORGEOUS NECKLACE FROM FRANCE HAS A STUNNING ROSE FLOWER GARLAND WREATH MOTIF DESIGN AND IS SET WITH OLD MINE CUT DIAMONDS, ROSE CUT DIAMONDS, SQUARE CUT FACETED SAPPHIRES AND NA...

Diamond and sapphire engagement ring. Hand engraved pierced filigree platinum setting with calibre Sapphires and an old European cut diamond. 1 Ideal old European cut diamond, appro...

Bright sparkly old European cut diamonds with square cut accent sapphires. 63 old European cut H-I VS2-SI2 diamonds, Approximate 2.00cts 20 square modified cut blue sapphires, App...

One side of the decorative element is comprised of two square borders of circular-cut diamonds set in platinum surrounding a diamond center, while the reverse consists of two square ...

Circa 1910 Pair of Phenomenal Hair Combs, measuring 5 1/4 inches in length and 1 3/4 inches wide, heavy 18k Yellow gold with Platinum mountings top sections on top of Tortoise, furth...

Fitted into the base is the finely cut, thick, and tapered Crystal urn with square cuts and inner diamond cut designs.

This stunning pair of lamps is raised on Ormolu pawed feet below the square base with a foliate designed band below the square diamond cut Crystal pedestal.

The stand is supported by four scrolling foliate feet and is fitted with two square, diamond-cut glass inkwells, each topped with a silver hinged cover.

Above the is intricately cut square Crystal base displaying diamond shaped facets throughout below a circular beaded and fluted Ormolu socle.

An Art Deco emerald and diamond ring, the square-cut emerald estimated to weigh 1.7 carats, accompanied by GCS Report stating to be of Colombian origin, vertically-set between two ol...

A Victorian emerald and diamond five-stone ring, alternately set with three square-cut emeralds with combined total weight of 0.93 carats, accompanied by GCS Report stating to be of ...

A sapphire and diamond cluster ring, the square sapphire weighing approximately 0.65 carat, surrounded by sixteen old-cut diamonds weighing approximately a total of 0.35 carat, all s...

An antique Russian emerald and diamond dragonfly brooch, the body a square-cut emerald with estimated weight 0.6 carats, the tail set with twelve emeralds and four diamonds, the wing...

A pair of turn-of-the-century oval yellow and white gold gemset cufflinks, each cufflink comprising an oval plaque, set at a diagonal with yellow and white gold, separated with a str...

At the center lies a square-cut 1.55 Carat Colombian Emerald gemstone.

Late Art Deco 1940's sapphire and diamond ring. 2 square shaped sapphires set sideways in a platinum engraved setting with 2 round accent diamonds. 2 calibre cut square Sapphires, a...