A magnificent antique platinum, sapphire and diamond brooch, circa 1910. 2.9 x 2.5 cm. Centring a fine cushion-cut Ceylon sapphire weighing 22.77 carats, within a cushion-shaped old-cut diamond surround.

A magnificent antique platinum, sapphire and diamond brooch, circa x cm. Centring a fine cushion-cut Ceylon sapphire weighing carats, within a cushion-shaped old-cut diamond surround.

Rare Natural No Heat GIA Certified 13 Carat Cushion Sapphire Diamond Ring | 1stdibs.com

Rare Natural No Heat 13 Carat Cushion Sapphire Diamond Gold Ring

Rare Natural No Heat GIA Certified 13 Carat Cushion Sapphire Diamond Ring. Beautiful and brilliant carat cushion cut blue sapphire surrounded by carats of round brilliant cut diamonds, all set in white gold.

Pink topaz and diamond brooch circa Edwardian diamond-set open work oval brooch set with an oval-cut pink topaz to centre weighing approximately within a diamond-set bow and garland surmount. Millegrain setting mounted in platinum.

Bespoke 28.87 Carat Natural Unheated Ceylon Sapphire Diamond Platinum Ring

Bespoke 28.87 Carat Natural Unheated Ceylon Sapphire Diamond Platinum Ring

For Sale on - Here is an incredible and truly rare gem. The center sapphire is truly a marvel, weighing and with an incredible sunflower yellow color set in

AN ANTIQUE SAPPHIRE AND DIAMOND BROOCH. Set with a central cushion-shaped sapphire weighing 30.55 carats, with an old mine-cut diamond border, to the old mine-cut diamond scrolled frame with fleur-de-lys detail and collet-set sapphire intersections, circa 1880.

AN ANTIQUE SAPPHIRE AND DIAMOND BROOCH Set with a central cushion-shaped sapphire weighing carats, with an old mine-cut diamond border, to the old mine-cut diamond scrolled frame with fleur-de-lys detail and collet-set sapphire intersections, circa 1880

An Antique Platinum, Gold, Sapphire, Diamond and Pearl Pendant-Brooch, Circa 1900. Centring an oval-shaped sapphire weighing 22.24 carats, framed by scrollwork flourishes set with old mine and old European-cut diamonds, accented by four variously-shaped pearls.

An Antique Platinum, Gold, Sapphire, Diamond and Pearl Pendant-Brooch, Circa 1900

Cartier: AN EMERALD AND DIAMOND BROOCH

Bid in-person or online for the upcoming auction:Important Jewels on 13 June 2017 at London

Gorgeous Victorian Amethyst Brooch Garrard London. Garrard London. Amethyst & 15kt gold Brooch. Circa 1850.

Gorgeous Victorian era Amethyst Brooch Garrard London

Sapphire and diamond ring. Set to the centre with a circular-cut diamond, within an open work border millegrain-set with calibré-cut sapphires and circular-cut diamonds, to a pierced gallery, French import marks.

Sapphire and diamond ring. Set to the centre with a circular-cut diamond, within an open work border millegrain-set with calibr?-cut sapphires and circular-cut diamonds, to a pierced gallery, French import marks.

An antique peridot and diamond brooch, late century. Designed as a step-cut peridot framed by circular-cut diamonds, beneath a bow motif, suspending a pear-shaped peridot. by josefina

The Pink Star is the largest internally flawless pink diamond.

The Pink Star is the largest internally flawless pink diamond that the Gemological Institute of America (GIA) has ever graded. Discovered in South Africa in 1999 by mining giant De Beers, the pink gem was polished and cut over two years.

18k Rose Gold Edwardian Diamond Pendant / Brooch #GoldJewelleryBridal

18k Rose Gold Edwardian Diamond Pendant / Brooch #GoldJewelleryBridal

A Belle Epoque freshwater natural pearl, ruby and diamond brooch pendant, circa 1905. The circular-cut ruby and single-cut diamond ribbon bow surmount suspending a large natural freshwater baroque pearl drop with rose-cut diamond cap, within a single-cut diamond millegrain-set wreath surround, accented by calibré-cut ruby ribbons, detachable fittings.

A Belle Epoque freshwater natural pearl, ruby and diamond brooch pendant, circa 1905. The circular-cut ruby and single-cut diamond ribbon bow surmount suspending a large natural freshwater baroque pearl drop with rose-cut diamond cap, within a single-cut diamond millegrain-set wreath surround, accented by calibré-cut ruby ribbons, detachable fittings.

A late 19th century sapphire and diamond floral spray brooch

A beautiful late century sapphire & diamond floral spray brooch The single flowerhead with its central brilliant-cut diamond within a border of sapphires & brilliant-cut diamond petals, with leaves & stems similarly set & highlighted by sapphire buds!

Tiffany & Co., Sapphire Diamond Platinum Flower Brooch

Tiffany & Co. Sapphire Diamond Platinum Flower Brooch

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