A superb modernist bracelet in 18K yellow gold set with multi-colored gemstones by Bruno Guidi. Guidi was the lead designer and chief goldsmith the the acclaimed Brazilian jeweler Haroldo Burle Marx for more than 30 years. Each piece was created entirely by hand starting from a piece of gold, without the aid of any molds or pre-made elements...

A stunning bombe-form ring, worked in 18K yellow gold and platinum. The center of the ring is set with 63 square cut blue sapphires invisibly-set into platinum, flanked on either side by a total of 62 round brilliant cut diamonds pave-set in gold. Mystery-setting, accomplished by cutting a thin groove into the girdle of each stone and then sliding it along a complex network of fine platinum wires, was invented jointly by Van Cleef & Arpels and Cartier in the 1930s...

This is a Fantastic Art Deco Platinum and Diamonds Brooch. Designed as a Duette the Two Sections contain one hundred twenty Diamonds. Approximate Diamond weight is 3.5 Carats. From a well-known Washington D.C. area Estate.........Hard to Find

A stunning Mikimoto 18K yellow gold ring set with a 10.50 mm South Sea Akoya pearl surrounded by curved rows of round brilliant cut diamonds. The pearl has white body color with slight rose overtones. The nacre has bright luster. The surface is free of blemishes. The diamonds are D/E color and VVS clarity, with good symmetry and polish. The quality of workmanship, materials and overall design are so obviously special, that the ring is immediately identifiable as Mikimoto...

A magnificent vintage platinum brooch formed as a floral bouquet featuring three primary blossoms tied at the bottom with a ribbon, and set with a mix of old single cut, old Swiss cut, old European cut, old mine cut, early modern brilliant round cut and French cut diamonds and round brilliant cut sapphires. The center flower features a .83-carat, old mine cut diamond of fancy cognac color and SI2 clarity; surrounded by sapphires...

This is a Platinum Diamonds engagement ring from an east coast Estate. The Center Diamond is 1.18 carat, european cut, si clarity, hi Color. There are another 8 accenting diamonds totalling approximately .25 carats; therefore, 1.43 carats tdw. Try on this Ring at Jantiques 10429 Fawcett St; Kensington, Md. 20895

"Died by the hand of an assassin" mourning ring for Spencer Perceval, British statesman and barrister who served as Prime Minister of the United Kingdom. Our 18 carat hoop ring is engraved with the following inscription to the interior: Rt Hon Spencer Perceval Ob. May 11 1812 Aet 49 and further inscribed with the words "Died by the hand of an assassin". It has British hallmarks for 1812 and maker's mark for Samuel Glover, goldsmith of Foster Lane, London...

This unusual mid nineteenth century Gold and Silver Diamond Cluster ring is a variation of the classic Victorian cluster ring with a twist. The twist is that the the flower cluster is actually set in a mount of silver, with pear shaped diamonds set in 8 "leaves" of gradually increasing size, perfectly asymmetrically symmetrical. Then the silver mount is further set atop a gold mount and the band is finished in gold...

Substantial 18K C1840 diamond cluster ring with 8 round diamonds in a crimped collet setting surrounding a central natural gem, sherry brown topaz and hand set with a decorative band with carved flourishes along the shoulders...

18K Late Victorian five stone diamond ring, also known as half hoops, set a jour, with no foiling and open in the back to reflect light and air. The five stone was a classic late 19th century pattern, for good reason; it was great design then and still is today. The generous amount of gold means it can be worn next to other rings without fear of damage to the stones...

Gorgeous American Retro 18k yellow gold link bracelet, ca 1940s. A dense and interlocking design comprising 3 rows of rectangular links bordered by narrow ones. Satin finish. Fluid and slinky with a nice hang. Marked “750” and maker’s stamp. Fine condition.

Dimensions: H 3/16 x L 6 5/8 x W 1 1/8 in. Heavy weight: 63.1 dwt. #1176  

This incredible French gold chain has a very nice heft at 40.9 grams. The links are beautifully crafted. It is marked with the eagle's head which is the French hallmark for 18k purity. It measures approximately 61" long and has a large spring ring so it can be worn with your favorite fob, locket, or pendant. It is in excellent condition and dates to about 1900.

An imposing Victorian butterfly brooch of exceptional quality and grand dimensions, the fore- and hindwings studded with rose cut diamonds set in silver-topped 18K gold and bordered with oval cabochon rubies set in gold. The thorax is formed of a round opal and the abdomen is a large squarish cabochon pink tourmaline. The design is completed with diamond antennae and emerald eyes. The opal has excellent fire with a good deal of orange and green in the flashes of light...

Vivianna Torun Bülow-Hübe modernist sterling and stone "Dew Drop" necklace

This necklace was crafted in Torun's own workshop in Sweden during the early 1960's

The pendant with eight drop shaped stones measures 3" wide x 4" tall

Interior circumference - 15"

There are only two illegible impressed hallmarks on the neck ring with one stamp likely the Swedish three crown mark

Condition - very good vintage

A stunning pair of lage Georgian or early Victorian transitional earrings worked in 18K gold and silver. The earrings, each in form of a convolvulus (morning glory) blossom feature a variety of antique cut diamonds, mostly cushion and mine cuts. The smallest stones are rose cuts. The diamonds are of excellent quality, mostly eye clean and with superb, warm sparkle as the earrings dangle freely...

An exquisite platinum and diamond brooch in the form of a turtle by Tiffany & Co. In the 1990’s, Tiffany created a small line of nature-themed jewels loosely based on antique pieces in its design archives. The turtle pin was one of the most luxurious pieces in the series. The domed back is pave-set with 90 2.5-point round brilliant cut diamonds and the legs and head are set with additional 28 1.5-point diamonds. The eyes are collet-set blue sapphires...

An exquisite Art Deco platinum pendant in the form of a rose set with old mine cut, old European cut, single cut and pear cut diamonds. The design is delicately worked in a sort of stencil effect, the negative spaces between diamond-set areas appearing as the veins of leaves or the deeper recesses of the rose blossom. The center of the rose is set with a .96-ct pear shaped diamond, H/VVS2. The smaller diamonds are well-matched in the H range SI clarity. A diamond-set leaf-shaped bail complet...

Rare bangle bracelet with five deep cabochon cut peridot stones from the Art Nouveau era. The peridot are spaced by lovely Old Mine Cut diamonds and exquisite 18k yellow gold scrollwork. Approximately .50 carats total weight of diamonds and approximately 10 carats total weight of beautiful peridot. The photographs don't do it justice, as it is an exquisite bracelet with high-quality stones and details. It will fit up to a 6.75" wrist, and at its widest is 5/8" across.