Colorado - Jewelry & Watches

Founded in 1890, René Boivin is one of the most celebrated names in French jewelry, renowned for bold, unconventional designs. Favored by aristocrats, artists and intellectuals, the ...

Two Old European-cut diamonds totaling approximately 1.30 carats, FG color and VS clarity, shine vertically from the center of a navette-shaped mount, embellished with four single-cu...

18K rose and white gold three quarters bangle bracelet with a fine satin finish. Sixteen star motifs, centering a brilliant cut diamond, in the cut out design, giving the appearance ...

Spessartite garnet, also called a Mandarin Garnet, ring by the jewelry master Michael Zobel. The shank is a gold sleeve that fits nearly 1.1/2 inches of the finger. The center be...

Very fine sapphires, natural with no undesirable ('diffused') treatment. The bright stones are prong set in both white and yellow gold in this well made bracelet. There are 15 finel...

David Yurman vintage 22K solid gold large ring from the David Yurman Petrvs Collection. Yurman got his inspiration for this Collection from ancient coins...

David Yurman 22K solid gold large ring from the David Yurman Petrvs Collection. Yurman got his inspiration for this Collection from ancient coins, intagl...

Tiffany & Co. Soleste round brilliant cut diamond engagement ring with two matching Tiffany & Co. diamond bands and a Tiffany & Co. larger gentleman's plain wedding band ...

Very fine large natural star sapphire weighing exactly 11.74 cts. This stone has a fine "star'., The color is a bright blue and the stone lacks inclusions that are distracting to th...

Spessartite garnet, also called a Mandarin Garnet, ring by the jewelry master Michael Zobel. The shank is a gold sleeve that fits nearly 1.1/2 inches of the finger. The center beze...

This classic solitaire engagement ring features a stunning Old European-cut diamond weighing approximately 1.40 carats, L color SI1 clarity, mounted in a six prong platinum head and ...

This is a GIA (Gemological Institute of America) cushion brilliant. This center stone ALONE weighs 3.02 cts. It is a natural diamond - not synthetic or lab grown! Additionally a "cus...

Platinum and diamond 'snowflake' cross, 1 - 7/8th inches long including the diamond pave bale. This vintage cross possesses 1.67 cts of fancy cut diamonds - long baguette cuts with a...

Antique carved amethyst weighing approximately 20 cts display a fine deep, clear, purple color. This antique intaglio circa 1875 has been mount...

A rare, lustrous white natural saltwater pearl (of the Pinctada species) certified by the Gemological Institute of America centers this magnificent late Edwardian/early Art Deco ring...

Oscar Heyman 18K yellow gold rings with very fine fancy cut natural Ruby, Sapphire and Emerald. All of these natural stones are of the finest quality, The Ruby band possesses 5 squ...

18K white gold possessing 2.00 cts of fine white brilliant cut diamonds, G/H, and very slightly included, VS. These well matched and well cut stones surround 21 very fine natural sap...

Oscar Heyman & Brothers Art Deco engraved platinum, Diamond and Emerald Bracelet, with a Letter of Authenticity, circa 1918. This striking bracelet has approximately 386 European...

Cartier 18K bamboo motif crossover band ring decorated with bright vivid blue and 'lime' green enamel on patterned gold. Signed Cartier (slightly indistinct) underneath in the interi...

This vintage link bracelet features ten circular carved natural jade plaques set in 15K yellow gold (hence of British origin). The bracelet measures 6 inches in diameter.

Large and Exquisite Etruscan Revival pale pink finely carved with high relief conch shell cameo of Medusa, American, 1875. This is one of the finest 19th century cameos we have en...

Three antique diamonds (one Old Mine-cut and two rose-cuts) totaling approximately 0.12 carats, H color SI clarity, adorn the snake's head and eyes in this exquisite Victorian-era li...

An impressive 8.00 carats of round multi-color natural sapphires displaying the full spectrum of hues for which sapphires are renowned are featured in this sparkling new tennis neckl...

Antique gold and diamond filigree bar pin, the three diamonds are bezel set in the center. The estimated weight of these 3 old cut diamonds is .35 cts. This pin is 2.5 inches in le...

This golden representation of the magnificent ram, often associated with strength in Greek mythology, is sculpted in exquisite detail in this flexible bangle bracelet featuring a dou...

Crafted in 1930, this timeless and elegant Art Deco bracelet features a straight line of thirty-nine sparkling Old European-cut diamonds, GH color, VS-SI clarity, totaling approximat...

Star sapphire, unheated, weighing an estimated 27 cts, this stone is accompanied by a GIA Grading Report stating this natural sapphire unheated, is is large and impressive displayin...

Tiffany & Co. Soleste round brilliant cut diamond engagement ring with two matching Tiffany & Co. diamond bands and a Tiffany & Co. larger gentleman's plain wedding band with a polis...

Diamond and fine natural sapphire, probably from Ceylon, contemporary bracelet. This well made white gold bracelet possesses 10 fine natural vivid blue oval sapphires. These stones e...

Very fine large natural star sapphire weighing exactly 11.74 cts. This oval stone, held by four long well shaped prongs, has a medium deep blue color. The distinct star is created na...

Star sapphire, unheated, weighing an estimated 27 cts, this stone is accompanied by a GIA Grading Report stating this natural sapphire unheated, is is large and impressive displayin...

This antique Victorian navette-shaped dinner ring is designed around an oval red garnet center stone surrounded by four seed pearls. Set in 10K rose gold.

This stunning cuff bracelet by celebrated jeweler Barry Kronen features approximately 15.00 carats of full cut and rose cut diamonds intricately arranged ...

This dazzling Art Deco ring features an Old European-cut diamond center stone weighing approximately 0.30 carats, F color VS clarity, complemented by two marquise diamonds and six si...

A large and well made butterfly brooch/pendant possessing approximately 57 fine white brilliant cut diamonds, 10 bright blue natural sapphires, 16 vivid red natural rubies and 10 nat...

A bold elongated oval turquoise cabochon measuring approximately 23.5 x 15.5 mm centers this striking cocktail ring. The vibrant gemstone is surrounded by a raised decorative border ...

This exquisite Art Deco engagement ring features an Old European-cut diamond center stone measuring approximately 0.65 carats, F color I1 clarity. Set in 18K white gold with fine fil...

Fine white brilliant cut line of flush set diamonds set in a nice wide sterling silver cuff bracelet with a patina finish 1 1/2 inches wide 9 - 1.3mm fine white diamonds .36ctw total

Yellow and white gold large hand crafted butterfly brooch/pendant possessing approximately 57 fine white brilliant cut diamonds, 10 bright blue natural sapphires, 16 vivid red natura...

Bold design and exceptional craftsmanship come together in this glamorous David Morris bangle bracelet. Adorned with 63 round fancy vivid yellow diamonds totaling approx 4.41 carats,...

Crafted in the 1920s from platinum, this exquisite Art Deco brooch features a blister white pearl measuring 9 mm which sits in the middle of a line of eight Old European cut diamonds...

Antique upper arm bangle of ebony with diamonds bezel set. Describing a perfect circle and having an internal diameter of 2-5/16th inches, this very unu...

Cartier 18K bamboo motif crossover band ring decorated with bright vivid blue and 'lime' green enamel on patterned gold. Signed Cartier (slightly indistinct) underneath in the interi...

Crafted in 14K yellow gold, these earrings feature two natural round rubies each measuring 4.4mm, complemented by twelve glittering round brilliant-cut diamonds totaling approximatel...

Amethyst and Diamond Large and Important 18K White Gold Ring. This is a large, 1.25 inches vertically, by 1 - 1/8th inch ring that possesses a complex white on white design and that ...

18K yellow gold bangle bracelet by Cartier, signed on the clasp and with indistinct numbers on the inside rim. This is a large wide statement, with an interior dimension of approxima...

Fine White Diamond and Rose Cut natural Amethyst and 18K WG Earrings. These fine new contemporary earrings possess prong set lavender color amethyst that have a faceted table. This ...

This striking estate cocktail ring features a raised, dome-shaped cluster of thirty-seven round cabochon turquoise gemstones, interspersed with thirty-two single-cut diamonds. The vi...

Large and Exquisite Etruscan Revival pale pink hand carved conch shell cameo of Medusa, American, 1875. Set in 14K yellow gold with an acid finish or "bloom" so that the gold color ...

Yellow amber cabochon ring handcrafted in Latvia. This early amber jewelry is quite rare in its traditional Latvian jewelry craftsmanship and all o...

A single natural white pearl centers this diamond-accented plique-a-jour enamel flower pendant in translucent shades of green and pink, giving the petals an exceptional radiance. Th...

Spessartite garnet, also called a Mandarin Garnet, ring by the jewelry master Michael Zobel. The shank is a gold sleeve that fits nearly 1.1/2 inches of the finger. The center beze...

Antique brooch of a finely painted beautiful lady surrounded by 70 rose cut diamonds set in silver and all backed with 18K yellow gold. The maker's name G. W. Schumann and Sons in a ...

This Victorian era mourning ring features a rose cut diamond center stone measuring approximately 0.02 carat surrounded by four seed pearls set in a forget-me-not design. Handcrafted...

Very rare 18th century micromosaic plaque of the Goldfinch. This circular plaque is 3 inches in diameter, the micromosaic is set in copper. On the verso, the piece is signed in cursi...

18K yellow gold bangle bracelet with a high polish by Cartier, signed on the clasp and with indistinct numbers on the inside rim. This is a large wide statement, with an interior dim...

Crafted in 1950, this mid-century gem from American jewelry manufacturers Budlong Docherty & Armstrong, Inc features an emerald-cut synthetic ruby measuring approximately 2.00 carats...

Antique pin/pendant centering a cameo which is accented with rose cut diamonds and natural pearls. The carnelian cameo of lovers on a swing has, on the verso, the word Printemp (Fre...

De Beers diamond solitaire platinum ring. The center prong set square cut diamond is very white - F/G (colorless to beer colorless), and very very slightly included. This very fine...

Crafted in the 1920s from platinum, this stunning Art Deco bracelet features three bezel-set marquise diamonds (the center stone measures 0.60 carats) surrounded by an array of glist...