Signed Jewelry

Signed Jewelry collection Jacob's Diamond & Estate Jewelry.

Michael Bondanza Diamond Emerald Onyx Gold Swan...

Michael Bondanza emerald diamonds black onyx yellow gold and platinum swan brooch circa 1990.  SP...

Michael Bondanza emerald diamonds black onyx yellow gold and platinum swan brooch circa 1990.  SPECIFICATIONS: DIAMONDS:  twenty-eight round brilliant-cut diamonds totaling approximately 0.50 carat, approximately G color, VS clarity. GEMSTONE:  one teardrop-shaped cabochon emerald set in the eye. OTHER GEMSTONES:  eleven half-round buff-top black onyx. METAL:  platinum and 18-karat yellow gold inlaid with black onyx. WEIGHT:  29.3 grams. HALLMARKS:  maker’s marks for Michael Bondanza. MEASURE...

$4,900.00

Mauboussin Diamond Black Mother Of Pearl Revers...

Mauboussin diamond mother-of-pearl and white gold reversible hoop earrings circa 2000. * SPECIFIC...

Mauboussin diamond mother-of-pearl and white gold reversible hoop earrings circa 2000. * SPECIFICATIONS: REVERSIBLE:  can be worn with either face facing front or combined for a yin and yang effect. DIAMONDS:  fifty-four round brilliant-cut diamonds totaling approximately 1.00 carat, approximately F-G color, VS clarity. OTHER MATERIALS:  black mother-of-pearl square cabochons. METAL:  18-karat white gold. WEIGHT:  31.9 grams. EARRING BACKS:  integrated clip-on posts. HALLMARKS:  signed Maubou...

$5,900.00

Elizabeth Gage Rock Crystal Yellow Gold Clip On...

Elizabeth Gage rock crystal and yellow gold clip-on earrings circa 2001. * SPECIFICATIONS: GEMSTO...

Elizabeth Gage rock crystal and yellow gold clip-on earrings circa 2001. * SPECIFICATIONS: GEMSTONES:  two crackled white rock crystal cabochons. METAL:  18-karat yellow gold decorated by a very soft hammered finish. WEIGHT:  41.5 grams. HALLMARKS:  signed Gage. EARRING BACKS:  clip-on backs. MEASUREMENTS:  approximately 1-1/8” (2.80 cm) overall diameter. CONDITION:  high magnification photographs show considerable design details, and that the item is in exceptionally good condition, all cons...

$5,500.00

Tiffany & Co Yellow Gold Link Bracelet

Tiffany & Co yellow gold link bracelet circa 1980.  SPECIFICATIONS: METAL:  18-karat yellow g...

Tiffany & Co yellow gold link bracelet circa 1980.  SPECIFICATIONS: METAL:  18-karat yellow gold. WEIGHT:  53.6 grams. HALLMARKS:  signed Tiffany & Co. BRACELET CLASP:  plunger clasp with added safety figure eight. MEASUREMENTS:  approximately 3/8” (9.50 cm) wide and 6 ¾” (17.14 cm) long overall. CONDITION:  high magnification photographs show considerable design details, and that the item is in exceptionally good condition, all consistent with age and wear. * QUESTIONS?  Contact us r...

$0.00

Tiffany & Co Yellow Gold Sunburst Brooch

Tiffany & Co yellow gold sunburst brooch circa 1980.  SPECIFICATIONS: METAL:  18-karat yellow...

Tiffany & Co yellow gold sunburst brooch circa 1980.  SPECIFICATIONS: METAL:  18-karat yellow gold. WEIGHT:  9.9 grams. HALLMARKS:  signed Tiffany & Co. MEASUREMENTS:  approximately 1-5/8” (3.50 cm) overall diameter. CONDITION:  high magnification photographs show considerable design details, and that the item is in exceptionally good condition, all consistent with age and wear. * QUESTIONS?  Contact us right away if you have additional questions.  We are here to connect you with beau...

$2,500.00

Tiffany & Co Buzz Aldren First Man On The Moon ...

 Tiffany & Co Buzz Aldren first man on the moon commemorative gold cufflinks. * SPECIFICATION...

 Tiffany & Co Buzz Aldren first man on the moon commemorative gold cufflinks. * SPECIFICATIONS: NOTEWORTHY:  The faces individually decorated by Buzz Aldren’s signature, footprint, and moon landing site, the backs engraved with dedications, and Aldren’s famous line “A giant stride for mankind.” METAL:  14-karat yellow gold. WEIGHT:  28.3 grams. HALLMARKS:  signed Tiffany & Co. MEASUREMENTS:  faces approximately 1” (2.60 cm) overall diameter. CONDITION:  high magnification photographs ...

$3,900.00

Tiffany & Co Diamond Sapphire Yellow Gold Orchi...

 Tiffany & Co diamond sapphire and yellow gold brooch circa 1950.  * SPECIFICATIONS: DIAMONDS...

 Tiffany & Co diamond sapphire and yellow gold brooch circa 1950.  * SPECIFICATIONS: DIAMONDS:  three round brilliant-cut diamonds totaling approximately 0.15 carat, approximately H color, VS clarity. SAPPHIRES:  three round, faceted, blue sapphires. METAL:  14-karat yellow gold. WEIGHT:  11.3 grams. HALLMARKS:  signed Tiffany & Co. MEASUREMENTS:  approximately 1-3/8” (3.40 cm) overall diameter. CONDITION:  high magnification photographs show considerable design details, and that the ...

$2,500.00

Marcus & Co Edwardian Diamond Scarf Pin

Marcus Edwardian diamond platinum and gold scarf pin brooch circa 1910.  SPECIFICATIONS: DIAMONDS...

Marcus Edwardian diamond platinum and gold scarf pin brooch circa 1910.  SPECIFICATIONS: DIAMONDS:  seven old European-cut and single-cut diamonds together totaling approximately 0.25 carat. METAL:  platinum over 18-karat gold. WEIGHT:  2.6 grams. HALLMARKS:  signed Marcus. MEASUREMENTS:  approximately 15/16” (2.40 cm) by 3/16” overall. CONDITION:  high magnification photographs show considerable design details, and that the item is in exceptionally good condition, all consistent with age and...

$1,900.00

Oscar Heyman Diamond Platinum Drop Earrings Non...

Oscar Heyman diamond and platinum transformable drop earrings, non pierced screw-on. * SPECIFICAT...

Oscar Heyman diamond and platinum transformable drop earrings, non pierced screw-on. * SPECIFICATIONS: The articulated diamond drops are detachable to allow wearing the surmounts as independent diamond clusters. DIAMONDS:  thirty round brilliant-cut diamonds totaling approximately 3.75 carats, approximately G color, VS clarity. METAL:  platinum. WEIGHT:  9.1 grams. EARRING BACKS:  screw-on clip backs. HALLMARKS:  maker’s marks for Oscar Heyman. MEASUREMENTS:  approximately 1-1/8” (2.90 cm) lo...

$13,500.00

Chrysoprase Yellow Gold Drop Earrings

Chrysoprase and yellow gold drop earrings by Emily Ashley. * SPECIFICATIONS: This is a large scal...

Chrysoprase and yellow gold drop earrings by Emily Ashley. * SPECIFICATIONS: This is a large scale pair of earrings. GEMSTONES:  six oval and pear-shaped cabochon-cut chrysoprase with slight color gradation, starting with surmount featuring the more intensely colored gem.  Chrysoprase is a member of the chalcedony family, it is often referred to as Australian jade, the stone of Venus, and it is also one of the birthstones for the month of May. METAL:  14-karat yellow gold. WEIGHT:  25.8 grams...

$2,500.00

Cartier Diamond Yellow Gold Nigeria Ring

Cartier diamond and yellow gold Nigeria bombé ring circa 1990. * SPECIFICATIONS: DIAMONDS:  eight...

Cartier diamond and yellow gold Nigeria bombé ring circa 1990. * SPECIFICATIONS: DIAMONDS:  eighty-seven round brilliant-cut diamonds totaling approximately 5.00 carats, approximately F-G color, VS clarity. METAL:  18-karat yellow gold. WEIGHT:  13.1 grams. RING SIZE:  approximately 6 ½. HALLMARKS:  signed Cartier. MEASUREMENTS:  approximately 11/16” (1.20 cm) wide vertical to the fingernail. CONDITION:  high magnification photographs show considerable design details, and that the item is in ...

$23,000.00

Bulgari White Porcelain Yellow Gold Ring

Bulgari white porcelain and yellow gold ring circa 1990. * SPECIFICATIONS: METAL:  18-karat yello...

Bulgari white porcelain and yellow gold ring circa 1990. * SPECIFICATIONS: METAL:  18-karat yellow gold. WEIGHT:  12.8 grams. OTHER MATERIAL:  white porcelain. RING SIZE:  approximately 6. HALLMARKS:  signed Bvlgari. MEASUREMENTS:  approximately 3/8” (10 mm) wide vertical to the fingernail. CONDITION:  high magnification photographs show considerable design details, and that the item is in exceptionally good condition, all consistent with age and wear. * QUESTIONS?  Contact us right away if y...

$1,900.00

Vhernier Yellow Gold Large Scale Knuckle Ring s...

Vhernier yellow gold large scale knuckle ring.  This is a very wide ring.* SPECIFICATIONS: METAL:...

Vhernier yellow gold large scale knuckle ring.  This is a very wide ring.* SPECIFICATIONS: METAL:  18-karat yellow gold with a slight pinkish cast. WEIGHT:  27 grams. RING SIZE:  approximately 9 ½. HALLMARKS:  signed Vhernier. MEASUREMENTS:  approximately 1-3/8” (3.50 cm) wide vertical to the fingernail. CONDITION:  high magnification photographs show considerable design details, and that the item is in exceptionally good condition, all consistent with age and wear. * QUESTIONS?  Contact us r...

$5,900.00

Graff Diamond Yellow Gold Domed Ring

Graff diamond-pavé and yellow gold domed ring circa 1980. Jacob's Diamond & Estate Jewelry. S...

Graff diamond-pavé and yellow gold domed ring circa 1980. Jacob's Diamond & Estate Jewelry. SPECIFICATIONS:  DIAMONDS:  one hundred eighteen round brilliant-cut diamonds totaling approximately 3.00 carats, approximately F-G color, VS clarity. METAL:  18-karat yellow gold. WEIGHT:  13 grams. RING SIZE:  approximately 5-minus. HALLMARKS:  signed Graff. MEASUREMENTS:  5/8” (1.60 cm) wide vertical to the fingernail. CONDITION:  high magnification photographs show considerable design details, ...

$8,500.00

Cartier Diamond Two-tone Gold Eternity Ring Siz...

Cartier diamond and two-tone gold eternity ring circa 1990. Jacob's Diamond & Estate Jewelry....

Cartier diamond and two-tone gold eternity ring circa 1990. Jacob's Diamond & Estate Jewelry. SPECIFICATIONS: DIAMONDS:  twenty-one round brilliant-cut diamonds totaling approximately 0.75 carat, approximately F-G color, VS clarity. METAL:  two-tone 18-karat gold. WEIGHT:  3.9 grams. HALLMARKS:  signed Cartier. RING SIZE:  approximately 4 ½. MEASUREMENTS:  approximately 4 mm wide. CONDITION:  high magnification photographs show considerable design details, and that the item is in exceptio...

$4,900.00

Van Cleef & Arpels Three-stone Diamond Rose Gol...

Van Cleef & Arpels three stone diamond and rose gold ring band circa 2000. * SPECIFICATIONS: ...

Van Cleef & Arpels three stone diamond and rose gold ring band circa 2000. * SPECIFICATIONS: DIAMONDS:  three round brilliant-cut diamonds totaling approximately 0.15 carat, approximately F-G color, VS clarity. METAL:  18-karat rose gold. WEIGHT:  3.9 grams. HALLMARKS:  maker’s marks for Van Cleef & Arpels. RING SIZE:  approximately 5 ½. MEASUREMENTS:  approximately 5 mm wide overall. CONDITION:  high magnification photographs show considerable design details, and that the item is in ...

$3,900.00

Tiffany & Co Enamel Yellow Gold Cat Brooch

Tiffany & Co green enamel and yellow gold cat brooch circa 1960. * SPECIFICATIONS: METAL:  18...

Tiffany & Co green enamel and yellow gold cat brooch circa 1960. * SPECIFICATIONS: METAL:  18-karat yellow gold decorated by a Florentine finish. WEIGHT:  10.2 grams. HALLMARKS:  signed Tiffany. ENAMEL:  two green enamel eyes. MEASUREMENTS:  approximately 1-5/8” (4.8 cm) long and 7/8” (2.30 cm) wide overall. CONDITION:  high magnification photographs show considerable design details, and that the item is in exceptionally good condition, all consistent with age and wear. * Contact us right...

$2,500.00

Marina B Two Tone Gold Clip On Earrings

Marina B yellow and white gold clip-on earrings circa 1990.  We are here to connect you with beau...

Marina B yellow and white gold clip-on earrings circa 1990.  We are here to connect you with beautiful and affordable antique and estate jewelry. SPECIFICATIONS: Contact us right away if you have additional questions. METAL:  two-tone 18-karat yellow and white gold. WEIGHT:  34.7 grams. EARRING BACKS:  clip backs. HALLMARKS:  signed Marina B and maker’s marks for Marina B. MEASUREMENTS:  approximately 1-5/16” (3.40 cm) long and 9/16” (1.40 cm) wide overall. CONDITION:  high magnification phot...

$5,500.00

David Webb Yellow Gold Clip On Earrings

David Webb yellow gold clip-on earrings circa 1970.   We are here to connect you with beautiful a...

David Webb yellow gold clip-on earrings circa 1970.   We are here to connect you with beautiful and affordable antique and estate jewelry. SPECIFICATIONS: Contact us right away if you have additional questions. METAL:  18-karat yellow gold decorated by a fluted motif. WEIGHT:  30.8 grams. EARRING BACKS:  clip backs. HALLMARKS:  signed David Webb. MEASUREMENTS:  approximately 1-1/8” (2.80 cm) long and 13/16” (2 cm) wide overall. CONDITION:  high magnification photographs show considerable desi...

$5,900.00

Tiffany & Co Art Deco Diamond Platinum Brooch

Tiffany & Co. Art Deco diamond and platinum brooch circa 1925. * Contact us right away if you...

Tiffany & Co. Art Deco diamond and platinum brooch circa 1925. * Contact us right away if you have additional questions.  We are here to connect you with beautiful and affordable antique and estate jewelry. SPECIFICATIONS: DIAMONDS: fourteen old European-cut diamonds totaling approximately 1.75-carat, approximately E-F color, VS clarity. METAL:  platinum, see note below. *NOTE:  the brooch has a 14-karat yellow gold pin stem, typical of the period when it was made and original to the jewe...

$4,500.00

Bvlgari Red Enamel Yellow Gold Cufflinks

Bvlgari red enamel and gold double-sided cufflinks circa 1990.   We are here to connect you with ...

Bvlgari red enamel and gold double-sided cufflinks circa 1990.   We are here to connect you with beautiful and affordable antique and estate jewelry. SPECIFICATIONS: METAL:  18-karat yellow gold decorated with red enamel motifs. WEIGHT:  17.8 grams. HALLMARKS:  signed BVLGARI. MEASUREMENTS:  faces approximately 9/16” (14 mm) overall diameter. CONDITION:  high magnification photographs show considerable design details, and that the item is in exceptionally good condition, all consistent with a...

$2,500.00

Paloma Picasso Tiffany & Co Heart Shaped Yellow...

Paloma Picasso Tiffany & Co yellow gold heart-shaped clip-on earrings circa 1980. Clear and c...

Paloma Picasso Tiffany & Co yellow gold heart-shaped clip-on earrings circa 1980. Clear and concise information is listed below for your information.  Contact us right away if you have additional questions.  We are here to connect you with beautiful and affordable estate and vintage jewelry. SPECIFICATIONS: METAL:  18-karat yellow gold. WEIGHT:  11.8 grams. EARRING BACKS: clip backs. HALLMARKS:  signed Paloma Picasso Tiffany & Co. MEASUREMENTS:  approximately ¾” (19 mm) by ¾” (19 mm) ...

$2,500.00

Henry Dunay Diamond Platinum Pendant Necklace

Henry Dunay diamond and platinum pendant necklace. Clear and concise information you want to know...

Henry Dunay diamond and platinum pendant necklace. Clear and concise information you want to know is listed below. Contact us right away if you have additional questions.  We are here to connect you with beautiful and affordable estate and vintage jewelry. SPECIFICATIONS: DIAMONDS:  nineteen round brilliant-cut diamonds totaling approximately 1.00 carat, approximately F-G color, VS clarity. METAL:  platinum. WEIGHT:  14.4 grams. HALLMARKS:  signed Dunay. MEASUREMENTS:  pendant only approximat...

$4,500.00

Tiffany & Co Rock Crystal Garnet Yellow Gold Cl...

Tiffany & Co rock crystal garnet and gold clip on earrings circa 1980.  Clear and concise inf...

Tiffany & Co rock crystal garnet and gold clip on earrings circa 1980.  Clear and concise information you want to know is listed below.  Contact us right away if you have additional questions.  We are here to connect you with beautiful and affordable jewelry. SPECIFICATIONS: GEMSTONES:  two round cabochon garnets and frosted rock crystal. METAL:  18-karat yellow gold WEIGHT:  40.2 grams. EARRING BACKS:  clip backs. HALLMARKS:  signed Tiffany & Co. MEASUREMENTS:  approximately 1” (2.60...

$4,900.00