Signed Jewelry

Signed Jewelry collection Jacob's Diamond & Estate Jewelry.

Cindy Royce Green Tourmaline Diamond Yellow Gol...

Cindy Royce green tourmaline diamond and yellow gold cocktail ring circa 1980. * ABOUT THIS ITEM:...

Cindy Royce green tourmaline diamond and yellow gold cocktail ring circa 1980. * ABOUT THIS ITEM:  A classic arrangement of marquise-shaped green tourmalines and round diamonds declare this chunky Cindy Royce ring a statement maker.  It is also worthwhile noting that high quality materials and craftmanship are only two of the many excellent characteristics associated with any Cindy Royce jewel.   SPECIFICATIONS:  #E2695 DIAMONDS:  twenty-eight round brilliant-cut diamonds totaling approximate...

$4,900.00

Michael Bondanza Two Tone Gold Clip On Earrings

Michael Bondanza two-tone gold clip-on earrings. * ABOUT THIS ITEM:  These Michael Bondanza oval ...

Michael Bondanza two-tone gold clip-on earrings. * ABOUT THIS ITEM:  These Michael Bondanza oval button-style earrings seamlessly bundle elegance and classic styling with looks that assert your appreciation for unique beauty and high-quality workmanship. SPECIFICATIONS: METAL:  18-karat rose and yellow gold. WEIGHT:  19.1 grams. EARRING BACKS:  omega clip backs. HALLMARKS:  maker’s marks for Michael Bondanza. MEASUREMENTS:  approximately ¾” (1.90 cm) long and 11/16” (1.80 cm) wide overall. CO...

$3,300.00

Roberto Coin Onyx Yellow Gold Clip-post Half Ho...

Roberto Coin onyx and yellow gold clip-post half hoop earrings. * SPECIFICATIONS: GEMSTONES:   tw...

Roberto Coin onyx and yellow gold clip-post half hoop earrings. * SPECIFICATIONS: GEMSTONES:   two custom-cut black onyx cabochons. METAL:  18-karat yellow gold. WEIGHT:  17.2 grams. EARRING BACKS:  clip backs with hinged, folding posts, visible in the photographs. HALLMARKS:  maker’s marks for Roberto Coin. MEASUREMENTS:  approximately 7/8” (2.30 cm) long and 9/16” (1.80 cm) wide overall. CONDITION:  high magnification photographs show considerable design details, and that the item is in goo...

$2,900.00

De Vroomen Enamel Hematite Yellow Gold Clip-on ...

De Vroomen enamel hematite and gold clip-on earrings circa 1988. * SPECIFICATIONS: GEMSTONES:   t...

De Vroomen enamel hematite and gold clip-on earrings circa 1988. * SPECIFICATIONS: GEMSTONES:   two round, cabochon hematite. METAL:  18-karat yellow gold decorated by shades of blue enamel. WEIGHT:  30.2 grams. EARRING BACKS:  clip backs. HALLMARKS:  signed De Vroomen. MEASUREMENTS:  approximately 1 1/4” (3.20 cm) long and 1” (2.50 cm) wide overall. CONDITION:  high magnification photographs show considerable design details, and that the item is in good condition, all consistent with age and...

$4,900.00

Cartier Enamel Diamond Emerald Yellow Gold Brooch

Cartier enamel emerald diamonds and yellow gold flower spray brooch circa 1960. * SPECIFICATIONS:...

Cartier enamel emerald diamonds and yellow gold flower spray brooch circa 1960. * SPECIFICATIONS: DIAMONDS:  five single-cut diamonds totaling approximately 0.05 carat. GEMSTONE:  one faceted round emerald. METAL:  18-karat yellow gold decorated by polychrome enamel. WEIGHT:  17.4 grams. HALLMARKS:  signed Cartier. MEASUREMENTS:  approximately 1-7/8” (4.76 cm) horizontal width and 1-5/8” (4.12 cm) vertical width. CONDITION:  high magnification photographs show considerable design details, and...

$7,900.00

Lalaounis 22 Karat Gold Clip On Earrings

Lalaounis 22-karat gold clip-on earrings circa 1980. * SPECIFICATIONS: METAL:  22-karat yellow go...

Lalaounis 22-karat gold clip-on earrings circa 1980. * SPECIFICATIONS: METAL:  22-karat yellow gold. WEIGHT:  14.3 grams. EARRING BACKS:  clip backs. HALLMARKS:  maker’s marks and signed Lalaounis MEASUREMENTS:  approximately 1-1/8” (2.90 cm) long and 9/16” (1.40 cm) wide overall. CONDITION:  high magnification photographs show considerable design details, and that the item is in good condition, all consistent with age and wear. * QUESTIONS?  Contact us right away if you have additional quest...

$3,300.00

Kieselstein Cord Alligator Clip On Gold Earrings

Kieselstein Cord yellow gold alligator clip-on earrings circa 1988. * SPECIFICATIONS: METAL:  18-...

Kieselstein Cord yellow gold alligator clip-on earrings circa 1988. * SPECIFICATIONS: METAL:  18-karat yellow gold. WEIGHT:  22.1 grams. EARRING BACKS:  omega clips. HALLMARKS:  signed Kieselstein-Cord. MEASUREMENTS:  approximately 15/16” (2.40 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 questi...

$3,250.00

Tiffany & Co Diamond Platinum Half Eternity Ring

Tiffany & Co emerald cut and round diamond platinum half eternity ring. * SPECIFICATIONS: DIA...

Tiffany & Co emerald cut and round diamond platinum half eternity ring. * SPECIFICATIONS: DIAMONDS:  alternatingly set, three emerald cut and four round brilliant-cut diamonds totaling approximately 0.75 carat, approximately G color, VS clarity. METAL:  platinum. WEIGHT:  4.6 grams. RING SIZE:  approximately 5 ¾, can be sized. HALLMARKS:  signed Tiffany & Co. MEASUREMENTS:  approximately 3 mm wide overall. CONDITION:  high magnification photographs show considerable design details, an...

$4,500.00

Van Cleef & Arpels Alhambra Coral Diamond Gold ...

Van Cleef & Arpels coral diamond and yellow gold Alhambra clip-on earrings. * SPECIFICATIONS:...

Van Cleef & Arpels coral diamond and yellow gold Alhambra clip-on earrings. * SPECIFICATIONS: DIAMONDS:  two round brilliant-cut diamonds totaling approximately 0.10 carat, approximately F-G color, VVs clarity. GEMSTONES:  orange-red coral. METAL:  18-karat yellow gold. WEIGHT:  6.5 grams. EARRING BACKS:  omega clip backs. HALLMARKS:  maker’s marks for Van Cleef & Arpels. MEASUREMENTS:  approximately 9/16” (1.45 cm) diameter. CONDITION:  high magnification photographs show considerabl...

$11,000.00

Mauboussin Diamond Ruby Yellow Gold Ring

Mauboussin ruby diamond and yellow gold ring circa 1980. * SPECIFICATIONS: DIAMONDS:  twenty-two ...

Mauboussin ruby diamond and yellow gold ring circa 1980. * SPECIFICATIONS: DIAMONDS:  twenty-two round brilliant-cut diamonds totaling approximately 0.95 carat, approximately F-G color, VVS clarity. GEMSTONES:  calibrated rubies totaling approximately 1.50 carat. METAL:  18-karat yellow gold. WEIGHT:  6.2 grams. RING SIZE:  approximately 5 ¼. HALLMARKS:  signed Mauboussin. MEASUREMENTS:  approximately 8 mm wide vertical to the fingernail. CONDITION:  high magnification photographs show consid...

$6,900.00

Cartier Diamond Yellow Gold Wide Triple Band Ring

Cartier diamond and yellow gold wide triple band ring circa 1980.  SPECIFICATIONS: DIAMONDS:  fif...

Cartier diamond and yellow gold wide triple band ring circa 1980.  SPECIFICATIONS: DIAMONDS:  fifteen round brilliant-cut diamonds totaling approximately 0.45 carat, approximately F-G color, VS clarity. METAL:  18-karat gold. WEIGHT:  15.7 grams. RING SIZE:  approximately 7 ½. HALLMARKS:  signed Cartier. MEASUREMENTS:  approximately 11/16” (1.80 cm) wide vertical to the fingernail. CONDITION:  high magnification photographs show considerable design details, and that the item is in very good c...

$7,900.00

Jose Hess Two-tone Gold Link Bracelet

José Hess two-tone gold link bracelet circa 1990. * SPECIFICATIONS: METAL:  yellow and white eigh...

José Hess two-tone gold link bracelet circa 1990. * SPECIFICATIONS: METAL:  yellow and white eighteen karat yellow gold. WEIGHT:  76.7 grams. BRACELET CLASP:  integrated hinged lock with double figure eight safety catches.  MEASUREMENTS:  approximately 13/16” (2 cm) wide and 7 ¾” (19.50 cm) long overall. HALLMARKS:  signed José Hess. CONDITION:  high magnification photographs show considerable design details, and that the item is in exceptionally good condition, all consistent with age and we...

$11,000.00

Tiffany & Co Turquoise Enamel Bangle Bracelet

Tiffany & Co turquoise enamel and yellow gold hinged bangle bracelet circa 1970.   SPECIFICAT...

Tiffany & Co turquoise enamel and yellow gold hinged bangle bracelet circa 1970.   SPECIFICATIONS: METAL:  eighteen karat yellow gold decorated by turquoise color enamel. WEIGHT:  39.7 grams. BRACELET CLASP:  plunger clasp with fixed safety chain.  MEASUREMENTS:  approximately 3/8” (9 mm) wide overall. INTERNAL LENGTH:  approximately 6-5/8” (16.50 cm). INTERNAL WIDTH:  2 ¼” (8 cm) by 2-1/16” (5.30 cm) overall. CONDITION:  high magnification photographs show considerable design details, an...

$7,900.00

Oscar Heyman Sapphire Diamond Platinum Ring

Oscar Heyman sapphire diamond and platinum ring circa 1950. * SPECIFICATIONS: GEMSTONES:  graduat...

Oscar Heyman sapphire diamond and platinum ring circa 1950. * SPECIFICATIONS: GEMSTONES:  graduating, calibrated blue sapphires. DIAMONDS:  eighteen round brilliant-cut diamonds totaling approximately 0.90 carat, approximately F-G color, VS clarity. METAL:  platinum. WEIGHT:  8.2 grams. RING SIZE:  approximately 7 minus. MEASUREMENTS:  approximately 16 mm wide vertical to the fingernail. CONDITION:  high magnification photographs show considerable design details, and that the item is in very ...

$7,500.00

Tiffany & Co Yellow Gold Clip On Earrings

Tiffany & Co yellow gold clip-on earrings circa 1970. * SPECIFICATIONS: METAL:  18-karat yell...

Tiffany & Co yellow gold clip-on earrings circa 1970. * SPECIFICATIONS: METAL:  18-karat yellow gold. WEIGHT:  18.8 grams. HALLMARKS:  signed Tiffany & Co. EARRING BACKS:  clip backs. MEASUREMENTS:  approximately 1” (2.50 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 he...

$2,900.00

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...

$8,900.00

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