About Frank Giganti Co
Frank Giganti Company is a highly experienced gemologist and jeweler with a rich history in the estate jewelry industry. He obtained his Diamond degree from the Gemological Institute of America in 1985, demonstrating a strong commitment to excellence in gemology. Additionally, he is a member of the Diamond Club West Coast Inc in Los Angeles, California, which further highlights his involvement and recognition within the industry. In 1990, Frank Giganti became a member of the International Watch and Jewelry Guild (IWJG), solidifying his status as a reputable professional...Read More
Featured Pieces
Theo Fennell Amethyst Diamond Heart Shaped Stud Earrings
By Theo Fennell
Located in Beverly Hills, CA
Theo Fennell Earrings
Two heart-shaped Russian Amethyst Est 1.25cts Each
2.50 cts total Amethyst and 52 Round Diamonds .50 cts Total Surrounded by Numerous Round Brilliant Cut Diamo...
Category
2010s English Stud Earrings
Materials
Amethyst, Diamond, 18k Gold, White Gold
Theo Fennell Lief Collection 18k Ruby Cross
By Theo Fennell
Located in Beverly Hills, CA
Theo Fennell
Lief Collection Ruby Cross
Dimensions: 1" by half inch Cross
Chain: 18k Yellow Gold 18 inches Length
Red Ruby est .25Cts
Comes with fitted box
Hallmarked Fennell 750 T...
Category
2010s English Pendant Necklaces
Materials
Ruby, 18k Gold, Yellow Gold
Theo Fennell Lief Collection Yellow Gold Earrings with Ruby
By Theo Fennell
Located in Beverly Hills, CA
Theo Fennell
Lief Earrings with Round Ruby
Stud Earring with Friction Backs
Diameter: 12.5 mm
Beautiful Deep Red Rubies est .25 CTS
9.2g 18k
With original box
Hallmark Fennell an...
Category
2010s European Stud Earrings
Materials
Ruby, Yellow Gold
Cartier Large Trinity Knot Stud Earrings 18k
By Cartier
Located in Beverly Hills, CA
Cartier Trinity Earrings
Large Model 16mm
17.6 g 18k Gold
Three Interlaced Bands Symbolize Love Fidelity and Friendship and Everlasting Bond!
Post Stud with A Lever Back Mechanism ...
Category
2010s French Stud Earrings
Materials
18k Gold
Theo Fennell Diamond Strip Earrings 18k Yellow Gold
By Theo Fennell
Located in Beverly Hills, CA
Theo Fennell
Diamond Dangle Earrings Featuring 12 Princess Cut Diamonds and 18 k Yellow Gold Strip Collections Est 1.00 cts of Diamonds
With original box.
Dimension: 1.00 inch dro...
Category
2010s English Dangle Earrings
Materials
Diamond, 18k Gold, Yellow Gold
Theo Fennell Diamond Pendant and Chain 18k Yellow Gold
By Theo Fennell
Located in Beverly Hills, CA
Theo Fennell Pendant from the Strip collection. The pendant comprises of a vertical bar with 6 princess cut diamonds in a rubover setting, with a total weight of 1.20ct, G colour and...
Category
2010s English Pendant Necklaces
Materials
Diamond, 18k Gold, Yellow Gold
Theo Fennell Diamond Hoop Earrings
By Theo Fennell
Located in Beverly Hills, CA
Theo Fennell
Diamond mini hoop earrings
Est 1.50 cts
18k White Gold 5.20g
Diameter 14mm by 13 mm
Hallmark Fennell London
Category
2010s English Hoop Earrings
Materials
Diamond, 18k Gold, White Gold
Theo Fennell Amethyst and Diamond 18 K White Gold Necklace
By Theo Fennell
Located in Beverly Hills, CA
Theo Fennell
Amethyst Diamond Necklace
18k White Gold 12.57 g
One Round Amethyst 8mm x 5mm Est Weight: 3.50 cts
Numerous round diamonds in two circular halo Pave Setttings
Chain Leng...
Category
2010s English Drop Necklaces
Materials
Amethyst, Diamond, White Gold
Cartier Diamond Earrings
By Cartier
Located in Beverly Hills, CA
Cartier Trinity Diamond Knot Stud Earrings
2 Round Diamonds Est .10 Cts
Earring Diameter 8mm
18k tricolor Gold
Dominant color is yellow gold
Hallmark Cartier signed and numbered ac...
Category
2010s French Stud Earrings
Materials
Diamond, 18k Gold
Cartier Panthere Ring
By Cartier
Located in Beverly Hills, CA
Cartier Paris Panther Blue Sapphire Ring containing a Beautiful 4.32 cts Oval Blue Sapphire
Origin: Sri Lanka
No Heat sapphire
GIA certificate 7192627947 No Heat
Size 8
Hallmarked...
Category
Early 2000s French Cocktail Rings
Materials
Blue Sapphire, 18k Gold, Yellow Gold
Graff Classic Diamond Ruby Gold Butterfly Pendant
By Graff
Located in Beverly Hills, CA
By Lawrence Graff
Classic butterfly Necklace with Ruby and Diamond Pendant Necklace. 18 karat white gold. Diamonds 1.28 cts
Ruby is 2.83 cts
The pendant comes on a Signed Graff...
Category
2010s English Pendant Necklaces
Materials
Diamond, Ruby, Gold, 18k Gold, White Gold
Mauboussin France Natural Turquoise and Diamond 18K Gold Long Necklace
By Mauboussin
Located in Beverly Hills, CA
Statement Necklace by Mauboussin
18K White Gold & Diamonds
Mauboussin 'Nadja' Turquoise Diamond 18k White Gold Necklace.
The Nadja necklace is designed as two strands of natural tur...
Category
1990s French Beaded Necklaces
Materials
Diamond, Turquoise, 18k Gold
Featured Creators