About Radiam, Inc.
Radiam,Inc is located in the heart of Downtown, Los Angeles. For generations the family business has specialized in the selling, buying and trading of custom and estate jewelry. Value is the top priority in each transaction and it is delivered with the knowledge and skill of a vast network of cutters, polishers, setters, etc... the convenience of our location allows for a broad service with all the necessary expertise.

Established in 20021stDibs seller since 2019
Featured Pieces
GIA Certified 9.01 Carat Natural Oval Brilliant G Color Diamond Engagement Ring
Located in Los Angeles, CA
A Magnificent 9.01 carat Natural GIA Certified Diamond Engagement Ring.
The center stone is laser inscribed (GIA #7346100629) with ideal proportions, measuring 17.06x11.52x7.32mm. ...
Category
2010s North American Modern Engagement Rings
Materials
Diamond, Platinum
Rare Art Deco 7.5 Carat Natural Old Euro and Baguette Diamond Platinum Brooche
Located in Los Angeles, CA
A Magnificent Original Art Deco Platinum Diamond Brooche set with 93 Old European Cut Natural Diamonds and 14 Natural Baguette Diamonds. Total approximate diamond weight is approxima...
Category
Vintage 1940s European Art Deco Brooches
Materials
Diamond, Platinum
Retro Gold Natural Blue Topaz Cabochon Clip Earrings by Gump’s
By Gump's San Francisco
Located in Los Angeles, CA
A magnificent pair of 18k yellow gold earrings by Gump’s, set with natural blue topaz cabochons measuring approximately 16mmx12mm. The earring mountings measure 23mmx18mm. Total weig...
Category
1990s North American Retro Clip-on Earrings
Materials
Blue Topaz, Gold
Retro Gold One Carat Natural Brown Diamond Roman Carnelian Intaglio Bangle Cuff
Located in Los Angeles, CA
A magnificent 14k euro gold bangle cuff. The alloy has a slight tint of rose gold, the diameter of the carnelian intaglio (of a Roman centurion) is appx 18mm.
The piece is set with ...
Category
Early 2000s European Retro Cuff Bracelets
Materials
Carnelian, Brown Diamond, Gold
Modern Gold Natural Diamond and Multi Color Cabochon Gem Three Strand Bracelet
Located in Los Angeles, CA
Modern Gold Natural Diamond & Multi Color Cabochon Gem Three Strand Bracelet
A magnificent three strand 18k yellow gold natural multi color and diamond bracelet. The bracelet is set...
Category
2010s European Modern Modern Bracelets
Materials
Diamond, Gold, 18k Gold
1.30 Carat Retro Gold Ring Natural Oval Green Emerald and Diamond, circa 1980
Located in Los Angeles, CA
The centerstone is a Natural Oval Green Emerald weighing approximately 0.75 carats, measuring 6.5x5.1mm.
Set in the mounting are 6 round brilliant and 10 baguette shaped natural G-...
Category
Vintage 1980s Unknown Retro Cocktail Rings
Materials
Diamond, Emerald, 14k Gold, Gold
Modern Gold Signed Ippolita Multi Color Gem Rainbow Lollipop 36 Inch Necklace
By Ippolita
Located in Los Angeles, CA
Modern Gold Signed Ippolita Multi Color Gem Rainbow Lollipop 36 Inch Necklace
The piece is bezel set with 47 gems. Both sides of the gems are faceted. They include Citrine, Peridot,...
Category
2010s European Modern Multi-Strand Necklaces
Materials
Amethyst, Gold
Modern Gold 14.77 Carat Natural GIA Certified Zambian Emerald & Diamond Necklace
Located in Los Angeles, CA
A magnificent 14.77 carat natural emerald and diamond necklace, set in 18k white gold.
The 2.52 carat center stone is a natural green emerald originating from Zambia. The GIA certif...
Category
2010s North American Modern Choker Necklaces
Materials
Diamond, Emerald, Gold
Retro Gold Angela Cummings Floral Orchid Petal Earrings New York Circa 1984
By Angela Cummings
Located in Los Angeles, CA
Retro Gold Angela Cummings Floral Orchid Petal Earrings New York Circa 1984.
The earrings weigh 19.6 grams. Each earring contains a gold wire/stem to give the wearer an option of sli...
Category
Vintage 1980s North American Retro Clip-on Earrings
Materials
Gold
Modern Gold 1.10 Carat Natural Diamond Bangle Bracelet Signed By Raoul Sosa
Located in Los Angeles, CA
A magnificent 14k yellow gold Santa Fe designer bangle signed by Raoul Sosa.
Set with approximately 1.10 carats of 62 natural colorless round brilliant dia...
Category
2010s North American Modern Bangles
Materials
Diamond, Gold, 14k Gold
Retro Gold Full Set 9.40 Carat Natural Multi Color Gemstone & Diamond Circa 1980
Located in Los Angeles, CA
A magnificent 18k yellow gold 9.40 carat (approximate) multi color gem full necklace, bracelet and earring set. The set includes natural colorless diamonds, emeralds, sapphires and r...
Category
Vintage 1980s African Retro Choker Necklaces
Materials
Diamond, Emerald, Ruby, Blue Sapphire, Gold, 18k Gold
Retro Gold 22k Bracelet Natural Rare Lapis Lazuli Carving Circa 1940
Located in Los Angeles, CA
Retro 22k Gold Bracelet Natural Lapis Lazuli Circa 1940.
Inner length is 6.5" inches and total weight is 58 grams.
Category
Vintage 1940s Unknown Retro Retro Bracelets
Materials
Lapis Lazuli, 22k Gold, Gold