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Store hours

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Store hours

Monday – Friday 10am – 7pm

Saturday 10am-5pm

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Over 100 Years in Business

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Over 100 Years in Business

Leo Marks began our journey in downtown Toledo in 1916. Leo Marks Jewelers remains a proprietorship to this day and prides itself on the time and personal attention we are able to give each and every client that comes to visit.

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Lifetime Warranty

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Lifetime Warranty

Now that your happily ever after has begun, we want to keep your precious piece of jewelry looking like the day you purchased it. With the Leo Marks promise you can rest assured that we are here for the lifetime of your piece. Whether it be a simple cleaning or repair of a prong, Leo Marks jewelers is here for your every need.

Warranty Coverage

  • Free stone check/tightening of prongs
  • Free prong replacement or re-tipping
  • Free head replacement if needed
  • Free annual polishing/refinishing for the life of the ring
  • Free annual rhodium plating for white gold
  • Free Lifetime appraisal service
  • Free lifetime stone replacement for diamonds in your setting (excludes center diamond) up to 1/5 carat
  • Free sizing for a lifetime*

Leo Marks Jewelers will provide an insurance appraisal for your purchased jewelry to insure your ring against loss, theft, or unforeseen damages.

*Lifetime Sizing is limited to once per year

*Excludes pendant chains

*All warranty coverage is voided if alterations are made by a third party

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Gemstone Education

 

Gemstone Education

Gemstones A-Z

A free informational reference guide to gemstones

 

 
Alexandrite
It’s the color-change variety of the mineral, chrysoberyl. Bluish green in daylight, purplish red under incandescent light; hard and durable.
Amber
Fossilized resin, color of the burnished sun–orange or golden brown. Amber might trap and preserve ancient life, including insects.
Amethyst
Purple variety of the mineral quartz, often forms large, six-sided crystals. The birthstone for February, the name of the gem comes from a Greek word that means "not drunk."
Citrine
Ametrine, one of the rarest types of transparent quartz, combines two colors: amethyst’s purple and citrine’s orange-to-yellow.
Ametrine
Blue to slightly greenish-blue variety of the mineral beryl. Crystals are sometimes big enough to cut fashioned gems of more than 100 carats.
Aquamarine
Citrine’s color comes from traces of iron. It’s perhaps the most popular purchased yellow gemstone and an attractive alternative for topaz and yellow sapphire.
Diamond
This hardest gem of all is made of just one element: carbon. It’s valued for its colorless nature and purity. Most diamonds are primeval—over a billion years old—and form deep within the earth.
Fancy Color Diamond
Only one in every 10,000 diamonds possesses natural color and is referred to as a fancy color diamond. They are purchased almost exclusively for the intensity and distribution of the diamond's color.
Emerald
The most valued variety of beryl, emerald was once cherished by Spanish conquistadors, Inca kings, Moguls, and pharaohs. Today, fine gems come from Africa, South America, and Central Asia.
Garnet
The garnet group of related mineral species offers gems of every hue, including fiery red pyrope, vibrant orange spessartine, and rare intense-green varieties of grossular and andradite.
Iolite
Known in the jewelry trade as iolite, this mineral is known as cordierite to geologists and mineralogists. Iolite is strongly trichroic, meaning that it shows three colors when viewed from different angles.
Jade
Prized by civilizations from ancient China to the Aztecs and Mayans of Central America, jade is crafted into objects of stunning artistry. Beauty and wide-ranging expressiveness.
Kunzite
Trace amounts of manganese give this pink to violet variety of spodumene its feminine glow. Kunzite was only confirmed as a unique variety of spodumene in the early part of the twentieth century.
Lapis Lazuli
Lapis lazuli is a gemstone of the kind that might have come straight out of the Arabian Nights: a deep blue with golden inclusions of pyrites which shimmer like little stars. Stone of friendship and truth.
Moonstone
Feldspar prized for its billowy blue adularescence, caused by light scattering from an intergrowth of microscopic, alternating layers. Favored gem of many Art Nouveau jewelry designers.
Morganite
Like its cousins emerald and aquamarine, morganite is a variety of the beryl mineral species. This gem gets its subtle blush when a trace amount of manganese makes its way into morganite’s crystal structure.
Opal
Opal’s microscopic arrays of stacked silica spheres diffract light into a blaze of flashing colors. An opal’s color range and pattern help determine its value. Legend says that it is especially good for the eyes.
Pearl
Produced in the bodies of marine and freshwater mollusks naturally or cultured by people with great care. Lustrous, smooth, subtly-colored pearls are jewelry staples, especially as strands.
Peridot
Yellow-green gem variety of the mineral olivine. Found as nodules in volcanic rock, occasionally as crystals lining veins in mountains of Myanmar and Pakistan, and occasionally inside meteorites.
Rose Quartz
Microscopic mineral inclusions cause the pink color and translucence of rose quartz. Well shaped, transparent pink quartz crystals are rare. An irresistible addition to your jewelry wardrobe.
Ruby
Traces of chromium give this red variety of the mineral corundum its rich color. Long valued by humans of many cultures. In ancient Sanskrit, ruby was called ratnaraj, or “king of precious stones.”
Sapphire
Depending on their trace element content, sapphire varieties of the mineral corundum might be blue, yellow, green, orange, pink, purple or even show a six-rayed star if cut as a cabochon.
Spinel
Although frequently confused with ruby, spinel stands on its own merits. Available in a striking array of colors, its long history includes many famous large spinels still in existence.
Sunstone
Sunstone, a member of the feldspar group, can be an orthoclase feldspar or a plagioclase feldspar, depending on chemistry. Both can show aventurescence. “Sunstone” applies to the gem’s appearance.
Tanzanite
Named for Tanzania, the country where it was discovered in 1967, tanzanite is the blue-to-violet or purple variety of the mineral zoisite. It’s become one of the most popular of colored gemstones.
Topaz
Colorless topaz treated to blue is a mass-market gem. Fine pink-to-red, purple, or orange gems are one-of-a-kind pieces. Top sources include Ouro Prêto, Brazil, and Russia’s Ural Mountains.
Tourmaline
Tourmaline's name comes from the Sinhalese word "turmali", which means "mixed". Occurring in more colors or combinations of colors than any other gemstone, tourmaline lives up to its name.
Turquoise
It is rare and valuable in finer grades and has been prized as a gem and ornamental stone for thousands of years owing to its unique hue. The turquoise occurs as vein or seam fillings, and as compact nuggets; these are mostly small in size.
Zircon
Colorless zircon is known for its brilliance and flashes of multicolored light, called fire. These zircon properties are close enough to the properties of diamond to account for centuries of confusion between the two gems.
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