Our Collections

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Gemstone Stud Earrings
Gemstone Stud Earrings
Gemstone Pendants
Gemstone Pendants
Gemstone Rings
Gemstone Rings
Brecciated Jasper Slab; 128.105cts - Mark Oliver Gems
Gemstone Slabs
Loose Gemstones
Loose Gemstones

Featured Birthstone

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Alexandrite Pendant; Natural Untreated Brazil Alexandrite; 0.525cts - Mark Oliver Gems
Alexandrite Pendant; Natural Untreated Brazil Alexandrite; 0.525cts - Mark Oliver Gems
Alexandrite Pendant; Natural Untreated Brazil Alexandrite; 0.525cts - Mark Oliver Gems
Alexandrite Pendant; Natural Untreated Brazil Alexandrite; 0.525cts - Mark Oliver Gems
Alexandrite Pendant; Natural Untreated Brazil Alexandrite; 0.525cts - Mark Oliver Gems
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Alexandrite Pendant; Natural Untreated Brazil Alexandrite; 0.525cts - Mark Oliver GemsAlexandrite Pendant; Natural Untreated Brazil Alexandrite; 0.525cts - Mark Oliver GemsAlexandrite Pendant; Natural Untreated Brazil Alexandrite; 0.525cts - Mark Oliver GemsAlexandrite Pendant; Natural Untreated Brazil Alexandrite; 0.525cts - Mark Oliver GemsAlexandrite Pendant; Natural Untreated Brazil Alexandrite; 0.525cts - Mark Oliver Gems

Alexandrite Pendant; Natural Untreated Brazil Alexandrite; 0.525cts

Mark Oliver Gems
Chain Type: No Chain
Price:
$1,250.00

New Loose Gemstone Arrivals

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Sweet Home Rhodochrosite Gemstones; Natural Untreated Colorado Rhodochrosite, 4.350cts - Mark Oliver Gems
$330.00
Sweet Home Rhodochrosite Gemstones; Natural Untreated Colorado Rhodochrosite, 4.350cts
Herkimer Diamond Specimen; Natural Untreated New York Herkimer Quartz Crystal; 5.225 gramsHerkimer Diamond Specimen; Natural Untreated New York Herkimer Quartz Crystal; 5.225 grams
$200.00
Herkimer Diamond Specimen; Natural Untreated New York Herkimer Quartz Crystal; 5.225 grams
Yellow Sapphire Specimen; Natural Untreated Sri Lanka Dogtooth Sapphire Crystal; 5.340ctsYellow Sapphire Specimen; Natural Untreated Sri Lanka Dogtooth Sapphire Crystal; 5.340cts
$200.00
Yellow Sapphire Specimen; Natural Untreated Sri Lanka Dogtooth Sapphire Crystal; 5.340cts
Blue Sapphire Specimen; Natural Untreated Sri Lanka Dogtooth Sapphire Crystal; 6.260ctsBlue Sapphire Specimen; Natural Untreated Sri Lanka Dogtooth Sapphire Crystal; 6.260cts
$175.00
Blue Sapphire Specimen; Natural Untreated Sri Lanka Dogtooth Sapphire Crystal; 6.260cts
Blue Sapphire Specimen; Natural Untreated Sri Lanka Dogtooth Sapphire Crystal; 6.390ctsBlue Sapphire Specimen; Natural Untreated Sri Lanka Dogtooth Sapphire Crystal; 6.390cts
$200.00
Blue Sapphire Specimen; Natural Untreated Sri Lanka Dogtooth Sapphire Crystal; 6.390cts
Herkimer Diamond Specimen; Natural Untreated New York Herkimer Quartz Crystal; 3.581 gramsHerkimer Diamond Specimen; Natural Untreated New York Herkimer Quartz Crystal; 3.581 grams
$125.00
Herkimer Diamond Specimen; Natural Untreated New York Herkimer Quartz Crystal; 3.581 grams

New Slab Arrivals

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Rainforest Jasper Slab from Australia; 205.42 gramsRainforest Jasper Slab from Australia; 205.42 grams
$50.00
Rainforest Jasper Slab from Australia; 205.42 grams
Rainforest Jasper Slab from Australia; 190.77 gramsRainforest Jasper Slab from Australia; 190.77 grams
$50.00
Rainforest Jasper Slab from Australia; 190.77 grams
Rainforest Jasper Slab from Australia; 431.01 gramsRainforest Jasper Slab from Australia; 431.01 grams
$75.00
Rainforest Jasper Slab from Australia; 431.01 grams
Rainforest Jasper Slab from Australia; 276.78 gramsRainforest Jasper Slab from Australia; 276.78 grams
$75.00
Rainforest Jasper Slab from Australia; 276.78 grams
Mookaite Jasper Slab from Australia; 568.45 gramsMookaite Jasper Slab from Australia; 568.45 grams
$110.00
Mookaite Jasper Slab from Australia; 568.45 grams
Petrified Wood Slab from Madagascar; 198.75 gramsPetrified Wood Slab from Madagascar; 198.75 grams
$125.00
Petrified Wood Slab from Madagascar; 198.75 grams

At Mark Oliver Gems, we believe that every gemstone has it's own story: from where it originates, the chemical composition, age, color, inclusions and the people who mine it. Our products are a celebration of what makes everything special about gemstones! We also carry a wide variety of unique and unusual stones that you do not see in many shops along with all of the classic gemstone types!

Learn More About Us

Safe and Secure Wordwide Shipping

All pieces and stones are shipped in a secure and unmarked box via USPS, UPS, FedEx or DHL from our one and only Denville, NJ shop.

Returns are Accepted

Returns are accepted as long as we are contacted within 7 days of delivery and the item is returned in its original condition and box.

Responsive Support

We are happy to answer any questions you may have within 24 hours.

Contact Us

markolivergems@gmail.com