Our Collections

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Gemstone Stud Earrings
Gemstone Stud Earrings
Gemstone Pendants
Gemstone Pendants
Gemstone Rings
Gemstone Rings
Star Gemstone Jewelry
Star Gemstone Jewelry
Loose Gemstones
Loose Gemstones

Featured Birthstone

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Aquamarine Ring, Genuine Untreated Brazil Aquamarine - Mark Oliver Gems
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Aquamarine Ring, Genuine Untreated Brazil Aquamarine - Mark Oliver GemsAquamarine Ring, Genuine Untreated Brazil Aquamarine - Mark Oliver GemsAquamarine Ring, Genuine Untreated Brazil Aquamarine - Mark Oliver GemsAquamarine Ring, Genuine Untreated Brazil Aquamarine - Mark Oliver GemsAquamarine Ring, Genuine Untreated Brazil Aquamarine - Mark Oliver Gems

Aquamarine Ring, Genuine Untreated Brazil Aquamarine

Mark Oliver Gems
Ring size: 5
Price:
$100.00
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Featured Gemstone

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Cognac Zircon Gemstone; Natural Untreated Tanzania Zircon, 1.780cts - Mark Oliver Gems
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Cognac Zircon Gemstone; Natural Untreated Tanzania Zircon, 1.780cts - Mark Oliver Gems Cognac Zircon Gemstone; Natural Untreated Tanzania Zircon, 1.780cts - Mark Oliver GemsCognac Zircon Gemstone; Natural Untreated Tanzania Zircon, 1.780cts - Mark Oliver GemsCognac Zircon Gemstone; Natural Untreated Tanzania Zircon, 1.780cts - Mark Oliver GemsCognac Zircon Gemstone; Natural Untreated Tanzania Zircon, 1.780cts - Mark Oliver GemsCognac Zircon Gemstone; Natural Untreated Tanzania Zircon, 1.780cts - Mark Oliver GemsCognac Zircon Gemstone; Natural Untreated Tanzania Zircon, 1.780cts - Mark Oliver GemsCognac Zircon Gemstone; Natural Untreated Tanzania Zircon, 1.780cts - Mark Oliver Gems

Cognac Zircon Gemstone; Natural Untreated Tanzania Zircon, 1.780cts

Mark Oliver Gems
Stone Type Zircon
Color Brown/Orange
Weight 1.780cts total
Shape Round Cut
Size 3mm
Treatment Untreated
Origin Tanzania
Pieces/QTY 1 Set (12 stones)

 

This a natural and untreated set of Cognac Zircon from Tanzania with great clarity and faceting!

Price:
$78.00
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Gemaholic Shirt

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Gemaholic T-Shirt
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Gemaholic T-ShirtGemaholic T-ShirtGemaholic T-Shirt

Gemaholic T-Shirt

Mark Oliver Gems

Do you have a gem buying problem? Are you a gemaholic? 

Well, let it be know and wear it with pride! Our new Mark Oliver Gems shirts are now available online! We are now offering the gray color with a blue option coming in the unisex sizes of:

Small

Medium

Large

Extra Large 

2XL

Size: S
Price:
$26.00
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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
Spirit Quartz Specimen; Natural Untreated South Africa Cactus Quartz, 17.21 grams
$30.00
Spirit Quartz Specimen; Natural Untreated South Africa Cactus Quartz, 17.21 grams
Spirit Quartz Specimen; Natural Untreated South Africa Cactus Quartz, 16.07 grams
$30.00
Spirit Quartz Specimen; Natural Untreated South Africa Cactus Quartz, 16.07 grams
Spirit Quartz Specimen; Natural Untreated South Africa Cactus Quartz, 59.83 grams
$48.00
Spirit Quartz Specimen; Natural Untreated South Africa Cactus Quartz, 59.83 grams
Spirit Quartz Specimen; Natural Untreated South Africa Cactus Quartz, 57.23 grams
$45.00
Spirit Quartz Specimen; Natural Untreated South Africa Cactus Quartz, 57.23 grams
Spirit Quartz Specimen; Natural Untreated South Africa Cactus Quartz, 70.12 grams
$50.00
Spirit Quartz Specimen; Natural Untreated South Africa Cactus Quartz, 70.12 grams
Spirit Quartz Specimen; Natural Untreated South Africa Cactus Quartz, 72.38 gams
$50.00
Spirit Quartz Specimen; Natural Untreated South Africa Cactus Quartz, 72.38 gams
Fluorite Gemstone; Natural Untreated Argentina Fluorite; 8.360cts
$50.00
Fluorite Gemstone; Natural Untreated Argentina Fluorite; 8.360cts
Fluorite Gemstone; Natural Untreated Argentina Fluorite; 11.630cts
$68.00
Fluorite Gemstone; Natural Untreated Argentina Fluorite; 11.630cts
Fluorite Gemstone; Natural Untreated Argentina Fluorite; 4.915cts
$32.00
Fluorite Gemstone; Natural Untreated Argentina Fluorite; 4.915cts
Fluorite Gemstone; Natural Untreated Argentina Fluorite; 4.640cts
$28.00
Fluorite Gemstone; Natural Untreated Argentina Fluorite; 4.640cts
Fluorite Gemstone; Natural Untreated Argentina Fluorite; 5.640cts
$35.00
Fluorite Gemstone; Natural Untreated Argentina Fluorite; 5.640cts

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 or UPS 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

201-787-6171