Unmounted Gemstones

Lehrer Designs' unmounted creations. Explore our award-winning carvings, one of a kind gemstones, and calibrated TorusRings and QuasarCuts. All of our gemstones can be set into a custom piece of jewelry upon request, and are open for trade.
141 products

141 products

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Rubellite Tourmaline Pear TorusRing with Diamond | 2.99 ct
$1,950.00
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Pink Tourmaline Pear TorusRing with Diamond | 1.55 ct
$900.00
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Light Green Tourmaline Oval TorusRing with Diamond | 5.55 ct
$5,050.00
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Green Tourmaline Marquise TorusRing with Diamond | 3.97 ct
$3,295.00
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Bi-Color Yellow-Blue Sapphire Marquise TorusRing | 1.67 ct
$1,825.00
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Bi-Color Blue Yellow Sapphire Pear TorusRing | 2.89 ct
$3,200.00
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Sapphire TorusRing Matching Pair | 2.02 ct each
$2,800.00
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African Blue Chalcedony Fantasia carvings F975
$3,075.00
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Purple Chalcedony with Drusy Fantasia Carving-F974
$2,870.00
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Mojave Blue Drusy Chalcedony Fantasia Carving-F972
$2,200.00
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Carnelian Banded Agate Fantasia Drusy Carving F973
$1,300.00
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Mojave Blue Chalcedony fantasia carving F970
$1,550.00
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Purple Chalcedony Fantasia Carving F979
$1,600.00
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Laguna Drusy agate Fantasia carving-F971
$2,500.00
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Ametrine Large TorusRing cut Round AAA grade
$3,630.00
Rubellite Tourmaline Pear TorusRing with Diamond | 2.99 ct

Rubellite Tourmaline Pear TorusRing with Diamond | 2.99 ct

$1,950.00 Save $-1,950.00
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Red-Pink (Rubellite) Tourmaline TorusRing, Pear 12.5x10 mm, 2.99 ct. Set with SRB cut diamond 0.02 ct VS clarity, G-I color in 14k white gold.
Pink Tourmaline Pear TorusRing with Diamond | 1.55 ct

Pink Tourmaline Pear TorusRing with Diamond | 1.55 ct

$900.00 Save $-900.00
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Pink Tourmaline TorusRing, Pear 10x8 mm, 1.55 ct. Set with SRB cut diamond 0.02 ct VS clarity, G-I color in 14k white gold.
Light Green Tourmaline Oval TorusRing with Diamond | 5.55 ct

Light Green Tourmaline Oval TorusRing with Diamond | 5.55 ct

$5,050.00 Save $-5,050.00
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Light Green Tourmaline TorusRing, Oval 15.5x11 mm, 5.55 ct. Set with SRB cut diamond 0.015 ct VS clarity, G-H color in 14k white gold.
Green Tourmaline Marquise TorusRing with Diamond | 3.97 ct

Green Tourmaline Marquise TorusRing with Diamond | 3.97 ct

$3,295.00 Save $-3,295.00
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Green Tourmaline TorusRing, Marquise 19x8 mm, 3.97 ct. Set with SRB cut diamond 0.02 ct VS clarity, G-I color in 14k white gold.
Bi-Color Yellow-Blue Sapphire Marquise TorusRing | 1.67 ct

Bi-Color Yellow-Blue Sapphire Marquise TorusRing | 1.67 ct

$1,825.00 Save $-1,825.00
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Bi-color Blue-Yellow Sapphire TorusRing cut, 1.67cts, marquise, 14.1x6.2mm, ID 1.8mm-H, Australia.
Bi-Color Blue Yellow Sapphire Pear TorusRing | 2.89 ct

Bi-Color Blue Yellow Sapphire Pear TorusRing | 2.89 ct

$3,200.00 Save $-3,200.00
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Bi-Color Blue Yellow Sapphire, TorusRing, 2.89cts, Pear, 12.3mmx8.1mm, ID 1.8mm-H, Australia
Sapphire TorusRing Matching Pair | 2.02 ct each

Sapphire TorusRing Matching Pair | 2.02 ct each

$2,800.00 Save $-2,800.00
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Sapphire Blue TorusRing cut matching pair, 2-2.02 cts Montana 6.5 mm round, ID 1.7mm, -H
African Blue Chalcedony Fantasia carvings F975

African Blue Chalcedony Fantasia carvings F975

$3,075.00 Save $-3,075.00
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African Blue Chalcedony Fantasia carving AAA grade, 61.56 ct, 39.1 x 31.1 x 12.7 mm. Namibia- N- signed by artist. Very old rough: material that this carved from is no longer available from the source.

Purple Chalcedony with Drusy Fantasia Carving-F974

$2,870.00 Save $-2,870.00
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Purple Chalcedony with Drusy Fantasia Carving, 95.55 ct, 65.5 x 21.9 x 10.0 mm, -N- avoid long expose to UV light to avoid fading , Ethiopia – N

Mojave Blue Drusy Chalcedony Fantasia Carving-F972

$2,200.00 Save $-2,200.00
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Mojave Blue Drusy Chalcedony Fantasia Carving, 50.64 ct, measuring 47.6 x 24.5 13.6 mm, -N- USA signed by artist. Very old rough: material that this carved from is no longer available from the source.                  
Carnelian Banded Agate Fantasia Drusy Carving F973

Carnelian Banded Agate Fantasia Drusy Carving F973

$1,300.00 Save $-1,300.00
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Carnelian Banded Agate Fantasia Drusy Carving, 27.05 ct, 28.1 x 35.2 x 7.0 mm. - N- Brazil signed by artist          

Mojave Blue Chalcedony fantasia carving F970

$1,550.00 Save $-1,550.00
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Mojave Blue Chalcedony fantasia carving weighing 26.45 cts measuring 41.5 x 23.5 x 6.1 mm, origin: USA, enhancement: N-None.   Very old rough: material that this carved from is no longer available from the source.      
Purple Chalcedony Fantasia Carving F979

Purple Chalcedony Fantasia Carving F979

$1,600.00 Save $-1,600.00
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Purple Chalcedony Fantasia Carving, 47.7 x 25.5 x 5.10mm, -N- avoid long expose to UV light to avoid fading, Ethiopia -N-
Laguna Drusy agate Fantasia carving-F971

Laguna Drusy agate Fantasia carving-F971

$2,500.00 Save $-2,500.00
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Laguna Drusy agate Fantasia carving red, whit and yellow banding with dressy, measuring 45.5 x 35.3 x 6.5mm, weighting 52.47 ct. origin: Mexico, -N-

 

Ametrine Large TorusRing cut Round AAA grade

$3,630.00 Save $-3,630.00
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Anahi Ametrine round TorusRing cut weighing 25.94 its, measuring 28.04 x 5.97 mm with ID 10.08mm. The ametrine is a combination of faceted and carved ready for custom jewelry piece and setting. Origin of material; Bolivia. Country of Manufacture: USA