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| Amethyst - Four Peaks Mine, Maricopa County, Arizona USA
Super bright, super color four peaks triangle cushion. clean 10.86ct $35/ct 17x15mm | $480 Item
#3154 |
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| Amethyst - Four Peaks, Maricopa County, Arizona
Reddish violet triangle cushion with checkerboard top. 6.58carats 25/ct, tiny wispy veil, very good stone. 14x11mm | $264 Item
#3317
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| Aquamarine - Jos, Nigeria
Freeform cut with medium blue color, very fine 2.21ct clean $100/ct 10x6 mm | $321 Item
#1933
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| Aquamarine - Brazil
Well cut trillion, very bright, light blue, with some tiny two phase inclusions under 10x observation. 3.02ct 60/ct 10mm | $280 Item
#4077
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| Blue Spinel (Russian synthetic spinel) - Russia
Flawless deep blue spinel, 44.02 carat cushion 21x19mm | $420 Item
#3135
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| Brazilianite - Rio Urupuca, Minas Gerais, Brazil
From our prospect in the late 1970's, a nice trillion .91ct, nice gem of a rare phosphate from a pegmatite where Jack rode a mule to get to the mine from the ranch house. Later he rode a motorcycle, when his behind got too sore from mule riding. true story. And there were aligators in the river. 7mm | $190 Item
#2093
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| Chrysoberyl - Bahia, Brazil
Nice yellow oval, clean, well cut. 3.22ct, $50/ct 10x7mm | $260 Item
#1939
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| Chrysoprase in Jasper - Australia
I got about 6 of these cabochons in Tucson about 20 years ago and have never seen any more. They are bands of Chrysoprase inside a brown jasper rock. Very high polish, very rare. This is one of the best. 17.56ct 31x16mm | $225 Item
#2094
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| Citrine - Uruguay
Very fine cut on golden citrine, 13.76ct, $12/ct 16x12mm | $265 Item
#1420
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| Diamond - South Africa
1.00ct round brilliant with GIA certificate, J color, VS2, a very good stone. 6.3mm | $3400 Item
#2077
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| Emerald (Taurus Russian Synthetic) - Russia
The finest synthetic hydrothermal emerald, cut to perfect angles. Flawless 1.38ct 80/ct Comparable to a Zambian natural emerald at $3000/ct minimum. 9x7mm | $210 Item
#1962
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| Emerald Cat's Eye - Itabira, Minas Gerais, Brazil
Very rare cat's eye emerald as discussed in Gems and Gemology over twenty years ago. Very sharp eye, well cut. Better than picture, this is a great stone. 1.42ct $500/ct 15x5.4mm | $1110 Item
#3121
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| Emerald, Russian synthetic - Novosibirsk, Siberia, Russia
Flawless square octagon, step cut, 5.66ct, 25/ct 11mm square | $241 Item
#4037
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| Emerald, Synthetic Russian - Novosibirsk, Siberia, Russia
Perfectly cut octagon of flawless lab created emerald from Siberia. This hydrothermally grown rough is the finest synthetic emerald to be found anywhere. Cut by us from select rough. Classic step cut. 8.85ct, 35/ct Phot does not do this stone justice as far as true color, this stone has to be seen to be appreciated. 16x11mm | $410 Item
#4035
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| Hessonite Garnet - Sri Lanka
Orange red cushion, 6.35 carats, excellent stone, $60/ct If this were a spessartite, which is very similar in color, it would be $200/carat! 13x10mm | $681 Item
#3171
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| Jadeite - China
8x6 oval of fine apple green jade. excellent value from new production in China, as good as any Burmese. 8x6 mm | $145 Item
#1925
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| Jadeite - China
Excellent jade, true jadeite, as good as you can find. 5.90ct 20x8 mm | $175 Item
#1926
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| Labradorite - Durango, Mexico
Flawless pale yellow cushion. 17.54ct $30/ct 21x11mm | $726 Item
#2026
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| Opal - Australia
Solid white opal with dramatic large patches of green. 1.31 ct 90/ct 12x8mm | $218 Item
#1410
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| Opal - Australia
Very fine opal with all colors evenly distributed in large patches. In stock for observation for over a year it is stable and guaranteed as all our opals are. (except for damage during mounting by a jeweler.) We also offer custom mountings in 14Kt or 18Kt yellow gold. 5.81 ct $50/ct 15x13 | $390 Item
#1411
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| Opal - Brazil
Nice even distribution of color, and large patch size, orange and greens mostly, 1.89ct, $40/ct 11x9mm | $76 Item
#1413
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| Opal - Australia
Nice white opal with all colors in nice size patches. 2.90ct 55/ct 13x8mm | $259 Item
#1996
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| Opal - Australia
Semi-black Opal with all colors of the rainbow, 18.01ct 20/carat 27x20mm | $460 Item
#1997
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| Opal - Coober Ped, Australia
Excellent solid white opal with large patches of all colors. 3.48ct 90/ct 15x10 | $413 Item
#2074
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| Opal - Australia
Very fine solid white opal with large patches of all colors, mostly orange. Shows colors 15 feet away! 2.67 ct 95/ct 12x10mm | $350 Item
#2075
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| Petalite - Minas Gerais, Brazil
A rare lithium aluminum silicate, flawless octagon 2.09 ct 25/ct 9x7mm | $152 Item
#1942
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| Petalite - Minas Gerais, Brazil
Nice round, 5.33cts, some veils, but nice stone $15/ct A rare pegmatite mineral. 12mm | $180 Item
#2096
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| Photoatlas of Inclusions in Gemstones Volume I - Switzerland
These two volumes written by E.J.Gubelin and John Koivula are perhaps the best reference books available for identifying gemstone inclusions. Volume I (fourth edition) has 532 pages and 1,400 color plates. Cost is $250 plus shipping and tax if applicable from microWorld of Gems, 1611-A South Melrose Drive, #366 Vista, CA 92081 10x9x2" | $350 Item
#3070
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| Photoatlas of Inclusions in Gemstones Volume II - Basel, Switzerland
These two volumes written by E.J.Gubelin and John Koivula are perhaps the best reference books available for identifying gemstone inclusions. Volume II has 829 pages and over 2,200 color plates. Cost is $260 plus shipping and applicable tax. Volume II is a more expanded look at inclusions with any notable gem localities discovered since 1986. (The Lowell Effect in Amethyst is mentioned several times with pictures). This is also available at microWorld of Gems, 1611-A South Melrose Drive, #366 Vista, CA 92081 . 10x9x2" | $360 Item
#3071
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| Pink Sapphire - Sri Lanka
Bright pink oval, well cut, has some inclusions but still a very nice ring stone. 2.10 carats 8.5x6mm | $685 Item
#3048
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| Quartz with Black Tourmaline inclusion (centered) - Brazil
Rare Quartz cut to create optical illusion, pinwheel cut 16.30ct 18mm | $325 Item
#3170
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| Red Labradorite - Congo, Africa
New discovery of padparasha like feldspar, also called sunstone. 1.87ct $160/ct 7x9mm | $399 Item
#2076
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| Red Labradorite/Andesine - China
Very fine cushion, clean, and perfectly cut. 2.73cts 140/ct Rare quality in a rare gem. 9mm square | $482 Item
#3125
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| Refractometer - China
Excellent new manufacture from China, this Refractometer is made by New Era Technology. Compact and well built, this instrument for identifying gemstones by refractive index is a fraction of the price of other models on the market. Includes RI Liquid, light source, leatherette case, and additional hard cover case for travel. wt 1.25 lb. Compare with the GIA Duplex II Refractometer at $595. (We also carry the Refractive Index liquid, 1.81 10 grams for $35, compare to GIA at $55) Shipping for refractometer $15 in US, insured well packed. 5x3x1.25" | $250 Item
#3095
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| Refractometer Liquid - United States
We sell Refractometer liquid for half the price of the GIA. From the same maker, just our label. Rembmer to always wipe your glass after using the refractometer. New Service Offered: We can repolish your glass stage on the Duplex II refractometer if it is corroded from years of usage. Contact us for details, cost is $125 plus shipping two ways using extra packing. Your refractometer will give readings like it did when it was new. The GIA charges $520, replacing the glass. But we can polish the glass in place! 10 gram bottle | $65 Item
#2761
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| Rhodolite Garnet - India
Flawless octagon with deep red color. 10.36ct 45/ct 13x11mm | $665 Item
#1998
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| Rose Garnet - Sri Lanka
Unusual deep rose color flawless oval. Excellent cut for brilliance. 4.47 carats 12x11mm | $547 Item
#4000
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| Rubellite - Ouro Fino, Minas Gerais, Brazil
Beveled cherry red beveled triangle with slight veils. Classic tourmaline locality in Brazil, where the finest red tourmaline is found, this one from a big bamburo (mining discovery) in 1980. 2.67ct, 100/ct 10x9mm | $3 Item
#1973
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| Rubellite - Afghanistan
14.10 carat cushion with the finest shade of red. Very brilliant, this gem can be seen from across a room. Some slight inclusions, $50/carat. 16x12.5mm | $900 Item
#3159
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| Rubellite - Minas Gerais, Brazil
Fine octagon, step cut, 4.10 ct, small inclusions, very fine color red. 145/carat 11x7mm | $780 Item
#4084
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| Rubellite Tourmaline - Afghanistan
Nearly Flawless strawberry red excellent cut drop shape rubellite 10.36ct $75/ct 17x13mm | $977 Item
#1343
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| Russian Synthetic Emerald - Novosibirsk, Siberia, Russia
Deep emerald green octagon, the color is hard to photograph but we assure you it is emerald green. Expertly cut from select rough. 4.90ct 25/ct 12x10mm | $23 Item
#4038
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| Rutilated Quartz - Brazil
Supremely cut leaf cut quartz with very unique formation of multicolored rutile. A one of a kind gem 58 carats 40x20mm | $320 Item
#4003
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| Sapphire - Sri Lanka
Bright blue-violet 2.02ct oval, nearly flawless 8x5.5mm | $380 Item
#3105
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| Sapphire - Sri Lanka
Blue oval, very bright, nearly flawless 2.08ct 7x6mm | $400 Item
#3106
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| Sapphire - Sri Lanka
Bright well cut sapphire with light blue-violet color. Some tiny inclusions, good color in all lighting. 2.94ct 10x7mm | $648 Item
#3119
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| Sapphire - Sri Lanka
Very nice blue pear shape, excellent color, 2.39 carats. Some planar inclusions but not apparent except on examination. Price is very good for this size stone, $470/ct Excellent cutting 10x7mm | $1123 Item
#3137
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| Specific Gravity Balance Kit - Arizona, USA
Specific Gravity Kit Just weigh the stone "in air" on the integrated weighing platform of the scale, then without changing any setup, weigh the stone in water by placing it in the underwater weighing pan of the gem holder suspended above the platform. Then plug those two values into the specific gravity equation to obtain the specific gravity of your stone. It's that easy and it takes only a few seconds! Contact Mineralab.com for price and shipping. Jack highly recommends it for any mineralogist, gemologist or collector. Very well designed and accurate. Requires electronic gem balance. Good source for other gem instruments. | $80 Item
#3842
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| spessartine garnet - Nigeria
Fine color cushion, clean, 2.92 cts 8.2x7.2mm | $750 Item
#3091
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| Spessartite - Afghanistan
Our own design of angelfish carvings done in China by expert gem carvers, this gemmy orange spessartite garnet fish stands by itself and is detailed on both sides. A real work of art. 33.05 carats (Ask us to mount it in 14kt gold for a pendant at additional charge) See our angel fish section for more angelfish carved from other gems like lapis, ocean jasper, rubellite, and more. 1x .75 x .25" | $220 Item
#1601
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| Spessartite - Brazil
Rich orange red Spessartite, clean, 3.62ct, 40/ct 10x8mm | $244 Item
#1937
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| Spinel (Russian Synthetic) - Russia
Set this beauty in a pendant and impress your friends and enemies. :-) Flawless cushion cut in the same shape as the Hope Diamond. 44.92ct $8/ct 21x19mm | $360 Item
#3111
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| Synthetic Russian Emerald - Novosibirsk, Siberia, Russia
Flawless zigzag cut, 1.87ct, 40/ct 9x6mm | $175 Item
#4040
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| Tourmaline - Taquaral, MG, Brazil`
Very fine bluegreen octagon, 3.03 ct, 60/ct 11x6mm | $282 Item
#1402
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| Tourmaline - Minas Gerais, Brazil
Nice green square octagon, 2.16ct, $55/ct 7mm | $219 Item
#1403
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| Tourmaline - Afghanistan
Very nice green, 1.54ct, 60/ct 8x6 | $192 Item
#1404
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| Tourmaline - Mozambique
Rare Cinnamon color flawless oval, perfect cut. 6.54ct @55/ct 13x10 | $460 Item
#1405
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| Tourmaline - Mozambique
Pure medium green tourmaline with octangle shape, 13.06ct $55/ct, dramatic stone 14x12.5mm | $915 Item
#1406
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| Tourmaline - MG Brazil
Very fine electric blue green tourmaline, lots of blue, excellent stone for fine jewelry. 11.90ct 100/ct 12x11mm | $1490 Item
#1415
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| Tourmaline - MG, Brazil
Excellent tourmaline, again, fine electric blue green. well cut. matches 1415 in cut and color. Discount for both stones, please inquire. 6.35ct 95/ct 10x9 | $800 Item
#1416
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| Tourmaline - Brazil
Pure green stone, well cut, 4.23ct, $60/ct 11x7mm | $350 Item
#1418
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| Tourmaline - Minas Gerais, Brazil
Very fine green Octagon, 9.14ct, 100/ct 21x8mm | $1114 Item
#1419
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| Tourmaline - Taquaral, Minas Gerais, Brazil
Flawless pink tourmaline. 10.76ct 65/ct 15x12mm | $900 Item
#1992
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| Tourmaline - MG, Brazil
Flawless baguette, to make a beautiful pendant, put a line of diamond melee on the sides and it will get compliments anywhere. 3.79ct 40/ct 21x5mm | $250 Item
#2049
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| Tourmaline - Nuristan, Afghanistan
Very fine step cut cushion cut by Ann Lamerson. A lime green with a touch of blue. As good as tourmaline gets. 12.00ct $195/ct 17x9mm | $2640 Item
#3055
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| Tourmaline - Nuristan, Afghanistan
Very fine blue with tint of green. 7.81ct. $280/ct flawless and one of the best tourmalines we have ever cut. 20x7.5mm | $2580 Item
#3056
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| Tourmaline - Aracuai, Minas Gerais, Brazil
Bright electric green tourmaline, perfect cut, octagon with 7.09ct $110/ct 18x8mm | $1080 Item
#3169
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| Tourmaline - Minas Gerais, Brazil
Very fine flawless green tourmaline, 7.04 ct $95/ct 15x8mm | $1069 Item
#3373
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| Tourmaline Slice - Himalaya Mine, San Diego Cnty., California
Deep pink center with "propeller" design and green rim. 31.42 cts, $5/ct 27x26x4mm | $257 Item
#3147
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| Tourmaline, var Elbaite - Nuristan, Afghanistan SOLD
Very fine greenish-blue, electric, flawless, cut to perfection with total brilliance,our finest tourmaline. 15.61ct $220/ct SOLD 18x11mm | $3946 Item
#3108
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| Tourmaline, var. Indicolite - Minas Gerais, Brazil
Very fine blue tourmaline, Indicolite this stone is perfectly cut, a beautiful electric blue color, and flawless. Similar to Paraiba tourmaline, but at a fraction of the cost. 3.12ct $160/ct 13x6mm | $699 Item
#2045
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| Turquoise - Iran
Persian Turquoise, this spiderweb oval is as good as you can find. Persian Turquoise is the finest turquoise for luster, density, and hardness. 14.46ct $10/ct Guaranteed 100% to be natural and untreated Persian Turquoise. An exclusive from Colorado Gem and Mineral Co. Will be used as the illustration in the new Webster's Illustrated Dictionary. 16x13mm | $244 Item
#2005
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