España

Gemologo titulado en la  Escuela de Gemologia de la Universidad de Barcelona y la  FEEG ,especialista en diamantes  titulado  de la Escuela de Gemologia de la Universidad de Barcelona  y Tallador de piedras preciosas. 

Auctions

Classic Gemstone Auction

Gemstone Auction (Exclusive)

No evidence of treatment

No Reserve Price Green Fluorite  - 131.18 ct - International Gemological Institute (IGI)

Sri Lanka - No evidence of treatment

No Reserve Price Blue Sapphire  - 2.22 ct - International Gemological Institute (IGI)

Oiling

No Reserve Price Green Emerald  - 4.09 ct - International Gemological Institute (IGI)

Tanzania - Commonly heated with no evidence of treatment

No Reserve Price Blue, Violet Tanzanite  - 16.99 ct - International Gemological Institute (IGI)

No Reserve Price Opal  - 41.23 ct - International Gemological Institute (IGI) - Color game

No Reserve Price Aquamarine  - 47.88 ct - International Gemological Institute (IGI) - Greenish blue

No Reserve Price Green Fluorite  - 115.12 ct - International Gemological Institute (IGI)

No Reserve Price Blue Sapphire  - 2.75 ct - International Gemological Institute (IGI)

No Reserve Price Tourmaline  - 1.76 ct - International Gemological Institute (IGI) - Rubellite, purple rose

No Reserve Price Green Emerald  - 2.94 ct - International Gemological Institute (IGI)

No Reserve Price Blue, Violet Tanzanite  - 16.84 ct - International Gemological Institute (IGI)

No Reserve Price Opal  - 20.39 ct - International Gemological Institute (IGI) - Color game

No Reserve Price Blue Sapphire  - 2.45 ct - International Gemological Institute (IGI)

No Reserve Price Green Fluorite  - 86.41 ct - International Gemological Institute (IGI)

No Reserve Price Tourmaline  - 3.13 ct - International Gemological Institute (IGI) - Rubellite, purple rose

No Reserve Price Aquamarine  - 40.39 ct - International Gemological Institute (IGI) - Greenish blue

No Reserve Price Opal  - 12.00 ct - International Gemological Institute (IGI) - Color game

No Reserve Price Blue, Violet Tanzanite  - 17.21 ct - International Gemological Institute (IGI)

No Reserve Price Yellow Sapphire  - 1.14 ct - International Gemological Institute (IGI)

No Reserve Price Sapphire  - 2.25 ct - International Gemological Institute (IGI) - soft blue

No Reserve Price Green Fluorite  - 58.66 ct - International Gemological Institute (IGI)

No Reserve Price Aquamarine  - 14.66 ct - International Gemological Institute (IGI) - Greenish blue

No Reserve Price Opal  - 11.28 ct - International Gemological Institute (IGI) - Color game

No Reserve Price Blue, Violet Tanzanite  - 9.78 ct - International Gemological Institute (IGI)

No Reserve Price Green, Yellow Tourmaline  - 3.88 ct - International Gemological Institute (IGI) - Verdelita

No Reserve Price Blue, Yellow Sapphire  - 1.16 ct - International Gemological Institute (IGI) - Bicolor

No Reserve Price Fluorite  - 60.61 ct - International Gemological Institute (IGI) - deep teal

No Reserve Price Blue Aquamarine  - 15.53 ct - International Gemological Institute (IGI)

No Reserve Price Opal  - 9.69 ct - International Gemological Institute (IGI) - Color game

No Reserve Price Blue, Violet Tanzanite  - 9.51 ct - International Gemological Institute (IGI)

No Reserve Price Green Emerald  - 1.01 ct - International Gemological Institute (IGI)

No Reserve Price Blue Sapphire  - 2.21 ct - International Gemological Institute (IGI)

No Reserve Price Green, Yellow Fluorite  - 40.70 ct - International Gemological Institute (IGI)

No Reserve Price Aquamarine  - 13.43 ct - International Gemological Institute (IGI) - Greenish blue

No Reserve Price Opal  - 9.92 ct - International Gemological Institute (IGI) - Color game

No Reserve Price Blue, Violet Tanzanite  - 8.88 ct - International Gemological Institute (IGI)

No Reserve Price Sapphire  - 1.17 ct - International Gemological Institute (IGI) - Greenish blue

Commonly heated with no evidence of treatment

No Reserve Price Blue Sapphire  - 2.15 ct - International Gemological Institute (IGI)

No Reserve Price Green Fluorite  - 38.78 ct - International Gemological Institute (IGI)

No Reserve Price Blue Aquamarine  - 13.03 ct - International Gemological Institute (IGI)

No Reserve Price Opal  - 9.89 ct - International Gemological Institute (IGI) - Color game

No Reserve Price Garnet  - 9.71 ct - International Gemological Institute (IGI) - Deep red, almandine

No Reserve Price Yellow Sapphire  - 0.93 ct - International Gemological Institute (IGI)

No Reserve Price Fluorite  - 48.07 ct - International Gemological Institute (IGI) - Violet- Green

No Reserve Price Blue Aquamarine  - 12.79 ct - International Gemological Institute (IGI)

No Reserve Price Opal  - 9.63 ct - International Gemological Institute (IGI) - Color game

No Reserve Price Orange Spinel  - 1.18 ct - International Gemological Institute (IGI)

No Reserve Price Green, Yellow Tourmaline  - 3.26 ct - International Gemological Institute (IGI) - Verdelita

No Reserve Price Fluorite  - 32.39 ct - International Gemological Institute (IGI) - deep green

No Reserve Price Green Fluorite  - 35.45 ct - International Gemological Institute (IGI)

No Reserve Price Aquamarine  - 13.19 ct - International Gemological Institute (IGI) - Greenish blue

No Reserve Price Pink Spinel  - 0.79 ct - Istituto Gemmologico Italiano (IGI)

No Reserve Price Aquamarine  - 11.43 ct - International Gemological Institute (IGI) - Greenish blue

No Reserve Price Opal  - 9.47 ct - International Gemological Institute (IGI) - Color game

No Reserve Price Spinel  - 0.72 ct - International Gemological Institute (IGI) - Purple

No Reserve Price Spinel  - 0.77 ct - International Gemological Institute (IGI) - soft purple rose

No Reserve Price Green Emerald  - 1.03 ct - International Gemological Institute (IGI)

No Reserve Price Sapphire  - 0.63 ct - International Gemological Institute (IGI) - deep greenish blue

No Reserve Price Orange Spinel  - 0.99 ct - International Gemological Institute (IGI)

No Reserve Price Green Fluorite  - 30.49 ct - International Gemological Institute (IGI)

No Reserve Price Spinel  - 0.68 ct - International Gemological Institute (IGI) - purple brown

No Reserve Price Aquamarine  - 10.33 ct - International Gemological Institute (IGI) - Greenish blue

No Reserve Price Spinel  - 0.76 ct - Istituto Gemmologico Italiano (IGI) - purple gray

No Reserve Price Green, Yellow Tourmaline  - 2.04 ct - International Gemological Institute (IGI) - Verdelita

Myanmar/Burma - No evidence of treatment

No Reserve Price Pink, Red Ruby  - 0.92 ct - International Gemological Institute (IGI)

No Reserve Price Spinel  - 0.73 ct - International Gemological Institute (IGI) - greenish chalk

No Reserve Price Green Fluorite  - 31.49 ct - International Gemological Institute (IGI)

No Reserve Price Tourmaline  - 2.80 ct - International Gemological Institute (IGI) - Brown orange

No Reserve Price Aquamarine  - 9.98 ct - International Gemological Institute (IGI) - Greenish blue

No Reserve Price Garnet  - 5.33 ct - International Gemological Institute (IGI) - Deep red, almandine

No Reserve Price Green Emerald  - 0.55 ct - International Gemological Institute (IGI)

No Reserve Price Spinel  - 0.73 ct - International Gemological Institute (IGI) - Soft gray violet

No Reserve Price Aquamarine  - 7.82 ct - International Gemological Institute (IGI) - Greenish blue

No Reserve Price Orange Spinel  - 0.62 ct - International Gemological Institute (IGI)

No Reserve Price Green Tourmaline  - 1.32 ct - International Gemological Institute (IGI) - Verdelita

No Reserve Price Grey Spinel  - 0.74 ct - International Gemological Institute (IGI)

No Reserve Price Green, Yellow Tourmaline  - 2.15 ct - International Gemological Institute (IGI) - Verdelita

No Reserve Price Pink Spinel  - 0.70 ct - International Gemological Institute (IGI)

No Reserve Price Blue, Yellow Sapphire  - 0.39 ct - International Gemological Institute (IGI) - Bicolor

No Reserve Price Tourmaline  - 2.83 ct - International Gemological Institute (IGI)

No Reserve Price Green Emerald  - 0.24 ct - International Gemological Institute (IGI)

No Reserve Price Garnet  - 4.43 ct - International Gemological Institute (IGI) - Deep red, almandine

No Reserve Price Spinel  - 0.77 ct - International Gemological Institute (IGI) - Greenish gray

Oval - IGI

greenish blue Aquamarine - 125.50 ct

No Reserve Price Blue, Violet Tanzanite  - 21.57 ct - International Gemological Institute (IGI)

No Reserve Price Aquamarine  - 23.35 ct - International Gemological Institute (IGI) - Greenish blue

No Reserve Price Opal  - 14.44 ct - International Gemological Institute (IGI) - Color game

No Reserve Price Tourmaline  - 6.46 ct - International Gemological Institute (IGI) - Rubellite, purple pink pr

No Reserve Price Opal  - 13.67 ct - International Gemological Institute (IGI) - Color game

No Reserve Price Opal  - 25.52 ct - International Gemological Institute (IGI) - Color game

No Reserve Price Blue, Violet Tanzanite  - 10.42 ct - International Gemological Institute (IGI)

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Objetos ofrecidos por Javier neira