Gemstones
Loose stones for setting and repair work. Cabochons and faceted stones in genuine, lab created, simulated and assembled material, alongside diamonds, moissanite and cultured freshwater pearls. Round, oval, marquise, pear, emerald, heart, cushion, square and trillion shapes in calibrated millimeter sizes from 1 mm up. Filter by stone, shape, size and color to match an existing mounting.
Filtri
Pear Faceted Imitation Citrine
Otto FreiDisplaying the rich golden yellow of citrine, these pear faceted imitation citrine stones are composed of lab-created synthetic yellow corundum. Wi...
Visualizza tutti i dettagliPear Faceted Imitation Pink Tourmaline
Otto FreiThis Pink Tourmaline simulant is crafted from lab-created synthetic pink corundum, offering a rich rose pink hue that closely replicates the appear...
Visualizza tutti i dettagliHeart Faceted Imitation Sapphire
Otto FreiMimicking the royal blue color of natural sapphire, this heart-shaped faceted stone is composed of lab-created blue spinel. Offered as a sapphire s...
Visualizza tutti i dettagliHeart Faceted Imitation Peridot
Otto FreiDisplaying the characteristic lime-green color of peridot, these heart-faceted imitation peridot stones are crafted as a lab-created yellow-green s...
Visualizza tutti i dettagliEmerald Cut Faceted Imitation Peridot
Otto FreiDisplaying the characteristic lime-green color of natural peridot, these emerald cut faceted imitation stones are crafted as a peridot simulant usi...
Visualizza tutti i dettagliSquare Faceted Imitation Emerald
Otto FreiDisplaying a rich emerald green, this Synthetic Spinel doublet is ideal as a May birthstone simulant. Each stone is composed of two layers of Synth...
Visualizza tutti i dettagliOval Red Coral Cabochon
Otto FreiCoral is an organic gem, composed of the external skeletons of coral polyps. Formed from calcium carbonate with no crystal structure, coral has bee...
Visualizza tutti i dettagliOval Genuine 14x10mm Nephrite Jade Cabochon
Otto FreiOval Genuine 14x10mm Nephrite Jade Cabochon is a natural gemstone cabochon suited for professional jewelers, metalsmiths, and designers seeking a c...
Visualizza tutti i dettagliOval Genuine 12x10mm Nephrite Jade Cabochon
Otto FreiOval Genuine 12x10mm Nephrite Jade Cabochon is a natural stone cabochon cut to a classic oval profile, ideal for setting in rings, pendants, brooch...
Visualizza tutti i dettagliOval Genuine 11x9mm Nephrite Jade Cabochon
Otto FreiOval Genuine 11x9mm Nephrite Jade Cabochon brings the rich, earthy character of authentic nephrite jade to your jewelry designs. Each cabochon feat...
Visualizza tutti i dettagliOval Genuine 10x8mm Nephrite Jade Cabochon
Otto FreiOval Genuine 10x8mm Nephrite Jade Cabochon is a natural stone cabochon ideal for setting into rings, pendants, brooches, and other fine jewelry pro...
Visualizza tutti i dettagliOval Genuine 9x7mm Nephrite Jade Cabochon
Otto FreiOval Genuine 9x7mm Nephrite Jade Cabochon is a classic cut stone for jewelers and metalsmiths seeking a natural, ready-to-set gem. Each cabochon fe...
Visualizza tutti i dettagliRound Genuine 8mm Nephrite Jade Cabochon
Otto FreiRound Genuine 8mm Nephrite Jade Cabochon offers jewelers and metalsmiths a classic, ready-to-set stone in one of the most enduring gem materials in...
Visualizza tutti i dettagliTodd Reed 3mm Round Diamond Cabochon
Otto FreiSold by the piece. We are delighted to carry Todd Reed patented Diamond Cabochons. Each cabochon is made in a die to create a beautifully polished ...
Visualizza tutti i dettagliTodd Reed 2.1mm Round Diamond Cabochon
Otto FreiTodd Reed patented Diamond Cabochons bring a distinctive, handcrafted character to fine jewelry design. Each cabochon is formed in a die to produce...
Visualizza tutti i dettagliTodd Reed 1.8mm Round Diamond Cabochon
Otto FreiTodd Reed patented Diamond Cabochons bring a distinctive, artisan-quality aesthetic to fine jewelry design. Each cabochon is formed in a die to pro...
Visualizza tutti i dettagliTodd Reed 1.6mm Round Diamond Cabochon
Otto FreiTodd Reed patented Diamond Cabochons bring a distinctive, handcrafted character to fine jewelry work. Each cabochon is formed in a die to produce a...
Visualizza tutti i dettagliTodd Reed 2.6mm Round Diamond Cabochon
Otto FreiTodd Reed Diamond Cabochons bring a distinctive, handcrafted character to fine jewelry design. Each cabochon measures 2.6mm round and is formed in ...
Visualizza tutti i dettagliCloseout Rock Deco 2ct Black Raw Diamonds
Otto FreiThese black raw diamonds from Rock Deco are natural, uncut stones sourced from Africa, offered in 2 ct tw packs. Each pack contains approximately t...
Visualizza tutti i dettagliCloseout Pack of 50 White Heart 8 x 8mm Cubic Zirconia
Otto FreiCloseout Pack of 50 White Heart 8 x 8mm Cubic Zirconia — a great opportunity to stock up on hand-cut CZs at exceptional value. Sourced from a large...
Visualizza tutti i dettagliOval Faceted Imitation Red Garnet
Otto FreiOval faceted garnet simulant stones made from lab-created corundum, cut to calibrated sizes for jewelry use. A deep, vivid red that reads clean and...
Visualizza tutti i dettagliPear Shape Moissanite - 12x8mm
Otto FreiPear Shape Moissanite at 12x8mm offers exceptional optical performance for fine jewelry applications. All moissanite in the jewelry industry is syn...
Visualizza tutti i dettagliPear Shape Moissanite - 10x7mm
Otto FreiThis pear shape moissanite delivers exceptional optical performance, making it one of the most compelling diamond simulants available to profession...
Visualizza tutti i dettagliPear Shape Moissanite - 9x6mm
Otto FreiMoissanite in the jewelry industry is entirely synthetic material. With one of the highest refractive indices and light dispersion ratings of any g...
Visualizza tutti i dettagliBrilliant Cushion Moissanite - 10x10mm
Otto FreiBrilliant Cushion Moissanite offers an exceptional combination of brilliance and fire, making it one of the most sought-after diamond simulants ava...
Visualizza tutti i dettagliBrilliant Cushion Moissanite - 9x9mm
Otto FreiThis 9x9mm Brilliant Cushion Moissanite delivers exceptional optical performance with one of the highest refractive indexes and light dispersion ra...
Visualizza tutti i dettagliBrilliant Cushion Moissanite - 8x8mm
Otto FreiThis Brilliant Cushion Moissanite measures 8x8mm and delivers exceptional optical performance for fine jewelry applications. All moissanite in the ...
Visualizza tutti i dettagliRound Moissanite - 10mm
Otto Frei5.0 / 5.0
1 Revisione
Round Moissanite in 10mm offers exceptional optical performance for fine jewelry applications. All moissanite used in the jewelry industry is synth...
Visualizza tutti i dettagliDiamond Melee 4mm SI
Otto FreiSold individually. This 4mm SI Full Cut Round Diamond Melee is a premium accent stone ideal for adding brilliance around a center stone or creating...
Visualizza tutti i dettagliDiamond Melee 3.5mm SI
Otto FreiA full cut round diamond melee sold individually, ideal for accent stone applications or standalone sparkle details. At 3.5mm, this stone offers a ...
Visualizza tutti i dettagliDiamond Melee 3mm SI
Otto FreiA full cut round diamond melee sold individually, ideal for adding brilliant accent stones to a centerpiece or creating standalone sparkle in pavé,...
Visualizza tutti i dettagliRound Created Diamond - 5.25mm
Otto FreiA full-cut round created diamond in a 5.25mm diameter, offering a brilliant alternative to mined stones. Created via the CVD (Chemical Vapor Deposi...
Visualizza tutti i dettagliRound Created Diamond - 5mm
Otto FreiThis 5mm full-cut created round diamond offers a brilliant alternative to mined diamonds, delivering comparable optical beauty with reduced environ...
Visualizza tutti i dettagliRound Created Diamond - 4.5mm
Otto FreiThis 4.5mm full cut round created diamond offers a brilliant, faceted stone with the look and quality of a natural diamond at a lower cost and with...
Visualizza tutti i dettagliRound Created Diamond - 4mm
Otto Frei4.0 / 5.0
1 Revisione
This 4mm full cut round diamond offers the brilliance and fire of a natural diamond at a lower cost and with reduced environmental impact. Produced...
Visualizza tutti i dettagliRock Deco 3.5mm Diamond Pearls-Orange (N)
Otto FreiLet these diamonds roll! Rock Deco's 3.5mm Diamond Pearls are beautifully round spheres with a high polish, offering a distinctive organic appeal f...
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