About IO Collective
IO is a Bali-based fine jewelry atelier creating bespoke heirlooms and carefully sourced gemstones. Working with rare stones and fine metals, IO produces slow-made pieces defined by craftsmanship, proportion, and enduring design. Select gemstones are cut or refined in-house, with each stone individually chosen for its natural character and thoughtful cut. IO offers loose gemstones, bespoke jewelry, and one-of-a-kind commissions for private clients and collectors worldwide.
Established in 20151stDibs seller since 2018
Featured Pieces
18.91 Carat Pear Cabochon Emerald Loose Gemstone (Zambia)
Located in Beaverton, OR
This emerald gemstone weighs 18.91 carats and is shaped in a pear cabochon cut, measuring 23.51 x 13.46 x 8.91 mm. The cabochon finish presents a smooth, polished dome that highlight...
Category
21st Century and Contemporary Zambian Modern Loose Gemstones
Materials
Emerald
0.75 Carat Step Cut Elongated Emerald Loose Gemstone (Zambia)
Located in Beaverton, OR
This emerald gemstone weighs 0.75 carats and features an elongated step cut, measuring 11.78 x 3.15 x 2.36 mm. The narrow proportions and linear faceting create a refined, architectu...
Category
21st Century and Contemporary Zambian Modern Loose Gemstones
Materials
Emerald
0.56 Carat Oval Faceted Pink Spinel Loose Gemstone (Sri Lanka)
Located in Beaverton, OR
This spinel gemstone weighs 0.56 carats and is cut in an oval shape, measuring 5.72 x 4.47 x 3.05 mm. The faceted cut allows for lively light return, enhancing the stone’s natural br...
Category
21st Century and Contemporary Sri Lankan Modern Loose Gemstones
Materials
Spinel
1.10 Carat Cushion Concave Cut Spinel Loose Gemstone
Located in Beaverton, OR
This spinel gemstone weighs 1.10 carats and is cut in a cushion shape with a concave faceting style, measuring 6.32 x 5.73 x 3.83 mm. Unlike traditional faceting, the concave cut fea...
Category
21st Century and Contemporary Modern Loose Gemstones
Materials
Spinel
1.07 Carat Asscher Cut Step Faceted Spinel Loose Gemstone (Sri Lanka)
Located in Beaverton, OR
This spinel gemstone weighs 1.07 carats and is cut in an Asscher (square step-cut) form, measuring 5.75 x 6.09 x 3.05 mm. The step-cut faceting creates a structured, architectural ap...
Category
21st Century and Contemporary Sri Lankan Modern Loose Gemstones
Materials
Spinel
1.47 Carat Oval Faceted Spinel Loose Gemstone
Located in Beaverton, OR
This spinel gemstone weighs 1.47 carats and is cut in an oval shape, measuring 7.65 x 6.31 x 4.06 mm. The oval form offers a balanced and versatile silhouette, commonly used across a...
Category
21st Century and Contemporary Modern Loose Gemstones
Materials
Spinel
Aquamarine Heart Ring in 18k Gold with Pavé Diamonds and Enamel
By IO Collective
Located in Beaverton, OR
A one-of-a-kind aquamarine heart ring set in 18k gold with pavé diamonds, designed around a natural heart-shaped aquamarine measuring approximately 10.00 × 9.55 mm.
The center stone...
Category
21st Century and Contemporary Indonesian Modern Fashion Rings
Materials
Aquamarine, Diamond, 18k Gold, Enamel
2.44 Carat Emerald Faceted Aquamarine Loose Gemstone
Located in Beaverton, OR
This aquamarine gemstone weighs 2.44 carats and is cut in an emerald shape, measuring 9.26 x 7.21 x 4.91 mm. The step-cut faceting creates a structured and architectural appearance, ...
Category
21st Century and Contemporary Modern Loose Gemstones
Materials
Aquamarine
2.77 Carat Pear Faceted Aquamarine Loose Gemstone
Located in Beaverton, OR
This aquamarine gemstone weighs 2.77 carats and is cut in a pear shape, measuring 11.42 x 8.07 x 6.48 mm. The pear silhouette combines a rounded body with a tapered point, offering b...
Category
21st Century and Contemporary Modern Loose Gemstones
Materials
Aquamarine
34.5 Carat Oval Cabochon Aquamarine Loose Gemstone
Located in Beaverton, OR
This aquamarine gemstone weighs 34.5 carats and is cut in an oval cabochon form, measuring 25.90 x 15.90 x 9.55 mm. Its substantial scale emphasizes both presence and volume.
Source...
Category
21st Century and Contemporary Modern Loose Gemstones
Materials
Aquamarine
18.15 Carat Oval Cabochon Aquamarine Loose Gemstone
Located in Beaverton, OR
This aquamarine gemstone weighs 18.15 carats and is cut in an oval cabochon, measuring 17.51 x 13.60 x 9.34 mm. The smooth, domed surface highlights the stone’s body color and intern...
Category
21st Century and Contemporary Modern Loose Gemstones
Materials
Aquamarine
1.28 Carat Marquise Faceted Aquamarine Loose Gemstone
Located in Beaverton, OR
This aquamarine gemstone weighs 1.28 carats and is cut in a marquise shape, measuring 11.09 x 6.00 x 4.40 mm. The elongated silhouette creates a refined and elegant profile, often us...
Category
21st Century and Contemporary Modern Loose Gemstones
Materials
Aquamarine
