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
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
6.03 Carat Radiant-Cut Citrine Loose Gemstone
Located in Beaverton, OR
This loose citrine gemstone features a carefully finished radiant cut, selected for its balanced proportions and natural color presence. Weighing 6.03 carats and measuring 14.22 x 9....
Category
21st Century and Contemporary Modern Loose Gemstones
Materials
Citrine
16.2 Carat Pear-Shape Faceted Citrine Loose Gemstone
Located in Beaverton, OR
This loose citrine gemstone features a well-proportioned faceted cut in a pear shape, selected for its balanced outline and natural color presence. Weighing 16.2 carats and measuring...
Category
21st Century and Contemporary Modern Loose Gemstones
Materials
Citrine
Relic Wave Ring with 1.77ct Pear-Shaped Madeira Citrine Ring
By IO Collective
Located in Beaverton, OR
This ring features a 1.77 carat Madeira Citrine gemstone cut in a pear shape and set as a finished one-of-a-kind piece. The gemstone measures 9.0 x 6.15 x 5.09 mm and displays the wa...
Category
21st Century and Contemporary Indonesian Modern Band Rings
Materials
Citrine, Sterling Silver
2.76 Carat Brazilian Madeira Citrine Oval Faceted Loose Gemstone
Located in Beaverton, OR
This Madeira Citrine is a loose, individually selected gemstone featuring a well-proportioned faceted oval cut. Weighing 2.76 carats and measuring 10.85 × 8.03 × 5.95 mm, the stone o...
Category
21st Century and Contemporary Brazilian Modern Loose Gemstones
Materials
Citrine
10.55 Carat Madeira Citrine Oval Faceted Loose Gemstone
Located in Beaverton, OR
This Madeira Citrine is a loose, individually selected gemstone featuring a well-proportioned faceted oval cut. Weighing 10.55 carats and measuring 17.43 × 12.44 × 9.12 mm, the stone...
Category
21st Century and Contemporary Brazilian Modern Loose Gemstones
Materials
Citrine
9.07 Carat Golden Citrine Concave-Cut Oval Loose Gemstone
Located in Beaverton, OR
This loose citrine gemstone features a concave cut in an oval shape, selected for its depth and distinctive light reflection. Weighing 9.07 carats and measuring 15.78 × 11.77 × 8.75 ...
Category
21st Century and Contemporary Congolese Modern Loose Gemstones
Materials
Citrine



