Io Si Jewelry & Watches
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iO Si Italy Diamond Bauble Pendant Necklace in 18k Rose Gold
By io Si
Located in La Jolla, CA
iO Si Italy Diamond Bauble Pendant Necklace in 18k Rose Gold
Diamond Bauble Pendant Necklace features White and Brown Natural Round Brilliant Diamonds set in ribbons and atop a dang...
Category
21st Century and Contemporary Unknown Io Si Jewelry & Watches
Materials
Diamond, 18k Gold, Rose Gold
iO Si Italy Citrine and Diamond Sculpture Ring in 18k Yellow Gold
By io Si
Located in La Jolla, CA
iO Si Italy Citrine and Diamond Sculpture Ring in 18k Yellow Gold
Unique Citrine and Diamond Ring features an 11.00 carat Faceted Citrine Briolette set in 18k Yellow Gold with Roun...
Category
20th Century Unknown Io Si Jewelry & Watches
Materials
Citrine, Diamond, 18k Gold, Yellow Gold
Cultured Pearl with Diamond Earrings by IO Si
By io Si
Located in Dallas, TX
Cultured button pearls with white, chocolate and black diamond "blades" from the "Eolo Collection" by IO Si. Originally purchased from Neiman Marcus.
Category
21st Century and Contemporary Io Si Jewelry & Watches
Materials
Diamond, Black Diamond, Brown Diamond, Pearl, Cultured Pearl, 18k Gold, ...
Io Si By Stefan Hafner 18K Rose Gold Diamond Pink Sapphire Pearl Cocktail Ring
By io Si
Located in Winter Springs, FL
A ring with quite the presence, this piece by IoSi/Stefan Hafner is crafted in 18K rose gold, and centered by a 10.85mm pearl surrounded by approximately .90ctw in round cut G-H colo...
Category
21st Century and Contemporary Contemporary Io Si Jewelry & Watches
Materials
Diamond, Cultured Pearl, Pink Sapphire, 18k Gold, Rose Gold
iO Si Italy Pink and Yellow Sapphire Bauble Earrings in 18k Gold
By io Si
Located in La Jolla, CA
iO Si Italy Pink and Yellow Sapphire Bauble Earrings in 18k Rose Gold
iO Si Dangle Bauble Earrings features Pink and Yellow Natural Sapphires set in ribbons and atop a dangling mova...
Category
21st Century and Contemporary Unknown Io Si Jewelry & Watches
Materials
Pink Sapphire, Yellow Sapphire, 18k Gold, Rose Gold
Io Si 18k White Gold 0.02 Carat Diamond and Blue Gemstone Earrings
By io Si
Located in Southampton, PA
Butterfly motifs can be found throughout these simple, stylish Io Si earrings. The 18K white gold setting provides the perfect backdrop for sparkling blue gemstones and diamonds with...
Category
21st Century and Contemporary Io Si Jewelry & Watches
Materials
Diamond, White Gold, 18k Gold
IO SI 18K Yellow Gold 0.84ctw Diamond & Critrine Ring
By io Si
Located in North Miami Beach, FL
IO SI by Stefan Hafner
18K Yellow Gold
Diamond: 0.84ctw
Citrine: 1.00ctw
Size: 6.75
Retail price: $11,400.00
SKU: BLU01900
Category
21st Century and Contemporary Italian Modern Io Si Jewelry & Watches
Materials
Citrine, Diamond, 18k Gold, Yellow Gold
IO SI 18K Yellow Gold 0.32ctw Diamond & Critrine Ring
By io Si
Located in North Miami Beach, FL
IO SI by Stefan Hafner
IO SI by Stefan Hafner
18K Yellow Gold
Diamond: 0.32ctw
Citrine: 1.90ctw
Size: 5.75
Retail price: $9,160.00
SKU: BLU01961
Category
21st Century and Contemporary Italian Modern Io Si Jewelry & Watches
Materials
Citrine, Diamond, 18k Gold, Yellow Gold
IO SI 18K White Gold 0.74ctw Diamond Necklace
By io Si
Located in North Miami Beach, FL
IO SI by Stefan Hafner Necklace
18K White Gold
Diamond: 1.72ctw
Retail price: $10,835.00
SKU: BLU01951
Category
21st Century and Contemporary Italian Modern Io Si Jewelry & Watches
Materials
Diamond, 18k Gold, White Gold
IO SI 18k White Gold 0.62ctw Diamond Necklace
By io Si
Located in North Miami Beach, FL
IO SI 18K White Gold Necklace
Diamond: 0.62ctw
Model number: 90188PE600
SKU: BLU01952
Retail price: $9,500.00
Category
21st Century and Contemporary Italian Modern Io Si Jewelry & Watches
Materials
Diamond, 18k Gold, White Gold
IO SI 18K White Gold 2.31ctw Diamond Pin
By io Si
Located in North Miami Beach, FL
io Si by Stefan Hafner Pin
18K White Gold
Diamond: 2.31ctw
Italian made
Retail price: $14,225.00
SKU: BLU01962
Category
21st Century and Contemporary Italian Modern Io Si Jewelry & Watches
Materials
Diamond, 18k Gold, White Gold
IO SI 18k White Gold 0.38ctw Diamond & Sapphire Necklace
By io Si
Located in North Miami Beach, FL
IO SI 18K White Gold Necklace
Diamond: 0.38ctw
Sapphire: 5.00ctw
SKU: BLU01981
Retail price: $14,450.00
Category
21st Century and Contemporary Italian Modern Io Si Jewelry & Watches
Materials
Diamond, Sapphire, 18k Gold, White Gold
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Chopard Happy Bubbles Diamond Pendant & Necklace in 18k Rose Gold
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Located in MIAMI, FL
Beautiful necklace crafted by famed designer Chopard. This elegant necklace is crafted in 18k rose gold and measures 18". The necklace is in excellent...
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21st Century and Contemporary Swiss Modern Io Si Jewelry & Watches
Materials
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Cultured Pearl Pierced Stud Earrings with 18 Karat Yellow Gold Detailing
Located in Scottsdale, AZ
Timeless and elegant, these cultured pearl stud earrings are a refined addition to any jewelry collection. Featuring lustrous white pearls with a beautiful pinkish overtone, they exu...
Category
21st Century and Contemporary Unknown Contemporary Io Si Jewelry & Watches
Materials
Cultured Pearl, Gold, 18k Gold, Yellow Gold
$1,025 / set
W 0.34 in L 0.48 in
Vermeil Nugget and Cultured Baroque Pearl Earrings
By Bijoux Num
Located in Los Angeles, CA
Beautiful pair of cultured "Keishi" baroque pearl earrings. These earrings features a pair of lustrous baroque pearls (14mm), handset in 18k gold vermeil sterling silver (matte finish). The earrings measured 15/16" height and 5/8" across. Straight post with large friction earrings back. The posts are set at the center of the silver nugget...
Category
2010s American Contemporary Io Si Jewelry & Watches
Materials
Pearl, Cultured Pearl, 18k Gold, Sterling Silver, Vermeil
Stefan Hafner 18k Yellow Gold Diamond & Sapphire Ring
By Stefan Hafner
Located in North Miami Beach, FL
Diamond: 0.31ctw
Sapphire: 1.84ctw
Ring Size: 7
SKU: BLU01240
Model number: 18555RGZ4AM
Retail price: $9,100.00
Category
21st Century and Contemporary Italian Modern Io Si Jewelry & Watches
Materials
Diamond, Sapphire, 18k Gold, Yellow Gold
Citrine and Diamond Ring in 18K Yellow Gold, circa 1960s
Located in Beverly Hills, CA
This exceptional 1960s ring showcases a sleek, high-polish 18K yellow gold setting that perfectly frames an 18-carat, emerald-cut citrine with vibrant orangey hues. The citrine is su...
Category
20th Century Io Si Jewelry & Watches
Materials
Citrine, Diamond, Yellow Gold, Gold, 18k Gold
Pink and Yellow Sapphire Flower Diamond Ring in 18K Rose Gold
Located in NEW YORK, NY
A fashionable piece of jewelry a cocktail flower ring showcasing 0.83 carats of 4 pink sapphires and 0.45 carats of 6 yellow sapphires. 16 accent diamonds weigh 0.21 carats in total...
Category
21st Century and Contemporary American Contemporary Io Si Jewelry & Watches
Materials
Diamond, Pink Sapphire, Yellow Sapphire, 18k Gold, Rose Gold
18k Yellow Gold Ultra Wide Horizontal Citrine and Diamond Dome Ring
Located in Fairfield, CT
18k yellow gold ring. This gorgeous ultra wide ring is set with a center horizontal oval faceted, medium yellow orange color citrine, approximately 2.13 CT, and framed by a round fac...
Category
Late 20th Century Unknown Contemporary Io Si Jewelry & Watches
Materials
Citrine, Diamond, White Diamond, 18k Gold, Yellow Gold
14 Karat White Gold and Blue Sapphire Drop Earrings 0.02 Total Diamond Weight
Located in Manhasset, NY
14Kt White Gold Blue Sapphire Earrings 0.02 Total Diamond Weight.
1.47 grams total weight 19.50mm high.
16 mm long by 6.7 mm wide
Category
2010s Modern Io Si Jewelry & Watches
Materials
Diamond, Blue Sapphire, 14k Gold
Henry Dunay Baroque Cultured Pearl & Diamond Earrings
Located in Houston, TX
These vintage estate drop earrings from Henry Dunay feature Baroque cultured pearls accented by approximately 0.32 carat total weight in natural diamonds. They are set in 18 karat ye...
Category
Early 2000s American Io Si Jewelry & Watches
Materials
Diamond, Cultured Pearl, 18k Gold, Yellow Gold
Rose Pearl, Pink Sapphire, and White Diamond Earrings in 18K 2 Tone Gold
Located in Los Angeles, CA
Beautiful earrings featuring two round rose pearls and 0.58 ct. of pink sapphires and white diamonds. Handmade in 18k white and yellow gold. Push back setting for pierced ears.
Category
21st Century and Contemporary Io Si Jewelry & Watches
Materials
White Diamond, Pearl, Pink Sapphire, Gold
White Cultured Pearl Stud Earring with Diamond in 14 Karat White Gold
Located in Great Neck, NY
Cultured Pearl Studs are a classic and timeless look, However, if you add a diamond it can be even more special. These 6.5-7.0mm white cultured pearl studs...
Category
21st Century and Contemporary American Contemporary Io Si Jewelry & Watches
Materials
Diamond, Cultured Pearl, 14k Gold, White Gold
Previously Available Items
iO Si Italy Pink and Yellow Sapphire Bauble Ring in 18k Rose Gold
By io Si
Located in La Jolla, CA
iO Si Italy Pink and Yellow Sapphire Bauble Ring in 18k Rose Gold
Unique Bauble Ring by iO Si features Pink and Yellow Natural Sapphires set in ribbons and atop a dangling moveable ...
Category
21st Century and Contemporary Unknown Io Si Jewelry & Watches
Materials
Pink Sapphire, Yellow Sapphire, Rose Gold
IO SI 18K Yellow Gold Diamond & Critrine Ring
By io Si
Located in Aventura, FL
Discover the exquisite elegance of this 18kt yellow gold ring, expertly crafted by the renowned Italian Jewelry House of IO SI by Stefan Hafner. This stunning piece showcases a beaut...
Category
21st Century and Contemporary Italian Contemporary Io Si Jewelry & Watches
Materials
Citrine, Diamond, Gold, 18k Gold, Yellow Gold
IO SI 18K White & Yellow Gold 2.49ctw Diamond Necklace
By io Si
Located in North Miami Beach, FL
IO SI Necklace
18K White & Yellow Gold
Diamond: 2.49ctw
Retail price: $34,000.00
SKU: BLU01828
Italian made
Category
21st Century and Contemporary Italian Modern Io Si Jewelry & Watches
Materials
Diamond, 18k Gold, Yellow Gold
Io Si 18Karat White Gold 0.45Carat Diamond Butterfly Charm Ring
By io Si
Located in Southampton, PA
Taking inspiration from nature, this white gold polished ring with a diamond-encrusted butterfly charm is a versatile and flattering piece of jewelry that can complement any outfit. ...
Category
21st Century and Contemporary Io Si Jewelry & Watches
Materials
Diamond, White Gold, 18k Gold
Io Si 18k White Gold 0.31 Carat Black and White Diamond and Pearl Spiral Ring
By io Si
Located in Southampton, PA
A bold yet refined ring that is truly one-of-a-kind. This Io Si creation features a spiraling white gold band with three glittering waves of diamonds encircling each of the three whi...
Category
21st Century and Contemporary Io Si Jewelry & Watches
Materials
White Diamond, Pearl, White Gold
Io Si 18k Yellow and White Gold 1.09 Carat Diamond and Sapphire Star Ring
By io Si
Located in Southampton, PA
Your style will surely shine bright when you have this glittering ring on your finger. This sparkling creation from the Italian jewelry brand Io Si features a stylized split shank wi...
Category
21st Century and Contemporary Io Si Jewelry & Watches
Materials
Diamond, Sapphire, White Gold, Yellow Gold, 18k Gold
Io Si 18Karat Rose Gold 0.19Carat Diamond and Sapphire Earrings
By io Si
Located in Southampton, PA
These Io Si earrings have an undeniable charm. Crafted from opulent 18K rose gold, each one measures 2.0” long, 0.75” wide, and includes dynamic cut-out floral motifs. Diamonds with ...
Category
21st Century and Contemporary Io Si Jewelry & Watches
Materials
Diamond, Sapphire, Rose Gold, 18k Gold
Io Si 18k White Gold 0.70 Carat Diamond and Pearl Concave Earrings
By io Si
Located in Southampton, PA
Truly a product of imagination, this pair of diamond and pearl earrings from Italian jewelry brand Io Si impresses with its avant-garde styling. The earrings are concave C-hoops wher...
Category
21st Century and Contemporary Io Si Jewelry & Watches
Materials
Diamond, Pearl, White Gold
Io Si 18k Rose and White Gold 0.20 Carat Diamond Necklace
By io Si
Located in Southampton, PA
This unique, charming Io Si necklace offers a fresh take on a classic bolo-style necklace. Delicate chains made from 18K rose gold and 18K white gold measure 20” long and dangle 8” b...
Category
21st Century and Contemporary Io Si Jewelry & Watches
Materials
Diamond, White Gold
Io Si 18k Rose Gold 0.78ct Diamond Sapphire and Pearl Calla Lily Dangle Earrings
By io Si
Located in Southampton, PA
Beauty and elegance characterize this pair of danglers from Io Si. Fashioned in 18K rose gold, the earrings feature a graceful tubular-shaped drop similar to a calla lily flower's "s...
Category
21st Century and Contemporary Io Si Jewelry & Watches
Materials
Diamond, Sapphire, Pearl, Rose Gold
IO SI 18k Rose Gold Diamond Necklace
By io Si
Located in North Miami Beach, FL
IO SI 18K Rose Gold and White Gold Diamond Necklace
Diamond: 1.43ctw
Category
21st Century and Contemporary Italian Modern Io Si Jewelry & Watches
Materials
Diamond, 18k Gold, Rose Gold
Io Si 18k White Gold 0.60 Ct Diamond and Amethyst Earrings
By io Si
Located in Southampton, PA
These pretty IoSi 18K White Gold 0.60 ct Diamond and Amethyst Earrings are made with 18K White Gold and feature a halo of round diamonds totaling 0.60 carats around a brilliant pear ...
Category
21st Century and Contemporary Io Si Jewelry & Watches
Materials
Diamond, Amethyst, White Gold
Io Si jewelry & watches for sale on 1stDibs.
Find a range of io Si jewelry & watches available on 1stDibs. Each of these unique items was designed with extraordinary care, often using gold. While looking for the most stylish antique or vintage io Si jewelry to pair with your ensemble, you’ll find that io Si diamond jewelry & watches, from our inventory of 35, can add a particularly distinctive touch to your look. We have 35 pieces in this collection as well as a number of other designs by this jeweler. While this collection reflects work that originated over various time periods, most of these items were designed during the 21st century and contemporary. If you’re looking for additional options, many customers also consider jewelry & watches by Chimento, UnoAErre, and Antonini. Prices for io Si jewelry & watches can differ depending upon gemstone, time period and other attributes. On 1stDibs, the price for these items starts at $480 and tops out at $16,185, while pieces like these, on average, can sell for $4,250.