Skip to main content

Io Si Rings

to
4
4
3
1
4
3
1
1
1
5.75
6
6.5
6.75
1
3
3
1
2
1
1
to
12
2,509
1,757
1,684
1,622
2
1
4
4
Creator: io Si
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 Rings

Materials

Diamond, Cultured Pearl, Pink Sapphire, 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 Rings

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 Rings

Materials

Citrine, Diamond, 18k Gold, Yellow 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 Rings

Materials

Citrine, Diamond, 18k Gold, Yellow Gold

Related Items
Luca Carati Diamond Pink Sapphire Cocktail Ring 18K Gold Size 7
By Luca Carati
Located in New York, NY
Luca Carati 18K Rose & White Gold Diamond Cocktail Ring. The ring is set with 0.3cttw of brilliant cut diamonds and 0.44cttw of natural Pink Sapphires. Diamond color G and VVS clarit...
Category

2010s Italian Modern Io Si Rings

Materials

Diamond, Pink Sapphire, 18k Gold

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 Rings

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

18k Yellow Gold with Blue Topaz and Citrine Ring
Located in GALLARATE, IT
Combination of shapes and colors made a unique fashion and modern ring in 18k rose gold with colored stones. Made in Italy by Stanoppi Jewellery since 1948. Ring in 18k yellow gold ...
Category

21st Century and Contemporary Italian Modern Io Si Rings

Materials

Citrine, Topaz, Blue Topaz, Gold, 18k Gold, Yellow Gold

Diamond Yellow Gold 18K Ring
Located in Geneva, CH
The Diamond Yellow Gold 18K Ring is an exquisite piece of jewelry set with a total of 1.05 carats of dazzling diamonds. The 18-karat yellow gold band enhances the elegance of the ri...
Category

21st Century and Contemporary Io Si Rings

Materials

Diamond, 18k Gold, Yellow Gold

18k Yellow Gold and Diamond Ring
Located in Geneva, CH
18K yellow gold ring set by round-cut diamonds. Gross weight: 5.80 grams.
Category

Late 20th Century European Io Si Rings

Materials

Diamond, 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 Rings

Materials

Citrine, Diamond, Yellow Gold, Gold, 18k Gold

Sapphire Diamond Yellow Gold 18k Ring
Located in Geneva, CH
Sapphire Diamond Yellow Gold 18K Ring. Sapphire cabochon (not tested): 8 x 7 x 5.80 mm. Diamond: Approximately 1.20 / 1.70 carat. Total weight: 16.37 grams. Size: 54 / 6.75 US.
Category

1980s European Vintage Io Si Rings

Materials

Diamond, Sapphire, 18k Gold, Yellow 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 Rings

Materials

Citrine, Diamond, White Diamond, 18k Gold, Yellow 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 Rings

Materials

Diamond, Pink Sapphire, Yellow Sapphire, 18k Gold, Rose Gold

Nouvelle Bague 18K Rose Gold Diamond, Pink Opal and Pink Sapphires Ring
By Nouvelle Bague
Located in North Miami Beach, FL
Nouvelle Bague 18K Rose Gold Diamond, Pink opal and Pink Sapphires Ring Diamonds 0.25ctw Sapphires 1.35ctw Size 6.5 Retail $9.300
Category

2010s Italian Modern Io Si Rings

Materials

Diamond, Opal, Pink Sapphire, Rose Gold

Estate Blue Sapphire Diamond Ring 18k Yellow Gold 2.78ctw
Located in Orlando, FL
A striking design showcasing richly hued sapphires alongside fine white diamonds, crafted in solid 18k yellow gold. Sapphires – approx. 2.00 carats total, square cut, richly colored...
Category

21st Century and Contemporary Io Si Rings

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

David Webb Platinum 18K Yellow Gold Oval Citrine and Diamond Ring
By David Webb
Located in New York, NY
David Webb Platinum & 18K Yellow Gold Oval Orange Citrine And Diamond Ring. Set with an oval-shaped citrine weighing approximately 17.95cts and accented by round diamonds weighing approximately 0.15ct, mounted in 18k gold and platinum, size 5 1/2, signed David Webb. As with every David Webb ring the sizing horse shoe bar...
Category

20th Century American Modern Io Si Rings

Materials

Citrine, Diamond, 18k Gold, Yellow Gold, Platinum

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 Rings

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 Rings

Materials

Citrine, Diamond, Gold, 18k Gold, Yellow 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 Rings

Materials

Diamond, Sapphire, White Gold, Yellow 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 Rings

Materials

White Diamond, Pearl, White 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 Rings

Materials

Diamond, White Gold, 18k Gold

Io Si rings for sale on 1stDibs.

Find a range of io Si rings 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 rings, from our inventory of 12, can add a particularly distinctive touch to your look. We have 12 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 rings by Adolfo Courrier, Chimento, and K-OVER. Prices for io Si rings can differ depending upon gemstone, time period and other attributes. On 1stDibs, the price for these items starts at $1,440 and tops out at $6,200, while pieces like these, on average, can sell for $4,510.

Still Thinking About These?

All Recently Viewed