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Kohn Rings

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Creator: Kohn
Art Nouveau Sugarloaf No Heat Ceylon Sapphire Kohn & Co Ring 18K Yellow Gold
Art Nouveau Sugarloaf No Heat Ceylon Sapphire Kohn & Co Ring 18K Yellow Gold

Art Nouveau Sugarloaf No Heat Ceylon Sapphire Kohn & Co Ring 18K Yellow Gold

By Kohn

Located in Boston, MA

An Art Nouveau period Sugarloaf Sapphire solitaire, set in an 18k yellow gold mounting. The deep blue sapphire is the focal point, accentuated by the intricate woven gold design. Cra...

Category

Early 1900s Art Nouveau Antique Kohn Rings

Materials

Sapphire, 18k Gold, Yellow Gold

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This fancy and unusual yellow sapphire and diamond engagement ring is very well and solidly crafted in solid 18k yellow gold. It features a natural, AGL certified, emerald cut yellow...

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1990s Kohn Rings

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Platinum & 18K Yellow Gold Oval 7.12 Carat No Heat Sapphire and Diamond Ring
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This stunning Princess Diana-style ring features a rare 7.12 Carat Oval shape GIA certified Burmese Un-Heated Blue Sapphire surrounded by twelve (12) brilliant round diamonds in a t...

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21st Century and Contemporary American Kohn Rings

Materials

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18k White Gold No Heat GIA Certified Purple Sapphire Ring with Diamonds
18k White Gold No Heat GIA Certified Purple Sapphire Ring with Diamonds

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Located in Carrollton, TX

This stunning purple sapphire is set in a handmade 19k white gold diamond setting. The sapphire is GIA certified and unheated. The beautiful color-tone against the bright, vibrant ...

Category

2010s American Kohn Rings

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Art Nouveau 18k Gold Ring with Diamonds & Sapphire
Art Nouveau 18k Gold Ring with Diamonds & Sapphire

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Located in Aventura, FL

Experience the enchanting beauty of this Art Nouveau ring, meticulously crafted in 18k yellow gold. This exquisite piece features a natural oval light blue sapphire weighing approxim...

Category

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Materials

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Alexander Beverly Hills GIA 14.53ct No Heat Ceylon Sapphire & Diamonds Ring 18k
Alexander Beverly Hills GIA 14.53ct No Heat Ceylon Sapphire & Diamonds Ring 18k

Alexander Beverly Hills GIA 14.53ct No Heat Ceylon Sapphire & Diamonds Ring 18k

By Alexander Beverly Hills

Located in BEVERLY HILLS, CA

Stunning unheated lavender Ceylon sapphire with double diamond halo and diamond necklace, GIA certified. By Alexander Beverly Hills.  15.86carats total gemstone weight. 14.53 carat o...

Category

21st Century and Contemporary American Contemporary Kohn Rings

Materials

White Diamond, Sapphire, Diamond, Blue Sapphire, Gold, 18k Gold, White Gold

7.77 Carat Royal Blue Sapphire Ceylon No Heat Cushion Cut and Diamond 18K Ring
7.77 Carat Royal Blue Sapphire Ceylon No Heat Cushion Cut and Diamond 18K Ring

7.77 Carat Royal Blue Sapphire Ceylon No Heat Cushion Cut and Diamond 18K Ring

Located in Miami, FL

This natural 7.77 carat unheated Ceylon blue sapphire ring is a striking statement of elegance and rarity. It is both AGL Certified and SSEF certified as originating from Ceylon (Sri...

Category

21st Century and Contemporary Modern Kohn Rings

Materials

Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, White Gold

Modern 1.23 carat no heat sapphire diamond 18k white gold ring
Modern 1.23 carat no heat sapphire diamond 18k white gold ring

Modern 1.23 carat no heat sapphire diamond 18k white gold ring

Located in Beverly Hills, CA

This elegant modern ring showcases a vivid 1.23 carat cushion cut sapphire flanked by two sparkling old European cut diamonds in luminous 18k white gold.

Category

1920s Modern Vintage Kohn Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, White Gold

Cartier AGL 5.62 carat Ceylon No Heat sapphire diamond 18k gold ring
Cartier AGL 5.62 carat Ceylon No Heat sapphire diamond 18k gold ring

Cartier AGL 5.62 carat Ceylon No Heat sapphire diamond 18k gold ring

By Cartier

Located in Beverly Hills, CA

A remarkable statement of refinement and rarity, this vintage Cartier masterpiece centers on a breathtaking 5.62 carat cushion cut sapphire of Ceylon origin, certified by AGL as unhe...

Category

1990s Contemporary Kohn Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Yellow Gold, Platinum

8.11 ct. Ceylon No-Heat Alexandrite & Diamond 18K White Gold Ring
8.11 ct. Ceylon No-Heat Alexandrite & Diamond 18K White Gold Ring

8.11 ct. Ceylon No-Heat Alexandrite & Diamond 18K White Gold Ring

By Spectra Fine Jewelry

Located in New York, NY

Carat Weight: Alexandrite 8.11 cts. & 4.48 cts. diamonds Color/Clarity: Ceylon No Heat; F-G, VS Certifications: Gubelin Size: 6 Creator: Spectra Fine Jewelry Metal: 18K White gold We...

Category

21st Century and Contemporary American Kohn Rings

Materials

Alexandrite, Diamond, Gold, 18k Gold, White Gold

Victorian 18k/Sterling Silver GIA No Heat Ceylon Sapphire & Diamond Ring
Victorian 18k/Sterling Silver GIA No Heat Ceylon Sapphire & Diamond Ring

Victorian 18k/Sterling Silver GIA No Heat Ceylon Sapphire & Diamond Ring

Located in Narberth, PA

A striking sapphire and diamond three-stone ring from the Victorian (ca1880) era! Crafted in 18k yellow gold and sterling silver, this incredible ring features a beautiful blue sapph...

Category

1880s Victorian Antique Kohn Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Yellow Gold, Sterling Silver

GIA 3.03 carat no heat sapphire diamond 18k yellow gold ring
GIA 3.03 carat no heat sapphire diamond 18k yellow gold ring

GIA 3.03 carat no heat sapphire diamond 18k yellow gold ring

Located in Beverly Hills, CA

This striking modern ring is a captivating celebration of natural beauty and contemporary design, centered around a rare GIA-certified sapphire with no heat treatment. The oval cut s...

Category

20th Century Modern Kohn Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Yellow Gold

Previously Available Items
Art Deco 1.21 Carat GIA Old European Cut Diamond Engagement Ring
Art Deco 1.21 Carat GIA Old European Cut Diamond Engagement Ring

Art Deco 1.21 Carat GIA Old European Cut Diamond Engagement Ring

By Kohn

Located in Los Angeles, CA

Early Art Deco era 1.21 Carat Old European Cut Diamond Engagement Ring composed of platinum. The 1.21 carat Old European Cut diamond is GIA certified J color & SI1 clarity. Set with ...

Category

1920s American Art Deco Vintage Kohn Rings

Materials

Diamond, Platinum

Kohn rings for sale on 1stDibs.

Find a range of Kohn rings available on 1stDibs. Each of these unique items was designed with extraordinary care, often using platinum. While looking for the most stylish antique or vintage Kohn jewelry to pair with your ensemble, you’ll find that Kohn diamond rings, from our inventory of 1, can add a particularly distinctive touch to your look. We have 1 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 1920s. If you’re looking for additional options, many customers also consider rings by Black, Starr & Frost, Belais, and Gold Adore. Prices for Kohn rings can differ depending upon gemstone, time period and other attributes. On 1stDibs, the price for these items starts at $9,500 and tops out at $9,500, while pieces like these, on average, can sell for $9,500.

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