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Kohn Engagement 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 Engagement Rings

Materials

Sapphire, 18k Gold, Yellow Gold

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GIA Sapphire Diamond Certified 18K No Heat Ceylon Blue Fine Huge Ring 12.04 Cts!
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Located in Sylvania, GA

Old South Jewels proudly presents... VINTAGE LUXURY. GIA CERTIFIED 18K GOLD HUGE 12.04 CARAT UNHEATED SAPPHIRE DIAMOND ANTIQUE RING & BOX! HUGE 9.52 CARAT BRILLIANT ROYAL BLUE GIA CERTIFIED RARE NO HEAT NATURAL SAPPHIRE. This Gorgeous Sapphire Is Crowned With 2.52 Carats of Sparkling Clear VS White Diamonds in Luxurious 18K Solid Gold. Comes With GIA Paperwork. Certified No Heat, and Transparent. Includes GIA Prestigious Origin Report from Sri Lanka. Finest Sought After Royal Blue / Cornflower Color. Most Sought After Rich Velvety Royal Sapphire... What an Impressive Huge Engagement Ring This Would Make...STUNNING! Regal Ring Fit for a Princess... THE COLOR IS FINE RICH ROYAL BLUE Extremely Rare to Find This Brilliant Color Sapphire Untreated Natural Gem. The Huge Transparent BRILLIANT ROYAL BLUE SAPPHIRE TRANSPARENT AND GLOWS FROM WITHIN...This Sapphire is Very Rare. SIZE: Beautiful Ring 20 MM Long x 19 MM Wide (Over 3/4 inches long x 3/4 inches Wide). Won't be missed sparkling from across the room! Beautifully Kept in Gold-Embossed Vintage Leather Ring Box...

Category

19th Century Antique Kohn Engagement Rings

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Located in Montclair, NJ

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...

Category

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Materials

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By MOGULDIAM INC

Located in New York, NY

Exceptionally rare and vivid, this magnificent ring features 1.70 carats no heat accompanied with an authenticity certification from Lotus Gemology lab. The details are as follows :...

Category

2010s American Contemporary Kohn Engagement Rings

Materials

Diamond, Sapphire, Padparadscha Sapphire , 18k Gold

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 Engagement Rings

Materials

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Platinum & 18K Yellow Gold Oval 7.12 Carat No Heat Sapphire and Diamond Ring
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Located in San Francisco, CA

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...

Category

21st Century and Contemporary American Kohn Engagement Rings

Materials

Diamond, Sapphire, Yellow Gold, Platinum

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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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Oscar Heyman GIA Ceylon no heat sapphire diamond 18k gold cocktail ring
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Located in Beverly Hills, CA

This exceptional Oscar Heyman cocktail ring showcases four breathtaking pastel-colored modified shield step cut sapphires totaling approximately 15.50 carats, certified by GIA #22359...

Category

1960s Contemporary Vintage Kohn Engagement Rings

Materials

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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

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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 Engagement Rings

Materials

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

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 Engagement Rings

Materials

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

39.0 ct. Ceylon No-Heat Sapphire & Diamond Ring Signed Cartier
39.0 ct. Ceylon No-Heat Sapphire & Diamond Ring Signed Cartier

39.0 ct. Ceylon No-Heat Sapphire & Diamond Ring Signed Cartier

By Cartier

Located in New York, NY

Carat Weight: Sapphire 39.0 ct. & approx. 2.80 cts diamonds total Color/Clarity: Ceylon No Heat; E–F color, VVS–VS clarity Certifications: AGL Size: 6 Creator: Cartier Metal: Pla...

Category

1990s French Kohn Engagement Rings

Materials

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Located in Poitiers, FR

Ring in 18 karat yellow gold, eagle head hallmark and platinum, dog head hallmark. This sapphire ring is set on its top with a purple sapphire with 6 claws and 2 modern brilliant- cu...

Category

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Materials

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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 Engagement Rings

Materials

Diamond, Platinum

Kohn engagement rings for sale on 1stDibs.

Find a range of Kohn engagement rings available on 1stDibs. Each of these unique items was designed with extraordinary care, often using yellow gold. While looking for the most stylish antique or vintage Kohn jewelry to pair with your ensemble, you’ll find that Kohn sapphire engagement 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 early 1900s. If you’re looking for additional options, many customers also consider engagement rings by and Malpani Jewels. Prices for Kohn engagement rings can differ depending upon gemstone, time period and other attributes. On 1stDibs, the price for these items starts at $7,495 and tops out at $7,495, while pieces like these, on average, can sell for $7,495.