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3.5 Carat Rings

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Carat Weight: 3.5 Carat
GIA Certified 2.91 Carat Round Sapphire Diamond Swirl Halo Gold Engagement Ring
Located in Stamford, CT
Royal Blue Round Sapphire Diamond Swirl engagement ring. This rich blue GIA certified sapphire is set in a swirl design 18k white gold setting. ...
Category

21st Century and Contemporary 3.5 Carat Rings

Materials

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

GIA Certified 3.84 carats Natural Blue Sapphire Engagement Ring with Side Stones
Located in New York, NY
This beautiful and color-rich engagement ring features a 3.84 carats natural oval shaped blue sapphire center stone that GIA certified as Blue in color and does not indicate any heat...
Category

21st Century and Contemporary American Contemporary 3.5 Carat Rings

Materials

Blue Sapphire, Sapphire, Diamond, Platinum

Peter Suchy 2.42 Carat Alexandrite Diamond Gold Engagement Ring
Located in Stamford, CT
GIA certified Alexandrite and diamond three-stone engagement ring. Oval cabochon Alexandrite center stone with two round accent diamonds with a halo of round diamonds. Created in the...
Category

21st Century and Contemporary 3.5 Carat Rings

Materials

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

3.61 Carat GIA Cert Diamond Platinum Engagement Ring
Located in New York, NY
This stunning platinum ring from the Edwardian era, centers a sparkling GIA certified round brilliant cut diamond that weighs 3.61ct. The color of the diamond is J with SI1 clarity. ...
Category

Early 20th Century Edwardian 3.5 Carat Rings

Materials

Diamond, Platinum

Peter Suchy 1.98 Carat Old European Cut Diamond Halo Platinum Engagement Ring
Located in Stamford, CT
1.98ct cushion shaped Old European diamond halo engagement ring. Set in a platinum Legacy style setting, with round accent diamonds. Designed in the Peter Suchy Workshop. EGL certifi...
Category

21st Century and Contemporary American 3.5 Carat Rings

Materials

Diamond, Platinum

3.73 Carat Blue Sapphire Diamond Victorian Gold Platinum Cocktail Ring
Located in Stamford, CT
Victorian 1900 elongated marquise shape sapphire and diamond cocktail ring, Set with one oval sapphire and European cut diamonds. Nat...
Category

Early 20th Century 3.5 Carat Rings

Materials

Sapphire, Diamond, Gold, 14k Gold, Yellow Gold, Platinum

3.50 Carat Oval Opal Diamond Halo Gold Cocktail Ring
Located in Stamford, CT
Well-polished blue green Opal and diamond cocktail ring. 14k Yellow gold setting with a white gold crown. Opal is surrounded by a halo of round diamonds. 1 Oval fine blue green Opa...
Category

Late 20th Century 3.5 Carat Rings

Materials

Opal, Diamond, 14k Gold, Gold, Yellow Gold, White Gold

GIA Certified 3.00 Carat Natural Purple Star Ruby Diamond Gold Cocktail Ring
Located in Stamford, CT
1950's Ruby and diamond cocktail ring. GIA certified cabochon oval center natural, no heat ruby set in a open work 18k white gold setting with 44 round accent diamonds. 1 oval cabochon purplish red star Ruby...
Category

Mid-20th Century 3.5 Carat Rings

Materials

Star Ruby, Ruby, Diamond, 18k Gold, Gold, White Gold

Peter Suchy 3.03 Carat Natural Yellow Diamond Halo Platinum Engagement Ring
Located in Stamford, CT
Spectacular natural fancy golden yellow diamond engagement ring. Beautiful GIA certified 3.03ct radiant cut center diamond mounted in a platinum split shank setting with a 18k yellow...
Category

21st Century and Contemporary American 3.5 Carat Rings

Materials

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

Tacori 3.87 Carat Sapphire Diamond White Gold Engagement Ring
Located in New York, NY
Made of 18k white gold, this ring centers a vivid blue cushion cut Ceylon sapphire that weighs 3.87ct. The center stone is accentuated by sparkling round cut diamonds weighing approx...
Category

21st Century and Contemporary Contemporary 3.5 Carat Rings

Materials

Blue Sapphire, Diamond, 18k Gold, White Gold

3.37 Carat Natural Green Yellow Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Vintage 1950's sapphire and diamond engagement ring. AGL certified natural, no heat, elongated octagonal greenish yellow center sapphire set in platinum with three straight baguette, emerald cut...
Category

Mid-20th Century 3.5 Carat Rings

Materials

Diamond, Yellow Sapphire, Sapphire, Platinum

Peter Suchy 1.55 Carat Diamond Pink Sapphire Platinum Engagement Ring
Located in Stamford, CT
Cushion cut 1.55ct. center diamond in an Antique style platinum engagement ring setting with two half moon pink side sapphires and rou...
Category

21st Century and Contemporary 3.5 Carat Rings

Materials

Diamond, Pink Sapphire, Sapphire, Platinum

3.00 Carat Round Green Tourmaline Diamond Gold Ring
Located in Stamford, CT
Tourmaline and diamond ring. 3.00ct round center tourmaline, set in a 14k white gold raised top setting with 60 full cut accent diamonds. 1 genuine green Tourmaline, approx. total ...
Category

21st Century and Contemporary 3.5 Carat Rings

Materials

Diamond, Tourmaline, 14k Gold, White Gold, Gold

J. Birnbach 3.93 carat Blue Sapphire and Emerald Cut Diamond Three Stone Ring
Located in New York, NY
Regal and elegant, this exceptional sapphire would be an important piece in any jewelry collection. The 3.93 carat emerald cut sapphire is a rich, gorgeous cobalt blue. It is quite u...
Category

21st Century and Contemporary American 3.5 Carat Rings

Materials

Diamond, Blue Sapphire, Platinum

Stunning 3.72 Carat Emerald Diamond Gold Ring
Located in New York, NY
Made of 14k white gold, this ring is centered with a high quality pear shape emerald that weighs 3.72ct. The emerald is accentuated by 2 pear shape diamonds weighing approximately 0....
Category

20th Century 3.5 Carat Rings

Materials

Diamond, Emerald, 14k Gold, White Gold

Peter Suchy 3.64 Carat Diamond Princess Cut Platinum Eternity Wedding Band Ring
Located in Stamford, CT
18 diamond princess cut wedding band ring. Low to the finger custom made Platinum setting with 3.64 cts of diamonds. Created in the Peter Suchy Workshop. 18 Princess cut diamonds, ...
Category

21st Century and Contemporary 3.5 Carat Rings

Materials

Diamond, Platinum

Peter Suchy GIA 3.07 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Sapphire and diamond engagement ring. GIA certified purple cushion cut center sapphire, changes color from violet blue to purple in different lights. Set in a platinum three-stone setting with 2 Art Deco step cut...
Category

21st Century and Contemporary 3.5 Carat Rings

Materials

Diamond, Sapphire, Platinum

Peter Suchy 2.91 Carat Cornflower Blue Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Peter Suchy Cornflower blue oval Sapphire with a slight purple tone 2.91ct, AGL certified natural, no heat and no enhancements. The Sapphire is in a handmade solid Platinum 8 prong engagement ring...
Category

21st Century and Contemporary 3.5 Carat Rings

Materials

Blue Sapphire, Diamond, Sapphire, Platinum

EGL Certified 1.48 Carat Art Deco Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Art Deco diamond and sapphire engagement ring. EGL certified 1.48ct antique cushion French cut center diamond with a halo of blue Sapphires with French calibre...
Category

Early 20th Century 3.5 Carat Rings

Materials

Blue Sapphire, Sapphire, White Diamond, Diamond, Platinum

3.75 Carat Princess Cut Pink Sapphire Gold Eternity Wedding Band Ring
Located in Stamford, CT
Beautiful pink sapphire wedding band ring. 18k yellow gold eternity setting with 25 channel set square cut rich pink sapphires totaling 3.75cts. The mix of pink sapphires and yellow ...
Category

21st Century and Contemporary Modern 3.5 Carat Rings

Materials

Sapphire, Pink Sapphire, 18k Gold, Gold, Yellow Gold

1.78 Carat Purple Natural Sapphire Diamond Halo Art Deco Platinum Ring
Located in Stamford, CT
1920's Art Deco Sapphire and diamond halo ring. AGL certified round center sapphire with a halo of 9 Old European diamonds, se...
Category

Early 20th Century 3.5 Carat Rings

Materials

Diamond, Sapphire, Platinum

GIA Certifie3.19 Carat Blue Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Cornflower blue oval Sapphire and diamond engagement ring. The center sapphire is GIA certified natural color simple heat only, set in a platinum setting with baguette...
Category

Late 20th Century 3.5 Carat Rings

Materials

Blue Sapphire, Diamond, Sapphire, Platinum

Peter Suchy 3.04 Carat Diamond Halo Rose Gold Engagement Ring
Located in Stamford, CT
3.04ct transitional Ideal cut diamond halo engagement ring. Slight warm color K that, great sparkle and surface area, no flaws visible to the eye. 18k rose gold setting with diamonds...
Category

21st Century and Contemporary 3.5 Carat Rings

Materials

Diamond, 18k Gold, Rose Gold

Edwardian GIA 3.54 Carat Old European Cut Diamond 18k Yellow Gold Cluster Ring
Located in Beverly Hills, CA
One Edwardian GIA 3.54 Carat Old European Cut Diamond 18k Yellow Gold Cluster Ring. Featuring one GIA old European cut diamond of 3.54 carats, accompanied by GIA #2225560490 stating ...
Category

Early 1900s Edwardian Antique 3.5 Carat Rings

Materials

Diamond, White Diamond, Pearl, Gold, 18k Gold, Yellow Gold, Platinum

3.62 ct Star Sapphire Ring w Natural Diamonds in Solid 14K White Gold Oval 10x8
Located in Columbus, OH
We are loving this new ring design and think it looks absolutely gorgeous with this mystical star sapphire centerpiece. A beautiful design in solid 14K white gold with natural diamon...
Category

2010s American Modern 3.5 Carat Rings

Materials

Diamond, White Diamond, Sapphire, Star Sapphire, Gold, 14k Gold, White Gold

Dazzling 3.85ct Round Brilliant Diamond Ring
Located in רמת גן, IL
Introducing a captivating ensemble of 21 diamonds, each crowned with a magnificent main stone boasting 3.85 carats of sheer brilliance. Embracing the timeless allure of the round bri...
Category

2010s Israeli 3.5 Carat Rings

Materials

Diamond, Yellow Gold, 18k Gold

3.57 Ctw Natural Morganite 925 Sterling Silver Rose Gold Plated Wedding Ring
Located in New York, NY
Welcome to Blue Star Gems NY LLC! Discover popular engagement ring & wedding ring designs from classic to vintage inspired. We offer Joyful jewelry for ...
Category

21st Century and Contemporary Central American Art Deco 3.5 Carat Rings

Materials

Morganite, Zircon, Rose Gold, Silver, Sterling Silver

Art Deco 7.92 CTW No Heat Ceylon Sapphire Diamond Ruby Platinum Ring GIA
Located in Philadelphia, PA
Centering a cushion cut sapphire weighing approximately 3.55 carats - transparent light cornflower blue in color Natural Sri Lankan in origin with no indications of heat treatment - ...
Category

1930s Art Deco Vintage 3.5 Carat Rings

Materials

Diamond, Ruby, Sapphire, Platinum

18K Rose Gold Radiant Diamond Eternity Band
Located in Cedarhurst, NY
Imagine the look on her face when she sees this Radiant Diamond Eternity Band; featuring 25 Radiant Diamonds, nd weighing 3.58 Total Carat Weight. These diamonds are F Color, VS Clar...
Category

2010s North American 3.5 Carat Rings

Materials

Diamond, Rose Gold

Stunning GIA 3.50ct Vintage OVAL DIAMOND Engagement Wedding 3 stone 18KYG Ring
Located in New York, NY
Timeless GIA 3.50ct OVAL DIAMOND Engagement Wedding Three Stone 18k Gold Vintage Ring. This timeless trilogy ring will take your breath away!! Incredible opportunity to own a Huge 1...
Category

Early 2000s Modern 3.5 Carat Rings

Materials

Diamond, 18k Gold, Yellow Gold

GIA 3.68 Carat Pear Cut Fancy Intense Green-Blue Diamond Three Stone Ring
Located in New York, NY
A exquisite and magnificent one of a kind engagement ring made and designed by Roman Malakov Diamonds showcasing a GIA Certified pear shape fancy intense green blue diamond weighing ...
Category

21st Century and Contemporary American Contemporary 3.5 Carat Rings

Materials

Blue Diamond, Pink Diamond, Platinum

Oval Sapphire Three Stone Diamond Ring 3.53 CTTW 18 Karat White Gold
Located in New York, NY
Three stone ring featuring one Oval cut blue Sapphire weighing 2.99 Carats flanked with two ? weighing 0.54 carats, in 18 Karat White Gold. Ring measures 13.9 MM Wide Call/Message ...
Category

2010s Contemporary 3.5 Carat Rings

Materials

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

Oval Diamond Eternity Band, Set in 18K Rose Gold
Located in Cedarhurst, NY
This Oval Diamond Eternity Band features 22 Oval Diamonds and weighs 3.50 Total Carat Weight. These diamonds are F Color, VS-SI Clarity, and are set in a 18K Rose Gold setting in a f...
Category

2010s American 3.5 Carat Rings

Materials

Diamond, Rose Gold

Blue Topaz Ring, 3.62ct Emerald Cut Blue Topaz New Ring Blue Color sz 6.5
Located in Austin, TX
The emerald cut blue topaz ring has 3.62 carats! This ring has lots of luscious 14 karat gold on it and is a filigree design. The ring is hardy and sturdy with lots of gold to protec...
Category

2010s American Contemporary 3.5 Carat Rings

Materials

Topaz, Blue Topaz, 14k Gold, Yellow Gold

Peter Suchy GIA 2.87 Carat Diamond Emerald Gold Three-Stone Engagement Ring
Located in Stamford, CT
Peter Suchy antique inspired handmade diamond and emerald ring. GIA certified Old European cut center diamond with 2 round emerald side stones in a 18k yellow gold three-stone settin...
Category

21st Century and Contemporary 3.5 Carat Rings

Materials

Diamond, Emerald, Gold, 18k Gold, Yellow Gold

3.50 Carat Australian Opal and Diamond Ring 14 Karat Gold Pointed Designer Ring
Located in Austin, TX
Stunning Australian opal set in a unique designer setting! This bold ring has an oval Australian opal gemstone set in four pointed prongs and framed by a floral milgrain beaded desig...
Category

21st Century and Contemporary American Artisan 3.5 Carat Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

GIA Certified 3.80 Carat Emerald and Diamond Ring
Located in Great Neck, NY
This stunning Cocktail Ring features a beautiful GIA Certified 3.80 Carat Emerald Cut Emerald with a Diamond Halo, that sits on a Diamond Shank. This Ring is set in 18K White Gold, w...
Category

21st Century and Contemporary 3.5 Carat Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

3.75 Carat Blue Zircon Diamond Yellow White Gold Engagement Ring
Located in Stamford, CT
Vintage 1960's 3.70 carat emerald cut blue zircon and diamond engagement ring in a 14k yellow and white gold setting. 1 emerald cut blue zircon, approx. 3.7cts 6 round brilliant c...
Category

Mid-20th Century 3.5 Carat Rings

Materials

Diamond, Zircon, Blue Zircon, Gold, 14k Gold, White Gold, Yellow Gold

GIA 3.88 Carat Crossover Bypass Diamond Onyx Engagement Wedding Platinum Ring
Located in New York, NY
An Estate Vintage Beautiful Crossover “Toi et Moi” Diamond and Onyx Engagement, Anniversary, Wedding or Right Hand Ring! Timeless "Day and Night" design. The ring contains GIA certif...
Category

1990s 3.5 Carat Rings

Materials

Diamond, Onyx, Platinum

Peter Suchy GIA Certified 2.45 Carat Diamond Sapphire Platinum Engagement Ring
Located in Stamford, CT
Peter Suchy diamond and sapphire three-stone engagement ring. Ideal cut 1.45 carat GIA certified diamond center stone with two round brilliant cut blue sapphires in a three-stone set...
Category

21st Century and Contemporary 3.5 Carat Rings

Materials

Sapphire, Blue Sapphire, Diamond, Platinum

3.62 Carat Diamond Cluster Bypass White Gold Cocktail Ring
Located in Stamford, CT
Diamond Bypass style double cluster cocktail ring with round brilliant cut and baguette cut Diamonds. Bright white sparkle. 2 round full cut Diamonds, approx. total weight .35cts, F...
Category

21st Century and Contemporary 3.5 Carat Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Graduated Baguette Round Diamond Gold Cocktail Ring
Located in Stamford, CT
18k yellow gold multi diamond ring combining baguettes and round diamonds in a prong setting. Center bar is white gold. Baguette diamond...
Category

1960s Vintage 3.5 Carat Rings

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

Peter Suchy Violet Natural Sapphire Platinum Engagement Ring
Located in Stamford, CT
Natural no heat violet color change square brilliant cut Sapphire engagement ring. Changes color in different lights from violet to purple. Made from the Peter Suchy Workshop in Plat...
Category

2010s 3.5 Carat Rings

Materials

Diamond, Sapphire, Platinum

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