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Platinum Three-Stone Rings

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Metal: Platinum
1.27 Carat Diamond Sapphire Pierced Three-Stone Art Deco Engagement Ring
Located in Stamford, CT
1920’s Art Deco diamond and sapphire engagement ring. EGL certified Old European cut diamond with two round sapphires in a th...
Category

Early 20th Century Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

1.61 Carat Padparadscha Sapphire Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Pink Padparadscha Sapphire and diamond engagement ring. Cushion cut GIA certified center sapphire in a platinum three-stone setting with 2 round side diamonds. Small interior inclusi...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Padparadscha Sapphire , Sapphire, Diamond, Pink Sapphire, Platinum

David Rosenberg 1.00 Carat Oval GIA Fancy Pink Platinum Three-Stone Diamond Ring
Located in Boca Raton, FL
A delicate setting of bright Platinum and 18k rose gold gleams alight with brilliant white Diamond Pavé accents. A rare GIA certified Pink 1.00 ct Oval cut Diamond rests at the cent...
Category

21st Century and Contemporary American Modern Platinum Three-Stone Rings

Materials

Diamond, Pink Diamond, White Diamond, Platinum, Rose Gold

Peter Suchy GIA Certified 1.11 Carat Diamond Halo Platinum Engagement Ring
Located in Stamford, CT
Emerald step cut center diamond engagement ring. GIA certified Emerald step cut 1.11ct center stone with a halo of round diamonds accented with 2 trapezoid Deco step cut side diamond...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Platinum

4.31 Carat GIA Certified Ruby Diamond Platinum Ring
Located in Beverly Hills, CA
A magnificent ring featuring a GIA certified 4.31 carat gem highly saturated red ruby. Two baguette cut diamonds accent the center gemstone, set in platinum. GIA #1172771507 accomp...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Ruby, Platinum

GIA 2.94 Carat Sapphire Sapphire Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Cornflower Blue Oval Sapphire and diamond engagement ring. GIA certified 2.49cts oval center stone in platinum setting with 2 old mine cu...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Blue Sapphire, Diamond, Sapphire, Platinum

Enticing GIA 0.67 Carat Diamond Engagement Ring
Located in New York, NY
This stunning platinum engagement ring is centered with a sparkling GIA certified round brilliant cut diamond that weighs 0.67ct. graded F color with VS1 clarity. The center diamond ...
Category

Early 20th Century Platinum Three-Stone Rings

Materials

Diamond, Platinum

Stunning 4.53 Carat Natural Sapphire Diamond Ring
Located in New York, NY
This amazing platinum ring is centered with a vivid blue oval cut sapphire that weighs 4.53ct. The center stone is flanked by sparkling baguette cut diamonds weighing approximately 0...
Category

20th Century Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Peter Suchy GIA 4.19 Carat Octagon Cut Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Sapphire and diamond three-stone engagement ring. Exquisite GIA certified octagonal 4.19ct sapphire center stone set in a platinum setting accented with 2 emerald cut diamonds both o...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Roman Malakov 1.78 Blue Sapphire and Diamond Three Stone Engagement Ring
Located in New York, NY
A fascinating gemstone engagement ring style showcasing a color rich vibrant emerald cut blue sapphire weighing 1.78 carat total, The sapphire has a deep royal blue color and the eye...
Category

21st Century and Contemporary American Contemporary Platinum Three-Stone Rings

Materials

Blue Sapphire, Sapphire, Diamond, Platinum

9.91 Carat Emerald Triangle Diamond Platinum Ring
Located in Sarasota, FL
Beautiful hand fabricated platinum & 18k gold ring with AGL certified 9.91 carat emerald and two shield cut diamonds weighing 1.31 carats.
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Emerald, 18k Gold, Platinum

Natural 2.66 Carat Sapphire Diamond Engagement Ring
Located in New York, NY
Made of platinum, this ring centers a round cut natural vivid blue sapphire that weighs 2.66ct. Accentuating the sapphire are sparkling round cut diamonds that weigh approximately 0....
Category

20th Century Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Peter Suchy GIA 4.23 Carat Oval Yellow Green Sapphire Platinum Engagement Ring
Located in Stamford, CT
Exceptional green and yellow oval Sapphire and diamond three-stone engagement ring. Simply put, this ring is spectacular. GIA certified oval yellow and green center sapphire mounted ...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Sapphire, Yellow Sapphire, Green Sapphire, Platinum

Birks .86 Carat Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Birks diamond engagement ring. Platinum three-stone setting with round center diamond with two round accent side diamonds. 1 round Ideal brilliant cut ...
Category

20th Century Canadian Platinum Three-Stone Rings

Materials

Diamond, Platinum

Unique GIA 1.00 Carat Old European Cut Diamond Ring
Located in New York, NY
This beautiful platinum ring centers a sparkling GIA certified old European cut diamond that weighs 1.00ct. graded J color with VS1 clarity. The center diamond is accentuated by smal...
Category

20th Century Platinum Three-Stone Rings

Materials

Diamond, Platinum

Peter Suchy 3.29 Carat Orange Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
GIA Certified Oval orange sapphire and diamond three-stone engagement ring. Small table and raised crown Platinum setting Peter Suchy Workshop. It has 2 old European cut side diamonds, also with raised crowns and small tables. 1 Oval GIA certified Natural Yellowish orange sapphire...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

3.18 Carat Blue Sapphire Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Royal blue sapphire and diamond engagement ring. GIA certified oval center sapphire accented with two trilliant cut diamonds, in a three-stone platinum setting designed and created i...
Category

1980s Vintage Platinum Three-Stone Rings

Materials

Blue Sapphire, Diamond, Sapphire, Platinum

EGL 3.02 Carat Old European Cut Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Ideal cut 3.02ct Old European cut diamond three-stone engagement ring. EGL certified center stone, with two side diamonds. raised crowns and small tables. Set in platinum with 28 rou...
Category

21st Century and Contemporary Unknown Platinum Three-Stone Rings

Materials

Diamond, Platinum

7.23 Carat Unenhanced Royal Blue Burmese Sapphire and Diamond Ring, circa 1960s
Located in London, GB
Natural Royal Blue Burmese sapphire and diamond ring. Set with a cushion shape old cut natural unenhanced Royal Blue Burmese sapphire to ce...
Category

1960s Vintage Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

GIA 1.41 Carat Brown Yellow Cushion Diamond Gold Platinum Engagement Ring
Located in Stamford, CT
Brown and yellow diamond engagement ring. Antique cushion cut natural fancy brownish yellow bezel set center stone, with 2 tapered baguette side diamonds. 16 round accent diamonds. H...
Category

Mid-20th Century Platinum Three-Stone Rings

Materials

Brown Diamond, Yellow Diamond, Diamond, Platinum, Yellow Gold, 18k Gold,...

Peter Suchy 7.61 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Vibrant blue sapphire and diamond engagement ring. Natural no heat round old European cut center Sapphire GIA certified in a platinum three-stone setting with two pear shaped side di...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Blue Sapphire, Sapphire, Platinum

Peter Suchy 1.53 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Sapphire and diamond three-stone engagement ring. AGL certified emerald cut sapphire center stone, set in a platinum triple diamond halo setting with 2 baguette side diamonds. Sapphi...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Sapphire Diamond Platinum Three Stone Ring
Located in New York, NY
This amazing platinum ring is centered with a natural oval cut sapphire that weighs approximately 1.50ct. The sapphire is flanked by two old mine cut diamonds weighing approximately ...
Category

20th Century Art Deco Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Peter Suchy 4.50 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Peter Suchy Sapphire Diamond Three Stone Platinum Engagement Ring. Made in Peter Suchy Workshop. Center stone AGL certified. 2 pear shaped GIA cer...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Blue Sapphire, Diamond, Sapphire, Platinum

GIA 0.88 Carat Diamond Sapphire platinum Engagement Ring
Located in New York, NY
This platinum ring is centered with a sparkling GIA certified round cut diamond that weighs 0.88ct. graded I color with VS1 clarity. The center stone is flanked by two pear shaped sa...
Category

20th Century Platinum Three-Stone Rings

Materials

Blue Sapphire, Diamond, Platinum

3.90 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
3.90ct sapphire oval center stone with two trilliant cut side diamonds in a platinum three-stone setting. GIA certified sapphire, with simple heat only. 1 oval sapphire 3.90ct. to...
Category

1930s Unknown Vintage Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified .90 Carat Diamond Baguette Three-Stone Gold Platinum Ring
Located in Stamford, CT
Diamond engagement ring. Platinum and 18k yellow gold three-stone setting with a GIA certified round center diamond and two tapered baguette side diamonds. Ideal cut diamond, appro...
Category

Late 20th Century Platinum Three-Stone Rings

Materials

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

3.75 Cts Unenhanced Royal Blue Burmese Sapphire and Diamond Ring
Located in London, GB
Natural 'Royal Blue' Burmese sapphire and diamond ring. Set with an oval old cut natural unenhanced 'Royal Blue' Burmese sapphire to centre with an approximate weight of 3.75 carats ...
Category

1950s Vintage Platinum Three-Stone Rings

Materials

Blue Sapphire, Diamond, Sapphire, Platinum

GIA Certified 1.28 Carat Diamond Platinum Three Stone Engagement Ring
Located in Stamford, CT
Three-Stone Diamond engagement ring. GIA certified round center stone in a platinum setting with 2 round accent diamonds. 1 GIA certified #15612228 round diamond approx. total weig...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Platinum

GIA Certified 2.89 Carat Orange Yellow Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Cushion cut 2.89ct orange yellow Sapphire and trilliant cut diamond three-stone engagement ring. Simple low level heat only in a simple classic ...
Category

Late 20th Century Platinum Three-Stone Rings

Materials

Diamond, Yellow Sapphire, Sapphire, Platinum

16.79 Carat Cushion-Cut Yellow Sapphire and Diamond Ring in Platinum
Located in Houston, TX
Three-stone ring composed of platinum and 18K yellow gold. The ring features a 16.79 carat cushion cut yellow sapphire. The sapphire is accompanied by a GIA report, stating the sto...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

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

Martin Flyer GIA Cert 1.22 Carat Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Original Martin Flyer Diamond Platinum three-stone Engagement ring. GIA certified center radiant cut diamond with 2 trapezoid side diamonds. Pave set diamonds along the shoulders and...
Category

Late 20th Century Platinum Three-Stone Rings

Materials

Diamond, Platinum

GIA 6.02 Carat Natural Spinel Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
1920's Spinel and diamond three-stone engagement ring. Cushion cut pink Spinel half bezel set center stone with two old mine brilliant cut side diamonds. GIA certified no heat Spinel...
Category

Early 20th Century Platinum Three-Stone Rings

Materials

Diamond, Spinel, Platinum

Natural Brown Pink Sapphire Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Sapphire and diamond engagement ring. GIA certified center brown and red center sapphire with 2 ideal cut side diamonds in a three-stone platinum setting. Color natural no heat, no e...
Category

Late 20th Century Platinum Three-Stone Rings

Materials

Pink Sapphire, Brown Diamond, Diamond, Sapphire, Platinum

Martin Flyer GIA 1.52 Carat Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
Martin Flyer handmade Diamond engagement Platinum ring. GIA certified round ideal brilliant cut center stone with 2, round ideal brillaint cut side stones in a three-stone platinum s...
Category

Late 20th Century Platinum Three-Stone Rings

Materials

Diamond, Platinum

.75 Carat Round Diamond Baguette Halo Platinum Engagement Ring
Located in Stamford, CT
Round and bagguette diamond ring. Round center stone set in platinum with 2 baguette side diamonds and 16 round accent diamonds. 1 Center diamond approx. total weight .75cts, G, VS...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Platinum

Peter Suchy 2.35 Carat Blue Sapphire Pear Diamond Platinum Engagement Ring
Located in Stamford, CT
Peter Sucy natural no heat Sapphire with bright blue at the ends and light blue in the center. In a handmade Platinum setting with diamond accents. From the Peter Suchy workshop desi...
Category

2010s Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Enticing 3.99 Carat Sapphire Diamond Platinum Engagement Ring
Located in New York, NY
This stunning platinum ring centers a vivid blue oval cut sapphire that weighs 3.99ct. The sapphire is flanked by two sparkling pear shape diamonds that weigh approximately 0.70ct. a...
Category

20th Century Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Peter Suchy 8.15 Carat Sapphire Three-Stone Platinum Engagement Ring
Located in Stamford, CT
Natural AGL certified three-stone sapphire engagement ring. Emerald cut center sapphire sapphire, AGL certified natural light gray blue white. The light blue is a slightly purplish...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Sapphire, Blue Sapphire, Platinum

Peter Suchy 5.77 Carat Sapphire Diamond Three-Stone Platinum Engagement Ring
Located in Stamford, CT
4.07 carat oval Sapphire and diamond three-stone engagement ring. Certified as natural color simple heat only with two old European cut diamonds with raised crowns and small tables set...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Blue Sapphire, Diamond, Sapphire, Platinum

GIA Certified 1.81 Carat Three-Stone Pink Sapphire Diamond Gold Platinum Ring 6
Located in Miami, FL
GIA Certified 1.81 Carat Three Stone Pink Sapphire Diamond Gold Platinum Ring Evoking the senses to the blossoming colors of spring with two radiant pink sapphires weighing 1.09 c...
Category

21st Century and Contemporary American Platinum Three-Stone Rings

Materials

Pink Sapphire, Diamond, 18k Gold, Platinum, Gold

GIA Certified .94 Carat Pink Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
1950's Pink purple round sapphire and diamond engagement ring. GIA certified round European cut fancy intense center sapphire mounted in a platinum three-stone handmade engagement se...
Category

Mid-20th Century Platinum Three-Stone Rings

Materials

Pink Sapphire, Purple Sapphire, Sapphire, Diamond, Platinum

Art Deco Red Oval Natural Ruby Diamond Platinum Engagement Ring
Located in Stamford, CT
1940 late Art Deco simple Platinum engagement ring with bezel set natural no heat red certified oval Ruby and accent diamonds. AGL Certified GB 47126 1 oval fine red natural Ruby, a...
Category

1940s Vintage Platinum Three-Stone Rings

Materials

Diamond, White Diamond, Ruby, Platinum

Peter Suchy 1.01 Carat Asscher Diamond Pave Halo Platinum Engagement Ring
Located in Stamford, CT
Diamond three-stone engagement ring. GIA certified 1.01 Asscher cut center stone with a halo of round cut diamonds. Accented with 2 trapezoid side diamonds...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Platinum

GIA Certified 1.26 Carat Yellow Sapphire Diamond Platinum Gold Engagement Ring
Located in Stamford, CT
Sapphire and diamond three-stone engagement ring. Radiant cut diamond, top cutting and brilliance, certified as Fancy light yellow by the GIA, face up color in the ring is fancy to f...
Category

21st Century and Contemporary Contemporary Platinum Three-Stone Rings

Materials

Yellow Sapphire, Yellow Diamond, Diamond, Yellow Gold, 18k Gold, Gold, P...

Peter Suchy 1.01 Carat Three-Stone Diamond Platinum Engagement Ring
Located in Stamford, CT
Three-stone diamond engagement ring. EGL certified Old European cut 1.01ct center stone, set in platinum with 2 Old European cut side diamonds. Created in the Peter Suchy Workshop. ...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Platinum

.77 Carat Diamond Halo Two Row Halo Platinum Engagement Ring
Located in Stamford, CT
Three-stone diamond engagement ring. .77ct center brilliant cut diamond with a double halo of diamonds accented by 2 brilliant cut side diamonds with halos of round cut diamonds, in ...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, 14k Gold, White Gold, Platinum

6 carat Natural No Heat Blue Sapphire and Diamond Ring
Located in New York, NY
Certified natural no heat 6.09 carat Cushion cut sapphire set in handmade platinum and diamond mounting. .66 carats of diamonds. This sapphire has exceptional color and brilliance....
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Antique 2.60 Carat Sapphire Diamond Platinum Ring
Located in New York, NY
Made of platinum, this ring centers a vivid blue oval cut Ceylon sapphire that weighs approximately 2.60ct. The sapphire is accentuated by sparkling half moon old mine cut diamonds w...
Category

1910s Vintage Platinum Three-Stone Rings

Materials

Diamond, Sapphire, 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 Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

4.71 Carat Oval Cut Sapphire Diamond Platinum Ring
Located in New York, NY
This elegant platinum ring is centered with a vivid blue oval cut Ceylon sapphire that weighs 4.71ct. The sapphire is accentuated by sparkling half moon and round cut diamonds weighi...
Category

20th Century Platinum Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Peter Suchy EGL 1.35 Carat Old Mine Round Diamond Platinum Engagement Ring
Located in Stamford, CT
Diamond engagement ring. EGL certified round old mine cut center diamond with 2 round brilliant cut side diamonds in a three stone platinum setting. The diamonds are 1900's. The sett...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Platinum

GIA Cert 10.16 Carat Vivid Blue Sapphire and Diamond Platinum Ring Size 5.5
Located in Miami, FL
GIA Cert 10.16 Carat Vivid Blue Sapphire and Diamond Platinum Ring Size 5.5 Throughout history, the sapphire has symbolized truth, sincerity and...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Diamond, Blue Sapphire, Platinum

Peter Suchy GIA Certified 5.73 Carat Blue Sapphire Platinum Engagement Ring
Located in Stamford, CT
Sapphire Three-stone engagement ring. GIA certified 3.47cts octagonal center sapphire, mounted in a platinum three-stone setting, accented with a light blue octagonal sapphire on eac...
Category

21st Century and Contemporary Platinum Three-Stone Rings

Materials

Blue Sapphire, Sapphire, Platinum

4.53 Carat Natural Sapphire Pear Shaped Diamond Gold Platinum Engagement Ring
Located in Stamford, CT
Natural no heat Royal blue fine oval Sapphire and pear shaped diamond engagement ring. In its original handmade 18k yellow gold and platinum setting with bright sparkly pear shaped s...
Category

Late 20th Century Platinum Three-Stone Rings

Materials

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

Art Deco Three-Stone Chrome Diopside and Diamond Ring in Platinum
Located in Houston, TX
Art Deco three-stone ring is composed of platinum featuring two round and one oval cabochon cut chrome diopside stones accented by round diamonds. There are 36 diamonds that total 1...
Category

20th Century Platinum Three-Stone Rings

Materials

Diamond, Garnet, Platinum

1.12 Carat Diamond Three-Stone Platinum Engagement Ring
Located in Stamford, CT
Three princess cut diamond engagement ring in a three stone platinum setting. 1 Center diamond 1.12cts F, SI1, 2 Princess cut diamonds Approx. .40cts total F, VS2 to SI1 Size 7 an...
Category

1990s Modern Platinum Three-Stone Rings

Materials

Diamond, Platinum

Classic Three Stone Diamond Engagement Ring set in Platinum
Located in New York, NY
A beautiful and timeless engagement ring. This ring was handcrafted in New York for these three magnificent round brilliant cut diamonds. The center diamond is 1.51 carats, GIA certi...
Category

21st Century and Contemporary American Platinum Three-Stone Rings

Materials

Diamond, Platinum

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