Platinum Three-Stone Rings

This delicate three stone ring dates back to 1910. It features a centre old cut diamond weighing 0.25 carat, and adjacent either side are two diamonds weighing 0.15 carat each. The d...

One of a kind ring design. Created in Platinum with a very comfortable European shank style. Attention to detail abounds in this ring in both sides of the profile design to ensure ...

This amazing ring is unique and well thought out before Emilio designed it! Most women today want a ring that is striking, yet humble enough to wear to perform everyday errands. This...

A 3.10 carat sapphire and diamond three stone platinum engagement ring. This beautiful sapphire and diamond ring is handcrafted in platinum. Claw set to its centre with a 3.10 carat round cut sapphire of unusual aquamarine colour and framed on either side by a transitional cut diamond assessed as H-I colour, VS1-VS2 clarity, for a total weight of 1.28 carats. All stones are set mounted into a double gallery setting leading to a gently curved plain polished platinum band. This is an elegant ring set with a rare and unusual aquamarine coloured sapphire. Perfect for everyday wear. With hallmarks 950 for platinum, and Assay marks for London, stamped 'MDR' the makers mark for Michael Rose...

Speechless Oval Diamond Engagement ring with two hearts on each side. The center stone is 7.01 Carats Oval I in color VS2 in Clarity, Certified by GIA Laboratory, surrounded by two ...

An exceptional marvel of nature reminiscent of the Hope Diamond, this beautiful and highly rare fancy deep blue diamond is certified by the Gem...

A stunning engagement ring, featuring a 15.34 carats emerald cut diamond certified by GIA as H color and VS1 clarity, set on an eight prong setting. Flanked by trillion cut diamonds ...

This heirloom-quality Art Deco platinum ring is a magnetic piece, exuding elegance with its filigree design. Set with 20 old European and round cut diamonds totaling 1.25 carats, the...

This sophisticated and unique Cartier ring would be a one of a kind engagement ring or perfect as a right hand statement piece. This ring showcases a stunning 1.55 carat emerald cut...

An exceptional and highly collectible ring centered by a GRS-certified 6.30 carat natural ruby of Burmese origin (Mogok, Myanmar), set in platinum and flanked by fine white diamonds....

Centering a round cut ruby weighing 2.50 carats - transparent medium red in color Natural Burmese in origin and set with split talon prongs in pierced basket Flanked by cathedral sho...

4.01 carat emerald cut blue sapphire with trapezoid diamonds .57 carats set in a platinum ring. Size 7. Free resizing included to your finger size.

--Stone(s):-- (1) Natural Genuine Sapphire - Elongated Emerald Cut - Claw Prong Set - Powder Pink Color - Heated- Ceylon -3.0ct (exact) ** See Certification Details Below for Complet...

A stunning engagement ring, showcasing a 5.05 carats Asscher cut diamond certified by GIA as G color and VS2 clarity, set on a four prong basket made of platinum. Flanked by epaulett...

GRS-certified 5.41 carat cushion-cut "Vivid Green" minor oil Colombian emerald in 18K white gold three-stone ring. Flanked by two old European-cut diamonds totaling 1.50 carats. Ring...

This high-quality three stone sapphire and diamond ring is crafted in solid platinum. Displaying a prominent cushion-cut, Natural No Heat Genuine Blue Sapphire with GIA lab report w...

An exquisitely beautiful combination of fancy colored diamonds is the centerpiece of this unique ring. Marquise cut natural fancy light pink, blue and yellow diamond center stones su...

A timeless Tiffany & Co. three stone engagement ring crafted in platinum, centered by a magnificent 2.25 carat natural emerald cut diamond of exceptional quality. The center ston...

A unique three-stone engagement ring, showcasing a 1.01 carats heart shape diamond certified by GIA as Fancy Vivid Yellow color and VS2 clarity, set on a five prong setting made of 1...

This exquisite three-stone diamond ring features a light yellow radiant center diamond of Y-Z color, weighing 3.18 carats and GIA certified. It is elegantly accented by two trapezoid...

--Stone(s):-- (1) Natural Genuine Diamond - Old European Cut - Prong Set- J/K Color - VS1 Clarity - 7mm - 1.35ct (approx.) (2) Natural Genuine Diamonds - Single Cut - Prong Set - Nic...

Cornflower blue round sapphire center stone with two round accent diamonds in a platinum three-stone setting. GIA certified center stone. 1 round cornflower blue Sapphire, approx. ...

This fabulous Art Deco ruby and diamond three stone ring is sure to make an absolutely stunning engagement ring. This ring is accompanied by a certificate from GCS stating the ruby ...

This ruby and diamond 3-stone ring is offered by Shreve, Crump & Low. This cushion cut ruby is custom set in a handcrafted Shreve, Crump & Low classic 3-stone platinum and 18kt yello...

An elegant three-stone engagement ring, showcasing a 3.14 carats princess cut diamond certified by EGL as I color and VS2 clarity. Flanked by two smaller princess cut diamonds weighi...

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...

A beautiful Ring featuring a 3.52 Carat, Natural, Non-dyed Jadeite and 0.69 Carats of Diamond Accents set in Platinum. Jadeite has been cherished for millennia. Its nature is pure an...

A timeless three-stone engagement ring, showcasing a 10.03 carats oval cut diamond certified by GIA as J color and SI1 clarity, set on a four prong setting. Flanked by tapered baguet...

A stunning engagement ring, showcasing a 1.57 carats oval cut diamond certified by GIA as Fancy Yellow color and VS1 clarity, set on a four prong 18K yellow gold setting. Flanked by ...

A rare and meaningful 4.54 carat oval ruby and diamond three stone ring by Merkaba Jewelry Beverly Hills, crafted in platinum and 18K yellow gold. Centered by a vivid oval ruby accom...

An exceptional American platinum diamond ring centered by a magnificent 7.00 carat Old European cut diamond, likely an earlier stone thoughtfully reset into an elegant mid-century mo...

This extraordinary platinum three-stone ring showcases a truly elite center diamond, making it a once-in-a-lifetime acquisition for the most discerning collector. At its heart is a b...

Platinum & 18K Yellow Gold Natural Emerald Center & Emerald-Cut & Trapezoid Cut Diamond Flanked Ring Style: Natural emerald & diamond flanked ring Material: Platinum & 18K Yellow Go...

Showcases an elongated Cushion cut, Vibrant color Emerald weighing 2.91 carats, flanked by two brilliant cut trapezoid diamonds weighing 1.05 carats total. Elegantly set in a polishe...

This exquisite three-stone diamond ring features a fancy pinkish brown radiant center diamond weighing 2.16 carats, certified by GIA. It is elegantly complemented by two E color trap...

Unheated Blue Sapphire 2.70 carats with Diamond 0.59 carat Ring set in Platinum 950 Settings Width: 1.7 cm Length: 0.9 cm Ring Size: 53 Total Weight: 9.12 grams "We first opened ...

Diamonds lead the look with this beautiful classic three stone diamond ring. This gorgeous vintage ring has 2 carats TW of round faceted H/VS2 diamonds including a center .60 carat ...

An 1.84 carat Kashmir sapphire and diamond three stone platinum engagement ring. This exceptional sapphire and diamond engagement ring is handcrafted in platinum. Claw set to its centre with a round cut sapphire of 1.84 carats. The stone is a vivid royal blue certified by The Precious Stone Laboratory London as a natural sapphire of Kashmir origin with no heat treatment. The sapphire is framed on either side by an old cut diamond, with a total diamond weight of 0.51 carats assessed as H-I colour, SI2 clarity. All stones are set onto a tapered plain polished platinum band. Stamped MDR (makers mark for Michael Rose...

Classic trilogy ring with central cushion cut diamond and 2 Old Euro cut diamonds on the sides, estimated 0.80ct total. Set in platinum from the 1940's.

The polylobed top bears three brilliant-cut (old-cut) oval diamonds in a surround of rose-cut diamonds. Set in platinum. Gross weight: 4.39 g. Size 7 Top dimensions: 2.2 x 1.8 cm. ...

This 3-Stone diamond ring is offered by Shreve, Crump & Low. This 13.26 carat GIA Certified K VS2 emerald cut diamond measuring 15.30 x 11.64 x 8.31 mm is custom set in a handcrafted Shreve, Crump & Low platinum 3-stone ring. The 13.26 carat emerald cut center diamond is accented by two 2 trapezoid cut diamonds having an approximate 1.20 total carat weight with a respective color and clarity of J/K VS quality. The 13.26 emerald cut is accompanied with GIA report no. 2181357372. Setting is a ring size 6.5, stamped with our maker hallmark "SHREVE CRUMP AND LOW" "PLAT" Shreve, Crump & Low is one of America's oldest and most prestigious jewelry and fine gift establishments founded in 1796. Shreve, Crump & Low has storefronts in Boston, MA and Greenwich, CT. For over 200 years Shreve, Crump & Low has maintained an unparalleled level of excellence in product offering and service. *Shreve, Crump & Low Graduate Gemologist commentary: Please note this diamond graded K in color by the GIA in fact appears much whiter more akin to a G colored diamond.

A stunning ring featuring a GRS Certified 1.41 Carat Natural Colombian Emerald and 0.06 Carats of Diamonds made in Platinum. People have admired emerald’s green for thousands of year...

This engagement ring is a remarkable expression of elegance and rare craftsmanship. Created in a refined combination of platinum and 18K white gold it presents a striking and archite...

This radiant cut diamond ring is offered by Shreve, Crump & Low. This 5.07 carat GIA Certified I VS2 radiant cut diamond measuring 11.06 x 9.62 x 5.67 mm is custom set in a handcraft...

An exquisite three stone ring featuring a beautiful cushion shaped royal blue sapphire weighing 4.09ct in an open back, four claw setting. This gorgeous stone is accompanied by two c...

This elegant vintage ruby and diamond three stone ring is a classic 1970’s design, centered by a GIA-certified oval cut ruby weighing 1.25 carats. With Burma origin and heated treatm...

Exquisit GIA certified 4.38 carat Burma No-Heat ruby three-stone diamond ring. This handcrafted three-stone ruby and diamond ring is meticulously set in platinum and 18k yellow gold....

A striking platinum three-stone ring centred upon a richly coloured Colombian emerald weighing 3.24 carats, flanked by a pair of crescent-shaped brilliant-cut diamonds with a combine...

A vintage diamond solitaire ring with baguette-cut shoulders in platinum.

This ring features a round brilliant-cut diamond six claw-set to the centre in a rex collet with ...

This is your moment to own a piece of unparalleled beauty and rarity. Don't let this opportunity slip through your fingers. Behold a 5.81-carat Fancy Intense Yellow radiant cut dia...

This fancy and truly fine quality green tsavorite and diamond custom made ring is crafted in solid platinum with a solid 18k yellow gold center basket setting. The ring features a na...

This amazing platinum engagement ring is centered with a royal blue GRS certified oval cut sapphire that weighs 4.04ct. The center stone is flanked by sparkling shield cut diamonds t...

This incredible new piece by the house of J. Birnbach features a GIA certified 4.08 carat old mine cut diamond of J color and VS1 clarity as described by GIA grading report #22017997...

Circa 1920s Old European 3 Stone Diamond and Emerald Engagement Ring - VEG#16b Item Details: Year: 1920s Ring Size: 5 Met...

A magnificent engagement ring, showcasing a 5.38 carats pear shape diamond certified by GIA as J color and VS1 clarity, set on a five prong setting. Flanked by two tapered baguette c...

A captivating masterpiece of exceptional rarity, this ring showcases a vivid 7.12-carat natural sapphire of distinguished Ceylon (Sri Lankan) origin, certified by the prestigious Ame...

This stunning three-stone diamond ring from the 21st Century is crafted in solid platinum and 18k gold. Showcasing in the center with one Octagonal Modified brilliant step cut Ceylon...

This sapphire and diamond 3-stone ring is offered by Shreve, Crump & Low. This oval cut pink sapphire is custom set in a handcrafted Shreve, Crump & Low platinum 3-stone ring, consis...

This absolutely stunning ring boasts a gorgeous 17.02 carat emerald, GIA certified Colombian with moderate clarity enhancement and measuring 17.59 x 15.51 x 11.75 mm. Flanked by two ...

Art Deco ruby diamond ring in 18 karat gold and platinum. This Art Deco ring is set with synthetic rubies, the central one weighing 1.78 carats. It is flanked by two pear-shaped synt...