Diamond Rings in Platinum
85 Products
85 Products
85 Products
$5,450
Impressive and unique at a fantastic value, this 3.00 carat rectangular cushion-cut lab-grown diamond is presented in a modern east-west orientation that perfectly showcases its countless fiery facets. Finely crafted in polished platinum with .75 ct. t.w. round brilliant-cut lab-grown diamonds framing the gem and continuing along the band. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. 3/8" wide. Lab-grown diamond ring.
$3,250
Acquire a quintessential look for less than you'd imagine! Our fabulous three-stone ring flaunts 3.00 ct. t.w. round brilliant-cut lab-grown diamonds in polished platinum. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. This item includes a report from the International Gemological Institute to verify color, clarity and carat weight. 1/4" wide. Lab-grown diamond ring.
$4,350
Our wow-worthy style comes at a significant value for its impressive size. Take a look at this lavish 3.00 carat rectangular cushion-cut lab-grown diamond haloed by .40 ct. t.w. round brilliant-cut lab-grown diamonds that continue along the slender platinum band. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. 5/8" wide. Lab-grown diamond ring.
$2,895
C. 1950. From our Estate collection, this Retro-era ring would make a beautiful option for a special engagement. A radiant .50 carat round brilliant-cut diamond glows at the center, while .10 ct. t.w. round diamonds decorate the stylized platinum band. 3/16" wide. Diamond ring. Exclusive, one-of-a-kind Estate Jewelry.
$2,295
C. 2000. Perfect as a promise or engagement ring, this elegant Estate collection find spotlights a crisp .18 carat round brilliant-cut diamond -- with .34 ct. t.w. round brilliant-cut diamonds sparkling along a classic halo and two-row split band. Finely crafted in polished platinum. 1/4" wide. Diamond ring. Exclusive, one-of-a-kind Estate Jewelry.
$4,695
A magnificent, modern riff on a classic design, our stunning ring features a sizable 3.00 carat emerald-cut lab-grown diamond flanked by .50 ct. t.w. tapered baguettes of the same kind. Finely crafted in polished platinum. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. This item includes a report from the International Gemological Institute to verify color, clarity and carat weight. 3/8" wide. Lab-grown diamond ring.
$5,450
Flaunting an elongated design, this extraordinary lab-grown diamond ring comes at a superior value considering its impressive impact and size. Features an east-west set 3.00 carat oval lab-grown diamond haloed by petite .75 ct. t.w. round brilliant-cut lab-grown diamonds. Finely crafted in polished platinum. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. 3/8" wide. Lab-grown diamond ring.
$3,595
Stellar sparkle. Impressive value. Our radiant ring features a 2.00 carat round brilliant-cut lab-grown diamond center flanked by .50 ct. t.w. tapered baguette gems of the same kind. Finely crafted in polished platinum. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. This item includes a report from the International Gemological Institute to verify color, clarity and carat weight. 1/4" wide. Lab-grown diamond ring.
$5,395
C. 2000. Calling to mind the geometric details of earlier styles, this stunning Estate collection ring features a dazzling array of .95 ct. t.w. round diamonds in an abstract gridded design. Crafted in polished platinum. 1" wide. Diamond ring. Exclusive, one-of-a-kind Estate Jewelry.
$3,995
C. 1970. Brilliant sparkle and irresistible shine come together in this fabulous Estate collection ring. Icy baguette and round brilliant-cut diamonds totaling .76 carats are artfully arranged in an eye-catching cluster atop a beaming platinum band. 5/16" wide. Diamond ring. Exclusive, one-of-a-kind Estate Jewelry.
$7,995
C. 2020. This dazzling ring joins our Estate collection, ready to grace your hand at any fancy or formal occasion. A magnificent cluster of 2.75 ct. t.w. marquise and .50 ct. t.w. round diamonds shimmers in beaming platinum, spanning an impressive 1 1/4" wide. Diamond cluster ring. Exclusive, one-of-a-kind Estate Jewelry.
$6,995
C. 2000. Nothing elevates an outfit like a dazzling cluster of diamonds! From our Estate collection, this lively design presents a scintillating mix of 2.50 ct. t.w. marquise and baguette diamonds set in polished platinum. 7/8" wide. Diamond cluster ring. Exclusive, one-of-a-kind Estate Jewelry.
$5,450
Here's a stunning high-end design at a superior value. Our remarkable ring spotlights a sizable 3.00 carat oval lab-grown diamond, with .75 ct. t.w. trapezoidal and round brilliant-cut lab-grown diamonds sparkling at each side. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. Finely crafted in polished platinum. 5/8" wide. Lab-grown diamond ring.
$4,395
C. 1990. From our Estate collection, this timeless ring is the perfect complement for outfits of any occasion. A series of .57 ct. t.w. square sapphires are arranged into a circle, which is illuminated by .57 ct. t.w. round brilliant-cut diamonds from the inside and out. Crafted in platinum. 1/2" wide. Diamond and sapphire ring. Exclusive, one-of-a-kind Estate Jewelry.
$1,095
C. 1980. Packed with sparkle for such a slender style, this Estate collection band beams with .18 ct. t.w. round diamonds set in polished platinum. Wear this classic style solo or stacked for a sophisticated look every time. 1/8" wide. Diamond ring. Exclusive, one-of-a-kind Estate Jewelry.
$8,995
C. 2000. As marvelous as any modern version of the same design, this exceptional Estate collection ring would make a stunning engagement ring for your bride-to-be. Features a 1.00 carat round brilliant-cut diamond flanked by more petite 1.00 ct. t.w. round brilliant-cut diamonds to create a classic three-stone arrangement. Crafted in polished platinum. 1/4" wide. Diamond three-stone ring. Exclusive, one-of-a-kind Estate Jewelry.
$2,195
C. 1970. Wrapping the finger with a chic bypass design, this Estate collection ring features flared arms adorned with .56 ct. t.w. round brilliant-cut diamonds. Finely crafted in polished platinum. 11/16" wide. Diamond bypass ring. Exclusive, one-of-a-kind Estate Jewelry.
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$4,160.75
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$4,895
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A stunning piece at a significant value, this exquisite ring presents an elegantly elongated 3.00 carat rectangular cushion-cut lab-grown diamond, with .30 ct. t.w. round brilliant-cut lab-grown diamonds studded along the slender band. Finely crafted in polished platinum. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. 1/2" wide. Lab-grown diamond ring.
$6,295
C. 2023. From our Estate collection, this superb ring carries the spirit of a bygone style within its modern design. Three sizable .76 ct. t.w. round brilliant-cut diamonds sparkle from top to bottom -- while .36 ct. t.w. diamonds of a more petite size illuminate the many curves of this platinum showpiece. 3/4" wide. Diamond cluster ring. Exclusive, one-of-a-kind Estate Jewelry.
$6,550
Unique in the most extraordinary way, this lavish ring comes at a notable value when considering its magnificent size and scale. Bask in the fiery glow of a 4.00 carat oval lab-grown diamond, tastefully tilted within an asymmetrical platinum setting studded with .75 ct. t.w. round brilliant-cut lab-grown diamonds. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. 3/4" wide. Lab-grown diamond ring.
$2,495
Sensational sparkle for a dazzling price! Our fantastic five-stone ring flaunts 2.00 ct. t.w. round brilliant-cut lab-grown diamonds with incredible fire. Set in high-polished platinum for a beautifully bright glow. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. 3/16" wide. Lab-grown diamond five-stone ring.
$6,995
C. 1990. A callback to the aesthetics of earlier eras, this Estate collection ring articulates a stately, eye-catching design with .90 ct. t.w. sapphire baguettes and .80 ct. t.w. round brilliant-cut diamonds. Finely crafted in polished platinum. 5/8" wide. Diamond and sapphire ring. Exclusive, one-of-a-kind Estate Jewelry.
$6,995
C. 1990. With its unique design and classic sparkle, this Estate collection ring is a simple yet elegant complement for your every look. A shimmery row of 1.65 ct. t.w. baguette diamonds spans the top, sided by .70 ct. t.w. round brilliant-cut diamonds set in beaming platinum. 5/16" wide. Diamond ring. Exclusive, one-of-a-kind Estate Jewelry.
$2,695
C. 1950. This stunning Retro-era bridal set comes from our Estate collection, bringing enduring sparkle for a beautiful union. The engagement ring features a breathtaking .50 carat round brilliant-cut diamond center, with additional .14 ct. t.w. diamonds at either side, crafted in palladium. The wedding band flashes a quintet of shimmering round diamonds totaling .13 carats, crafted in beaming platinum. 1/4" wide when worn together. Diamond bridal set. Exclusive, one-of-a-kind Estate Jewelry.
$4,195
C. 1990. If you're craving a major wardrobe revamp, consider this your sign to invest in timeless, heirloom-quality jewelry to elevate what you already own! Our dazzling Estate collection ring has that kind of style power -- shimmering with three rows of 1.54 ct. t.w. round brilliant-cut diamonds for a classic, high-end look in polished platinum. 5/16" wide. Diamond three-row ring. Exclusive, one-of-a-kind Estate Jewelry.
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$1,525.75
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Price reduced from
$1,795
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Take time to celebrate your life by marking a meaningful occasion with this classic seven-stone diamond band. Beautifully aglow with .70 ct. t.w. round brilliant-cut diamonds in polished platinum. Whether you're acknowledging a romantic milestone with someone special or a personal achievement you've met on your own, you deserve to shine! 1/8" wide. Diamond seven-stone ring.
$5,095
C. 2020. Joining our Estate collection, this scintillating ring will transform any look in an instant. Features 1.70 ct. t.w. round brilliant-cut white and yellow diamonds beautifully arranged into flowers atop a curved platinum band. 1/2" wide. White and yellow diamond flower ring. Exclusive, one-of-a-kind Estate Jewelry.
$4,395
C. 1950. From our Estate collection, this elegant ring features an openwork filigree design that's evocative of its Retro-era origin. At the center, a sparkling .65 carat round brilliant-cut diamond flashes its fiery glow. Crafted in polished platinum. 3/8" wide. Diamond filigree ring. Exclusive, one-of-a-kind Estate Jewelry.
$4,495
C. 2020. A bonafide stunner, this Estate collection ring spotlights a sensational .71 carat round brilliant-cut certified diamond in a classic four-prong platinum setting. For extra glamour, an elegant inset of shimmery .50 ct. t.w. square princess-cut diamonds dazzle along the slender band. 3/16" wide. Certified diamond ring. Exclusive, one-of-a-kind Estate Jewelry.
$7,795
C. 1950. Make your engagement even more special with this storied sparkler from our Estate collection. A Retro-era ring features a stunning .58 carat round brilliant-cut diamond, as smaller .35 ct. t.w. round diamonds decorate the rest of the polished platinum design. 3/8" wide. Diamond ring. Exclusive, one-of-a-kind Estate Jewelry.
$3,250
Spectacular sparkle, incredible value! A timeless style, this fabulous five-stone ring dazzles with 3.00 ct. t.w. round brilliant-cut lab-grown diamonds in pristine platinum. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. 3/16" wide. Lab-grown diamond ring.
$3,995
C. 2010. Make your bended-knee moment the most beautiful memory with the help of this stunning solitaire ring from our Estate collection. Features a fabulous .82 carat round brilliant-cut diamond in a pristine platinum setting. Diamond solitaire ring. Exclusive, one-of-a-kind Estate Jewelry.
$4,995
C. 1990. What could be more glamorous than a mile-high pile of diamonds? Our dazzling Estate collection ring boasts 1.50 ct. t.w. round brilliant-cut diamonds perfectly arranged in a lush cluster. Finely crafted in polished platinum. 9/16" wide. Diamond cluster ring. Exclusive, one-of-a-kind Estate Jewelry.
$6,295
C. 1990. Sparkling with three rows of radiant 2.39 ct. t.w. round brilliant-cut diamonds, this dazzling Estate collection ring conveys major glamour in a timeless design. Finely crafted in polished platinum. 1/4" wide. Diamond three-row ring. Exclusive, one-of-a-kind Estate Jewelry.
$1,595
C. 1990. Bursting with breathtaking sparkle, our Estate collection ring flaunts a lavish cluster of .50 ct. t.w. round brilliant-cut diamonds in polished platinum. 5/16" wide. Diamond cluster ring. Exclusive, one-of-a-kind Estate Jewelry.
$3,795
C. 2000. This ornate navette-style ring from our Estate collection is the perfect addition to your favorite formal outfit. A .23 carat round brilliant-cut diamond sits front and center, accompanied by bold stripes of .26 ct. t.w. square sapphires and a backdrop of .22 ct. t.w. round diamonds. Crafted in platinum. 3/4" wide. Sapphire and diamond navette ring. Exclusive, one-of-a-kind Estate Jewelry.
Silver, 18kt Gold Vermeil & Gold Rings
Welcome to the Ross-Simons ring collection, where you'll discover a ring for every finger, and then more rings to give away as gifts! With so many glittering gold rings, silver rings, 18kt gold vermeil rings, diamond rings—and yes of course, engagement rings and wedding rings—we have the right ring for any occasion here at your fingertips.
Our fine jewelry designers and merchants proudly present thousands of stunning rings from all over the world. Just click on any section of our ring collection to be dazzled and inspired. Click "Gemstone Rings" and see all your favorites: ruby rings, sapphire rings, and all the different birthstone rings.
Our fashion ring categories give you endless possibilities to flash a bit of bling. White gold rings are runway-ready, and sterling silver rings offer high style for less. Our pearl rings are pure elegance, and even our men's rings go beyond the standard white gold wedding bands. Crafted using a thick layer of real 18kt gold over sterling silver, our 18kt gold vermeil rings were born to be stacked. You’ll discover classic and on-trend styles that deliver a luxe look at a nice price.
Diamond engagement rings are presented in five different collections that help you decide what you want: from diamond solitaire engagement rings to antique engagement rings in Vintage & Estate Engagement Rings.