Platinum Three-Stone Rings

Vintage Emerald & Diamond Trilogy Ring 18ct Gold & Platinum Stamped Circa 1970s This stunning trilogy ring from the 1970s is a true vintage beauty. The ring is crafted in...

Three Stone Engagement Ring Platinum Stamped Makers Mark CJS Made 2025 Celebrate your love with this exquisite modern handmade engagement ring, featuring a stunning three-stone d...

Antique Emerald & Diamond Trilogy Ring 18ct Gold & Platinum Stamped Circa 1920s This stunning trilogy ring from the 1920s is a true vintage beauty. The ring is crafted in...

Vintage Emerald & Diamond Trilogy Ring 18ct Gold & Platinum Stamped Circa 1920s This stunning trilogy ring from the 1920s is a true vintage beauty. The ring is crafted in 18ct ye...

Three stones Diamond and Blue Sapphires Ring hand - made ca. 1910s - 1920s.This design with secure bezel clusters is perfect for everyday/ permanent wear. Likely British, ca. first...

--Stone(s):-- (3) Natural Genuine Diamonds - Round Brilliant Cut - Prong Set - J Color - VS1-SI1 Clarity - 2.90ct (exact - certified) ** See Certification Details Below for Complete ...

A simply gorgeous and wonderful value Estate ring set in solid Platinum and featuring a stunning Unheated Blue Sapphire from Sri Lanka weighing an absolutely impressive 3.14ct. The b...

Three Stone Cluster Ring set with sort of transitional bezel and claw setting with oval cut natural Blue Sapphire accented with 2 old European cut Diamonds in Platinum claws on solid 18K Orange Gold band...

This exceptional Edwardian five-stone ring is a beautifully balanced jewel from the 1910’s, centered by an old mine cut diamond weighing approximately 0.80 carat. Graded J-K color an...

Tiffany & Co. three-stone engagement ring in platinum, featuring a 0.75 carat emerald cut center diamond flanked by two matching emerald cut side stones at 0.42 carats each, totaling...

A masterpiece of extraordinary rarity and timeless sophistication, this exceptional platinum solitaire showcases a magnificent 6.11 carat Oval Brilliant Cut natural diamond, accompan...

Three - stones Ring with bezel set natural Blue Sapphire stone square cut 4 mm x 4 mm x 1.8 mm deep / ca. 0.5 ct. and two prong set old diamond cut natural Diamonds Ø 2 mm / ca. 0.06...

Three Stone Cluster Ring in solid 18K set with octagon cut natural Blue Sapphire accented with 2 old European cut Diamonds in Platinum settings. This sturdy Art- Deco inspired design...

Beautiful Three - stones Ring hand - made in 1918. In finest used condition after 106 years of existence :) Band with plain shoulders in solid 18ct Yellow Gold crown featuring plati...

Old Ruby and Diamonds Ring hand - made in ca. 1920s- 1930s. Swedish, hallmarked 18K, maker's, Stockholm, year marks not present because of sizing done in the past. Band in solid 18 ...

Centering an emerald cut emerald weighing 1.30 carats - transparent deep green Natural Zambian in origin with no indications of oil or clarity enhancement Prong set in gold basket an...

--Stone(s):-- (1) Natural Genuine Sapphire - Octagonal Cut - Prong Set - Brilliant Blue Color - Clean - No Heat - Ceylon - 3.49ct (exact) ** See Certification Details Below for Comp...

Natural Colombian Emerald and diamond three stone Ring This Colombian emerald has a beautiful combination of color and tone. The emerald is 70% primary green color with a medium inte...

Diamond 3 Stone Crossover Ring 18ct Gold & Platinum Stamped Circa 1920’s Pretty Antique Engagement Ring. Set with Three Diamonds in an Ill...

Antique Diamond Ring 18ct Yellow Gold & Platinum Tested Circa 1910 This gorgeous Edwardian ring is a perfect blend of elegance and charm. The open-work design of the ring is set ...

Tiffany & Co. Ring Center Octagonal Flawless Blue Sapphire 3.39 carat Beautiful Blue Color None Heated Very Clean Natural. Sides are Two Round Natural Diamonds approx 0.60 cara...

Exceptional platinum ring featuring an impressive 11.05 carat emerald-cut diamond graded G color and VS2 clarity, accented by two trapezoid-cut side diamonds totaling approximately 1...

This exceptional Graff platinum three-stone ring is a stunning expression of timeless luxury and exceptional craftsmanship. At its center is a magnificent 3.54 carat round brilliant ...

Platinum and 18k rose gold ring featuring a GIA certified 5.01 carat, cushion cut, natural, unheated, pink sapphire. Accented with two GIA certified heart shape diamonds totaling 1.4...

Three stones Ring with crown top in Platinum on 18K Yellow Gold Ring featuring old European diamond cut Diamonds. Largest in the center Ø 3.5 mm / 0.17 ct and two on its flanks Ø 3.2...

--Stone(s):-- (1) Natural Genuine Mahenge Spinel - Cushion Brilliant Step Cut - Clow Prong Set - Vivid Slightly Pinkish GLOWY Red- Eye Clean & Fiery - NO HEAT - Tanzania - 2.57ct...

This ladies' platinum five-stone ring is an extraordinary display of elegance, precision, and exceptional diamond quality. At its center is a magnificent 5.23 carat old mine cut diam...

This elegant and refined three-stone ring by Tiffany & Co. showcases the perfect balance between vibrant color and timeless luxury. Crafted in a sophisticated combination of plat...

Tiffany & Co. Yellow Diamond Three-Stone 18K Gold and Platinum Engagement Ring, 1.64 Total Carat Weight — Tiffany Valuation A stunning and timeless Tiffany & Co. three-stone...

Aston Estate Jewelry Presents: A stunning Tiffany & Company three-stone ring featuring a trio of brilliant-cut diamonds, each encircled by a halo of smaller diamonds. The diamonds ...

This exquisite Tiffany & Co. engagement ring features a stunning natural oval brilliant diamond at the center, certified by GIA. The center diamond displays a beautifully elonga...

Old Ring hand - made in White & Blue at the workshop of A.Tillander, famous Finish jewelry brand that once started in Imperial Russia and was in favor among Russian Nobility. It was ...

An estate Art Deco Old European-cut diamond three stone engagement ring with openwork, engraving and millegrain details set in platinum. The center diamond totals 1.25 carats, the tw...

This exquisite Tiffany & Co. three-stone ring showcases the house’s timeless elegance and masterful craftsmanship in a striking platinum setting. At its center sits a beautifully...

A simply magnificent gemstone is the star of this magnificent ring - a stunning Unheated Padparadscha Sapphire from Sri Lanka weighing 5.64ct. The central Padparadscha Sapphire is si...

Vintage Emerald & Diamond Trilogy Ring 18ct Gold & Platinum Circa 1950s This stunning trilogy ring from the 1950s is a true vintage beauty. The ring is crafted in 18ct yellow gold...

Sparkling 3 stone diamond ring with a halo of diamonds around each diamond! This ring is a sparkle lovers dream! Set in solid and sturdy platinum.  SPECIFICATIONS: DIAMONDS:  Cente...

Tiffany & Co. Platinum 2.26 Carat Emerald-Cut Diamond Engagement Ring A classic Tiffany & Co. engagement ring crafted in platinum and set with a bright 2.26 carat emerald-cu...

Edwardian natural saltwater pearl and diamond trilogy ring, set with a certified natural saltwater pearl measuring approximately 5.5–5.6mm between two old European-cut diamonds weigh...

Antique Diamond Twist Ring 18ct Gold Stamped Circa 1910 This beautiful 18ct gold and platinum ring boasts a timeless twist style, featuring three stunning diamonds. The diamonds ...

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...

Tiffany & Co. 5.74 carat emerald cut diamond platinum three stone ring is an extraordinary example of timeless elegance and exceptional diamond quality. Crafted in platinum by the re...

You are buying an exceptional GIA Certified 12 carat Fancy Yellow Emerald Cut Diamond Three-Stone Ring. At the center of the ring is a magnificent natural emerald cut diamond weighi...

Radiating with extraordinary brilliance, this exceptional ring showcases a magnificent 12.17 carat Fancy Yellow diamond, certified by GIA as natural in color. Cut in a beautifully pr...

This platinum and 18K yellow gold three-stone ring is a sophisticated showcase of color, brilliance, and exceptional craftsmanship. At its center is a stunning 3.01 carat radiant cut...

An exceptional sapphire and diamond three-stone ring centered by a rare SSEF-certified 7.306 carat natural sapphire of Madagascar origin. Showcasing a richly saturated blue color and...

An elegant and timeless engagement ring by Harry Winston, showcasing the house’s signature refinement and precision craftsmanship. At the center is a 1.10 carat radiant cut diamond,...

Tiffany & Co. GIA Certified 14 Carat Natural Blue Sapphire Diamond Platinum Ring This exceptional ring by Tiffany & Co. features a magnificent 14.00 carat natural blue sapphi...

This antique three-stone ring is a beautifully classic example of period diamond jewelry, set with 0.84 carats total weight of diamonds graded I color and SI1 clarity in a refined ye...

A beautiful Ring made in Platinum featuring a 1.74 Carat Natural Ruby and 0.40 Carat Diamonds. Rubies are referred to as "Ratnaraj" in Sanskrit meaning the King of Gems. Early cultur...

This handmade platinum and 18K yellow gold three-stone ring is an extraordinary showcase of craftsmanship, rarity, and vibrant color. At its center is a remarkable 4.62 carat radiant...

Mahenge spinel and diamond three-stone ring in platinum, centering an 8.99-carat natural pinkish-red spinel of Tanzanian origin, certified by the American Gemological Laboratories (A...

Art -Deco period Three stones Ring featuring a band in solid 18K Yellow Gold with Platinum clusters holding three old - diamond hand-cut natural stones. Natural Blue with a weak tin...

This ruby cluster ring holds a central ruby measuring 1.5 carats. The diamond halo totals 48pts. Stones set in platinum. Fully hallmarked London 1971. Ring Size: P 1/2 or 8 Face Di...

exceptional high-jewelry masterpiece. The cornerstone of this ring is a monumental GIA-certified 10.14-carat "Fancy Yellow" diamond, boasting a VS2 clarity. Set in a classic three-st...

A breathtaking signed Tiffany & Co. antique engagement ring from the Edwardian era, and one of the most romantic three-stone configurations imaginable. A luminous natural pearl, ...

A beautiful Ring made in Platinum featuring a GIA Certified 2.40 Carat Natural Ruby and 0.52 Carat Diamonds. Rubies are referred to as "Ratnaraj" in Sanskrit meaning the King of Gems...

The diamond displays a refined elongated outline with crisp step facets and remarkable finger coverage, offering the hall-of-mirrors effect highly sought after in fine emerald cut di...

A masterpiece of architectural brilliance, this extraordinary ring centers on a magnificent 4.01 carat Emerald Cut diamond, certified by the GIA as E color and Internally Flawless — ...

An exceptional three-stone diamond ring centered by a magnificent GIA-certified 4.00 carat oval brilliant-cut diamond. The center stone is complemented by two elegantly proportioned ...