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Art Deco Sapphire Diamond Engagement Ring 2ct Platinum Original 1920s Antique
Located in Dearborn, MI
Metal: Platinum Stamp: 10% IRID PLAT Measures: 5.5mm off the finger 7.1mm in length (North/South
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Art Deco Sapphire Ring 2.45ct Marquise Diamonds Original 1920s Antique Platinum
Located in Dearborn, MI
Ring's Specs Size: 5.5 (Sizing Available for $100) Metal: Platinum Stamp: 10% IRID PLAT We strive
Category

Vintage 1940s Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Art Deco Diamond Wedding Band Ring Mined .15ct Original 1930 s Platinum
Located in Dearborn, MI
(Sizing Available for $75) Metal: Platinum Stamp: 10% IRID PLAT Weight: 2.4 Grams Measures: 2.8mm
Category

Vintage 1930s Art Deco Band Rings

Materials

Diamond, Platinum

1.00 Carat Old European Cut Diamond Platinum Pierced Antique Engagement Ring
Located in Stamford, CT
approx. .50cts Size 7 and sizable Platinum Stamped: IRID PLAT 4.6 grams Width at top: 11mm Height at top
Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

Vintage Sapphire Diamond Ring 1.16ct Original 1940 s Art Deco Platinum Antique
Located in Dearborn, MI
Available for $100) Metal: Platinum Stamp: 10% IRID PLAT We strive to provide the most accurate
Category

Vintage 1940s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Vintage Oval Sapphire Diamond Ring 5.50ct Original 1940s Art Deco Platinum Anti
Located in Dearborn, MI
Available for $100) Metal: Platinum Stamp: 10% IRID PLAT We strive to provide the most accurate
Category

Vintage 1940s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Art Deco Sapphire Diamond Bypass Ring 3.14ct Platinum Antique Original 1920 s
Located in Dearborn, MI
Ring's Specs Size: 5.5 (Sizing Available for $75) Metal: Platinum Stamp: 10% IRID PLAT Weight: 5.6
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Vintage Tiffany Co Oval Cut Pink Red Ruby Diamond Platinum Three Stone Ring
By Tiffany Co.
Located in Birmingham, GB
. Approx. 0.12 carat. The ring is signed Tiffany & Co IRID.PLAT. for iridium platinum. This has been
Category

20th Century North American Three-Stone Rings

Materials

Diamond, White Diamond, Ruby, Platinum

5.5 Carat Brazilian Rubelite Engagement Ring with Diamond Baguettes in Platinum
Located in Sherman Oaks, CA
band is stamped 10% IRID PLAT. This platinum formulation strongly suggests the ring is American in
Category

Mid-20th Century American Art Deco Engagement Rings

Materials

Diamond, White Diamond, Rubelite, Tourmaline, Platinum

Art Deco Sapphire Ring 1.08ct Single Cut Diamonds Original 1920 s Antique Plat
Located in Dearborn, MI
Sizing Available) Metal: Platinum Stamp: 5% IRID We strive to provide the most accurate
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Victorian Sapphire Ring 1.11ct Single Cut Diamonds Original 1850 s Antique Plat
Located in Dearborn, MI
(Sizing Available for $100) Metal: Platinum Stamp: 10% IRID PLAT We strive to provide the most
Category

Antique 1850s Victorian Engagement Rings

Materials

Diamond, Sapphire, Platinum

Victorian 2 Stone Garnet Ring 4.40ct Original 1880s-1890s Antique Diamonds
Located in Dearborn, MI
for $100) Metal: Platinum Stamp: 10% IRID PLAT We strive to provide the most accurate
Category

Antique 1890s Victorian Cocktail Rings

Materials

Diamond, Garnet, Platinum

Art Deco Diamond Ring .62ct Transitional Cut H VS1 Original 1930s Antique Plat
Located in Dearborn, MI
: Platinum Stamp: 100 IRID 900 PLAT We strive to provide the most accurate descriptions possible. Please
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Platinum

Art Deco Sapphire Ring 1.91ct Single Cut Diamonds Original 1930s Antique Plat
Located in Dearborn, MI
)   Your Ring's Specs Size: 4 (Sizing Available for $100) Metal: Platinum Stamp: 10% IRID 900 PLAT
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Art Deco Sapphire Ring .72ct Single Cut Diamonds Original 1930s Antique Plat
Located in Dearborn, MI
)   Your Ring's Specs Size: 9 (Sizing Available for $100) Metal: Platinum Stamp: 10% IRID PLAT We
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Art Deco Diamond Ring 1.32ct GIA Transitional Cut Original Inscribed 1939 Plat
Located in Dearborn, MI
 (Sizing Available for $100) Metal: Platinum Stamp: 10% IRID 90% PLAT We strive to provide the most
Category

Vintage 1930s Art Deco Cocktail Rings

Materials

Diamond, Platinum

Wow Irid Platinum Art Deco Natural Diamond Ring 15.37 Carat 23.2g
Located in Beverly Hills, CA
Irid Platinum Art Deco Natural Diamond Ring 15.37ctw 23.2g Size 10.5 For sale is a Beautiful irid
Category

Vintage 1970s More Rings

Materials

Diamond, Platinum

Tiffany Co. Sapphire Diamond Platinum 1950s Wreath Brooch
By Tiffany Co.
Located in Munich, DE
sweater or a dress. it comes in its original case and is signed Tiffany & Co. and Irid. Platinum. The
Category

Vintage 1940s American Modern Brooches

Materials

Diamond, Sapphire, Platinum

Early 20th C. Wonder in a Pink Diamond Ring
Located in Wimberley, TX
. Hallmarks: 100 Irid Platinum. Origin: American. Note 1: This ring comes with a European Gemological
Category

American More Rings

Tiffany Co Three Stone Diamond Platinum Ring 2.41 carats
By Tiffany Co.
Located in Sunny Isles Beach, FL
Tiffany & Co Three Stone Diamond Ring in Platinum. Three Round Prong Set Diamonds with a Total
Category

Vintage 1980s American Three-Stone Rings

Materials

Diamond, Platinum

Antique Brownish Pink Old Cut Diamond Platinum Engagement Ring
Located in Theydon Bois, Essex
. Measurements – The diamond is 5.4mm by 5mm and sits 5.3mm from the finger. Metal – Platinum. Stamped 10
Category

Mid-20th Century Art Deco Engagement Rings

Materials

Diamond, Pink Diamond, Platinum

Lush Giardinetto Platinum Art Deco Pendant Necklace
Located in Wimberley, TX
Platinum and Irid Plat on the chain. Date & Origin: Circa 1920 and is American in origin.
Category

American More Necklaces

Materials

Diamond, Emerald, Ruby

Late Art Deco diamond bracelet
Located in London, GB
'900 PLAT 199 IRID' for iridium plated platinum, and measures 7 inches in length by 1/5 inch in width.
Category

Vintage 1940s American Link Bracelets

Materials

Diamond, Platinum

Certified Natural Sapphire 1.93 Carat and Diamond Engagement Ring, 1950s
Located in Antwerp, BE
stamped '10% irid plat' refering to the platinum alloy that it contains 10% iridium. Ring size 5¼, can be
Category

Mid-20th Century Unknown Retro Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Pair of 1920s Ruby Cufflinks, by Tiffany Co.
By Tiffany Co.
Located in Glasgow, GB
connectors are stamped '14' to denote 14 karat (carat) gold. The panels are stamped '10% IRID PLAT' to
Category

Vintage 1920s Unknown Art Deco Cufflinks

Materials

Ruby, Gold, 14k Gold, Yellow Gold, Platinum

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Irid Platinum For Sale on 1stDibs

Surely you’ll find the exact piece of irid platinum you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of platinum, gold and 18k gold, this item was constructed with great care. Our collection of these items for sale includes 1336 vintage editions and 78 modern creations to choose from as well. Making the right choice when shopping for an item from our selection of irid platinum may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Finding an appealing choice in our collection of irid platinum — no matter the origin — is easy, but Tiffany Co., Oscar Heyman and David Webb each produced a popular version that is worth a look. A round cut version of this piece has appeal, but there are also old european cut and baguette cut versions for sale. Most of our irid platinum for sale are for women, but there are 276 pieces available to browse for men.

How Much is a Irid Platinum?

On average, a piece of irid platinum at 1stDibs sells for $6,443, while they’re typically $11 on the low end and $195,000 for the highest priced versions of this item.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Finding the Right Rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. On 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.