Skip to main content

Irid Platinum

to
4
121
18
132
56
55
14
8
7
6
5
4
2
2
2
1
1
7
3
1
1
1
GIA Certified 3.01 Carat Oval Natural Sapphire Diamond Platinum Engagement Ring
GIA Certified 3.01 Carat Oval Natural Sapphire Diamond Platinum Engagement Ring

GIA Certified 3.01 Carat Oval Natural Sapphire Diamond Platinum Engagement Ring

Located in Stamford, CT

The stunning oval sapphire gemstone, with its deep blue hue, is elegantly complemented by brilliant diamonds set in lustrous platinum. 1 oval blue Sapphire, approx. total weight 3.0...

Category

Mid-20th Century Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

EGL .91 Carat Old European Cut Diamond Platinum Art Deco Engagement Ring
EGL .91 Carat Old European Cut Diamond Platinum Art Deco Engagement Ring

EGL .91 Carat Old European Cut Diamond Platinum Art Deco Engagement Ring

Located in Stamford, CT

EGL certified as near colorless, this exquisite piece is a masterful blend of vintage elegance and sophisticated craftsmanship that captures the light with a dance of sparkle, remini...

Category

Early 20th Century Bridal Rings

Materials

Diamond, Platinum

GIA Certified 4.05 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring
GIA Certified 4.05 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring

GIA Certified 4.05 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring

Located in Stamford, CT

Beautiful alternative to a traditional engagement. 1 oval yellowish green Sapphire, approx. total weight 4.05cts, SI1, natural no heat, GIA certificate #1182031626 2 tapered baguet...

Category

Mid-20th Century Engagement Rings

Materials

Diamond, Sapphire, Green Sapphire, Platinum

Two-Strand Silver Akoya Pearl Choker with Platinum & 2.3ct Diamond Centerpiece
Two-Strand Silver Akoya Pearl Choker with Platinum & 2.3ct Diamond Centerpiece

Two-Strand Silver Akoya Pearl Choker with Platinum & 2.3ct Diamond Centerpiece

By Eytan Brandes

Located in Sherman Oaks, CA

The back of the centerpiece is stamped IRID PLAT, which means the platinum has been alloyed with iridium.

Category

2010s American Art Deco Choker Necklaces

Materials

Diamond, White Diamond, Pearl, Cultured Pearl, Gold, 14k Gold, White Gol...

GIA Certified Art Deco 4.51 Carat Sapphire Diamond Platinum Engagement Ring
GIA Certified Art Deco 4.51 Carat Sapphire Diamond Platinum Engagement Ring

GIA Certified Art Deco 4.51 Carat Sapphire Diamond Platinum Engagement Ring

Located in Stamford, CT

Platinum Stamped: IRID Plat 4.6 grams Width at top: 11mm Height at top: 7mm Width at bottom: 1.5mm

Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

EGL Certified .86 Carat Diamond Three-Stone Art Deco Platinum Engagement Ring
EGL Certified .86 Carat Diamond Three-Stone Art Deco Platinum Engagement Ring

EGL Certified .86 Carat Diamond Three-Stone Art Deco Platinum Engagement Ring

Located in Stamford, CT

EGL certificate #US65044603D. 2 straight baguette cut diamonds, approx. total weight .07cts, E to F, VS Size 7.25 and sizable Platinum Stamped: 10% irid Plat Width at top: 6.3mm Heig...

Category

Early 20th Century Engagement Rings

Materials

Diamond, Platinum

GIA Certified 1.49 Carat Purple Pink Sapphire Diamond Platinum Engagement Ring
GIA Certified 1.49 Carat Purple Pink Sapphire Diamond Platinum Engagement Ring

GIA Certified 1.49 Carat Purple Pink Sapphire Diamond Platinum Engagement Ring

Located in Stamford, CT

GIA certified natural no heat no enhancement purple pink Sapphire center stone in a platinum setting with two baguette and round accident diamonds. 1 purplish pink octagonal Emeral...

Category

Mid-20th Century Engagement Rings

Materials

Diamond, Pink Sapphire, Sapphire, Platinum

Antique Art Deco 0.40 Carat Emerald 1.52 Carat Diamond Platinum Cocktail Ring
Antique Art Deco 0.40 Carat Emerald 1.52 Carat Diamond Platinum Cocktail Ring

Antique Art Deco 0.40 Carat Emerald 1.52 Carat Diamond Platinum Cocktail Ring

Located in Jesmond, Newcastle Upon Tyne

This impressive emerald and diamond cocktail ring is hallmarked to the interior of the shank with the platinum mark (10% IRID PLAT). This 1920s ring is supplied with an IDGL diamond...

Category

Vintage 1920s Unknown Art Deco Cocktail Rings

Materials

Diamond, Emerald, Platinum

GIA Certified .95 Carat Oval Sapphire Diamond Halo Art Deco Platinum Ring
GIA Certified .95 Carat Oval Sapphire Diamond Halo Art Deco Platinum Ring

GIA Certified .95 Carat Oval Sapphire Diamond Halo Art Deco Platinum Ring

Located in Stamford, CT

Radiate timeless elegance with this exceptional Crafted to perfection, this ring features a stunning oval sapphire embraced by a halo of dazzling diamonds, set in lustrous platinum. ...

Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified 3.09 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring
GIA Certified 3.09 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring

GIA Certified 3.09 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring

Located in Stamford, CT

It changes from blue to violet in different lighting. 1 oval blue violet sapphire, I approx. 3.09cts GIA Certificate # 6207219105 2 tapered baguette diamonds, G VS approx. .50cts ...

Category

Mid-20th Century Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Purple Sapphire, Platinum

J.E. Caldwell GIA 1.63 Carat Sapphire Diamond Platinum Cluster Cocktail Ring
J.E. Caldwell GIA 1.63 Carat Sapphire Diamond Platinum Cluster Cocktail Ring

J.E. Caldwell GIA 1.63 Carat Sapphire Diamond Platinum Cluster Cocktail Ring

By J.E. Caldwell & Co.

Located in Stamford, CT

GIA certified center cushion cut green natural no heat sapphire in a platinum setting with 17 round brilliant and 28 baguette cut diamonds. 1 cushion cut green-blue sapphire, VS ap...

Category

Mid-20th Century Cocktail Rings

Materials

Diamond, Sapphire, Green Sapphire, Platinum

Peter Suchy GIA 2.90 Carat Sapphire Diamond Gold Platinum Engagement Ring
Peter Suchy GIA 2.90 Carat Sapphire Diamond Gold Platinum Engagement Ring

Peter Suchy GIA 2.90 Carat Sapphire Diamond Gold Platinum Engagement Ring

By Peter Suchy

Located in Stamford, CT

Created in the Peter Suchy Workshop. 1 oval blue sapphire, approx. total weight. 2.90cts. 8.47x6.59x5.60mm GIA certified# 2211919708 2 tapered baguette diamonds F-G VS approx. .72c...

Category

21st Century and Contemporary Engagement Rings

Materials

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

GIA 1.85 Carat Oval Green Sapphire Diamond Three-Stone Platinum Engagement Ring
GIA 1.85 Carat Oval Green Sapphire Diamond Three-Stone Platinum Engagement Ring

GIA 1.85 Carat Oval Green Sapphire Diamond Three-Stone Platinum Engagement Ring

Located in Stamford, CT

This beautiful rich green 1.85ct oval center sapphire is certified by the GIA as natural, no heat, green with a hint of blue. Mounted in a platinum original 1940's setting and accent...

Category

Early 20th Century Engagement Rings

Materials

Diamond, Green Sapphire, Sapphire, Platinum

GIA Natural Light Brown .80 Carat Light Brown Diamond Platinum Engagement Ring
GIA Natural Light Brown .80 Carat Light Brown Diamond Platinum Engagement Ring

GIA Natural Light Brown .80 Carat Light Brown Diamond Platinum Engagement Ring

Located in Stamford, CT

GIA certified# 1122013084 2 straight cut diamond baguettes approx. total weight .14cts G, VS1 to SI1 2 round single cut diamonds approx. total weight .02cts G, VS1 to SI1 Size 8 and ...

Category

Early 20th Century Engagement Rings

Materials

Diamond, Brown Diamond, Platinum

Large 18K Gold & Platinum Flower Earrings with 8.5mm Akoya Pearls & Diamonds
Large 18K Gold & Platinum Flower Earrings with 8.5mm Akoya Pearls & Diamonds

Large 18K Gold & Platinum Flower Earrings with 8.5mm Akoya Pearls & Diamonds

Located in Sherman Oaks, CA

Stamped "18K," plus "10% IRID PLAT" for 90% platinum, but there is no maker's mark.

Category

Mid-20th Century American Contemporary Lever-Back Earrings

Materials

Pearl, White Diamond, Cultured Pearl, Diamond, 18k Gold, Gold, Yellow Go...

C.D. Peacock, Art Deco 2.87 CTTW Diamond Engagement Ring
C.D. Peacock, Art Deco 2.87 CTTW Diamond Engagement Ring

C.D. Peacock, Art Deco 2.87 CTTW Diamond Engagement Ring

Located in Chicago, IL

Ring size: 8 3/4 Stamp: PEACOCK IRID PLAT (maker's mark). Metal: Platinum Gross weight: 5.25 grams GIA, 2026, Report No. 5232981925, 2.17 Carats, I Color, VS2 Clarity, No Fluorescence

Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Platinum

Vintage GIA Certified 1.08 Carat Diamond Engagement Ring
Vintage GIA Certified 1.08 Carat Diamond Engagement Ring

Vintage GIA Certified 1.08 Carat Diamond Engagement Ring

Located in New York, NY

The ring is stamped 5% IRID 95% PLATINUM and weighs 3.5 grams. It is currently size 6 3/4, and can easily be resized.

Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, Platinum

A Sapphire And Diamond Cluster Ring
A Sapphire And Diamond Cluster Ring

A Sapphire And Diamond Cluster Ring

Located in London, GB

This ring is in excellent condition. Marked and tested as Irid-Platinum. This vivid sapphire and diamond ring comes from the collection of Bentley & Skinner, Jewellers by Royal Appo...

Category

Mid-20th Century American Art Deco Cluster Rings

Materials

Diamond, Blue Sapphire, Platinum

  • 1
Get Updated with New Arrivals
Save "Irid Platinum", and we’ll notify you when there are new listings in this category.

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.