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Estate Platinum Diamond and Ruby Ring
Located in Miami, FL
Composition: Platinum Stones: • 1 Old mine cut diamond of I-VS2 quality that weighs 0.35ctw. • 6
Category

Mid-20th Century Unknown Art Deco Wedding Rings

Materials

Diamond, Ruby, Platinum

Estate Platinum Diamond and Sapphire Ring
Located in Miami, FL
Composition: Platinum Stones: • 1 Old mine cut diamond of H-VS2 quality that weighs 0.35ctw. • 6
Category

Mid-20th Century Unknown Art Deco More Rings

Materials

Diamond, Sapphire, Platinum

Estate Platinum Diamond and Emerald Ring
Located in Miami, FL
Composition: Platinum Stones: • 1 Old mine cut diamond of H-VS2 quality that weighs 0.25ctw. • 6
Category

Mid-20th Century Unknown Art Deco More Rings

Materials

Diamond, Emerald, Platinum

Estate Handmade Platinum Emerald and Diamond Ring
Located in Miami, FL
Composition: Platinum • 1 Colombian natural emerald 1.15ctw. • 56 old mine cut diamonds H-VS1
Category

Mid-20th Century Unknown Art Deco Engagement Rings

Materials

Diamond, Emerald, Platinum

Estate Platinum Emerald Onyx and Diamond Ring
Located in Miami, FL
Composition: Platinum Stones: • 1 Natural emerald 1ctw approx. • 22 Old mine cut diamonds H-VS2
Category

Mid-20th Century Unknown Art Deco More Rings

Materials

Diamond, Emerald, Onyx, Platinum

Estate Platinum 2.94 Carat Emerald and Diamond Ring
Located in Miami, FL
weighs 2.94ctw. • 40 Old mine cut diamonds of H-VS2 quality that weigh 0.95ctw. Ring size: 6 ¾ Ring
Category

Vintage 1920s Unknown Art Deco Fashion Rings

Materials

Diamond, Emerald, Platinum

Platinum Estate Handmade Natural Sapphire and Diamonds Ring
Located in Miami, FL
Composition: Platinum Stones: • 1 Natural oval cut sapphire 1.66ctw. • 72 Old mine cut diamonds H
Category

Mid-20th Century Unknown Art Deco More Rings

Materials

Diamond, Sapphire, Platinum

Estate 18 Karat Gold Diamond and Emerald Ring
Located in Miami, FL
weighs 0.90ctw. • 1 natural tear shape diamond of L-SI1 quality that weighs 0.80ctw. • 30 Old mine cut
Category

Mid-20th Century Unknown Victorian More Rings

Materials

Diamond, Emerald, 18k Gold

Estate Platinum 3.60 Carat Opal and 1.10 Carat Diamond Ring
Located in Miami, FL
measures 16mm by 9mm • 70 Old mine cut diamonds of H-VS2 quality that weigh 1.10ctw. Ring size: 6
Category

1990s Unknown Fashion Rings

Materials

Diamond, Opal, Platinum

Estate 18 Karat Gold 1 Carat Diamond Engagement Ring
Located in Miami, FL
Period: Art Deco (1920-1935) Composition: 18K gold and platinum Stones: • 1 Old mine cut diamond
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, 18k Gold

Russian, Estate from 1800s, 22 Karat Rose Cut Diamond, Red Stone Lavalier
Located in Aliso Viejo, CA
Russian, Estate from 1800's, 22Kt Rose Cut Diamond, Red Stone Lavalier. Russian Family Estate
Category

Antique 17th Century Russian Georgian Pendant Necklaces

Materials

Diamond, Garnet, 22k Gold

Georgian Floral Pendant
Located in Litchfield County, CT
This pendant has a wonderful aesthetic and beautiful old mine cut diamonds. Estate piece from a
Category

Antique Early 19th Century Georgian Drop Necklaces

Materials

Diamond, Sterling Silver

Estate Platinum Antique Mine Cut Diamond and Ruby Ring
Located in Miami, FL
Composition: Platinum • 1 old mine cut diamond I-VS1 0.64ctw. • 16 natural calibrated cut rubies
Category

Vintage 1950s Unknown Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Estate Platinum Emeralds and Old Mine Diamond Earrings
Located in Miami, FL
weigh 0.46ctw. (0.23ctw. each). • 30 Single cut diamonds of I-VS2 quality that weigh 0.71ctw. Earrings
Category

Late 20th Century Unknown Art Deco Dangle Earrings

Materials

Emerald, Diamond, Platinum

Estate Handmade 18K and Platinum Emerald Old Mine Cut Diamonds Ring
Located in Miami, FL
. ·44 Old mine cut diamonds of G-VS2 quality that weigh 1ctw. ·22 natural calibrated cut emerald that
Category

Early 20th Century Unknown Art Deco Engagement Rings

Materials

Emerald, 18k Gold, Platinum

Estate Platinum Diamond and Sapphire Ring
Located in Miami, FL
natural calibrated French cut sapphire that weigh 1ctw. • 4 Old mine cut diamonds of H-VS2 quality that
Category

Mid-20th Century Unknown Art Deco More Rings

Materials

Diamond, Sapphire, Platinum

Estate Platinum 1.1 Carat Diamond and Sapphire Ring
Located in Miami, FL
Period: Art Deco (1920-1935) Composition: Platinum Stones: • 1 Old mine cut diamond of H-SI1
Category

Vintage 1920s Unknown Art Deco More Rings

Materials

Diamond, Sapphire, Platinum

Platinum Estate Handmade Natural Sapphire and Diamond Ring
Located in Miami, FL
Composition: Platinum Stones: • 1 Natural oval cut sapphire 1.66ctw. • 72 Old mine cut diamonds H
Category

Mid-20th Century Unknown Art Deco Engagement Rings

Materials

Diamond, Sapphire, Platinum

Estate Platinum Natural GIA Ruby and Diamonds Ring
Located in Miami, FL
Composition: Platinum • 1 natural ruby 5ctw (Gia Certified.) • 30 old mine cut diamonds H-VS1
Category

Mid-20th Century Unknown Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

Estate Platinum 3 Stones Diamonds and Sapphires Ring
Located in Miami, FL
This is an absolutely stunning piece of jewelry that holds three central old mine cut diamonds of J
Category

Mid-20th Century Unknown Art Deco Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Estate Platinum 1.20 Carat Ruby and Diamond Ring
Located in Miami, FL
diamonds of H-VS2 quality that weigh 0.60ctw. • 26 Old mine cut diamonds of H-VS2 quality that weigh
Category

Mid-20th Century Unknown Art Deco More Rings

Materials

Diamond, Ruby, Platinum

Estate Handmade Platinum Diamonds and Sapphires Halo Ring
Located in Miami, FL
One old mine cut diamond of H-VS2 quality that weighs 0.45ctw constitutes the glowing central stone
Category

Mid-20th Century Unknown Art Deco Solitaire Rings

Materials

Diamond, Sapphire, Platinum

Handmade Estate Platinum Sapphire, Diamonds and Emeralds Ring
Located in Miami, FL
Composition: Platinum Stones: • 1 Natural oval cut sapphire 1.50ctw. • 24 Old mine cut diamonds H
Category

Mid-20th Century Unknown Art Deco More Rings

Materials

Diamond, Emerald, Sapphire, Platinum

Estate Platinum Natural Burma Ruby Engagement Ring
Located in Miami, FL
Composition: Platinum • 1 natural emerald cut Burma ruby 1ctw. • 20 old mine cut diamonds G-VS2
Category

Mid-20th Century Unknown Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

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Estate Mined Diamonds For Sale on 1stDibs

There is a broad range of estate mined diamonds for sale on 1stDibs. Frequently made of Gold, 14k Gold and 18k Gold, these items were constructed with great care. Our collection of these items for sale includes 43 vintage editions and 3 modern creations to choose from as well. Our inventory has long been popular, and it includes earlier versions that date to the 18th Century and newer variations that were made as recently as the 21st Century. Art Deco and Retro are consistently popular styles when it comes to estate mined diamonds. Many examples in our inventory of these items are appealing no matter their origins, but Diamonds Mine, Emeralds Maravellous and Five Star Jewelry produced popular versions that are worth a look. A selection of old mine cut, old european cut and round cut can be found today on these pages. If you’re browsing the variety of estate mined diamonds for sale, you’ll find that many are available today for women, but there are still pieces to choose from for men.

How Much are Estate Mined Diamonds?

Prices for estate mined diamonds start at $495 and top out at $143,695 with these rings, on average, selling for $2,920.

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.  

Questions About Estate Mined Diamonds
  • 1stDibs ExpertFebruary 22, 2021
    A mine cut diamond is an antique diamond cut known for its bulky and often uneven shape, cutlet, and tiny table. This type of diamond cut was quite popular in the mid-1800s to the early-1900s
    Mine cut diamonds are typically called OLD MINE CUTS, This type of cutting started in the early 1700s. The shapes are typically cushion shape and the cutting was done all by hand. Though they do not have the sparkle of modern cut diamonds, when they sparkle in sunlight or candle light, they have this beautiful alluring shimmer.
  • 1stDibs ExpertApril 5, 2022
    Mine cut diamonds are up to 300 years ago. Mine cut diamonds were popular around the 18th century during Victorian times and are still in high demand today. You’ll find a wide selection of mine cut diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    Because the old mine cut is no longer used on diamonds, diamonds with this cut are rare and so you can often get quite a lot of money for them. Nevertheless, it is still dependent on the quality of the individual diamonds and on the color, clarity, cut and carat number.
  • 1stDibs ExpertFebruary 22, 2021
    Old mine cut diamonds are usually worth less than old european cut diamonds. Because they are generally 10-15% less expensive, they are often larger than other cut diamonds for engagement rings.
  • Like any other diamond, an old mine cut diamond's worth depends on a variety of factors. These factors include the 4C's (color, clarity, cut, carat), the overall beauty and "make" of the stone, the demand, supply, etc. On average however, old mine cuts are typically priced slightly lower (around 5-10%) than modern cut diamonds.