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Circa 1890s Victorian 14K Yellow Gold Old Mine Cut Diamond Pin
Located in Atlanta, GA
Diamond Details: Weight: 1.00ct, total weight (Approximate) Cut: Old Mine Brilliant Color: H/I Clarity: VS
Category

Antique 1890s Unknown Victorian Brooches

Materials

Diamond, 14k Gold, Yellow Gold

Old Mine Cut Diamond Pin in Platinum/18 Karat Gold/ 14 Karat Gold
Located in Chicago, IL
Pin weighs 2.40 DWT (approx. 3.73 grams). It contains 2 old mine cut diamonds weighing 0.75 CTTW, 3
Category

Early 20th Century Unknown Contemporary Brooches

Materials

Diamond, 14k Gold, 18k Gold, Platinum

Antique Russian Ruby Diamond Sapphire Stick Pin Brooch
Located in Cairo, EG
Antique pin with 3 natural gem stones ruby sapphire and old mine cut diamond pin was made during
Category

Vintage 1920s Brooches

Antique Old Mine Cut Diamond Gold Half Moon Brooch Pin
Located in New York, NY
Antique 18k gold half moon pin brooch, adorned with graduated in size old mine cut diamonds - total
Category

Antique 19th Century Brooches

Materials

Diamond, Gold

Platinum Pearl & Old Mine Cut Natural Diamond Bar Pin Brooch
Located in Baltimore, MD
Platinum Pearl & Old Mine Cut Natural Diamond Bar Pin Brooch Metal: 10.46 grams Pearls: 2.5
Category

Early 20th Century Art Deco Brooches

Materials

Diamond, Pearl, Platinum

Art Deco Old Mine Cut Diamond Platinum Pin
Located in New York, NY
This stunning platinum pin centers a sparkling old mine cut diamond that weighs 1.42ct. and is
Category

Vintage 1920s Brooches

Materials

Diamond, Platinum

Art Deco Old Mine Cut Diamond Platinum Pin
Art Deco Old Mine Cut Diamond Platinum Pin
Free Shipping
W 1.14 in L 2.4 in
Antique Victorian Mine Cut Diamond Coral Cameo Brooch Pin 2.16cttw
Located in Winter Springs, FL
Si1 to imperfect antique mine-cut diamonds (two stones chipped) and centered by a beautifully carved
Category

Antique Late 19th Century Late Victorian Brooches

Materials

Coral, Diamond, 14k Gold

Edwardian 14K Gold Platinum Topped Old Mine Cut Diamond Bar Pin
Located in Venice, CA
14K Gold Platinum Topped Old Mine Cut Diamond Bar Pin This Edwardian 14k gold bar pin is platinum
Category

20th Century Unknown Edwardian Brooches

Materials

Diamond, 14k Gold, Platinum

Antique Victorian 18k Old Mine Cut Diamond Saber Jabot Brooch Pin
Located in Winter Springs, FL
2.30cttw in G-J color Vs1-Si1 clarity original old mine cut diamonds. Dimensions/Weight: Jabot measures
Category

Antique Early 19th Century Victorian Brooches

Materials

Diamond, 14k Gold, 18k Gold

.32ct Natural Old Mine Cut Natural Diamond Tube Pin Rope Twist 14kt
Located in New York, NY
Rope Twist Tubular Pin Very Well Made .32ct natural diamonds Old Mine H-color Si-1 Clarity 2.4
Category

2010s American Brooches

Materials

Diamond, 14k Gold, Yellow Gold

Antique Deco Old Mine Rose Cut Diamond Sapphire Flower Brooch Pin 4.20cttw
Located in Winter Springs, FL
and set with approximately 4.50cttw in G-I color Vs clarity old mine cut and rose cut diamonds as well
Category

Early 20th Century Unknown Art Deco Brooches

Materials

Diamond, Platinum

Antique Victorian 18k Gold Old Mine Cut Diamond Black Enamel Cluster Pin Brooch
Located in Montclair, NJ
mine cut diamonds gently dangle below in their buttercup prong settings along with an elegant gold work
Category

Antique Early 1900s Victorian Brooches

Materials

Diamond, 18k Gold, Enamel

Vintage Mid Century Green Sapphire Pin, 2.30 carats, 18k, Two Mine Cut Diamonds
Located in Brooklyn, NY
Featuring a whopping 2.3 carat green sapphire and two mine cut diamonds weighing 0.4 cts, this luxe
Category

Vintage 1950s Modern Brooches

Materials

Diamond, Green Sapphire, 18k Gold

Art Deco Platinum Pin Old Mine Diamonds 4.50 Carat
Located in MIAMI, FL
natural old mine cut diamonds. The diamonds in the design are all set in the center in a symmetrical row
Category

Early 20th Century Unknown Art Deco Brooches

Materials

Diamond, Platinum

Vintage Old Mine Cut Diamond Filigree Bar Pin Brooch Platinum and 14 Karat Gold
Located in Scottsdale, AZ
. The stunning pin features a single Old Mine Cut diamond (H-SI1) bezel set at the center of the piece
Category

Early 20th Century Unknown Edwardian Brooches

Materials

Diamond, Gold, 14k Gold, White Gold, Platinum

Art Deco Old Mine Cut Diamond Blue Enamel Bar Brooch Pin Antique Edwardian Box
Located in New York, NY
This is a stunning antique Art Deco - Edwardian Old Mine Cut Diamond and Royal Blue Enamel Bar
Category

Early 20th Century Unknown Art Deco Brooches

Materials

Diamond, Gold, 14k Gold, White Gold, Enamel

Antique Old Mine Cut Diamond Flower Brooch
Located in Chicago, IL
mine cut brilliant diamonds. Estimated total diamond weight is over 7 carats. Marked on pin guard
Category

Antique 1880s Victorian Brooches

Materials

Diamond, White Diamond, Gold, 18k Gold, Silver

Vintage Old Mine Brilliant Diamond and Pearl Pin/Brooch
Located in Atlanta, GA
Item Details: Metal Type: 14k Yellow Gold [Tested] Weight: 5.6 grams Diamond Details: Weight
Category

Antique 1890s American Victorian Brooches

Materials

Diamond, Pearl, 14k Gold

Edwardian Old Mine Diamond Wishbone Brooch Pin Pendant 14K Gold
By Estate Jewelry
Located in East Brunswick, NJ
Edwardian Old Mine Diamond Wishbone Brooch Pin Pendant 14K Gold This gorgeous Edwardian circa 1890
Category

Early 20th Century Brooches

Materials

Diamond, 14k Gold, Yellow Gold, Platinum

Edwardian Old Mine Diamond Horseshoe Brooch Pin 18k Gold & Platinum
By Estate Jewelry
Located in East Brunswick, NJ
Old Mine Diamond Horseshoe Brooch Pin 18K Gold Platinum Edwardian This gorgeous Edwardian circa
Category

Antique Early 1900s Edwardian Brooches

Materials

Diamond, 18k Gold, Platinum

1900 Edwardian 14K Rose Gold .20ct Old Mine Diamond Stick Pin
Located in Atlanta, GA
Diamond Details: Weight: .20ct Cut: Old Mine Color: I Clarity: VS Pin Measurements: Skin to Top of Pin
Category

Antique Early 1900s Edwardian Brooches

Materials

Diamond, 14k Gold, Rose Gold

Antique Georgian Old Mine Diamond Circle Tie/Lapel Pin, England, 18th Century
Located in New York, NY
Large beautifully made antique old mine diamond tie/lapel pin featuring nineteen diamonds set in a
Category

Antique 1730s British Georgian Brooches

Materials

Diamond

Antique Victorian 18k Yellow Gold Old Mine Diamond En Tremblant Flower Pin
Located in Great Neck, NY
flower pin is crafted in 18k yellow gold with a white gold clasp. The flower has old mine cut diamonds
Category

Antique 1890s Unknown Victorian Brooches

Materials

Diamond, Yellow Gold

Yellow Gold Diamond Victorian Mourning Brooch -14k Mine Memento Mori Antique Pin
Located in Greensboro, NC
Diamond Cut: Mine Style: Mourning Brooch Fastening Type: Hinged Pin and C-Clasp Theme: Memento Mori
Category

Antique 1860s Victorian Brooches

Materials

Diamond, 14k Gold, Yellow Gold

Tiffany & Co. 2.5 Carat Old Mine Diamond Platinum Brooch Pin 1900 Antique
By Tiffany & Co.
Located in New York, NY
approximately 2.5 Carats of magnificent Old Mine Cut Tiffany Diamonds set in Platinum in an open work scroll and
Category

Early 20th Century American Edwardian Brooches

Materials

Diamond, Platinum

Art Deco Platinum 6.0 Carat Old Euro and Mine Cut Diamond Filigree Brooch Pin
Located in Montclair, NJ
baskets. The brooch is then drenched with petite old mine cut diamonds which total approximately 1.20
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Platinum

Antique Art Deco 18K Yellow Gold Platinum Old Mine Diamond Buckle Pin
Located in Great Neck, NY
is crafted in 18K yellow gold and platinum top. It has old mine cut diamonds all over the pin and is
Category

Vintage 1910s Unknown Art Deco Brooches

Materials

Diamond, Yellow Gold, Platinum

1950's Old Mine Diamonds Ruby Pin/Brooch 62x53MM 18K Gold
Located in Chicago, IL
Pin/brooch featuring Old mine cut diamond bezel and prong set, flanked with channel set Synthetic
Category

Antique Late 19th Century Unknown Retro Brooches

Materials

Diamond, Ruby, 18k Gold

Edwardian 14K Gold Platinum 6ctw Old Mine Diamond Snow Flake Pin Brooch Pendant
Located in Montclair, NJ
--Stone(s):-- (25) Natural Genuine Diamonds - Chunky Cushion Old Mine Cut - Prong Set - VS2-I2
Category

Vintage 1910s Edwardian Brooches

Materials

Diamond, 14k Gold, Platinum

Yellow Gold Diamond Pearl Victorian Circle Spiral Stickpin -14k Mine Antique Pin
Located in Greensboro, NC
Diamond Cut: Mine Natural Seed Pearls Style: Stickpin Theme: Intertwined Circle Spiral Measurements
Category

Antique 1870s Victorian Brooches

Materials

Diamond, Pearl, 14k Gold, Yellow Gold

Antique 7 Ct Old Mine Cut Diamond Flower Brooch 1880s
Located in Chicago, IL
mine cut brilliant diamonds. Estimated total diamond weight is over 7 carats. Marked on pin guard
Category

Antique 1880s Victorian Brooches

Materials

Diamond, White Diamond, Gold, 18k Gold, Silver

18 Karat Yellow Gold & Old Mine Cut Diamond Bar Brooch
Located in Brisbane City, QLD
An exquisite handmade yellow gold and diamond bar brooch set with five Old Mine Cut Diamonds. The
Category

Antique 19th Century Victorian Brooches

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Old Mine Cut Diamond Onyx Platinum Brooch
Located in New York, NY
This gorgeous platinum pin from the Art Deco era, is centered with a sparkling old mine cut diamond
Category

Early 20th Century Art Deco Brooches

Materials

Diamond, Onyx, Platinum

Old Mine Cut Diamond Onyx Platinum Brooch
Old Mine Cut Diamond Onyx Platinum Brooch
Free Shipping
W 0.86 in L 1.92 in
Antique 14 Karat White Gold Old Mine Cut Diamond Ring
Located in Coral Gables, FL
14 Karat White Gold Antique Pin to Ring Conversion Featuring 44 Old Mine Cut Diamonds Of VS & SI
Category

Antique Late 19th Century Cluster Rings

Materials

Diamond, 14k Gold, White Gold

Antique Victorian 18K Yellow Gold Silver Top Old Mine Diamond and Sapphire Pin
Located in Great Neck, NY
gorgeous Victorian pin has old mine cut diamonds and sapphire on the pin. The sapphires are bright blue and
Category

Antique 1860s Victorian Brooches

Materials

Diamond, Sapphire, Yellow Gold, Silver

Victorian Old Mine Cut Diamond Crescent Moon with Bow Brooch
Located in Venice, CA
topped and gold backed, encrusted with 56 stunning Old Mine Cut diamonds. The brooch embodies everything
Category

Antique Early 1900s French Victorian Brooches

Materials

Diamond, 14k Gold, Yellow Gold, Silver

Victorian 18 Karat Gold 2.40 Carat Old Mine Diamond Flower Dangle Bar Pin Brooch
Located in Montclair, NJ
old mine cut diamonds and 10 handmade six-petal flowers that dangle in an alternating pattern from
Category

Antique 1890s Victorian Brooches

Materials

Diamond, 18k Gold

Art Deco Brooch Old Mine Cut Baguette Diamond Double Clip
Located in Berkeley, CA
This exquisite Art Deco Diamond Brooch is full of beautiful baguette diamonds and pristine old mine
Category

Early 20th Century Unknown Art Deco Brooches

Materials

Diamond, White Gold, Platinum

Platinum Art Deco Onyx & 7.00ct Old Mine Cut Diamond Brooch Brooch
Located in Atlanta, GA
Diamond Details: GIA Report# : 52229844958 Weight: 1.74 Cut: Old Mine Brilliant Color: J Clarity: SI1 Side
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Platinum

Yellow Gold Diamond & Pearl Art Deco Bar Brooch 14k Mine Ct Vintage Filigree Pin
Located in Greensboro, NC
Diamond Carat(s): .05ct Cut: Mine Color: G Clarity: SI1 Natural Seed Pearls Style: Bar Brooch Fastening
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Pearl, 14k Gold, Yellow Gold

Victorian Natural Pearl 4.60 Ct Old Mine Cut Diamond Brooch Pendant
Located in Napoli, IT
natural salt water pearl of 7,9 mm – 3 rows of old mine cut diamonds and more 3 old mine cut diamonds on
Category

Antique 1860s European Victorian Pendant Necklaces

Materials

Diamond, Natural Pearl, 18k Gold, Silver

Tiffany & Co. Old Mine Diamond Enamel Flower Lily Brooch Pin 1900 Antique Gold
By Tiffany & Co.
Located in New York, NY
This is an extraordinary antique Old Mine Cut Diamond Enamel Flower Brooch in its Tiffany & Co
Category

Early 20th Century American Art Nouveau Brooches

Materials

Diamond, Gold, 14k Gold, Yellow Gold, Enamel

Victorian 1.50ct Old Mine Cut Diamond Star Brooch and Pendant, circa 1880
Located in Lancashire, Oldham
19th century comprising of approx 1.50ct of Old Mine cut diamonds. This quaint brooch, measuring 32mm
Category

Antique 1880s Victorian Brooches

Materials

Diamond, 18k Gold, Silver

Antique Old Mine Cut Diamond Silver on Gold Brooch and Pendant, circa 1880
Located in London, GB
Beautiful antique flower brooch/pendant featuring 31 old mine cut diamonds with a total approximate
Category

Antique 1880s Unknown Victorian Brooches

Materials

Diamond, Gold, Silver

1900s Cameo Painted Renaissance Ring .15 Carat Old Mine Cut Diamonds
Located in Laguna Hills, CA
old mine cuts and consists of eleven pieces having an estimated weight of .15 carat. The encased bezel
Category

Antique 19th Century French Renaissance Cocktail Rings

Materials

Diamond, 14k Gold, Rose Gold, Yellow Gold

Art Deco 5.50 Carat Old European Cut Diamond Platinum Brooch Pin
Located in Beverly Hills, CA
Beautiful platinum art deco diamond brooch with 5.50 carats of old European cut diamonds. There is
Category

Vintage 1920s European Art Deco Brooches

Materials

Diamond, White Diamond, Platinum

Antique 19th Century Old Mine Cut Diamond Crescent Moon Star Brooch Yellow Gold
Located in Lisbon, PT
Antique 19th century Old Mine-cut Diamond crescent moon with star brooch / pendant in yellow gold
Category

Antique Mid-19th Century Unknown Victorian Brooches

Materials

Diamond, Gold, Yellow Gold

Antique Victorian Gold & Silver 3.18ctw Old Cut Diamond Star Pendant & Hair Pin
Located in Staines-Upon-Thames, GB
old mine cut diamond, twenty-seven smaller old mine cut diamonds, and eighteen rose cut diamonds, set
Category

Antique Late 19th Century British Victorian Pendant Necklaces

Materials

Diamond, Gold, Silver

Vintage Art Deco Old Mine Cut Diamond Filigree Brooch 14 Karat White Gold
Located in Scottsdale, AZ
Gold Closure: Hinged stick pin Natural Diamonds: .45 ctw Diamond Cut: Old Mine Diamond Color: G-H-I
Category

Early 20th Century Unknown Art Deco Brooches

Materials

Diamond, Gold, 14k Gold, White Gold

Early Victorian 14k Gold Emerald Mine Diamond Sword Cigar Cutter Brooch Pin
Located in Montclair, NJ
fine quality, bead set, old mine cut diamonds totaling approximately 0.28 carats in weight. The
Category

Antique 1890s Early Victorian Brooches

Materials

Diamond, Emerald, 14k Gold

14K Antique Russian No Heat Beryl, Onyx, and Old Mine Diamond Brooch Pin
Located in Miami, FL
(Ural Region) ✔ Diamonds: 68pc Old Mine, ~2.00ct ✔ Diamond Cut: Old Mine ✔ Diamond Weight: ~2.00 carats
Category

Early 20th Century Russian Art Nouveau Brooches

Materials

Onyx, Green Beryl, White Diamond, Diamond, Beryl, White Gold, 14k Gold, ...

Art Nouveau Petite Gold Flower Brooch Pin with Old Cut Diamond & Pearl
Located in Danvers, MA
pearl, and a tiny but fiery old mine cut diamond sparkles like a spot of dew on one petal. The small
Category

Antique Early 1900s American Art Nouveau Brooches

Materials

Diamond, Pearl, 14k Gold

Stunning Antique Platinum Diamond Pin
Located in San Francisco, CA
Old Cut diamonds average G-H color and VS2-SI1 clarity. The pin is in good working order, and is sure
Category

Antique 1890s Unknown Art Deco Brooches

Materials

Diamond, Platinum

Stunning Antique Platinum Diamond Pin
Stunning Antique Platinum Diamond Pin
Free Shipping
W 1.5 in L 1.5 in
Antique Victorian 18K Yellow Gold Old Cut Emerald and Diamond Sword Stick Pin
Located in Great Neck, NY
the handle and hilt adorned in natural emeralds and old mine cut diamonds. The pin in great condition
Category

Antique 1890s Victorian Brooches

Materials

Diamond, Emerald, Gold, 18k Gold, Yellow Gold

Antique 18k Gold Silver Hand Enamel Portrait & Old Cut Diamond Frame Pin Brooch
Located in Montclair, NJ
cushion old mine cut diamonds that nicely stand out with their larger size. These fine stones brilliantly
Category

Antique 1870s Early Victorian Brooches

Materials

Diamond, 18k Gold, Silver, Enamel

Antique Diamond Turquoise Gold Brooch Pin
Located in New York, NY
Antique 14k gold brooch, set with old mine cut diamonds - approx. 3.00ctw and turquoise. Center old
Category

Antique 19th Century Brooches

Materials

Diamond, Turquoise, Gold

Vintage 3.50ct Diamond Horse Shoe Pin / Pendant
Located in New York, NY
old mine cut diamonds that weigh approximately 3.50ct. The color of the diamonds is H with VS clarity
Category

20th Century Brooches

Materials

Diamond, Platinum

Antique Diamond Gold Anchor Brooch Pin
Located in Chicago, IL
embellished with old European, old mine, and rose cut diamonds, and are accented with three pearls. The
Category

Antique Late 19th Century Victorian Brooches

Materials

Diamond, Gold

Etruscan Revival 15K Gold Bar Brooch w/ Mine Cut Diamonds, U.K., Circa 1870's
Located in Chatham, CA
Victorian Etruscan Revival 15K yellow gold bar brooch/pin - set with three old mine cut diamonds
Category

Antique Late 19th Century British Etruscan Revival Brooches

Materials

Diamond, 15k Gold, Yellow Gold

Antique Art Deco 18K Yellow Gold Old Cut Diamond and Demantoid Stick Pin
Located in Great Neck, NY
Beautiful Antique Art Deco 18K Yellow Gold Old Cut Diamond and Demantoid Stick Pin. This beautiful
Category

Vintage 1920s Art Deco Brooches

Materials

Diamond, Garnet, Gold, 18k Gold, Yellow Gold, Platinum

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Mine Cut Diamond Pin For Sale on 1stDibs

On 1stDibs, you can find the most appropriate mine cut diamond pin for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Gold, 14k Gold and Platinum. If you’re looking for a mine cut diamond pin from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 19th Century while another version may have been produced as recently as the 20th Century. For this particular piece, .5 Carat and 1 Carat are consistently popular carat weights. A mine cut diamond pin from Cartier — each of whom created a beautiful version of this treasured accessory — is worth considering. Today, if you’re looking for an old mine cut version of this piece and are unable to find the perfect match, our selection also includes old european cut and cushion cut alternatives. Finding a mine cut diamond pin for sale for women should be easy, but there are 12 pieces available to browse for unisex as well as men, too.

How Much is a Mine Cut Diamond Pin?

On average, a mine cut diamond pin at 1stDibs sells for $1,829, while they’re typically $325 on the low end and $19,995 for the highest priced versions of this item.

Finding the Right brooches for You

Antique and vintage brooches, which are decorative jewels traditionally pinned to garments and used to fasten pieces of clothing together where needed, have seen increasing popularity in recent years.

Given their long history, brooches have expectedly taken on a variety of different shapes and forms over time, with jewelers turning to assorted methods of ornamentation for these accessories, including enameling and the integration of pearls and gemstones.

Cameo brooches that originated during the Victorian age are characterized by a shell carved in raised relief that feature portraits of a woman’s profile, while 19th-century micromosaic brooches, comprising innumerable individually placed glass fragments, sometimes feature miniature depictions of a pastoral scene in daily Roman life.

At one time, brooches were symbols of wealth, made primarily from the finest metals and showcasing exquisite precious gemstones. Today, these jewels are inclusive and universal, and you don’t have to travel very far to find an admirer of brooches. They can be richly geometric in form, such as the ornate diamond pins dating from the Art Deco era, or designer-specific, such as the celebrated naturalistic works created by Tiffany & Co., the milk glass and gold confections crafted by Trifari or handmade vintage Chanel brooches of silk or laminated sheer fabric.

Brooches are versatile and adaptable. These decorative accessories can be worn in your hair, on hats, scarves and on the lower point of V-neck clothing. Pin a dazzling brooch to the lapel of your blazer-and-tee combo or add a cluster of smaller pins to your overcoat. And while brooches have their place in “mourning jewelry,” in that a mourning brooch is representative of your connection to a lost loved one, they’re widely seen as romantic and symbolic of love, so much so that a hardcore brooch enthusiast might advocate for brooches to be worn over the heart.

Today, find a wide variety of antique and vintage brooches on 1stDibs, including gold brooches, sapphire brooches and more.

Questions About Mine Cut Diamond Pin
  • 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.