Skip to main content

Vintage Key Brooch

1
to
4
78
22
103
49
33
24
12
11
6
6
4
3
4
4
4
2
2
Sort By
Nettie Rosenstein Sterling Silver Key Brooch
By Nettie Rosenstein
Located in New York, NY
Nettie Rosenstein key brooch circa 1940s of rose gold plated sterling silver, decorated with a
Category

1940s American Retro Vintage Key Brooch

Materials

Gold Plate, Rose Gold, Rhodium, Sterling Silver, Gilt Metal

Alfred Phillipe for Trifari Large Key Brooch
By Alfred Philippe for Trifari
Located in New York, NY
Rare Alfred Phillipe for Trifari large key brooch of rose gold plated base metal, crystal
Category

1940s American Retro Vintage Key Brooch

Materials

Gold Plate, Base Metal, Enamel, Gilt Metal

Vintage Alfred Phillipe for Trifari Large Key Brooch
Alfred Phillipe for Trifari Large Key Brooch
Free Shipping
W 0.75 in L 4.13 in
Glass Jeweled Heart & Key Brooch Designed by Robert Rose c 1980s
Located in University City, MO
Ornate glass jeweled heart & key brooch designed by Robert Rose The large scale gilt metal brooch
Category

Late 20th Century Unknown Modern Vintage Key Brooch

Materials

Base Metal, Enamel, Gilt Metal

KARL LAGERFELD Vintage Jewelled Key Brooch
By Karl Lagerfeld
Located in Nice, FR
KARL LAGERFELD vintage gold toned key design brooch embellished with red glass crystals and faux
Category

20th Century French Vintage Key Brooch

KARL LAGERFELD Vintage Jewelled Key Brooch
KARL LAGERFELD Vintage Jewelled Key Brooch
Free Shipping
W 1.78 in L 3.27 in
Vintage Mikimoto Blue Enamel Yellow Gold Key Brooch Pin
By Mikimoto
Located in Holland, PA
18k Yellow Gold Vintage Blue Enamel Key Pin Brooch by Mikimoto. With Blue Enamel. Details
Category

1980s Japanese Vintage Key Brooch

Materials

Yellow Gold, Enamel

Vintage 1993 Angela Cummings Yellow Gold Heart Key Brooch
By Angela Cummings
Located in Beverly Hills, CA
Product details: The brooch is made out of 18k yellow gold. Hallmarks: 1993, Cummings, 18K
Category

1990s Vintage Key Brooch

Antique Retro 14 Karat Gold Ruby Heart and Key Brooch
Located in New York, NY
Antique Retro 14k rose gold and ruby open heart pin set with a key, circa 1940. The pin illustrates
Category

Mid-20th Century American Retro Vintage Key Brooch

Materials

Ruby, 14k Gold

Large Vintage Gripoix Gold Blue, Red, Green Orange Novelty Key Brooch Pin
Located in San Diego, CA
Chic vintage gold gripoix novelty brooch pin ! Features a distressed gold with gripoix glass beads
Category

1980s American Vintage Key Brooch

Lanvin Key Shaped Brooch in Gilded Metal
By Lanvin Paris
Located in SAINT-OUEN-SUR-SEINE, FR
Lanvin - Brooch composed of gilded metal representing a key made of strings. Additional
Category

1990s French Vintage Key Brooch

Materials

Gilt Metal

Vintage Lanvin Key Shaped Brooch in Gilded Metal
Lanvin Key Shaped Brooch in Gilded Metal
Free Shipping
H 3.94 in W 1.38 in
Vintage gold key dangle chain charm brooch
Located in Palos Hills, IL
DETAILS • unsigned • gold tone with faux stones • vintage designer runway brooch
Category

20th Century Vintage Key Brooch

1993 Angela Cummings 18 Karat Yellow Gold Heart Key Pin Brooch
Located in Washington Depot, CT
1993 Angela Cummings 18K Yellow Gold Heart Key Pin Brooch This authentic Angela Cummings brooch is
Category

20th Century Vintage Key Brooch

Materials

Yellow Gold

Christian Dior Vintage 1980s Logo CD Crystals Padlock Key Retro Gold Pin Brooch
By Christian Dior
Located in Wokingham, England
is gold plated stylised brooch. Safety-catch pin closure. Size: 2.4 cm x 1.4 cm. Weight: 6.0 g
Category

1980s German Art Nouveau Vintage Key Brooch

Materials

Gold Plate

Coro Craft brooch in the shape of a key with attached lock sterling gold plated
By Corocraft
Located in Stuttgart, DE
A key-shaped brooch with an attached lock designed by Coro Craft in the 1940s in sterling gold
Category

1940s Artisan Vintage Key Brooch

Materials

Citrine, Gold Plate, Silver

Vintage Safety Key Pin 18k Gold Italy
Located in Miami, FL
Vintage Safety Pin With Key 18k Gold Italy. The safety pin measures 1.5 Inch in length. The total
Category

1980s Vintage Key Brooch

Materials

18k Gold

Brooch Yellow Gold Diamond
Located in PARIS, FR
Brooch depicting a key. set with 26 diamonds. in yellow gold 750 thousandths (18 carats). brilliant
Category

20th Century French Vintage Key Brooch

Materials

Diamond, Yellow Gold

Brooch Yellow Gold Diamond
Brooch Yellow Gold Diamond
Free Shipping
W 0.82 in L 1.63 in
Yellow Gold Garnet Edwardian Solitaire Stickpin 14k Oval Greek Key Antique
Located in Greensboro, NC
Yellow Gold Garnet Edwardian Solitaire Stickpin 14k Oval Greek Key Antique Stone Information
Category

20th Century Edwardian Vintage Key Brooch

Materials

Garnet, Yellow Gold

Chanel Gold Tone Plated Turn Lock Large Big Key Chain, 1996
By Chanel
Located in Central & Western District, HK
Brand: Chanel Reference: JW321 Measurement of Logo: 2.9cm x 3.7cm Length of Key Chain: 11.5cm
Category

1990s French Vintage Key Brooch

Materials

Gilt Metal, Gold, Gold Plate

Art Deco Rose Cut Diamond Skeleton Key Jabot Pin in Platinum & 18K Gold
Located in Danvers, MA
Elegant, dainty and sparkly – this elegant key jabot pin dates to the late Edwardian to Art Deco
Category

20th Century Unknown Art Deco Vintage Key Brooch

Materials

Diamond, 18k Gold, Platinum

Vintage Yves Saint Laurent Shield Brooch 1980s
By Yves Saint Laurent
Located in Wilmslow, GB
A wonderful vintage Yves Saint Laurent shield brooch. Featuring a large target style plaque
Category

1980s Vintage Key Brooch

Retro Silver Marcasite Floral Brooch Hallmarked London 1964
Located in ADELAIDE, SA
This stunning European made marcasite floral brooch, with an import hallmark for London 1964. The
Category

1960s English Retro Vintage Key Brooch

Materials

Marcasite, Silver

Retro Ruby & Diamond Gold Floral Bow Brooch Circa 1950
Located in ADELAIDE, SA
One Retro floral ruby and diamond set bow brooch with safety chain and pin. Featuring three diamond
Category

1950s French Retro Vintage Key Brooch

Materials

Diamond, Ruby, Gold

.10 Carat Ruby Turquoise Onyx Yellow Gold Cat Brooch
Located in Stamford, CT
1950's handmade mid-century cat brooch. Oval Persian turquoise with 2 oval onyx and one ruby key
Category

Mid-20th Century Vintage Key Brooch

Materials

Onyx, Ruby, Turquoise, Gold, 18k Gold, Yellow Gold

Margaret de Patta Silver and Lapis Brooch 1947-1950
Located in New York, NY
It seems that we are in a new age for the brooch, and Portman Gallery is pleased to offer this
Category

Mid-20th Century American Modern Vintage Key Brooch

Materials

Lapis Lazuli, Silver

Margaret de Patta Silver and Lapis Brooch 1947-1950
Margaret de Patta Silver and Lapis Brooch 1947-1950
Free Shipping
H 0.4 in W 1.97 in D 0.4 in L 2.92 in
Vintage Rhino Brooch with Diamonds Set in 18k Yellow Gold
Located in London, GB
A beautiful vintage Rhino brooch set in 18k yellow gold. The brooch depicts a standing side view
Category

1970s Italian Retro Vintage Key Brooch

Materials

Diamond, 18k Gold, Yellow Gold, Gold

Estate 18K Gold Red Guilloche Enamel Cabochon Ruby Spider Brooch
Located in New York, NY
Naturalistically modeled spider brooch in 18k gold with rich red guilloche enameled body and
Category

20th Century European Art Deco Vintage Key Brooch

Materials

Ruby, 18k Gold, Enamel

Florenza Icy Blue Aurora Borealis Demi Parure, Brooch Pin, Clip on Earrings
By Florenza
Located in Milford, DE
Brooch size: 2.5 inches Earring size: 1.25 inches each Discover the enchanting allure of the
Category

Mid-20th Century American Retro Vintage Key Brooch

Thomas Gentille 1970 Geometric Round Pendant Brooch 18kt Gold Patinated Bronze
Located in Miami, FL
A pendant-brooch designed by Thomas Gentille (1936-). A sculptural piece of wearable art, created
Category

1970s American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Bronze, Copper

Thomas Gentille 1970 Geometric Inclined Fracture Pendant Brooch 18kt Gold Bronze
Located in Miami, FL
crackled eggshell on matchbox sized brooches, and unusual materials like slivers of ivory piano keys. For
Category

1970s North American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Bronze

Thomas Gentille 1970 Geometric Tubular Pendant Brooch 18kt Gold Bronze & Copper
Located in Miami, FL
A pendant-brooch designed by Thomas Gentille (1936-). A sculptural piece of wearable art, created
Category

1970s North American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Bronze, Copper

CORO 1932 “Duette” Silver Rhodium Plated Cut Steel Rhinestone Brooch Dress Clip
By Coro
Located in Thiensville, WI
stones at center top, middle, and bottom of brooch. Ornate art deco key cut out design at each end of
Category

1930s Canadian Vintage Key Brooch

Thomas Gentille 1970 Geometric Linear Pendant Brooch In Bronze And 18kt Gold
Located in Miami, FL
crackled eggshell on matchbox sized brooches, and unusual materials like slivers of ivory piano keys. For
Category

1970s American Modernist Vintage Key Brooch

Materials

Gold, 15k Gold, Yellow Gold, Bronze

Thomas Gentille 1970 Geometric Round Pendant Brooch In 18kt Gold Bronze & Copper
Located in Miami, FL
crackled eggshell on matchbox sized brooches, and unusual materials like slivers of ivory piano keys. For
Category

1970s American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Bronze, Copper

Thomas Gentille 1970 Geometric Perforation 1 Pendant Brooch In 18kt Gold Bronze
Located in Miami, FL
A pendant-brooch designed by Thomas Gentille (1936-). A sculptural piece of wearable art, created
Category

1970s North American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Bronze

Thomas Gentille 1970 Silver Geometric Pendant Brooch 18kt Gold Bronze And Lucite
Located in Miami, FL
A pendant-brooch designed by Thomas Gentille (1936-). A sculptural piece of wearable art, created
Category

1970s North American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Silver, Bronze

Thomas Gentille 1970 Yellow Geometric Pendant Brooch 18kt Gold Bronze And Lucite
Located in Miami, FL
A pendant-brooch designed by Thomas Gentille (1936-). A sculptural piece of wearable art, created
Category

1970s North American Modernist Vintage Key Brooch

Materials

Gold, Yellow Gold, Bronze, Copper

Thomas Gentille 1970 Geometric Round Pendant Brooch In 18kt Gold And Bronze
Located in Miami, FL
A pendant-brooch designed by Thomas Gentille (1936-). A sculptural piece of wearable art, created
Category

1970s North American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Bronze

Thomas Gentille 1970 Geometric Triangular Pendant Brooch In 18kt Gold And Bronze
Located in Miami, FL
crackled eggshell on matchbox sized brooches, and unusual materials like slivers of ivory piano keys. For
Category

1970s North American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Bronze

Thomas Gentille 1970 Color Gradation Brooch in 18kt Gold Bronze Copper & Lucite
Located in Miami, FL
A pendant-brooch designed by Thomas Gentille (1936-). A sculptural piece of wearable art, created
Category

1970s American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Bronze, Copper

Thomas Gentille 1970 Color Gradation Brooch in 18kt Gold Bronze Copper & Lucite
Thomas Gentille 1970 Color Gradation Brooch in 18kt Gold Bronze Copper & Lucite
Free Shipping
W 2.68 in D 0.22 in Dm 2.68 in L 2.68 in
Thomas Gentille 1970 Geometric Round Brooch in 18kt Gold Frosted Lucite Bronze
Located in Miami, FL
A pendant-brooch designed by Thomas Gentille (1936-). A sculptural piece of wearable art, created
Category

1970s American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Bronze, Copper

Thomas Gentille 1970 Geometric Round Brooch in 18kt Gold Frosted Lucite Bronze
Thomas Gentille 1970 Geometric Round Brooch in 18kt Gold Frosted Lucite Bronze
Free Shipping
W 2.85 in D 0.55 in Dm 2.85 in L 2.85 in
Thomas Gentille 1970 Ovoid Convex 2 Pendant Brooch In Bronze And 18kt Gold
Located in Miami, FL
A pendant-brooch designed by Thomas Gentille (1936-). A sculptural piece of wearable art, created
Category

1970s American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Bronze

Thomas Gentille 1970 Graffiti Wood Brooch In 18Kt Gold Ebony Bronze And Copper
Located in Miami, FL
A pendant-brooch designed by Thomas Gentille (1936-). A sculptural piece of wearable art, created
Category

1970s American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Bronze, Copper

Thomas Gentille 1970 Graffiti Wood Brooch In 18Kt Gold Ebony Bronze And Copper
Thomas Gentille 1970 Graffiti Wood Brooch In 18Kt Gold Ebony Bronze And Copper
Free Shipping
W 2.85 in D 0.35 in Dm 2.85 in L 2.85 in
Thomas Gentille 1970 Geometric Red Lucite Brooch In 18kt Gold Bronze And Copper
Located in Miami, FL
A pendant-brooch designed by Thomas Gentille (1936-). A sculptural piece of wearable art, created
Category

1970s American Modernist Vintage Key Brooch

Materials

Gold, 18k Gold, Yellow Gold, Bronze, Copper

Rare FRED PARIS Mystery Ruby & Diamond Set Leaf Pin Pendant, France 18kt
By Fred Paris
Located in Miami, FL
timeless elegance. Key Features: Material: Crafted from the finest 18kt white gold, this brooch radiates
Category

1990s French Contemporary Vintage Key Brooch

Materials

Diamond, Ruby, 18k Gold

Alfred Philippe for Trifari Fruit Salad Peacock
By Alfred Philippe for Trifari
Located in New York, NY
rhodium plated base metal, crystal rhinestone pave and key stone baguettes, small ruby and sapphire
Category

1940s American Art Deco Vintage Key Brooch

Materials

Rhodium, Base Metal, Enamel

Thomas Gentille 1970 Sculptural Hair Pin in Polychrome Sterling and Ebony Wood
Located in Miami, FL
crackled eggshell on matchbox sized brooches, and unusual materials like slivers of ivory piano keys. For
Category

1970s American Modernist Vintage Key Brooch

Materials

Sterling Silver, Enamel

Keyes (Canada) Gilded Gold "Leaf" Brooch
Located in New York, NY
Keyes wonderfully detailed gilded gold hardware "Leaf" brooch measures 1 7/8" in
Category

1980s Canadian Vintage Key Brooch

Sterling Silver Wood Dangle Brooch by Anna Greta Eker - Norway, 1960s
By Plus Norway, Anna-Greta Eker
Located in Stockholm, SE
Lovely Scandinavian design brooch/pin with four dangles of silver and wood. A special vintage
Category

Late 20th Century Norwegian Scandinavian Modern Vintage Key Brooch

Materials

Silver

Platinum and Diamond 13.05Ct. Chatelaine Pendant Necklace
Located in New York, NY
entrusted with the keys. During the 18th century, chatelaines were particularly popular. The finest were
Category

1960s American Edwardian Vintage Key Brooch

Materials

Diamond, Platinum

Mellerio Paris, A French Gold, Diamonds, Silver, and Smoky Quartz Carved Horse
By Mellerio
Located in New York, NY
a golden key to the Comte de Coutance for 10 livres. This ledger, as well as inventories dating as
Category

20th Century French Vintage Key Brooch

Materials

Jade, Quartz, Rock Crystal, Gold, Silver

Mellerio Paris, A French Gold, Diamond, Silver-Gilt, Rock-Crystal, & Lapis Horse
By Mellerio
Located in New York, NY
jeweler sold a golden key to the Comte de Coutance for 10 livres. This ledger, as well as inventories
Category

20th Century French Vintage Key Brooch

Materials

Lapis Lazuli, Rock Crystal, Gold, Silver

Arthur King 1970 Geometric Sculptural Ring In 18Kt Gold With 12.45 Cts Emerald
By Arthur King
Located in Miami, FL
of antiques, from medieval surgical instruments to ancient keys and locks. Along with women’s
Category

1970s North American Modernist Vintage Key Brooch

Materials

Emerald, Gold, 18k Gold, Yellow Gold

Mellerio Paris, French Gold, Diamonds, Silver, Lapis, and Obsidian Polo Player
By Mellerio dits Meller
Located in New York, NY
day that the jeweler sold a golden key to the Comte de Coutance for 10 livres. This ledger, as well as
Category

20th Century French Art Deco Vintage Key Brooch

Materials

Agate, Diamond, Emerald, Rock Crystal, Gold, Silver

Mellerio Paris, a French Gold, Diamonds, Silver, and Smoky Quartz Carved Horse
By Mellerio dits Meller
Located in New York, NY
key to the Comte de Coutance for 10 livres. This ledger, as well as inventories dating as far back as
Category

20th Century French Vintage Key Brooch

Materials

Jade, Quartz, Rock Crystal, Ruby, Turquoise, Amethyst, Diamond, Gold, Si...

Thomas Gentille 1970 Crackled Eggshells Pendant Bangle Bracelet in Carved Wood
Located in Miami, FL
marbleizing, achieved by crackled eggshell on matchbox sized brooches, and unusual materials like slivers of
Category

1970s American Modernist Vintage Key Brooch

Thomas Gentille 1970 Crackled Egg Shells Bangle Bracelet In Carved Wood
Located in Miami, FL
new techniques like marbleizing, achieved by crackled eggshell on matchbox sized brooches, and unusual
Category

1970s American Vintage Key Brooch

Thomas Gentille 1970 Crackled Egg Shells Bangle Bracelet In Carved Wood
Thomas Gentille 1970 Crackled Egg Shells Bangle Bracelet In Carved Wood
Free Shipping
W 5.75 in D 5.52 in Dm 7.85 in L 2.55 in
Thomas Gentille 1970 Sculptural Bangle Bracelet in Brass and Ebony Wood
Located in Miami, FL
marbleizing, achieved by crackled eggshell on matchbox sized brooches, and unusual materials like slivers of
Category

1970s American Modernist Vintage Key Brooch

Materials

Brass

Alfred Philippe 1940s Oversized Key Brooch
By Alfred Philippe for Trifari
Located in Litchfield County, CT
Vintage serpent plate oversized brooch. While it does have a shine or plated look it is Rhodium
Category

1940s Vintage Key Brooch

Chanel Gold 02p Heart and Key Brooch Pin 220582
By Chanel
Located in Forest Hills, NY
GOOD CONDITION ( 8/10 or AB ) Signs of Wear: Brooch shows minor wear and minimal light scratches. This
Category

20th Century French Vintage Key Brooch

Chanel Gold 02p Heart and Key Brooch Pin 220582
Chanel Gold 02p Heart and Key Brooch Pin 220582
Free Shipping
H 1 in W 1 in L 1 in
1940s Violin Key Diamond Platinum Brooch
Located in Frankfurt, DE
Exceptionally handcrafted piece made from 950/- platinum, designed as a stylised violin key or
Category

1940s Vintage Key Brooch

Materials

Diamond, Platinum

1940s Violin Key Diamond Platinum Brooch
1940s Violin Key Diamond Platinum Brooch
Free Shipping
W 0.96 in D 0.79 in L 1.85 in
1930s Bakelite Stylized Horse Head Pin Brooch
Located in Palm Springs, CA
Always classic, this 1930s Bakelite Stylized Horse Head Pin Brooch is a more unusual than normal
Category

1930s American Vintage Key Brooch

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

Vintage Key Brooch For Sale on 1stDibs

On 1stDibs, you can find the most appropriate vintage key brooch for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from Gold, 18k Gold and Yellow Gold — can elevate any look. Finding the perfect vintage key brooch may mean sifting through those created during different time periods — you can find an early version that dates to the 20th Century and a newer variation that were made as recently as the 20th Century. A vintage key brooch from Angela Cummings, Alfred Philippe for Trifari and Cartier — each of whom created a beautiful version of this treasured accessory — is worth considering. A vintage key brooch can be a stylish choice for most occasions, but Diamond rings, from our inventory of 6, can add a particularly distinctive touch to your look, day or night. A round cut version of this piece has appeal, but there are also baguette cut and heart cut versions for sale. Most of our vintage key brooch for sale are for women, but there are 14 pieces available to browse for men.

How Much is a Vintage Key Brooch?

The price for a vintage key brooch starts at $95 and tops out at $49,000 with these brooches, on average, selling for $733.

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 Vintage Key Brooch
  • 1stDibs ExpertFebruary 17, 2023
    To tell if a brooch is vintage, take a look at its fastener. Pieces made during the first half of the 20th century often had a long thin fastener that you push to open or close. This style of hardware is commonly known as a trombone clasp. Locking safety clasps emerged during the 1930s, and jewelers used them throughout the rest of the 20th century. You can also check brooches for a date stamp or research the maker's mark to determine who produced it. Then, consult trusted online resources to determine the age. Alternatively, you can have a certified appraiser or professional jeweler examine the piece. On 1stDibs, find a variety of brooches from some of the world's top sellers.