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12k Gf

Vintage gold 12k gf natural green jade beads leafs crystal spacers necklace
Vintage gold 12k gf natural green jade beads leafs crystal spacers necklace

Vintage gold 12k gf natural green jade beads leafs crystal spacers necklace

Located in Palos Hills, IL

DETAILS • stamped 12k gf - gold filled • gold filled with natural jade beads and few crystal beads • vintage designer necklace MEASUREMENTS  •  CONDITION • very good vintage...

Category

Late 20th Century Beaded Necklaces

Vintage James Avery Custom 12K GF Pin Shaped Like Flag w/ Star & RW Initials
Vintage James Avery Custom 12K GF Pin Shaped Like Flag w/ Star & RW Initials

Vintage James Avery Custom 12K GF Pin Shaped Like Flag w/ Star & RW Initials

Located in Addison, TX

Brand: James Avery Type: Pin Metal Purity: 12k/20k Gold Filled Color: Gold Weight: 5.7g Main Stone: No Stone James Avery Custom 12K Gold Filled Pin Shaped Like Flag w/ Star & RW Init...

Category

20th Century Brooches

Materials

Gold

WELLS 12k gold filled little duck designer brooch
WELLS 12k gold filled little duck designer brooch

WELLS 12k gold filled little duck designer brooch

Located in Palos Hills, IL

DETAILS • signed WELLS 1/20 12k GF • gold filled • vintage designer brooch MEASUREMENTS • CONDITION • very good vintage condition with minimal signs of wear Sku 44...

Category

Vintage 1980s Brooches

Sarah Coventry Open Back Green Gemstone 12K Gold Filled Pin Brooch Pendant
Sarah Coventry Open Back Green Gemstone 12K Gold Filled Pin Brooch Pendant

Sarah Coventry Open Back Green Gemstone 12K Gold Filled Pin Brooch Pendant

By Sarah Coventry

Located in Milford, DE

A pin/pendant by Sarah Conventry, featuring a marbled green oval gemstones set in an open back decorative golden bezel. 12K gold filled. Circa Late 1900s. Tags, Marks, Hallmarks: ...

Category

20th Century American Retro Brooches

Materials

Gold-filled

Large Dimensional Sterling & 12K Gold-Filled Flower Pin – 1940s Retro Brooch
Large Dimensional Sterling & 12K Gold-Filled Flower Pin – 1940s Retro Brooch

Large Dimensional Sterling & 12K Gold-Filled Flower Pin – 1940s Retro Brooch

Located in Milford, DE

Crafted in sterling silver and 12K gold-filled metal (marked 1/20 12K GF & Sterling), this brooch is both collectible and wearable.

Category

Mid-20th Century Retro Brooches

Materials

Sterling Silver, Gold-filled

Retro Sterling Silver and 12K Gold-Filled Floral Spray Brooch, 1940s
Retro Sterling Silver and 12K Gold-Filled Floral Spray Brooch, 1940s

Retro Sterling Silver and 12K Gold-Filled Floral Spray Brooch, 1940s

Located in Milford, DE

Stamped “STERLING 1/20 12K GF,” this piece combines the durability of sterling with the warmth of gold, characteristic of fine American costume jewelry from the mid-20th century.

Category

Late 20th Century American Artisan Brooches

Materials

Sterling Silver, Gold-filled

Phyllis 1/20 12K Gold-Filled Pink and Clear Rhinestone Starburst Brooch Pendant
Phyllis 1/20 12K Gold-Filled Pink and Clear Rhinestone Starburst Brooch Pendant

Phyllis 1/20 12K Gold-Filled Pink and Clear Rhinestone Starburst Brooch Pendant

Located in Milford, DE

Marked “Phyllis 1/20 12K GF” on the reverse, this versatile accessory doubles as both a brooch and a pendant with a hidden bail, allowing it to be worn as a statement necklace center...

Category

Late 20th Century American Artisan Brooches

Materials

Gold-filled

Mid-Century 12K Gold-Filled Brooch with Natural Baltic Amber Pear Figural Pin
Mid-Century 12K Gold-Filled Brooch with Natural Baltic Amber Pear Figural Pin

Mid-Century 12K Gold-Filled Brooch with Natural Baltic Amber Pear Figural Pin

Located in Milford, DE

The sculpted gold-filled leaves and twisted stem add a refined botanical touch, typical of high-quality 1950s–1960s design. Marked “12K GF”, this collectible figural brooch is both ...

Category

Mid-20th Century American Artisan Beaded Necklaces

Materials

Amber, Gold-filled

Abalone Gemstone and Art Glass Necklace
Abalone Gemstone and Art Glass Necklace

Abalone Gemstone and Art Glass Necklace

Located in Miami Beach, FL

Marked on the clasp: 1/20 12K GF

Category

Late 20th Century Pendant Necklaces

Materials

Quartz, Gold-filled

Vintage Floral Brooch – Sterling Silver & 1/20 12K Gold Filled
Vintage Floral Brooch – Sterling Silver & 1/20 12K Gold Filled

Vintage Floral Brooch – Sterling Silver & 1/20 12K Gold Filled

Located in Milford, DE

Material: Sterling Silver (base), 1/20 12K Gold Filled overlay Markings: Stamped Sterling and 1/20 12K GF on reverse Stone: None (no rhinestones or gems) Dimensions: Approx. 2.5" x ...

Category

Mid-20th Century Retro Brooches

Materials

10k Gold, Gold-filled, Sterling Silver

Krementz 12K Gold-Filled Sterling Floral Pin Pendant, Retro Convertible Brooch
Krementz 12K Gold-Filled Sterling Floral Pin Pendant, Retro Convertible Brooch

Krementz 12K Gold-Filled Sterling Floral Pin Pendant, Retro Convertible Brooch

Located in Milford, DE

A ribbon-like leaf sweeps upward, adding sculptural flair and dimension. Signed “1/20 12K GF on Sterling” and bearing the Krementz hallmark, this mid-20th century design reflects th...

Category

Mid-20th Century Retro Brooches

Materials

10k Gold, Gold-filled, Sterling Silver

H.F. Barrows Retro 12K Gold-Filled Floral Spray Brooch with Ribbon Detail
H.F. Barrows Retro 12K Gold-Filled Floral Spray Brooch with Ribbon Detail

H.F. Barrows Retro 12K Gold-Filled Floral Spray Brooch with Ribbon Detail

Located in Milford, DE

Barrows hallmark—a distinctive “H” within a hexagon—and a clear “1/20 12K GF” mark. This brooch dates to the 1940s–1950s, when gold-filled jewelry was highly sought after for its lux...

Category

Mid-20th Century Retro Brooches

Materials

Gold-filled, Sterling Silver

Krementz 12K Gold-Filled Sterling Dogwood Floral Pin Pendant, Retro Convertible
Krementz 12K Gold-Filled Sterling Dogwood Floral Pin Pendant, Retro Convertible

Krementz 12K Gold-Filled Sterling Dogwood Floral Pin Pendant, Retro Convertible

Located in Milford, DE

The reverse is marked “1/20 12K GF on Sterling” and signed by Krementz, known for their high-quality gold-filled jewelry during the mid-20th century.

Category

Mid-20th Century Retro Brooches

Materials

Gold-filled, Sterling Silver

Victorian 14K & 10K Gold Women's Medal Charm Necklace Kentucky Tennessee 1880s
Victorian 14K & 10K Gold Women's Medal Charm Necklace Kentucky Tennessee 1880s

Victorian 14K & 10K Gold Women's Medal Charm Necklace Kentucky Tennessee 1880s

Located in New York, NY

The necklace is 13.5 inches long and can be easily extended if desired. It is hallmarked 1/20 12K GF and Lamp... The central medal is 1 3/4 inches long.

Category

Antique 19th Century American Victorian Drop Necklaces

Materials

Gold, 10k Gold, 14k Gold, Gold-filled, Yellow Gold

Recent Sales

Lady 1940 Kent Watch 12k GF Henry Pommier Coil Bracelet
Lady 1940 Kent Watch 12k GF Henry Pommier Coil Bracelet

Lady 1940 Kent Watch 12k GF Henry Pommier Coil Bracelet

Located in Montreal, QC

17 Jewels Alki Mechanical Movement 50-8, Swiss Made, with 1/20 12k Gold Filled Henry Pommier Coil Bracelet, Case measures about 15 x 18.5mm. Watch Running, Age wear and surface scrat...

Category

Vintage 1940s Swiss Wrist Watches

Materials

Gold-filled

Vintage Oval Gold Filled Bracelet
Vintage Oval Gold Filled Bracelet

Vintage Oval Gold Filled Bracelet

Located in New York, NY

This bracelet measures 7-1/4” x 1” and is signed “1/20 12k GF” with a fold over clasp. It is in excellent condition.

Category

Vintage 1980s Retro Bracelets

Victorian Coral Brooch/Pedant and Screw Back Drop Earring Gold Filled Set
Victorian Coral Brooch/Pedant and Screw Back Drop Earring Gold Filled Set

Victorian Coral Brooch/Pedant and Screw Back Drop Earring Gold Filled Set

Located in St. Louis Park, MN

Each piece features a floral design of Coral carved. Stamp: 1/20 12k GF Brooch/Pendant dimensions: approximately 1-3/4" long x 1/2" wide Center Coral flower design: approximatel...

Category

Antique Late 19th Century Victorian Brooches

Materials

Coral, Gold-filled

Antique Victorian Winard 12K GF Etched Floral Bangle Clamper Bracelet 7"
Antique Victorian Winard 12K GF Etched Floral Bangle Clamper Bracelet 7"

Antique Victorian Winard 12K GF Etched Floral Bangle Clamper Bracelet 7"

Located in Dayton, OH

Antique Victorian Winard 12K gold filled bangle bracelet with a simple art deco etched floral design. Marked 8 (size?) - Winward 12KT G,F.

Category

Antique Late 19th Century Victorian Collectible Jewelry

Materials

Gold

Victorian Pocket Watch Chain 12K Yellow Gold Fill Antique Vintage Original 1900'
Victorian Pocket Watch Chain 12K Yellow Gold Fill Antique Vintage Original 1900'

Victorian Pocket Watch Chain 12K Yellow Gold Fill Antique Vintage Original 1900'

Located in Dearborn, MI

Victorian Pocket Watch Chain 12K Yellow Gold Fill Antique Vintage Original 1900's 1/20 12K Yellow Gold Fill Circa 1900's The Victorian Era of Jewelry Design Genuine Antique; N...

Category

Antique Early 1900s Victorian Pocket Watches

Materials

Gold-filled

Native American Signed L Sterling Silver 12K GF Cuff Bracelet
Native American Signed L Sterling Silver 12K GF Cuff Bracelet

Native American Signed L Sterling Silver 12K GF Cuff Bracelet

Located in Washington Depot, CT

Native American sterling silver and 12K GF cuff bracelet. Signed with the letter L, this piece is a beautiful example of gold overlay work.

Category

20th Century Native American Cuff Bracelets

Materials

Sterling Silver

Vintage 12k gold filled porcelain lapis stone necklace
Vintage 12k gold filled porcelain lapis stone necklace

Vintage 12k gold filled porcelain lapis stone necklace

Located in Palos Hills, IL

DETAILS • signed 12k gf • gold filled with porcelain and lapis beads • vintage designer necklace MEASUREMENTS • 28" long, pendant is 2.5" by 2" CONDITION • very good vintage ...

Category

20th Century Pendant Necklaces

Vintage 12K Gold Filled One Dollar 1923 Peace Coin Pendant
Vintage 12K Gold Filled One Dollar 1923 Peace Coin Pendant

Vintage 12K Gold Filled One Dollar 1923 Peace Coin Pendant

Located in London, GB

Vintage gold filled one dollar liberty peace coin, set in an intricately detailed surround, the chain is stamped 1/20 12K GF. The lovely pendant is diameter 5.3cm, 2.08 inches, and t...

Category

Late 20th Century American Pendant Necklaces

Materials

Gold-filled

Gold Filled Tiger's Eye Stud Earrings - Carved Scarab Oval Cabochon Non-Pierced
Gold Filled Tiger's Eye Stud Earrings - Carved Scarab Oval Cabochon Non-Pierced

Gold Filled Tiger's Eye Stud Earrings - Carved Scarab Oval Cabochon Non-Pierced

Located in Greensboro, NC

Metal Content: 1/20 12k Gold Filled Stone Information Natural Tiger's Eye Cut: Carved Scarab Oval Cabochon Color: Brown & Tan Style: Stud Fastening Type: Non-Pierced Screw-On Closu...

Category

21st Century and Contemporary Stud Earrings

Materials

Tiger's Eye, Gold-filled

Garnet Six Heart Locket Charm Pendant Necklace Antique Victorian
Garnet Six Heart Locket Charm Pendant Necklace Antique Victorian

Garnet Six Heart Locket Charm Pendant Necklace Antique Victorian

By Bates & Bacon

Located in New York, NY

The jump ring is hallmarked 1/20 12K GF for gold filled. The Dog Clip is signed Bates and Bacon.

Category

Antique 19th Century American Victorian Pendant Necklaces

Materials

Garnet, Gold-filled

Randall Begay Native American Sterling Silver 12k GF Bear Kokopelli Pendant
Randall Begay Native American Sterling Silver 12k GF Bear Kokopelli Pendant

Randall Begay Native American Sterling Silver 12k GF Bear Kokopelli Pendant

Located in San Diego, CA

This Randall Begay Sterling Silver 1/20 12k Gold Filled Bear With Kokopelli Pendant was beautifully made and is heavier than most in this style. The Begay family has a long line of s...

Category

Early 2000s American Native American More Jewelry

Materials

Gold-filled, Sterling Silver

Vintage Early 1970's Scarab Stone Charm Bracelet - 12K GF
Vintage Early 1970's Scarab Stone Charm Bracelet - 12K GF

Vintage Early 1970's Scarab Stone Charm Bracelet - 12K GF

Located in Boca Raton, FL

A vintage scarab stone bracelet from the 1970's. The bracelet is an Egyptian Revival bracelet that is a composition of gold fill chain with genuine scarab stones, including Jasper...

Category

Vintage 1970s Egyptian Revival Charm Bracelets

Victorian Bohemian Rose Cut Garnet Cluster Gold Filled Necklace
Victorian Bohemian Rose Cut Garnet Cluster Gold Filled Necklace

Victorian Bohemian Rose Cut Garnet Cluster Gold Filled Necklace

Located in St. Louis Park, MN

The setting is Gold Filled. Stamp: 1/20 12k GF Necklace length: 16 1/2" long Weight: 26.4 grams Spring ring clasp works great (The spring ring may have been a replaced at one t...

Category

20th Century Victorian Drop Necklaces

Materials

Garnet, Gold-filled

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Located in New York, NY

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Located in Palos Hills, IL

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Located in Palos Hills, IL

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Located in Sheung Wan, HK

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12k Gf For Sale on 1stDibs

Find the exact 12k gf you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from gold, gold-filled and 14k gold — can elevate any look. You can easily find a 7 antique edition and 2 modern creations to choose from as well. If you’re looking for a 12k gf from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. Finding an appealing 12k gf — no matter the origin — is easy, but Christian Dior and Sarah Coventry each produced a popular version that is worth a look. A 12k gf can make for a versatile accessory, but a selection from our variety of 1 crystal versions can add an especially stylish touch. Today, if you’re looking for a bead version of this piece and are unable to find the perfect match, our selection also includes oval cut alternatives. If you’re browsing our inventory for a 12k gf, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a 12k Gf?

On average, a 12k gf at 1stDibs sells for $358, while they’re typically $36 on the low end and $3,110 for the highest priced versions of this item.

Questions About 12k Gf

  • 1stDibs ExpertApril 5, 2022
    On a ring, 12K means that the piece is made out of 12-karat gold. This type of precious metal is half pure gold and half metal alloy. It comes in yellow, white and rose colors. You'll find a selection of gold jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 21, 2024
    Yes, 12K gold is real, but that doesn't mean that the material is pure gold. 12K gold is actually an alloy that is 50% pure gold and 50% other metals. The resulting alloy is highly durable and resistant to scratching and fading. Its hardness makes it difficult to shape into rings, so most 12K gold jewelry consists of necklaces and earrings. On 1stDibs, explore a wide variety of gold jewelry.