Brooch - 18 kt. Yellow gold - Gump's Pearls and Diamonds

06
days
07
hours
05
minutes
30
seconds
Current bid
€ 50
Reserve price not met
Laura Trevino
Expert
Selected by Laura Trevino

She has 15 years' auction experience, specialising in vintage jewellery from 1920 to 2000.

Estimate  € 2,700 - € 3,300
FR
€50

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Vintage 18 karat yellow gold brooch‑pendant by Gump's, weighing 15.62 g, featuring a cluster of six natural golden baroque pearls and six brilliant‑cut diamonds, with a reversible pin and bail, no laboratory report, in good used condition.

AI-assisted summary

Description from the seller

Exquisite high-end vintage jewel from the prestigious American firm Gump's (San Francisco), designed with a hinged ring on the reverse that allows its use as both a brooch and a pendant. The piece features an organic design highlighted by an sculptural cluster of natural golden pearls and diamonds.

Brand mark and its placement: The piece is signed. It bears the stamp "18K" guaranteeing the purity of 18-karat gold, alongside the clearly positioned engraving of the brand "GUMP'S" on the metal structure of the reverse.

Multiple gems / diamonds: Set with 6 natural brilliant-cut diamonds, three measuring 3mm x 3mm and the other three 2.5mm x 2.5mm.

They are grouped in gold prongs along the central structure to provide points of light.

For the pearls: Cluster of natural saltwater cultured pearls (South Seas). Baroque shape with high luster, featuring an extraordinary natural golden tone and iridescent surfaces.

The Gump's Legacy
Gump's is a legendary luxury house founded in San Francisco in 1861 by brothers Solomon and Gustave Gump. Originally conceived as a shop of mirrors and frames during the Gold Rush, it evolved in the early 20th century into one of the leading and most exclusive importers of Asian art, antiques, jade, and fine pearls in the United States. Jewelry with the Gump's seal is highly valued in the collectible market, representing a unique fusion between oriental aesthetics and the refinement of Western high jewelry. The engraving "GUMP'S" next to the "18K" punch on this piece guarantees its authenticity, positioning it as a genuine creation of this exclusive maison known for selecting only gems and materials of superlative quality.

The Fascination with Golden Baroque Pearls
Golden pearls (typically cultivated in the South Seas, from the Pinctada maxima shell with a golden lip) are among the rarest and most coveted organic gems in the world. Their warm, natural tone has historically been a symbol of opulence. In this particular jewel, the designer has chosen baroque-shaped pearls. By the mid-20th century, avant-garde high jewelry increasingly valued these irregular shapes over the traditional spherical pearl. Unlike round pearls, baroque pearls ensure that each piece is visually unique, offering an organic, sculptural texture that catches light from multiple angles. The six added diamonds serve as classic points of light, specifically designed to accentuate the rich golden curves of these extraordinary pearls.

Excellent vintage condition. It shows no noticeable damages, repairs, or restorations. Closure mechanisms (pin and security) and the pendant ring are in perfect working order.

Shipping method and insurance: The lot will be carefully packed and shipped via express courier with tracking number and all-risk insurance included to ensure your complete peace of mind.

Exquisite high-end vintage jewel from the prestigious American firm Gump's (San Francisco), designed with a hinged ring on the reverse that allows its use as both a brooch and a pendant. The piece features an organic design highlighted by an sculptural cluster of natural golden pearls and diamonds.

Brand mark and its placement: The piece is signed. It bears the stamp "18K" guaranteeing the purity of 18-karat gold, alongside the clearly positioned engraving of the brand "GUMP'S" on the metal structure of the reverse.

Multiple gems / diamonds: Set with 6 natural brilliant-cut diamonds, three measuring 3mm x 3mm and the other three 2.5mm x 2.5mm.

They are grouped in gold prongs along the central structure to provide points of light.

For the pearls: Cluster of natural saltwater cultured pearls (South Seas). Baroque shape with high luster, featuring an extraordinary natural golden tone and iridescent surfaces.

The Gump's Legacy
Gump's is a legendary luxury house founded in San Francisco in 1861 by brothers Solomon and Gustave Gump. Originally conceived as a shop of mirrors and frames during the Gold Rush, it evolved in the early 20th century into one of the leading and most exclusive importers of Asian art, antiques, jade, and fine pearls in the United States. Jewelry with the Gump's seal is highly valued in the collectible market, representing a unique fusion between oriental aesthetics and the refinement of Western high jewelry. The engraving "GUMP'S" next to the "18K" punch on this piece guarantees its authenticity, positioning it as a genuine creation of this exclusive maison known for selecting only gems and materials of superlative quality.

The Fascination with Golden Baroque Pearls
Golden pearls (typically cultivated in the South Seas, from the Pinctada maxima shell with a golden lip) are among the rarest and most coveted organic gems in the world. Their warm, natural tone has historically been a symbol of opulence. In this particular jewel, the designer has chosen baroque-shaped pearls. By the mid-20th century, avant-garde high jewelry increasingly valued these irregular shapes over the traditional spherical pearl. Unlike round pearls, baroque pearls ensure that each piece is visually unique, offering an organic, sculptural texture that catches light from multiple angles. The six added diamonds serve as classic points of light, specifically designed to accentuate the rich golden curves of these extraordinary pearls.

Excellent vintage condition. It shows no noticeable damages, repairs, or restorations. Closure mechanisms (pin and security) and the pendant ring are in perfect working order.

Shipping method and insurance: The lot will be carefully packed and shipped via express courier with tracking number and all-risk insurance included to ensure your complete peace of mind.

Details

Era
1900-2000
Laboratory report
No laboratory report
Style
Mid-century modern
Metal
Yellow gold
Brand jewellery
No
Fineness
18 kt.
Total weight
15.62 g
Condition
Good condition - used with some signs of wear
Designer/artist/maker
Gump´s
Gender
Women
Country of origin
United States
Title additional information
Gump's Pearls and Diamonds
SpainVerified
128
Objects sold
89.29%
Private

Disclaimer

Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.

Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.

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