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Claudino de Oliveira Art Deco Diamond Scroll Clip Pin Brooches Platinum 1940s

$23,336.36per set
£17,469.81per set
€19,500per set
CA$32,125.42per set
A$35,119.38per set
CHF 18,579.73per set
MX$420,259.82per set
NOK 236,400.41per set
SEK 216,400.66per set
DKK 148,565.99per set

About the Item

Claudino de Oliveira Art Deco Diamond Clip Pin Brooches in Platinum, Portugal, 1940s. An exceptional pair of Art Deco double clip brooches by Portuguese jeweller Claudino de Oliveira, crafted circa 1940 in platinum. Designed with the dynamism and architectural elegance emblematic of the Art Deco period, these brooches are a masterclass in precision, geometry, and light play. Each brooch unfurls in a graceful, ribbon-like scroll—sculptural in form yet fluid in spirit. The surfaces are grain- and channel-set with a remarkable composition of 252 multi-cut diamonds, meticulously chosen and arranged for brilliance and contrast. This sophisticated pairing features the maker’s mark for Claudino de Oliveira, who worked in Lisbon from 1938 to 1973, along with the Lisbon platinum hallmark (500‰) in use between 1938 and 1984—both confirming the origin and authenticity of this rare pair of brooches. Housed in their original fitted navy-blue case by Joalharia do Carmo, who commission them from Claudino’s workshop a few decades ago, these brooches offer exceptional versatility—worn individually or as a pair, they elevate any ensemble with architectural glamour and timeless sparkle. DETAILS • Diamonds: approximately 10 carats in total; 86 round brilliant-cut, 142 single-cut, and 24 baguette-cut • Maker’s mark for Claudino de Oliveira (used 1938-1973) and Lisbon hallmark (used 1938-1984) for platinum 500‰ • Dimensions (each): Approximately 3.6 x 3.8 cm • Weight (combined): 35.5g ••• NOTES All items are presented in very good condition, with surface wear and age-related marks consistent with their antique or vintage nature. All jewels—whether signed or unsigned—are offered as worn, reflecting their history and authenticity. Unless otherwise specified, all weights, assessments, and attributions are based on standard gemmological practices and mounting allowances. Variations may occur when cross-referenced with third-party valuations. Colors may differ slightly between screen and natural lighting. Gemmological reports and certificates are referenced where available. For further clarification, our team of GIA Graduate Gemologists and certified appraisers would be happy to assist. ABOUT US Established in 1985, we are a trusted specialist in fine antique jewelry, collectible timepieces, and rare objets d’art, with three physical locations and a growing international clientele. Each piece may be accompanied upon request by a Certificate of Authenticity or Insurance Valuation, issued by certified jewelry experts, GIA-trained gemologists, and registered valuers—ideal for provenance, collection documentation, and insurance purposes. AFFILLIATIONS • Watch Trader Association (WTA) • Gemological Institute of America (GIA) Alumni • APAOINCM – Portuguese Association of Official Appraisers in Jewelry Goldsmithing • APA – Portuguese Antique Dealers Association • CINOA – International Confederation of Art and Antique Dealer Associations • Featured in Forbes 30 Under 30
  • Creator:
    Claudino de Oliveira
  • Metal:
    Platinum
  • Stone:
    Diamond
  • Stone Cut:
    Round Cut
  • Weight:
    35.5 g
  • Dimensions:
    Width: 1.5 in (38 mm)Length: 1.42 in (36 mm)
  • Sold As:
    Set of 2
  • Style:
    Art Deco
  • Place of Origin:
    Portugal
  • Period:
    1940-1949
  • Date of Manufacture:
    1940s
  • Condition:
    Wear consistent with age and use.
  • Seller Location:
    Lisbon, PT
  • Reference Number:
    Seller: 261/25E1stDibs: LU2150227730662

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