Description:

  • Described & Photographed By: Dillon HFA HFA DT63664 NFEDDD
  • Title: Exceptional Art Deco GIA Marcus & Co Star Sapphire Fine Diamond Ring NO HEAT ART DECO Platinum Ring
  • Description: An amazing find in a stunningly made Art Deco ring by Marcus and Company. Approximately 25 carat by formula double cabachon center stone. No heat Natural GIA. Marcus & Co., one of the premier American jewelers of the early 20th century, was renowned for its exquisite Art Deco creations—particularly its sapphire and Ruby rings, which stood out for their elegance and craftsmanship. Founded by Herman Marcus, a former Tiffany & Co. designer, the firm carried forward a sensibility and commitment to quality that set it apart. During the Art Deco era, Marcus & Co. sourced only the finest sapphires—often Kashmir or Burmese stones—valued for their vivid color, velvety texture, and rarity. Often, he used for larger stones fine color or clarity Ceylon (Sri Lankan) stones. Their jewelers combined these exceptional gems with platinum, old European-cut diamonds, and meticulous geometric settings, resulting in pieces that embodied the height of luxury and remain highly collectible today. The diamonds are extremely white and and extremely clean. Our pictures cannot capture the beauty of this piece. To find one with this well defined star and with transparency and of this size and style is almost impossible. From GIA report: Weight 8.96 grams Shape Oval Measurements 16.60 x 13.30 x 9.64 mm Transparency Transparent to Semi-Transparent Color Pinkish Purple Item Description Center stone bezel set in a platinum ring with numerous near colorless round stones of various cuts. Species Natural Corundum Variety Natural Star Sapphire Geographic Origin Sri Lanka Treatment No Indications of Heat

    Here are the specifications:

  • Type of Jewelry: Ring
  • Gem Stones: Star sapphire with several old cuts of diamonds
  • Clarity: The diamonds are extremely white and and extremely clean.
  • Color: The diamonds are extremely white and and extremely clean.
  • Approx. Measurement or Weight of Gem Stones: Shape Oval Measurements 16.60 x 13.30 x 9.64 mm Transparency Transparent to Semi-Transparent Color Pinkish Purple Item Description
  • Mounting metal: Platinum
  • Approx. Size or length: This ring goes to a 6 on a ring mandrel but because of its unique shape can fit up to a 7.
  • Condition: Ready to wear
  • Stamping or Factory Markings: Marcus
  • Total weight of piece: 8.96 g
  • Estimated size of package: 9x6x3 1 lb
  • Shipping: Use the dimensions and weight above to calculate your shipping costs.
  • Zip Code 33701 CALCULATE SHIPPING COSTS HERE

  • F.A.Q.s: Commonly Asked Questions
    • Artist Name: Marcus
    • Circa: 1930's
    • Notes:
    • Described & Photographed By: Dillon HFA HFA DT63664 NFEDDD
    • Title: Exceptional Art Deco GIA Marcus & Co Star Sapphire Fine Diamond Ring NO HEAT ART DECO Platinum Ring
    • Description: An amazing find in a stunningly made Art Deco ring by Marcus and Company. Approximately 25 carat center stone. No heat Natural GIA. Marcus & Co., one of the premier American jewelers of the early 20th century, was renowned for its exquisite Art Deco creations—particularly its sapphire and Ruby rings, which stood out for their elegance and craftsmanship. Founded by Herman Marcus, a former Tiffany & Co. designer, the firm carried forward a sensibility and commitment to quality that set it apart. During the Art Deco era, Marcus & Co. sourced only the finest sapphires—often Kashmir or Burmese stones—valued for their vivid color, velvety texture, and rarity. Often, he used for larger stones fine color or clarity Ceylon (Sri Lankan) stones. Their jewelers combined these exceptional gems with platinum, old European-cut diamonds, and meticulous geometric settings, resulting in pieces that embodied the height of luxury and remain highly collectible today. The diamonds are extremely white and and extremely clean. Our pictures cannot capture the beauty of this piece. To find one with this well defined star and with transparency and of this size and style is almost impossible. From GIA report: Weight 8.96 grams Shape Oval Measurements 16.60 x 13.30 x 9.64 mm Transparency Transparent to Semi-Transparent Color Pinkish Purple Item Description Center stone bezel set in a white metal ring with numerous near colorless round stones of various cuts. Species Natural Corundum Variety Natural Star Sapphire Geographic Origin Sri Lanka Treatment No Indications of Heat

      Here are the specifications:

    • Type of Jewelry: Ring
    • Gem Stones: Star sapphire with several old cuts of diamonds
    • Clarity: The diamonds are extremely white and and extremely clean.
    • Color: The diamonds are extremely white and and extremely clean.
    • Approx. Measurement or Weight of Gem Stones: Shape Oval Measurements 16.60 x 13.30 x 9.64 mm Transparency Transparent to Semi-Transparent Color Pinkish Purple Item Description
    • Mounting metal: Platinum
    • Approx. Size or length: This ring goes to a 6 on a ring mandrel but because of its unique shape can fit up to a 7.
    • Condition: Ready to wear
    • Stamping or Factory Markings: Marcus
    • Total weight of piece: 8.96 g
    • Estimated size of package: 9x6x3 1 lb
    • Shipping: Use the dimensions and weight above to calculate your shipping costs.
    • Zip Code 33701 CALCULATE SHIPPING COSTS HERE

    • F.A.Q.s: Commonly Asked Questions
    • Condition: excellent

    Accepted Forms of Payment:

    ACH, American Express, Discover, MasterCard, Money Order / Cashiers Check, Other, Paypal, Personal Check, Visa, Wire Transfer

    Shipping

    Many smaller items can be shipped, though if you do not see a shipping cost on your invoice, this means we are not able to facilitate in-house shipping for your purchase and we will provide contacts for a 3rd party partner to provide arrangements for pickup, packing and shipping.


    SHIPPING: HFA has limited in-house shipping for smaller items and certain types of jewelry, silver and watches. Please contact us in advance of the auction if you wish to see if the lot in which you are interested can be handled by our shipping department. We will be pleased to provide a list of shippers and packers that our clients have successfully used, or you can have your own shipper handle your purchases. Please contact the shipper of your choice to arrange for pick up and packing of your items. Your items will be released as soon as payment clears our bank. We request that your shipper schedules pick up times at least 24 hours in advance; this will ensure no delays in pick up, and release of your purchases. Please be aware that the item will be packed in a box that is proportionally larger than the object itself and will be in many cases be considered dimensional DIM weight. Shipping carriers charge based on maximum allowable weight for the size of the package. Your boxed purchase will likely weigh less than the stated weight on which the bill is based.

    STORAGE: Storage fees of $10 per day if not picked up within 30 days after receiving your invoice. Items paid will be considered abandoned after 80 DAYS and all funds received WILL NOT be refunded and considered payment for storage. All unpaid auction wins will be considered abandoned after 30 days if no communication is made within receipt of the invoice.

    June 28, 2025 12:00 PM EDT
    Saint Petersburg , FL, US

    Hess Fine Art

    You agree to pay a buyer's premium of up to 22% and any applicable taxes and shipping.

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    Bid Increments
    From: To: Increments:
    $0 $99 $10
    $100 $499 $25
    $500 $999 $50
    $1,000 $4,999 $100
    $5,000 $9,999 $250
    $10,000 $49,999 $500
    $50,000 $99,999 $1,000
    $100,000 + $5,000