Skip to main content
Go to accessibility notice


    Paraiba-Type Tourmaline, Diamond, Platinum, Gold Ring
    The ring features an oval-shaped Paraiba-type tourmaline measuring 10.91 x 8.19 x 5.50 mm and weighing approximately 2.80 carats, enhanced by trapezoid-cut diamonds weighing a total of approximately 0.70 carat, set in 18k gold. An AGL report # 1104910, dated November 18, 2019, stating Natural Tourmaline, Origin Mozambique, Paraiba-Type, accompanies the center stone. Gross weight 7.20 grams.
    Size: 6-1/2 (sizeable)

    Estimate: $10,000 - $15,000.

    Condition Report*: Diamonds:
    Avg Color: G-H-I
    Avg Clarity: VS
    Shape(s): Trapezoid
    Count: 1 - 25

    Colored Gems:

    Certified Gems:
    Gem: 1
    Lab: AGL
    Certification #: 1104910
    Shape: Oval
    Origin: Mozambique
    Treatment: *This color variety of tourmaline is commonly the result of a relatively low temperature heating process.
    Type: Natural Tourmaline


    Overall Condition: Very Good
    Condition Notes: A lovely and vibrant tourmaline with perfectly paired diamond accents. Marked 750, PLAT. Paraiba-type is a term/color variety applied by the AGL to the copper-bearing variety of elbaite tourmaline, which was first discovered in the Paraiba state of Brazil, but may have originated from a different source.
    *Heritage Auctions strongly encourages in-person inspection of items by the bidder. Statements by Heritage regarding the condition of objects are for guidance only and should not be relied upon as statements of fact, and do not constitute a representation, warranty, or assumption of liability by Heritage. All lots offered are sold "AS IS".

    Auction Info

    Bidding Begins Approx.
    28th Friday
    Auction Dates
    28th Monday
    Proxy Bidding Begins Approx.
    152 Days
    Bids + Registered Phone Bidders: N/A
    Lot Tracking Activity: N/A
    Page Views: 15
    Auction Type
    Signature®:  Heritage Live®:After Internet bidding closes, live bidding will take place through Your secret maximum bid placed prior to the live event will compete against the live bids. To maximize your chances of winning, enter realistic secret maximum bids on our site. Many of our proxy bidders are successful at winning lots in these auctions, and usually below their secret maximum. You can also place last minute bids directly with us by e-mailing or calling 1-866-835-3243. (Important note: Due to software and Internet latency, live bids may not register in time, so enter realistic proxy bids.)

    Signature® Floor Sessions
    Proxy bidding ends ten minutes prior to the session start time. Live Proxy bidding on Heritage Live starts 24 hours before the live session begins and continues through the session. During the live auction event, bidding in person is encouraged, and Heritage Live includes streaming audio and often video during the event.

    Track Item