Diamond Promise Ring, Art Deco Filigree Diamond Ring


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Created by the famed Ostby and Barton jewelry company, a basket of white gold filigree gives this beautiful Art Deco ring a bit of presence on the finger! Light and airy for all of its size, when viewed from the top the filigree frame gives the diamond a halo effect, as if it were surrounded by delicate flower petals. The diamond itself is bright and shining, prong set in a scalloped disc of reflective white gold. Interesting in style but comfortable on the hand, this is a versatile vintage engagement or promise ring that will be easy to wear for years to come!

Metal: 10K White Gold
Gem: Diamond .20 Carat, I in Color, I1 in Clarity
Gem Measurements: 3.6 mm, Round
Ring Size: 4
Marks: "OB 10K" Stamped on the inside band


  • We offer sizing on most of our rings.
  • If the ring is an eternity band, has a continuous pattern, or if the ring has to change more than 3 sizes, please contact us so we can be sure it’s possible. 
  • Upon checkout, please make note of the size you need your ring order to be.
  • Sizing typically takes 5-7 days before the item is shipped. 
  • Any rings over $1,000, we size for free.  If the ring is under $1,000, please contact us and we’re happy to quote you for the sizing, or we can invoice you after the purchase.  Sizing a ring down in size is typically $15.00 for items purchased through us.  Sizing up is $15.00 plus the cost of any additional materials.

Returns & Exchanges

  • If you receive an item and decide it’s not what you had in mind, you can return it for a full refund within 10 days.  The 10 day refund period begins the day you sign for the package. 
  • We also offer a 30 day store credit/exchange policy for any item in the store.  
  • Items purchased through our payment or layaway plans are eligible for store credit/exchange returns only.  Refunds will not be given for items purchased through layaway.


  • Most items will be shipped using USPS Express or Priority mail, with tracking, signature and insurance.  
  • Fedex is available upon request and for an additional fee.
  • Please allow us a 3-7 business day processing time after you complete your order.
  • Custom orders, including semi-mounts, take 2-3 weeks production time before shipment.
  • After shipment, packages within the US should arrive within 1-3 business days.
  • International shipments should arrive within 7-14 days.
  • Please contact us directly if you require an order within a specific deadline and we will do our best to accomodate you.

Have a question?  Please send us an inquiry through our contact page or give us a call at 603-343-2705.  

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