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Our Iron Clad Guarantees

  • 7 day 100% money back guarantee if for any reason you are not satisfied
  • 30 day 100% return period for credit (Good for 1 year)
  • Free shipping & returns
  • Free ring sizing with purchase (when ring is resizable)
  • 100% money back guarantee all signed pieces are authentic
  • 100% money back guarantee all stones are natural unless otherwise noted. 
  • 100% money back guarantee no treatment of stones unless otherwise stated
  • 100% guarantee of formal appraisal with purchase


Dear Jenny,
Yesterday was a blissful dream. I woke up and felt like a newlywed. I can’t stop looking at my diamond ring. You were nothing short of a gift to me. We instantly connected and I felt a strong pull you were going to the one who found me my ring. I’m so over the moon and eternally grateful. You are incredibly talented at what you do. Tyler and I feel like we not only found the ring to symbolize who we are as a couple today, it embodies everything we didn’t even know we were looking for and that’s life’s best surprise sometimes. The happiness this ring brings to me leaves me speechless.
Thank you for all you do—you are one in a million.
Nicole J.

Our Expertise

Our GIA training has given us the expertise needed to make the best decisions when trading diamonds, colored stones, and fine jewelry. For over 40 years we have been identifying and classifying diamonds and colored stones in order choose authentic, fine jewelry that reflects our commitment to intrinsic beauty and infinite value. We carefully curate our collections and guarantee the authenticity of every piece we sell.

From my initial inquiry over Instagram, Jenny worked tirelessly to help me find the perfect antique diamond for my engagement ring. Her responsiveness over text and willingness to accommodate all of my (many) requests was unparalleled. 10/10 customer experience - look no further for your jewelry needs.

Buying Online

Whether you contact us at, DM us on Instagram @jackweirandsons, call us at 310.276.1280, or email us at, we will respond with two hours, if not within our usual one hour window. At Jack Weir & Sons there is one person dedicated solely to answering your questions and assisting online sales processing. You’re welcome to direct your questions and concerns to and she will be more than happy to help you. We know how we want to be treated when shopping anywhere, and we do our best to emulate this with our own customers. Expect to be treated with graciousness and care as the unique individual that you are, and know that your purchase is a risk free/worry free process.

My ring is drop dead gorgeous!!! I don’t care if it has inclusions it still has so much fire and sparkle! Only if you loop it can you tell... that makes this a fantastic deal. It was sized extremely professionally, I’m thrilled, what a statement huh? Thank you for your upbeat spirit
❤️💕Sincerely, Denise.

Visiting Our Office

Located in the heart of Beverly Hills, our office is open to the public by appointment so that we can give you our undivided attention. Our inventory is always being updated so please let us know if there’s something you saw online that you want to see in person. We offer a 10% discount for first time buyers.

Mille Grazie & Merci Beaucoup for all your pictures and answers to my numerous inquiries in such a timely manner, superb customer service! You have built a trust, which in the online/internet environment is precious, as I'm "old school”. As always, thank you for your professional kindness.
Nickie & Terry (from Seattle !)

Jack Weir & Sons - Ring