Oscar Heyman GIA 17.33 carat no heat yellow sapphire ruby diamond platinum ring

$ 45,000

An extraordinary Oscar Heyman ring featuring a GIA-certified 17.33 carat no heat Sri Lankan yellow sapphire framed by vivid rubies and bright diamonds in platinum.

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Certificates: Appraisal GIA
Details
This exceptional Oscar Heyman Brothers ring is a remarkable Mid Century jewel, centered by a GIA-certified cushion cut yellow sapphire weighing an impressive 17.33 carats. Documented as Sri Lankan origin with no treatment, the sapphire offers extraordinary natural color, scale, and rarity. Its rich golden hue and softly rounded cushion shape create a luminous focal point with commanding presence and refined sophistication.
Framing the center stone are 12 emerald cut rubies weighing approximately 2.80 carats in total. Their vivid red color and sleek step-cut facets create a bold, elegant contrast against the yellow sapphire. An additional 10 round brilliant cut diamonds weighing approximately 0.30 carat, graded F-G color and VS clarity, bring crisp brilliance and balance to the platinum setting.
Crafted in platinum, numbered, and hallmarked with purity marks, this ring reflects the precision, artistry, and exceptional gemstone selection associated with Oscar Heyman Brothers. It is also accompanied by an Oscar Heyman certificate of authenticity, adding important provenance and collectible appeal.
Rare, vibrant, and truly unforgettable, this ring is perfect for someone who appreciates important signed jewelry, untreated gemstones, and extraordinary Mid Century craftsmanship. With its 17.33 carat no heat yellow sapphire, rich emerald cut rubies, bright diamond accents, and documented Oscar Heyman provenance, it is a museum-worthy statement piece designed to be treasured for generations.
Specifications
Period 1950
Metals & Materials Platinum,
Size 7.5
Style Choice Contemporary
Primary Stone/s
Stone Type Yellow Sapphire
Stone Cut Cushion
Carat Weight 10.0+ ct
Colour Grade
Clarity Grade
Flawless Protection Plan
  • Re-sizing doesn't affect the ability to return
  • Free appraisal with purchase
  • 7-day 100% return policy
  • 30-day exchange for full credit
  • 100% authenticity guaranteed
  • 1-year service warranty
Free ring sizing

We’ll make sure your ring fits perfectly, and you can still return resized rings within 7 days. Simply add your ring size in the notes at cart. If you're unsure of your size, we will be in touch after purchase to help.

Free worldwide shipping & returns

We ship with Fedex and all our packages are 100% insured.

Free Domestic Shipping
The typical delivery time is 1-2 days. After you place the order, we’ll contact you by phone as a courtesy.

Free International Shipping
The typical delivery time is 3-5 days. International customers are responsible for any applicable customs duties and taxes.

Read our shipping policy

Return within 7 days for a full refund
You can return your item within 7 days from delivery or collection.

Exchange within 30 days
You have 30 days to exchange your jewelry for different piece/s of the same or higher value.

Read our returns policy

SKU: 37585

Always protected

30 day exchange
for another piece

Free resizing that
doesn't affect returns

Free worldwide
shipping & returns

1-year service
warranty

7 day 100% return
policy on all items

Can We help?

If you'd like to see your jewellery piece from all angles or ask questions, make a virtual appointment with our concierge team.

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FAQs

What if I don't know my/my partner's ring size? 

We can send you a complimentary ring sizer to help you determine the correct size. Please get in touch with the team on either live chat or here

How do I know which metal color looks best on me?

You can use our virtual try-on tool to see how different metal colors complement your skin tone.

How much can a ring be resized up or down?

This depends on the ring, but typically, we can resize most rings up or down by three sizes. Please get in touch with the team on either live chat or here.

How long does re-sizing take?

Resizing generally takes 2-5 business days. If your purchase is an urgent matter and needs to be delivered by a certain date, please let us know.

Which rings cannot be resized?

Eternity bands with diamonds that go all the way around cannot be resized. Each listing will indicate whether a ring is resizable. if you are still unsure, please get in touch with us!

Can i place a ring on hold?

Yes, we offer a 1 week hold for a 20% refundable deposit. If the full payment is not made after the 1-week hold the order will be canceled, deposit refunded and the item relisted.

Where do you source your rings?

We are experienced treasure hunters. Our professional buyers travel all over the world, sourcing the most rare and unique jewels. We also acquire the best pieces from valuable estates around the country.

"A VINTAGE EUROPEAN ENGAGEMENT RING WITH EXQUISITE DETAIL easily stood out"

DAVID & DEANNA,USA

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