Belle Époque, Montana Sapphire and Diamond Cluster Ring

SKU: ARB- 519


A rare Montana sapphire and diamond cluster ring, circa 1910. In the second half of the 19th century, parts of America were overtaken by a ‘Gold Rush’, as veins of gold were discovered and people rushed to remote locations in a fervent effort to make their fortunes. One of these destinations was Yogo Gulch in Montana. However, to the surprise of the prospectors, the land instead yielded a superb deposit of sapphires. When Tiffany’s head gemmologist Georg Frederick Kunz started to take notice, Montana sapphires suddenly shot to fame. Sapphires from Montana are set apart from others primarily by their range of attractive colours, the most famous of which is demonstrated here: an unusual, slightly greenish blue. They also tend to be of more even colour than other sapphires, which are prone to patchy colour ‘zoning’ within the stone. These qualities combined to create gems of surpassing charm and enduring appeal, particularly rare in sizes over one carat. With a beautiful cushion-shaped Montana sapphire at its heart and a double border of millegrain-set circular-cut diamonds surrounding it, this is a Belle Epoque sapphire and diamond cluster with a difference.

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Place of Origin:

United Kingdom

Stone Type:

Sapphire approx. 1.40cts

Accompanied by GCS certificate report stating that the sapphire is of Montana origin, with no indications of heat treatment. 

Diamond approx. 0.50ct total

Setting Dimensions:

Height 6mm / Front Head 14mm x 13.2mm / width 19mm including diamond shoulders

Metal Type:

18ct Yellow Gold, Platinum

Manufacture Date & Period:

1900 -1910 / Edwardian

Condition & Wear:

Good / Wear commensurate with age

Band Size:

UK P ½ / US 8 (complimentary re-size available)

This ring can easily be re-sized

We offer a FREE complimentary ring sizing service. Just leave a note on your order at the checkout.

If you want your ring resized quickly add "EXPRESS RESIZING" for £75 to your order along with desired size and the name of the ring.

If you're unsure of your ring size -please consult our sizing guide, or contact us for an easy solution to gauge your ring size.

Email us with your query and a suggested booking time

Can a ring be re-sized?

Yes, the majority of our rings can be re-sized; unless stated in the item description. Simply add your required size in the notes section at checkout, and we'll take care of the rest!

What is my ring size?

Once you’ve set your heart on the perfect ring, if you're unsure of your ring size -please consult our sizing guide, or contact us for an easy solution to gauge your ring size.

How long does re-sizing take?

Please allow an additional 5 to 10 working days to the delivery time. If you require your order for a particular date, please get in touch as soon as possible and we will do our very best to accommodate.

Can I purchase a ring and later return to be re-sized?

Yes, we will do our very best to help you every step of the way. There is no additional charge for this but the buyer is responsible for return postage and insurance upon return.

Can I pay in installments/layaway?

Yes, we are happy to spread over a few months. Please contact us directly to discuss a
suitable payment method and plan. We do not charge interest for installment payments.

Does the ring come with a certificate?

While most of our rings are accompanied with a gemological certificate, it is possible to provide a certificate to rings which don’t already have a certificate. There is
an additional charge for this. All of rings are checked and examined by a professional gemologist before they reach the website.

Do you ship items internationally?

Yes, we provide free international express shipping on all online orders. Local taxes
and duties may apply. However, we currently do not ship to the following territories: Africa, Brazil, Cambodia, India, Indonesia, Israel, Lithuania, North Korea, Pakistan, Republic of Georgia, Russia, Turkey, Russia, Singapore and UAE. You can read our shipping page for more information.

How long will it take for the ring to arrive?

For UK orders, orders are shipped via Royal Mail Special Delivery, the working day after the payment has cleared. Please allow 1-2 business days for your order to arrive. For orders from all other countries, orders are shipped via FedEx or DHL, the working day after the payment has cleared. Please allow 4-5 business days for your order to arrive. Local taxes and duties may apply. You can read our shipping page for more information.

Where are you based, and do you have a shop I can visit?

We are based in London, England, and, for the time being, we are exclusively an online retailer.

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