How long does it take to get my products?

Orders are usually delivered within 2 days. Domestic shipping can take up to 5 business days.Foreign shipping could take up to 14 business days or more, depending on customs delays.Due to global supply chain challenges, shipping times could be longer than usual.

Do you offer refunds?

Yes, we offer full and partial refunds.Please enquire for more information about our Refund policy or click this link.

We ship using all the major carriers, including FedEx overnight delivery for orders over $500. We also ship internationally and have extensive knowledge of shipping internationally.

What makes Muzo emeralds different from other Colombian emeralds?

Muzo is a specific mine in Boyacá, Colombia, known for producing emeralds with an exceptionally deep, warm green color, referred to as "Muzo green" in the trade. While Colombia is the world's leading emerald source overall, Muzo-origin stones are considered among the finest, commanding significant premiums at auction over emeralds from other Colombian mines like Chivor or Coscuez. A GRS or AGL origin report will specify "Colombia, Muzo" as the source.

What does "no oil" or "minor oil" mean on an emerald certificate?

Nearly all natural emeralds contain internal fractures. "Oiling", or filling those fractures with cedar oil or resin, which is a standard industry practice that improves clarity. A "no oil" designation means the stone has not been treated and is in its natural state, which is rare and significantly increases value. "Minor oil" indicates minimal treatment. Both grades are considered acceptable by major auction houses; heavy or significant oiling affects value substantially. The treatment grade is always disclosed on a GRS, AGL, or GIA certificate.

Are Muzo emeralds a good investment?

Top-quality Colombian emeralds, particularly no-oil or minor-oil Muzo stones above 3 carats with strong color saturation, have historically held and appreciated in value, especially when accompanied by origin reports from GRS or AGL. Unlike diamonds, fine colored stones remain largely exempt from lab-grown alternatives at the collector level, which supports long-term demand.

Muzo 哥倫比亞祖母綠珠寶

Muzo 哥倫比亞祖母綠珠寶｜GIA 與 GRS 認證

在 Assay 購買經認證的 Muzo 哥倫比亞祖母綠珠寶。通過 GIA 與 GRS 認證。Rings、項鍊與更多款式——每顆寶石都可追溯至 Muzo 礦區。

Muzo 是哥倫比亞最古老、最富傳奇色彩的祖母綠礦區之一——也是世界上最令人嚮往的綠色之源。深邃溫潤的「Muzo 綠」與其他產地截然不同，被收藏家與拍賣行視為高級祖母綠的標竿。

此系列中的每一件作品都採用可追溯至 Muzo 礦區的主石，並經由 GIA、GRS、AGL 或同等機構認證。證書會載明寶石的哥倫比亞產地、處理狀態（無油或輕油）以及品質等級——讓您清楚知道自己買的是什麼。

我們提供鑲有 Muzo 祖母綠的 Rings、項鍊與吊墜，從日常可佩戴的精緻珠寶到投資級珍藏皆有。

Orders are usually delivered within 2 days. Domestic shipping can take up to 5 business days.

Foreign shipping could take up to 14 business days or more, depending on customs delays.

Due to global supply chain challenges, shipping times could be longer than usual.
Yes, we offer full and partial refunds.

Please enquire for more information about our Refund policy or click this link.
We ship using all the major carriers, including FedEx overnight delivery for orders over $500. We also ship internationally and have extensive knowledge of shipping internationally.
Muzo is a specific mine in Boyacá, Colombia, known for producing emeralds with an exceptionally deep, warm green color, referred to as "Muzo green" in the trade. While Colombia is the world's leading emerald source overall, Muzo-origin stones are considered among the finest, commanding significant premiums at auction over emeralds from other Colombian mines like Chivor or Coscuez. A GRS or AGL origin report will specify "Colombia, Muzo" as the source.
Nearly all natural emeralds contain internal fractures. "Oiling", or filling those fractures with cedar oil or resin, which is a standard industry practice that improves clarity. A "no oil" designation means the stone has not been treated and is in its natural state, which is rare and significantly increases value. "Minor oil" indicates minimal treatment. Both grades are considered acceptable by major auction houses; heavy or significant oiling affects value substantially. The treatment grade is always disclosed on a GRS, AGL, or GIA certificate.
Top-quality Colombian emeralds, particularly no-oil or minor-oil Muzo stones above 3 carats with strong color saturation, have historically held and appreciated in value, especially when accompanied by origin reports from GRS or AGL. Unlike diamonds, fine colored stones remain largely exempt from lab-grown alternatives at the collector level, which supports long-term demand.

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