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View Gems in 360° — Every facet online Certified Natural Gems — Lab verified Conflict-Free Sourcing — Ethically selected Secure Checkout — 256-bit SSL View Gems in 360° — Every facet online Certified Natural Gems — Lab verified Conflict-Free Sourcing — Ethically selected Secure Checkout — 256-bit SSL
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Seylan Gems & Jewelry

Buying a gem from our Sherman Oaks shop

You are buying from Seylan Gems & Jewelry, LLC., at 15021 Ventura Boulevard, Suite 1050, Sherman Oaks, California. The site ships to the United States and Canada. Read the item, then decide. Do not rely on a feeling from a single thumbnail.

Specifications

Buying from us At a glance

Typical published ranges used in gemology. Specific gravity below matches our carat calculator default where applicable. (SG 4.00)

Buying from us Gemological specifications
Seller Seylan Gems & Jewelry, LLC.
Showroom Sherman Oaks, Los Angeles
Phone +1 (888) 311-7133
Email info@seylangem.com
Shipping United States and Canada
Before you pay Species, carat, millimetres, treatment, origin if stated, and the return terms

A short checklist

Confirm the species in the title matches the description. Confirm the carat weight and the millimetre measurements are both present if size matters to the setting. Read the treatment in the body of the listing, not only a word in the title. If origin is stated, know that you can ask what that statement is based on.

Look at every photo and any 360 view. Check for a window, a chip at the girdle, and an obvious color zone. Then read the price with the stone’s actual quality in mind, not against a different species.

Online, with a person available

A product page is enough for many purchases. It is not enough if you are matching a pair, setting a family stone, or spending an amount you would insure. Book a consult or call. Bring the questions in writing: treatment, origin, measurements, and whether a laboratory report exists.

We would rather lose a rushed sale than ship a misunderstanding. If a stone is no longer available, the page should not be your only signal. Ask.

After it arrives

Compare the stone to the listing in daylight. Weigh it if you have a carat scale and you want the reassurance. Keep the packaging until you have decided to keep it, and read the return policy for the window and the condition we require.

Insure what you would be upset to lose. A listing, a photo, and this guide are not an insurance appraisal. If you need a written value for a policy, tell us and we will explain what a qualified appraiser still has to do.

Educational / market education only. This page is not a certified laboratory report insurance appraisal or formal valuation for legal or customs purposes. Always confirm treatment and origin with documentation.

Ready to look

See live in-stock gems

Browse certified stones estimate carat from millimetres or ask us to help interpret a report.