Jewelry & diamond guide - Tresorshoppe
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Jewelry & diamond guide

Fine jewelry

To list an item in the Fine Jewelry category please follow these guidelines. If any part of the item is fine, including the gemstone(s) or the setting, the item should be listed in the Fine Jewelry category.

 

Allowed

Fine metal setting, such as gold of 10 karats or higher (yellow, rose, white), silver of 925 parts per 1000 pure silver or above, platinum group metals of 850 parts per 1000 pure platinum or above

You must identify the type of metal and purity of the metal in the title, item specifics and description

For the full list of fine metals, please see the “Precious metals” section of this page

Includes fine metal setting with lab-created, simulated or fashion gemstone

And/or

Natural fine gemstone (or fine gemstone with the optical, physical, and chemical properties of natural fine gemstone)

Natural diamonds

Pearls, naturally formed or cultured

For the full list of fine gemstones, please see the “Gemstones and loose beads” section of this page

Includes fine gemstone with fashion metal setting or lab-created, simulated or fashion gemstone accent(s)

Platinum, gold, and silver products must meet applicable laws for stamping. For more information about stamping (including trademark stamping requirements)

Examples of stamps:

Gold stamps: 10k, 14k, 18k, 22k, 24k

Silver stamps: Sterling Silver, .925, .999

Platinum stamps: Plat, Pt, 950Plat, 900Pt

Diamonds

Natural diamonds (natural and enhanced – see below) should be listed in the Fine Jewelry category.

A diamond is a mineral consisting essentially of pure carbon, crystallized in the isometric system with a:

Hardness of 10

Specific gravity of approximately 3.52

Refractive index of 2.42

Diamond creation and enhancement:

When listing a diamond, you must include information about what type of diamond you are listing, as well as the gemstone creation method of the diamond, in the title, item specifics and description.

Natural, Not Enhanced: Choose this option only if you have an unenhanced, natural diamond.

Enhanced: If you are listing a natural diamond that has been enhanced (for example, “clarity-enhanced” to reduce flaws, dyed, etc.), you are required to include “enhanced” in the title and to specify the enhancement in the item specifics and description.

Lab-created: Select this option only if you are listing a lab-created diamond that has the same mineral composition as a natural diamond. Do not list a lab-created diamond in the Fine Jewelry category unless it is accompanied by a fine metal setting or other fine gemstone. You are required to identify the diamond as “lab-created” in the title, item specifics and description immediately preceding the name of the lab-created diamond. All lab-created diamonds not mounted on a fine metal setting or accompanied by a fine gemstone should be listed in the Fashion Jewelry category.

Simulated: Select this option if you are listing a simulated diamond that has the same appearance but not the same mineral composition as a natural diamond. A simulated diamond should only be listed in the fashion jewelry category unless it is mounted on a fine metal setting or accompanied by a fine gemstone, in which case it should be listed in the Other or Simulated categories. If the mineral composition of the diamond is different from the natural diamond, you are required to identify the diamond as “simulated” in the title, items specifics and description immediately preceding the name of the simulated diamond. All simulated diamonds not mounted on a fine metal setting or accompanied by a Fine Gemstone should be listed in the Fashion Jewelry category.

Unknown: If you do not know if the diamond has been enhanced, or if it is lab-created or simulated, you should consider having the diamond certified. All unknown diamonds should be listed in the fashion jewelry category unless mounted on a fine metal setting or accompanied by a fine gemstone.

Gemstones not meeting the definition of a diamond:

If the gemstone does not meet the above definition for a diamond, you cannot list your item in the Diamond or Fine Jewelry category. If the mineral composition of the gemstone is different from the natural gemstone, you must clearly identify the item as such in all areas of your listing. For example, use words like “simulated” immediately preceding the use of diamond. You must also clearly describe the actual material the gemstone is made of in the item specifics and description, such as:

Briolite

Cubic zirconium

Diamonique

Glass

Moissanite

Plastic

Quartz

Rhinestone

Strontium titanate

Restrictions

For information on Kimberley Process Certification Scheme (KPCS), visit US Department of State site.

Tresorshoppe.com prohibits the sale of diamonds, other gemstones and metals that are sourced from countries with civil conflict or that do not comply with the Kimberley Process Certification Scheme (KPCS). When listing jewelry on Tresorshoppe.com you agree that any item you are listing is not associated with civil conflict, terrorism or other criminal activity and complies with KPCS.

Rough Diamonds: All rough diamonds must be listed in the Loose Diamonds & Gemstones > Diamonds (Rough Natural) category and must comply with the Kimberley Process Certification Scheme (KPCSAll listings for rough diamonds on Tresorshoppe.com must state that the seller complies with the Kimberley Process and that the diamond is accompanied by a Kimberley Process certificate.

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