Gold Authenticity Guarantee

Fantastic Jewelry NYC

Effective Date: April 29, 2026

Fantastic Jewelry NYC sells real 10K and 14K gold jewelry from New York City’s Diamond District. Our authenticity promise is simple: real karat gold, clear product information, and support from a real jewelry team.

Quick Summary

Real 10K and 14K gold jewelry — not gold plated, unless clearly stated otherwise.
Qualifying gold jewelry is hallmarked when applicable.
Certificate of Authenticity included with qualifying orders.
Gram weights and product specifications may vary slightly by size, length, width, structure, and production batch.
Customers may verify their jewelry with an independent jeweler.
Ships from our NYC Diamond District operation.

1. Real 10K & 14K Gold

Our gold jewelry is made with real karat gold, including 10K and 14K gold options. Product pages specify the available karat, color, structure, size, length, and other product details when applicable.

Unless a product description clearly states otherwise, our 10K and 14K gold jewelry is not gold plated or gold filled.

2. What 10K and 14K Mean

Gold jewelry is measured by karat. 24K is pure gold, but pure gold is soft, so jewelry is commonly alloyed with other metals for strength and durability.

10K gold contains 10 parts gold and 14 parts other metals.
14K gold contains 14 parts gold and 10 parts other metals.

Both 10K and 14K are real gold. 10K is often chosen for durability and value. 14K offers a higher gold content with a richer gold tone.

3. Hallmarks & Karat Stamps

Qualifying 10K and 14K gold jewelry is hallmarked when applicable. Common marks may include:

10K, 10KT, or 417 for 10K gold
14K, 14KT, or 585 for 14K gold

Hallmark placement may vary by item. Stamps are commonly found on clasps, inside rings, backs of pendants, or other discreet areas depending on the design.

Some small components, delicate items, custom pieces, or certain designs may not have a visible stamp in every location. If you have questions about a specific item, contact our team before ordering.

4. Certificate of Authenticity

Fantastic Jewelry NYC may include a Certificate of Authenticity with qualifying 10K and 14K gold jewelry orders.

A Certificate of Authenticity confirms the product information provided by Fantastic Jewelry NYC. It is different from a formal appraisal used for insurance, resale, or valuation purposes.

When available, appraisal documents may be offered separately or included with select qualifying orders. Appraisal fees, when charged, are non-refundable.

5. Appraisal vs. Certificate

A Certificate of Authenticity confirms authenticity and product details. An appraisal may include a documented estimated replacement value and may be used for insurance or valuation purposes.

Not every certificate is an appraisal. If you need a formal appraisal, contact us before purchase to confirm availability for the item you are ordering.

6. Gold Plated vs. Real Karat Gold

Real 10K and 14K gold contains gold throughout the metal alloy. Gold plated jewelry has only a thin layer of gold over another base metal.

Gold plated or gold filled products, if offered, will be clearly described as such in the product title or description.

7. Product Weight & Specifications

Gram weights, dimensions, lengths, widths, and product specifications are provided for transparency. These details may vary slightly due to manufacturing, finishing, chain structure, clasp type, sizing, and production batch.

For chains, weight may vary depending on length, width, karat, gold color, and structure, including solid, semi-solid, or hollow construction.

8. Solid, Semi-Solid & Hollow Gold

Some chains may be offered in solid, semi-solid, or hollow construction. These terms describe the structure of the jewelry, not whether the piece is real gold.

A hollow 10K or 14K gold chain can still be real karat gold. A solid chain is generally heavier because of its structure. Product descriptions should be reviewed carefully before purchase.

9. Diamonds, Silver, Moissanite & Special Categories

Diamond jewelry, silver jewelry, moissanite jewelry, lab diamond jewelry, plated jewelry, and special category items may have different authenticity details and documentation depending on the item.

Natural diamonds, lab diamonds, moissanite, sterling silver, gold plated silver, and rhodium plated silver should be reviewed according to the specific product description.

10. Independent Verification

Customers are welcome to have their jewelry inspected by an independent jeweler. Common verification methods may include checking the hallmark, professional gold testing, or other jeweler-approved testing methods.

Do not perform destructive testing at home. Improper testing can damage the jewelry and may affect return, exchange, or warranty eligibility.

11. Authenticity Questions

If you have questions about the authenticity, karat, gram weight, structure, or certificate for a specific item, contact us before placing your order.

Email: info@fantasticjewelrynyc.com
Call/Text/WhatsApp: +1 (347) 202-4976