On jewelry, an "M" typically stands for a Maker's Mark, the unique signature or logo of the jeweler or manufacturer, like Mikimoto, Movado, or Maui Divers, rather than indicating metal content. It could also be a personalized initial for a loved one, a sentimental reminder, or part of a larger code, but most often it identifies the creator, often found alongside metal purity stamps like "14K" or "925," and helps verify authenticity.
The "M" hallmark usually signifies that the piece comes from a particular maker. However, several jewelry makers have used "M" hallmarks. Among them are Maui Divers, Mikimoto and Movado.
If you've ever flipped over a necklace clasp or examined a ring band and spotted “925,” you might have wondered what it means. This tiny stamp is one of the most common hallmarks in jewelry—and for good reason. 925 means the piece contains 92.5% pure silver.
Generally, our gold products are 18K gold plated over brass.
The founder puts to work the jewellery-making expertise he honed since working in his father's jewellery studio at the age of ten by crafting signet rings, initial necklaces, earrings and bracelets in solid 14-carat gold and sterling silver.
How to Tell If My Jewelry Is Worth Anything
White gold was originally developed to imitate platinum (a naturally white metal). White gold is usually an alloy containing about 75% gold and about 25% nickel and zinc. If stamped 18 karat, it would be 75% pure gold.
Not as Durable
Since semi-solid gold chains have empty space inside, they are more susceptible to physical damage. Semi-hollow gold chains can be easily dented, scratched, or even bent. So, if you're looking for a low-maintenance gold chain, this might not be the right option for you.
Back in January 2022, Hoda opened up about why she held the charm so close to her heart during a discussion with her TODAY with Hoda and Jenna co-star Jenna Bush Hager. "'M' stands for Mom,” said Hoda, who then pulled out the charm and two others she frequently wears. “I have 'Haley' and 'Hope' on (one of them).
The 925 stamp represents the millesimal fineness mark for silver. This means the maker is claiming that for the area of earring marked 925 is 92.5% silver and 7.5% other metals.
925 sterling silver is affordable because it's an alloy (92.5% silver, 7.5% cheaper metals like copper) that provides durability for jewelry at a lower material cost than pure gold or platinum, while silver's general commodity status and industrial demand also keep its base price lower than gold, making it accessible for everyday wear and collections.
What is an M colored diamond? The scale of diamond color goes from D, which is the purest white, to Z, which are light yellow – M falls smack in the middle. These diamonds are described as having a very faint color that's most noticeable when looked from the side point of view.
The '925' marking on jewelry signifies that the piece is made of sterling silver. This means that the metal is composed of 92.5% pure silver and 7.5% other metals, typically copper.
To identify vintage jewelry, look for specific markers such as designer signatures, unique antique styles, and materials that were popular in certain eras, like Art Deco or Victorian. Examining the age and origin can also provide clues to its authenticity.
Pure gold (24K) is too soft for everyday jewelry, so it's mixed with other metals to create different gold types:
The 2-1-1 jewelry rule is a styling guideline for balanced accessories, generally meaning two pieces on the hands/wrists, one piece on the neck, and one piece on the ears, or variations focusing on visual weight distribution like two subtle pieces, one medium, and one statement for a cohesive look without clutter. It helps create intentional, effortless style by balancing different accessory types and placement, preventing the "Christmas Tree effect" (too much in one spot).
If you invested $1,000 in gold 10 years ago (around late 2015/early 2016), your investment would likely be worth significantly more today (late 2025), potentially in the range of $2,000 to over $3,000, reflecting substantial price appreciation, though less than the S&P 500 but outperforming during certain periods of market stress, acting as a hedge against uncertainty, with returns varying based on exact entry/exit points and premiums/spreads.
Instead, the letter “M” on jewelry could represent various things, depending on the specific jeweler, manufacturer, or designer. It might be a maker's mark or the initial of the jewelry designer's name.
White gold jewellery can become scratched, especially when worn on a daily basis. White gold's rhodium plating will wear away over time. You'll need to have it re-plated (called rhodium plating) to keep its 'white' colour however, this is a simple process.
The code of white gold
An example is ”585 white gold.” This code indicates the content of gold in the jewelry. The code has 3 letters. ”835 white gold” means that your jewelry is 83.5% yellow gold. The remaining 16.5% consists of materials such as rhodium that provide the right color and hardness to the gold.
As diamonds age from 100 years to 120 years old and we move further away from the 20th century, these old cuts will not only become more scarce but also more valuable. As an example, jewelry from the 17th century and older is extremely valuable and rare.
To sell jewelry without getting ripped off, research its value first, get multiple appraisals from reputable jewelers (not just pawn shops), use online marketplaces like eBay for broader reach (after checking sold listings), and consider consignment or auction houses for high-value pieces, always verifying buyer credentials and understanding the process.
Factors that influence the value of estate jewelry include rarity, maker, materials, condition, demand, and market trends. It is important to identify the maker's mark or signature on estate jewelry - known brands and designers command higher prices due to craftsmanship and collectability.