G S SACHIN

Why Your Pearl Strand Suddenly Looks Dull (And the 60-Second Revival) Pearls lose their shine for predictable reasons. They are not gemstones but layers of nacre—thin, organic calcium carbonate—laid down by an animal. That nacre responds to oils, acids, salts and rough surfaces. When a strand looks dull, it’s usually surface contamination, damage to the […]

Intro: White gold looks like platinum when new, but after months or years it often takes on a faint yellow cast. That change is normal. It happens because white gold is not naturally white — it’s a gold alloy covered with a thin white shell. Jewelers can restore the bright white look quickly. I’ll explain

Intro: Emeralds are almost always fractured to some degree. To make them look clearer and more attractive, many are filled with oil or resin that sits in surface-reaching fissures. Heating an oiled emerald is a common test and a real-world hazard. This article explains, from a lab demo perspective, what physically happens when you apply

Intro: Moissanite’s rainbow fire is obvious. It’s also the single trait most people use to tell it from diamond. But is that flashy prism of color always a dead giveaway — or can it be tamed, hidden, or mistaken? Below I compare how and why moissanite flashes color, show what to look for in side-by-side

The “Frozen Spit” Myth: What Cloudy Diamonds Really Are (and When to Avoid Them) Many buyers hear the phrase “frozen spit” to describe a diamond that looks milky or cloudy. The image is memorable, but it’s not a technical term. The clouded look can come from several real, measurable causes. Knowing those causes helps you

Intro: Most ring sizers you find online or in a drawer promise an accurate number, but they ignore the single biggest variable: your finger changes size with humidity and time of day. That’s why many rings feel perfect in a store and tight or loose on the street. There is one reliable way to get

Introduction When you compare buying gold in Dubai and Mumbai, making charges are often the deciding factor. Making charges are the fees charged to turn raw gold into wearable jewelry. They vary by city, store, design complexity, and local taxes. This article breaks down what making charges are, why they differ between Dubai and Mumbai,

Intro 3D-printed gold jewelry is real and growing in the trade. But “3D-printed” covers several different technologies and finish levels. The visible giveaway most buyers and even some jewelers can spot at home are the layer lines — the thin, repeated ridges produced by building an object in slices. Knowing what those lines look like

Intro: The Koh-i-Noor is one of the world’s best-known diamonds. Its name means “Mountain of Light.” For two centuries it has been wrapped in stories of curses and royal drama. Those stories are dramatic. They are not the same as documented law. This article separates the legend from what is actually recorded and explains why

Will Your Diamond Hold Value in 2025? Auction Data Says… Auctions through 2021–2024 give a clear message: not all diamonds are equal as investments. Rare, certified gems have continued to attract collectors and wealthy buyers. Ordinary commercial stones rarely match retail price at resale. Here I explain what auction results mean for someone who owns—or