G S SACHIN

Prong Check 101: The Toothpick Test That Saves Your Center Stone Your ring sits against your skin every day. Tiny knocks and normal wear slowly loosen the prongs that hold your center stone. The “toothpick test” is a simple, low-risk way to spot trouble early. Done correctly, it helps you avoid the most common cause […]

Approving a CAD render for a custom ring is a big moment. A render looks perfect on screen. But small mistakes in the CAD can cause big problems in the finished ring: weak prongs, ill-fitting stones, uncomfortable fit, or odd proportions. Below are seven concrete red flags to watch for in a CAD render and

Cathedral vs Low-Set: Why One Snags Sweaters and the Other Hides Dirt This article compares two common engagement-ring designs — the cathedral setting and low-set styles — and explains why cathedral rings are more likely to catch on knitwear while low-set designs tend to hide grime. I’ll show the geometry and material reasons behind each

Intro: Edison pearls have been getting a lot of attention in the last decade. They are large, colorful freshwater cultured pearls that look strikingly similar in tone to Tahitian pearls at first glance. But “similar” is not the same as “the same.” This article explains what Edison pearls are, how they get their glow, and

Intro: Platinum has a reputation among buyers and jewelers as the toughest metal for engagement-ring prongs. Many people assume that because platinum is dense and expensive, it must hold diamonds better than gold. That’s only partly true. The metal’s physical behavior under wear creates trade-offs that are often misunderstood. Below I explain exactly how platinum

Paraíba Tourmaline or Treated Blue? 3 Quick Checks Before You Pay Paraíba tourmaline is prized for a neon, almost electric blue-green that comes from trace copper (Cu) and sometimes manganese (Mn) in the crystal. That color is rare and expensive. Many stones marketed as “Paraíba” or “Paraíba-like” have been color-enhanced or never contained copper at

Intro: In 2025, lab-grown diamonds are mainstream. Two labs get most attention: the Gemological Institute of America (GIA) and the International Gemological Institute (IGI). Both issue detailed reports, but they are not identical. Small differences in wording, scope, and procedure affect grading outcomes and resale value. Buyers miss the fine print when they treat a

We wanted a simple answer: does fluorescence actually make diamonds look bigger in sunlight? To find out, we tested a group of diamonds across color grades and fluorescence strengths under real daylight. The result: fluorescence can change how big a diamond appears, but only in limited cases. Most of the time it does not make

Engraving Fonts: Why Some Wear Off Faster Than Others Engravings on jewelry look permanent, but some lettering fades long before the piece does. The main reasons are the font’s shape, the engraving depth and width, the metal’s properties, and how the piece is worn and finished. Knowing the mechanics behind these factors helps you choose

Intro: If this is your first trip to a diamond district, the choice between New York City and Los Angeles matters. Both offer large inventories and experienced sellers. But they differ in selection, pricing style, paperwork, and neighborhood feel. I’ll walk you through the practical differences so you can decide which district fits your goals