Nicotalya
Sculptural warm-stone Nicotalya interior with a diamond displayed in museum light

Education

The Nicotalya Guide

Knowledge for choosing beautifully.

Clear, considered guidance on diamonds, rings and fine jewelry—written to help every choice feel informed and personal.

Start Here

Face-up and profile round brilliant diamonds used to introduce the 4Cs
CutColorClarityCarat
01Choose Your DiamondUnderstand light, proportions, origin and the report before comparing individual stones.Begin the guide →
Three-stone engagement ring photographed as a setting-style study
02Understand Your RingLearn the architecture of settings, profiles and wedding-band compatibility.Begin the guide →
Polished yellow gold, white gold, rose gold and platinum ring bands
03Know Your MaterialsCompare gold purity, metal color, platinum and how each develops through wear.Begin the guide →

Featured Guides

An editorial library for a lasting choice.

Face-up and profile round brilliant diamonds used to introduce the 4Cs
CutColorClarityCarat
DiamondsUnderstanding the 4CsA clear guide to diamond cut, color, clarity and carat weight — what each grade describes, and how they work together in a real diamond.
Natural and laboratory-grown rough and polished diamonds presented with equal visual weight
NaturalLaboratory-grown
DiamondsNatural & Laboratory-Grown DiamondsHow natural and laboratory-grown diamonds differ in origin, how they are identified and disclosed, and how to decide which is right for you.
DiamondsDiamond Shapes and ProportionsCompare ten diamond shapes, learn the difference between shape and cut, and understand length-to-width ratio and face-up size.
Polished yellow gold, white gold, rose gold and platinum ring bands
Precious Metals14K vs. 18K Gold vs. PlatinumCompare gold purity, color, wear and care for 14K and 18K gold and platinum, and choose the metal that suits your ring and your life.
Three-stone engagement ring photographed as a setting-style study
Engagement RingsEngagement Ring Settings and AnatomyLearn the parts of an engagement ring — shank, gallery, head, prongs — and compare solitaire, pavé, hidden halo, halo, three-stone and more.
Ring measured across its inside diameter with a metric caliperInside edge to inside edge
Engagement RingsFind Your Ring SizeHow ring sizes work, how to measure accurately, how band width affects fit, and what to know about resizing.

New to Diamonds?

A considered path from first question to final choice.

  1. 01Learn the 4Cs→
  2. 02Explore shapes→
  3. 03Compare natural & lab→
  4. 04Read a grading report→
  5. 05Choose a setting→
  6. 06Confirm your size→

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Browse by Subject

01

Diamonds

The 4Cs, shapes, origins and grading reports — explained clearly so you can choose with confidence.

4 guides

02

Engagement Rings

Settings, anatomy, sizing and wedding-band pairing for the ring you will wear every day.

4 guides

03

Precious Metals

Gold purity, white, yellow and rose gold, and platinum — how each looks, wears and is cared for.

1 guide

04

Fine Jewelry

Stud earrings, tennis bracelets and necklaces, eternity bands, and how total carat weight works.

4 guides

05

Ownership & Care

Cleaning, inspection, storage and the documents that belong with a fine piece.

1 guide

06

Buying Confidence

Direct answers to the questions clients ask most before choosing a diamond.