# Knowledge Base

> Guides, comparisons, and articles on lab-grown diamonds, engagement rings, and fine jewelry.

## Articles (45)

- [2025 Fall Jewelry Trends](https://www.adadiamonds.com/knowledge-base/2025-jewelry-trends): Timeless pieces worth the investment.
- [Lab Diamond Necklace Shopping Guide ](https://www.adadiamonds.com/knowledge-base/lab-diamond-necklaces-shopping-guide): Everything you need to know about lab diamond necklaces, from solitaire pendants to tennis and statement styles.
- [Blue Nuance and Phosphorescence in Lab Diamonds](https://www.adadiamonds.com/knowledge-base/blue-nuance-in-hpht-lab-diamonds): Blue nuance is a tinge of blue color present in HPHT diamonds, resulting from excess boron in the diamond after the growth process.
- [Radiant Cut Lab Diamond Shopping Guide ](https://www.adadiamonds.com/knowledge-base/lab-diamond-radiant-cut-engagement-rings): Your guide to radiant cut lab diamonds from the experts at Ada.
- [Is It Safe to Buy a Lab Diamond Online? ](https://www.adadiamonds.com/knowledge-base/guide-to-online-diamond-shopping): Everything you need to know before buying a lab diamond online, and how to make sure you're getting what you pay for.
- [HPHT Lab Diamonds: How They're Grown and What to Look For](https://www.adadiamonds.com/knowledge-base/hpht-lab-diamonds): A deep dive into HPHT diamond growth, the color defects that can affect appearance, and what to look for when evaluating a lab grown diamond.
- [Ada Diamonds Founders Lecture at GIA: Beyond the 4 C's](https://www.adadiamonds.com/knowledge-base/ada-diamonds-founders-gia-lecture): Ada Diamonds founders Lindsay Reinsmith and Jason Payne were invited to guest lecture at GIA on lab diamond quality — what grading reports miss and what to look for in person.
- [CVD Lab Diamonds: How They're Grown and What to Look For](https://www.adadiamonds.com/knowledge-base/cvd-lab-diamonds): A deep dive into CVD diamond growth, the defects that can affect appearance, and what to look for when evaluating a lab grown diamond.
- [1 Carat Lab Grown Diamond Engagement Rings](https://www.adadiamonds.com/knowledge-base/1-carat-lab-grown-diamond-engagement-rings): Everything you need to know about 1 carat lab grown diamond engagement rings.
- [14k Gold vs. 18k Gold: Which is Right For Me?](https://www.adadiamonds.com/knowledge-base/14k-gold-vs-18k-gold-which-is-right-for-me): Gold remains one the most popular choices for fine jewelry and engagement rings. You may be wondering “Should I choose 14k or 18k gold for my engagement ring”? or "Is one better than the other?"
- [2.25 Carat Lab Grown Diamond Engagement Rings](https://www.adadiamonds.com/knowledge-base/2-25-carat-lab-grown-diamond-engagement-rings): Everything you need to know about 2.25 carat lab grown diamond engagement rings.
- [3.5 Carat Lab Grown Diamond Engagement Rings](https://www.adadiamonds.com/knowledge-base/3-and-a-half-carat-lab-diamond-diamond-engagement-rings): Everything you need to know about 3.5 carat lab grown diamond engagement rings.
- [Carat](https://www.adadiamonds.com/knowledge-base/4cs-lab-diamond-carat-weight-explained): Carat weight measures how much a diamond weighs, not how large it appears. Learn how carat weight influences a diamond’s size, rarity, and price, and how Ada Diamonds helps clients find the right balance of beauty, proportions, and value.
- [Clarity](https://www.adadiamonds.com/knowledge-base/4cs-lab-diamond-clarity-explained): Clarity is a measurement of how many or how large of blemishes or inclusions are present in the diamond. The lower the clarity of a diamond, the more imperfections in the diamond. Lab diamonds vary in clarity, just like mined diamonds.
- [Color](https://www.adadiamonds.com/knowledge-base/4cs-lab-diamond-color-explained): Diamond color measures the subtle tint present in a diamond. Learn how the D–Z color scale works, what color grades look white to the eye, and how Ada Diamonds evaluates lab diamonds for brightness and undesirable color undertones.
- [Asscher Cut Lab Diamond Shopping Guide](https://www.adadiamonds.com/knowledge-base/asscher-cut-lab-diamond-engagement-rings): Your guide to Asscher cut lab diamonds from the experts at Ada.
- [Cut](https://www.adadiamonds.com/knowledge-base/4cs-lab-diamonds-cut-explained): Your guide to diamond cut grades: what to look for and how cut differs from diamond shape.
- [Bow Ties and Light Leakage Explained](https://www.adadiamonds.com/knowledge-base/bowties-and-light-leakage-explained): Everything you need to know about bow-ties and light leakage in fancy shaped lab diamonds.
- [Guide to Lab Diamond Shapes](https://www.adadiamonds.com/knowledge-base/lab-diamond-shapes-guide): Everything you need to know about lab diamond shapes, from round brilliants to Asscher cuts.
- [Diamond Jewelry Gifts for Milestone Birthdays](https://www.adadiamonds.com/knowledge-base/birthday-gift-ideas-for-special-milestones): A guide to lab grown diamond jewelry gifts for milestone birthdays, from the 30th to the 50th and beyond. Made to order in NYC.
- [Lab Diamond Engagement Ring Style Guide ](https://www.adadiamonds.com/knowledge-base/engagement-ring-style-guide): Just getting started on your custom engagement ring? With so many unique design options and gorgeous diamond shapes, it can be overwhelming to decide what style you love best. Our Diamond Experts have put together a comprehensive guide to setting styles and diamond shapes to help you get started on.
- [Gift Ideas for Special Anniversaries](https://www.adadiamonds.com/knowledge-base/gift-ideas-for-special-anniversaries): Your guide to lab grown diamond jewelry for milestone anniversaries, from the experts at Ada. Every piece is made to order in our New York flagship with premium, curated lab diamonds
- [Halo Engagement Ring Guide](https://www.adadiamonds.com/knowledge-base/halo-lab-diamond-engagement-ring-shopping-guide): Your guide to halo engagement rings, hidden halos, and how to choose from the experts at Ada Diamonds.
- [How to Choose a Men's Wedding Band](https://www.adadiamonds.com/knowledge-base/how-to-choose-a-mens-wedding-band): Everything you need to know on choosing the perfect men's wedding band from the experts at Ada.
- [How to Choose the Right Engagement Ring for Your Lifestyle](https://www.adadiamonds.com/knowledge-base/how-to-choose-the-right-engagement-ring-for-your-lifestyle): Your engagement ring should fit seamlessly into your everyday life. From band width to setting style, thoughtful design choices help ensure your ring is both beautiful and practical. Here’s how to choose a ring that complements your lifestyle and lasts for years to come.
- [Cushion Cut Lab Diamond Shopping Guide](https://www.adadiamonds.com/knowledge-base/lab-diamond-cushion-cut-engagement-rings): Your guide to cushion cut lab diamonds from the experts at Ada.
- [Lab Diamond Hoop Earring Styles Explained](https://www.adadiamonds.com/knowledge-base/lab-diamond-hoop-earring-styles-explained): Design a perfect pair of bespoke hoops with our conflict-free, lab created diamonds, or shop ready to ship designs.
- [Emerald Cut Lab Diamond Shopping Guide](https://www.adadiamonds.com/knowledge-base/lab-diamond-emerald-cut-engagement-rings): Your guide to emerald cut lab diamonds from the experts at Ada.
- [Princess Cut Lab Diamond Shopping Guide ](https://www.adadiamonds.com/knowledge-base/lab-diamond-princess-cut-engagement-rings): Your guide to princess cut lab diamonds from the experts at Ada.
- [Lab Diamond Stud Earrings](https://www.adadiamonds.com/knowledge-base/lab-diamond-stud-earring-shapes-sizes-and-styles): Build a timeless and elegant pair of bespoke stud earrings to match your unique style with Ada's premium lab diamonds.
- [1.5 Carat Lab Grown Diamond Engagement Rings ](https://www.adadiamonds.com/knowledge-base/1-5-carat-lab-grown-diamond-engagement-rings): Everything you need to know about 1.5 carat lab grown diamond engagement rings.
- [Oval Lab Diamond Shopping Guide ](https://www.adadiamonds.com/knowledge-base/oval-cut-lab-diamond-engagement-rings): Your guide to oval lab diamonds from the experts at Ada.
- [Pear Cut Lab Diamond Shopping Guide](https://www.adadiamonds.com/knowledge-base/pear-shaped-lab-diamond-engagement-rings): Your guide to pear cut lab diamonds from the experts at Ada.
- [Rose Gold Engagement Rings and Wedding Bands](https://www.adadiamonds.com/knowledge-base/rose-gold-engagement-rings-and-wedding-bands): Your guide to 14k and 18k rose gold from the experts at Ada.
- [Round Brilliant Lab Diamond Shopping Guide](https://www.adadiamonds.com/knowledge-base/round-brilliant-lab-diamond-engagement-rings): Everything you need to know about round brilliant lab diamonds from the experts at Ada.
- [The Life of Ada Lovelace](https://www.adadiamonds.com/knowledge-base/the-life-of-ada-lovelace): The story of how Ada Lovelace, mathematician, visionary, and the world's first computer programmer, inspired the name of a fine lab diamond jeweler.
- [Platinum vs White Gold: Which Metal is Best For My Ring?](https://www.adadiamonds.com/knowledge-base/platinum-vs-white-gold-which-is-right-for-me): Ada's design experts break down what to know about the difference between white gold and platinum.
- [When Not to Wear Your Lab Diamond Engagement Ring](https://www.adadiamonds.com/knowledge-base/when-not-to-wear-your-lab-diamond-engagement-ring): Everything you need to know about protecting your engagement ring during everyday activities, and why a few simple habits make all the difference.
- [How to Care for Your Lab Grown Diamond Engagement Ring](https://www.adadiamonds.com/knowledge-base/how-to-care-for-your-lab-grown-diamond-engagement-ring): Learn how to care for your lab grown diamond engagement ring with expert tips on cleaning, storage, and maintenance from the jewelers at Ada Diamonds.
- [1.25 Carat Lab Grown Diamond Engagement Rings](https://www.adadiamonds.com/knowledge-base/1-25-carat-lab-grown-diamond-engagement-rings): Everything you need to know about 1.25 carat lab grown diamond engagement rings.
- [3 Carat Lab Diamond Engagement Rings](https://www.adadiamonds.com/knowledge-base/3-carat-lab-grown-diamond-engagement-rings): Everything you need to know about 3 carat lab grown diamond engagement rings.
- [2 Carat Lab Diamond Engagement Rings](https://www.adadiamonds.com/knowledge-base/two-carat-lab-grown-diamond-engagement-rings): Everything you need to know about 2 carat lab grown diamond engagement rings.
- [2.5 Carat Lab Diamond Engagement Rings](https://www.adadiamonds.com/knowledge-base/2-5-carat-lab-grown-diamond-engagement-rings): Everything you need to know about 2.5 carat lab grown diamond engagement rings.
- [4 Carat Lab Diamond Engagement Rings](https://www.adadiamonds.com/knowledge-base/4-carat-lab-grown-diamond-engagement-rings): Everything you need to know about 4 carat lab grown diamond engagement rings.
- [5 Carat Lab Diamond Engagement Rings](https://www.adadiamonds.com/knowledge-base/5-ct-lab-diamond-engagement-rings): Everything you need to know about 5 carat lab grown diamond engagement rings.