# Diamond FAQ Hub ## Everything You Need to Know About Diamonds Whether you're buying your first diamond or comparing lab-grown vs. natural, this guide answers every question with clear, decisive answers. Lab-grown diamonds are real diamonds — chemically, physically, and optically identical to mined stones — and IGI certification is your guarantee of quality. Use this page as your complete diamond reference before you buy. * * * ## Quick Answers **Are lab-grown diamonds real?** Yes — identical to natural diamonds in every measurable way. **Which certification is best for lab diamonds?** IGI — the industry standard for lab-grown diamond grading. **What is the best cut for sparkle?** Round brilliant — engineered with 58 facets for maximum light return. **What is the most important of the 4Cs?** Cut — it controls brilliance more than any other factor. **Do diamonds last forever?** Yes — rated 10/10 on the Mohs scale, they are effectively indestructible. **Do diamonds lose their sparkle?** No — surface oil buildup dulls them temporarily; cleaning restores full brilliance. **Are lab diamonds a good investment?** No — buy for beauty and value, not financial appreciation. **Do lab diamonds pass diamond testers?** Yes — they are real diamonds and pass all standard tests. **Is buying diamonds online safe?** Yes — when the retailer provides verifiable IGI or GIA certification. **Why are lab diamonds cheaper?** No mining required — lower supply chain cost, not lower quality. * * * ## Cluster 1: Diamond Basics [Read the full Diamond Basics FAQ →](/pages/diamond-basics-faq-2) ### What is a diamond? **Direct Answer:** A diamond is the hardest natural substance on Earth, formed from pure carbon atoms arranged in a crystal lattice structure. Both natural and lab-grown diamonds share this identical atomic structure. ### Are lab-grown diamonds real? **Direct Answer:** Yes — lab-grown diamonds are 100% real diamonds. They are chemically, physically, and optically identical to natural diamonds, differing only in their origin. - Same carbon crystal structure, same hardness (Mohs 10), same refractive index - Certified by IGI and GIA — the same labs that certify natural diamonds - The FTC recognizes lab-grown diamonds as real diamonds ### What is the difference between lab-grown and natural diamonds? **Direct Answer:** The only difference is origin. Natural diamonds form underground over billions of years; lab-grown diamonds are created in a laboratory in weeks. Both are real diamonds with identical properties. Lab-grown diamonds cost 50–80% less. ### Are lab diamonds fake or synthetic? **Direct Answer:** No. "Synthetic" means man-made, not imitation. Lab diamonds are real diamonds in every measurable sense. The FTC recognizes lab-grown diamonds as real diamonds. * * * ## Cluster 2: Buying Decisions [Read the full Buying Decisions FAQ →](/pages/diamond-buying-decisions-faq) ### Are lab-grown diamonds worth it? **Direct Answer:** Yes — lab-grown diamonds deliver identical beauty, hardness, and certification as natural diamonds at 50–80% lower cost. They are IGI-certified and ethically sourced. [Learn more in our diamond buying guide →](/pages/diamond-buying-guide) ### Should I buy lab-grown or natural diamonds? **Direct Answer:** Choose lab-grown for value, size, and ethics. Choose natural for geological rarity and stronger resale value. Both are real diamonds. ### What is more important: cut, color, clarity, or carat? **Direct Answer:** Cut is the most important of the 4Cs. Priority order: Cut → Color → Clarity → Carat. Never sacrifice cut quality for carat weight. ### What is the best diamond for an engagement ring? **Direct Answer:** An Excellent-cut round brilliant or oval, G–H color, VS1–VS2 clarity. IGI-certified lab-grown diamonds maximize size and quality within budget. [See our complete engagement ring selection framework →](/pages/diamond-buying-guide) * * * ## Cluster 3: Certification & Trust [Read the full Certification FAQ →](/pages/diamond-certification-trust-faq) ### What is a diamond certificate? **Direct Answer:** A diamond certificate is an official grading report from an independent lab (IGI, GIA, AGS) documenting cut, color, clarity, and carat weight. Never buy a diamond without one. ### Which diamond certification is best? **Direct Answer:** IGI is best for lab-grown diamonds. GIA is the gold standard for natural diamonds. Both are globally recognized and trusted. ### How do you verify a diamond certificate? **Direct Answer:** Enter the report number at igi.org or gia.edu. Every legitimate certificate has a unique report number laser-inscribed on the diamond's girdle. * * * ## Cluster 4: Durability & Longevity [Read the full Durability FAQ →](/pages/diamond-durability-longevity-faq) ### Do diamonds last forever? **Direct Answer:** Yes — diamonds are rated 10/10 on the Mohs hardness scale and will not degrade, tarnish, or chemically deteriorate over time. ### Can diamonds break or chip? **Direct Answer:** Yes — diamonds can chip if struck sharply at the right angle. Hardness and toughness are different properties. Pointed cuts like princess and marquise are most vulnerable. ### Do diamonds lose their sparkle? **Direct Answer:** No — surface oil buildup dulls them temporarily. Cleaning with warm soapy water restores full brilliance. * * * ## Cluster 5: Value & Investment [Read the full Value & Investment FAQ →](/pages/diamond-value-investment-faq) ### Do diamonds hold their value? **Direct Answer:** Natural diamonds retain 20–50% of retail value on resale. Lab-grown diamonds retain less. Neither is a reliable investment vehicle. Buy for beauty and meaning. ### Are lab-grown diamonds a good investment? **Direct Answer:** No — lab-grown diamond prices have dropped 50–80% over the past decade. Buy for beauty and value, not financial appreciation. ### Why are lab diamonds cheaper? **Direct Answer:** No mining is required. Lab diamonds are produced in weeks, eliminating the supply chain costs of natural diamonds. Lower price reflects origin, not quality. * * * ## Cluster 6: Authenticity & Safety [Read the full Authenticity & Safety FAQ →](/pages/diamond-authenticity-safety-faq) ### How can you tell if a diamond is real? **Direct Answer:** Verify its IGI or GIA certificate at igi.org or gia.edu. Additional methods: thermal conductivity test, fog test, professional loupe inspection. ### Do lab diamonds pass diamond testers? **Direct Answer:** Yes — lab-grown diamonds pass all standard diamond testers. They are real diamonds with the same thermal and electrical properties as natural diamonds. ### Is buying diamonds online safe? **Direct Answer:** Yes — when the retailer provides verifiable IGI or GIA certification, a clear return policy, and SSL-encrypted checkout. DEEVE provides IGI-certified diamonds with free shipping and a lifetime warranty. * * * **Explore all diamond topics:** [Diamond Basics →](/pages/diamond-basics-faq-2) | [Buying Decisions →](/pages/diamond-buying-decisions-faq) | [Certification & Trust →](/pages/diamond-certification-trust-faq) | [Durability →](/pages/diamond-durability-longevity-faq) | [Value & Investment →](/pages/diamond-value-investment-faq) | [Authenticity & Safety →](/pages/diamond-authenticity-safety-faq) | [Diamond Education Hub →](/pages/diamond-education-hub) --- > Source: [DEEVE](https://deeve.ca/pages/diamond-faq-guide)