When it comes to choosing the perfect stone for your engagement ring or fine jewelry, the options can be overwhelming. Moissanite, lab-created diamonds, and natural diamonds each offer their own unique beauty, benefits, and considerations. From cost and durability to symbolism and long-term value, understanding the differences between these popular stones can help you make the right decision for your style, budget, and values.
1. Composition, Certification & Origins
Natural Diamond: Formed over billions of years deep within the Earth, natural diamonds are mined and have become symbols of tradition and prestige. Their geological rarity and long-standing association with love and commitment make them a highly coveted choice.
Lab Diamond: These diamonds are grown in labs using High Pressure High Temperature (HPHT) or Chemical Vapor Deposition (CVD) methods. They are chemically and optically identical to natural diamonds but generally more affordable and conflict-free. Both lab and natural diamonds can be certified by reputable organizations like GIA or IGI.
Moissanite: First discovered in a meteor crater and now lab-created, moissanite is composed of silicon carbide. Though not a diamond, it is a brilliant, durable, and eco-friendly alternative. Moissanites are often certified by labs like Charles & Colvard or GRA.
At OroSpot, we use certified stones across all categories and can incorporate any option into your custom jewelry—just ask for pricing and availability.
2. Brilliance, Appearance & Color
Brilliance:
- Natural & Lab Diamonds both offer classic brilliance and fire due to their high refractive index and expert cutting.
- Moissanite has even more fire, producing rainbow-like flashes. Some customers love the extra dazzle, while others find it overly flashy.
Color:
- Natural & Lab Diamonds are graded on the GIA color scale and range from colorless to yellow or fancy colors.
- Moissanite often carries a faint yellow or greenish tint, especially in larger sizes, though newer versions have improved whiteness.
Visual Clues: Moissanite may appear slightly “warmer” in tone and has double refraction under magnification, unlike diamonds which display sharper facet lines.
3. Durability & Chemical Stability
Diamonds (Natural & Lab): With a perfect 10 on the Mohs scale of hardness, diamonds are the most scratch-resistant gemstones available. They withstand daily wear, pressure, heat, and contact with most chemicals. Their stability makes them ideal for engagement rings meant to last a lifetime.
Moissanite: Ranking 9.25 on the Mohs scale, moissanite is one of the hardest known substances after diamond. It resists scratching, dulling, or discoloration. Its chemical stability also ensures that it doesn’t degrade over time. However, under extreme pressure or abrasive conditions, it is slightly more vulnerable than diamonds.
Both stones are safe in chlorinated pools, household cleaning, and exposure to skin oils, but it’s still best to remove jewelry when using strong acids or harsh chemicals.
4. Environmental & Ethical Impact
Natural Diamonds: Mining diamonds has historically contributed to environmental disruption and social conflict. While many stones are now certified conflict-free through the Kimberley Process, the mining process still involves land displacement and energy-intensive extraction.
Lab Diamonds: Produced in controlled environments using advanced technology, lab diamonds eliminate the need for destructive mining. They require fewer natural resources and produce a significantly smaller carbon footprint. Ethical sourcing is easier to verify with lab-grown stones.
Moissanite: Entirely lab-created, moissanite is among the most eco-friendly and ethical gemstone choices. Its production has minimal environmental impact, and it involves no mining or exploitation of labor.
5. Cost & Long-Term Value
Natural Diamonds: The most expensive option, especially for high-quality stones in larger carat weights. Their rarity contributes to their premium pricing, and they are widely regarded as heirloom pieces with strong resale value over time.
Lab Diamonds: More affordable than natural diamonds, making them a popular choice for buyers looking for value without sacrificing the look and feel of a real diamond. While resale value is lower due to increasing supply, their beauty and authenticity remain strong selling points.
Moissanite: The most budget-friendly gemstone among the three. It offers a stunning appearance at a much lower price point. However, it’s not commonly resold or passed down for investment purposes.
6. How to Tell Them Apart
There are multiple ways gemologists and jewelers distinguish these stones:
- Diamond Testers: Moissanite conducts heat like diamonds but also conducts electricity. Advanced testers measuring both heat and electricity can identify moissanite.
- Lab vs. Natural Diamonds: Spectroscopy (e.g., photoluminescence, UV-Vis) reveals growth patterns, metallic inclusions (in HPHT), or UV fluorescence (in CVD). Certified labs like GIA and IGI provide verification.
- Inclusions & Growth Lines: Natural diamonds may show organic inclusions; lab diamonds display growth lines or metallic traces. Moissanite shows double refraction.
- Certification & Price Point: Always ask for certification. If the stone is large and very affordable, it’s likely a moissanite or lab diamond.
7. Choosing the Best Option for You
Natural Diamonds: Best for those who prioritize heritage, lasting value, and the symbolism of a naturally formed gemstone. They’re ideal for traditional engagement rings or heirloom jewelry.
Lab Diamonds: Perfect for buyers who want a real diamond but with a lower environmental and financial impact. Lab diamonds balance beauty, ethics, and affordability.
Moissanite: An excellent choice for those who want brilliance, durability, and affordability all in one stone. Moissanite delivers stunning sparkle with a conscience.
At OroSpot, we proudly offer all three types of stones, each certified (1/2ct and up) and customizable in our handcrafted rings, earrings, and pendants. Just ask us for options and pricing.
Final Thoughts
Choosing between moissanite, lab diamonds, and natural diamonds isn’t just about price or appearance—it’s about your values, lifestyle, and the story you want your jewelry to tell. Whether you’re drawn to the rarity and legacy of a natural diamond, the innovation of lab-grown stones, or the brilliance and sustainability of moissanite, each has a beauty and purpose all its own.
At OroSpot, we’re here to help you select a stone that not only fits your design but also reflects your heart. All our pieces are made from scratch in the USA with unmatched care and craftsmanship—because your jewelry should be as enduring and unique as your story.
Find Your Perfect Diamond or Moissanite Engagement Ring
Whether you prefer the rarity of a natural diamond, the innovation of a lab-grown diamond, or the brilliance of moissanite, each option offers its own beauty and value. Explore our curated selection below to find the perfect engagement ring for your style and story.