Round Diamond Tapered Band Ring
Oval
Round
Cushion
Asscher
Radiant
Emerald
Princess
Pear
Heart
Marquise
Following are the available sizes for the product. If you have any query or confusion regarding the size, contact our customer support.
Unsure of what size to order? Worry not, here is our easy product size guide to assist you in finding your perfect fit. Carefully go through the guide, and print it if need be.
When Ordered by
Today
Estimated Ship
Date:
02 Oct
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on every order.
Easy Returns
Hassle-free 30 days return
Lifetime Warranty
Crafted to last forever.
Certified Quality
Certified by IGI.
Description
Shipping and Returns
Lab-Grown vs Natural Diamonds
Lab-grown and Natural diamonds are both real diamonds: pure carbon in the same cubic crystal structure. They share the same brilliance, fire and hardness. The differences are how they form and what's inside the stone at a microscopic level.
| Lab-grown | Natural | |
|---|---|---|
| Identical in both | ||
| Composition | Pure carbon (C) | Pure carbon (C) |
| Crystal structure | Cubic | Cubic |
| Brilliance (refractive index) | 2.42 | 2.42 |
| Fire (dispersion) | 0.044 | 0.044 |
| Luster (reflectivity) | 17.2% | 17.2% |
| Hardness | 10 Mohs | 10 Mohs |
| Where they differ | ||
| Origin | Grown in a lab (CVD or HPHT) | Mined from the earth |
| Time to form | 2–4 weeks | 1–3.5 billion years |
| Diamond type | Mostly Type IIa (nitrogen-free) | About 98% Type Ia (nitrogen present) |
| Typical inclusions | Metallic flux or graphite specks | Feathers, mineral crystals, clouds |
| Certification | IGI, GIA (report says lab-grown) | GIA, IGI |