GIA created the 4Cs (Color, Clarity, Cut and Carat Weight) as a universal method for establishing the quality of any diamond, anywhere in the world.

Color : D TO Z

Clarity: FL TO I3

Cut: Excellent to Poor

Carat: 0.001 up to 20 carat vary by size

Yes, if you want to change the band width, we can do that for you. :) Up to 2mm, it's free. There is an "Order Notes" section on the checkout page where you can write down your instructions. If you want a band width above 2mm, it's an additional $100 up to 2.5mm and $200 for 3mm. For band widths above 3mm, please reach out via email at hello@blackdiamond.onl, and we will provide you with a quote.

If the center stone has D, E, or F color and VVS or VS clarity, we use a mix of DEF color and VVS/VS clarity diamonds for the side/small stones. If the center stone has G, H, or I color and VS or SI clarity, we use a mix of GHI color and VS/SI clarity diamonds to match the center stone.

Our warranty covers any issues with your product as soon as you receive it. It also includes fixing loose prongs, polishing, and rhodium plating within a seven days of purchase. We guarantee our products are defect-free, but if you find any issues, please contact us. If you have a different problem not covered by the warranty, contact us. We'll inspect your product and let you know the cost for our services.

BlackDiamond would be delighted to create your dream piece of ring/jewelry. To get started on your custom piece of jewelry, please email us at hello@blackdiamond.onl OR contact customer service at +91 9082263768 now.

Yes, We offer a 7 day free resize for all rings sold at Black Diamond. Just reach out to a support via chat or email Hello@blackdiamond.onl to initiate a resize. Be sure to have your order number and correct size you need handy to expedite the process. Please note that Platinum ring can't be resized and covered in this policy.

You may use our Ring Sizer or visit any local jewelry store should offer free sizing. When you get sized, take note of which type of sizers they used- thin, wide or comfort fit (meaning they were rounded on the inside).

We provide free customization/personalization services and would be more than happy to engrave a ring/jewelry for you. At the time of placing an order there is a"order notes"section on the checkout page. Please write down the instruction over there.

Crafting side stones in pear, marquise, or oval shapes requires 3 to 4 days, whereas other shapes can extend the ring/jewelry crafting time to 4 days, and the jewelry crafting time will be extra.

Yes, you can. Please email us at hello@blackdiamond.onl with your order number, and our team will send you the digital appraisal at no cost. You can use it for insurance purposes.

Absolutely! If you would like to place your order over the phone you can speak with a member of our Customer Service team by calling +91 9082263768

n many cases we can meet shorter urgent deadlines, please just email us at hello@blackdiamond.onl OR contact customer service at +91 9082263768 and ask about the specific item you want to order.

Once you placed the order, our team will get back to you with the CAD & 3D design of your ring within 24 working hours over the email. Once you approve it, we will move forward to production.