18K White Gold Tanzanite and Diamond Engagement Ring

Boldly romantic and expertly crafted, this 18K white gold Tanzanite and Diamond Engagement Ring is designed for those who crave a distinctive, color-rich center stone paired with classic sparkle. It combines timeless elegance with modern detail for a unique engagement piece.

• Center Stone: 1.22ct genuine elongated cushion-cut Tanzanite, delivering rich violet-blue hues and notable depth that catches the light from every angle.
• Side Diamonds: 0.61ct total weight in baguette-cut diamonds channel set along the shank and round cut bezel and pave set diamonds on the profile under the center stone; quality color F–G and clarity VS1 for bright, refined sparkle.
• Metal & Craft: Solid 18K white gold setting with hand-engraved and mil grain detailing throughout, adding texture and a handcrafted feel.
• Sizing & Fit: Currently sized at 6 1/2; can be sized up and reduced by up to 1/2 size.
• Customization & Pricing: Customization options are available; note that pricing will reflect personalization and may be higher than base ring price.
• Sizing Policy & Perks: Complimentary resizing up to two sizes in the first adjustment; future resizes may incur a fee; side stones are guaranteed for 6 months with standard wear and tear.
• Care & Guarantee: Side stones carry a 6-month guarantee with standard wear; professional cleaning and inspection recommended to maintain brilliance.
• Contact for Custom Orders: For larger stones or personalized details, text/WhatsApp 786-589-3076 or email us.

This ring isn't just a beautiful gemstone setting—it's a deliberate choice for lasting charm and personal expression. The 1.22-carat Tanzanite offers a rare, color-rich centerpiece that stands out in daylight and candlelight alike, while the baguette diamonds along the shank provide linear facets that draw the eye toward the center stone without overpowering it. The hand-engraved detailing on solid 18K white gold elevates craftsmanship, ensuring a ring that feels substantial and refined. With flexible sizing options, you can ensure a perfect fit now and in the future, and customization lets you tailor the stone size, metal finish, or engraving to match your story. Ideal for someone who values a distinctive engagement ring—color, quality, and meticulous workmanship in one dramatic package.

Ring Sizing:

This ring is available in a finger size 6 1/2.

Please Note:  There is a limitation in sizing down this ring due to the channel set Diamond Baguettes on the shank.  Sizing this ring up is possible with certain limitations depending on the size.  We recommend for sizing down to inquire about our Invisible Ring guard.  Please send us an email or text/call us (see information below).

Do you need a different ring size? We can resize the ring to your desired finger size at no extra cost! Some sizing limitations apply depending on the size. Alternatively, we can custom-make the ring to fit perfectly. For any questions, please email us at [email protected] or text/call us at 786-589-3076.

Choose from the drop-down menu "Extra Ring Sizes" to select your desired ring size.

Use our Ring Sizing Guide to find out your finger size, click on the highlighted link below and print:

Ring Sizing Guide

Can't print our Ring Sizing Guide, alternatively you can make your own Ring Sizer click on the link below:

Make Your Own Ring Sizer

FAQ (Frequently Asked Questions)

Does this ring include the center stone?
Yes. This listing includes the center of natural Tanzanite (1.22ct). However, this center stone can be replaced with either a diamond or other color gemstone (natural or lab grown).

Can BOS Jewelers provide the center diamond or gemstone?
Yes. We can source natural or lab-grown diamonds and gemstones for you, or you may provide your own stone (subject to fit verification).

What shapes of center stones fit this setting?
This setting is designed for an oval, elongated cushion, emerald cut (step-cut), or radiant cut center stones measuring approximately 8.5X6mm dimensions.

What is the total diamond weight of the setting?
The setting features approximately 0.61carats total weight of natural diamonds.

What diamond quality is used in this setting?
Natural diamonds graded F–G color and VS1 clarity.

What metal is this ring made of?
Crafted in solid 18K white gold.

Is this setting available in other metal colors?
Yes. This setting can be special ordered in white gold or yellow gold, and/or platinum. Please contact us for customization options.

What ring size does this setting come in?
The standard size is finger size 6 1/2.

Can this ring be resized?
Yes. We offer resizing at no extra cost. Some sizing limitations may apply due to the channel set baguettes on the sides.  This ring cannot be sized down only up.

Can this ring be custom-made to my exact size?
Yes. We can custom-make the ring to fit your desired finger size. Inquire about our Invisible Ring Guard for sizing this ring down.  Customization will incur extra costs.

Is this ring suitable for everyday wear?
Yes. Crafted in solid gold with secure prong, channel and pave settings, it is designed for durability and daily wear.  Always wear with care.  Never use this ring for heavy house work, gym, or any activity which may cause knocks to the ring.

How do I find my ring size?
Use our printable Ring Sizing Guide or the Make Your Own Ring Sizer option linked above on the product page.

Who can I contact for customization or questions?
Email [email protected] or call/text 786-589-3076.