{"product_id":"black-obsidian-mens-wedding-band-in-tungsten-carbide-8mm","title":"Black Obsidian Men's Wedding Band in Tungsten Carbide (8mm)","description":"\u003cstyle\u003e\n.product-rich-content { font-family: inherit; color: #2a2a2a; line-height: 1.65; max-width: 720px; margin: 0 auto; }\n.product-rich-content h2 { font-size: 1.35em; font-weight: 600; color: #1a1a1a; margin-top: 2em; margin-bottom: 0.5em; padding-bottom: 0.4em; border-bottom: 1px solid #cfcfd6; letter-spacing: -0.01em; }\n.product-rich-content h2:first-child { margin-top: 0; }\n.product-rich-content p { margin: 0.8em 0; }\n.product-rich-content ul { padding-left: 1.4em; margin: 0.8em 0; }\n.product-rich-content li { margin-bottom: 0.4em; }\n.product-rich-content .lead-paragraph { font-size: 1.05em; color: #1a1a1a; padding: 1em 1.2em; background: #eeeef2; border-left: 3px solid #3a3f5c; border-radius: 4px; margin-bottom: 1.5em; }\n.product-rich-content .feature-pills { display: flex; flex-wrap: wrap; gap: 0.5em; margin: 1.2em 0; }\n.product-rich-content .feature-pills .pill { background: #eeeef2; color: #3a3f5c; padding: 0.4em 0.9em; border-radius: 100px; font-size: 0.88em; font-weight: 500; border: 1px solid #cfcfd6; }\n.product-rich-content .spec-card { background: #fafafa; border: 1px solid #ececec; border-radius: 6px; padding: 1.2em 1.5em; margin: 1em 0; }\n.product-rich-content .spec-card ul { margin: 0; }\n.product-rich-content .spec-card li { list-style: none; padding: 0.35em 0; border-bottom: 1px dashed #e8e8e8; }\n.product-rich-content .spec-card li:last-child { border-bottom: none; }\n.product-rich-content .spec-card strong { display: inline-block; min-width: 140px; color: #1a1a1a; }\n.product-rich-content .product-faq { margin-top: 2.5em; }\n.product-rich-content .product-faq h2 { margin-bottom: 1em; }\n.product-rich-content .faq-item { border: 1px solid #e8e8e8; border-radius: 6px; margin-bottom: 0.6em; background: #fff; transition: border-color 0.2s ease; }\n.product-rich-content .faq-item:hover { border-color: #3a3f5c; }\n.product-rich-content .faq-item summary { cursor: pointer; padding: 0.9em 1.1em; font-weight: 500; list-style: none; color: #1a1a1a; position: relative; padding-right: 2.5em; }\n.product-rich-content .faq-item summary::-webkit-details-marker { display: none; }\n.product-rich-content .faq-item summary::after { content: \"+\"; position: absolute; right: 1.1em; top: 50%; transform: translateY(-50%); font-size: 1.3em; color: #3a3f5c; font-weight: 300; transition: transform 0.2s ease; }\n.product-rich-content .faq-item[open] summary::after { content: \"−\"; }\n.product-rich-content .faq-item[open] summary { border-bottom: 1px solid #cfcfd6; }\n.product-rich-content .faq-item p { padding: 0 1.2em 1em; margin: 0.6em 0 0; color: #4a4a4a; }\n@media (max-width: 600px) { .product-rich-content .spec-card strong { display: block; min-width: auto; margin-bottom: 0.2em; } }\n\u003c\/style\u003e\n\u003cdiv class=\"product-rich-content\"\u003e\n\u003cp class=\"lead-paragraph\"\u003eThis black obsidian men's wedding band sets a sleek inlay of natural black obsidian — the volcanic glass with a deep, subtle sheen — into a tungsten carbide band with a polished flat profile. Bold and modern, it's a study in dark elegance: rugged strength and refined style in a single 8mm ring. Because obsidian is natural, each inlay carries its own quiet character. Ships with a free luxury velvet jewelry box and free USA shipping.\u003c\/p\u003e\n\u003cdiv class=\"feature-pills\"\u003e\n\u003cspan class=\"pill\"\u003eNatural black obsidian\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003ePolished flat profile\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eTungsten carbide\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003e8mm comfort fit\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eScratch-resistant\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eOne-of-a-kind inlay\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2\u003eThe inlay: natural black obsidian\u003c\/h2\u003e\n\u003cp\u003eThe channel is set with natural black obsidian — volcanic glass formed when lava cools rapidly, prized for its deep, glossy black surface and subtle natural sheen. Long regarded as a grounding, protective stone, obsidian gives this band a dark, all-black elegance with genuine natural character. Because it's a natural material, each inlay is subtly its own. Drawn to dark stones? Our black gemstones guide explores them further.\u003c\/p\u003e\n\u003ch2\u003ePolished tungsten carbide, flat profile\u003c\/h2\u003e\n\u003cp\u003eThe band is tungsten carbide with a polished flat profile — a sleek, modern silhouette that frames the black inlay cleanly and pairs rugged strength with refined style. The comfort-fit interior keeps it smooth for all-day wear. Curious what an all-black band symbolizes? See black wedding band meaning.\u003c\/p\u003e\n\u003ch2\u003eBuilt for daily wear\u003c\/h2\u003e\n\u003cp\u003eTungsten carbide is one of the hardest metals used in jewelry — 4 times harder than titanium, 5 times harder than steel, and 10 times harder than gold, second only to diamond. It's scratch-resistant, long-lasting, and hypoallergenic. Curious how it holds up? Read do tungsten rings scratch? and titanium vs tungsten rings.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e 8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior\u003c\/strong\u003e Tungsten carbide, polished\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile\u003c\/strong\u003e Flat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlay\u003c\/strong\u003e Natural black obsidian — each piece unique\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit\u003c\/strong\u003e Comfort fit interior, true to size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHypoallergenic\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes\u003c\/strong\u003e Free luxury velvet jewelry box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping\u003c\/strong\u003e Free USA shipping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhy partners choose this ring\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA bold all-black band for those who prefer dark, modern elegance\u003c\/li\u003e\n\u003cli\u003eNatural stone character with everyday tungsten durability\u003c\/li\u003e\n\u003cli\u003eA striking alternative to traditional men's wedding bands\u003c\/li\u003e\n\u003cli\u003eA daily-wear band — see our guide to non-traditional men's wedding bands\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSizing \u0026amp; care\u003c\/h2\u003e\n\u003cp\u003eThis band runs true to size — we recommend confirming your ring size before ordering; a local jeweler can measure you in minutes. Choosing between widths? Our men's wedding band width guide breaks it down, and for everything about tungsten sizing and fit, see can tungsten rings be resized or cut off? The sealed inlay handles everyday water and hand-washing; rinse and dry with a soft cloth, and remove it around harsh chemicals like chlorine.\u003c\/p\u003e\n\u003cp\u003eLove this look? Explore the full tungsten rings collection, or browse our men's black rings.\u003c\/p\u003e\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch2\u003eBlack obsidian band FAQs\u003c\/h2\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWhat is black obsidian?\u003c\/summary\u003e\u003cp\u003eA natural volcanic glass formed when lava cools rapidly, prized for its deep glossy black surface and subtle sheen. It's long been regarded as a grounding, protective stone. Learn more in our black gemstones guide.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWill every ring look the same?\u003c\/summary\u003e\u003cp\u003eNo two are identical. Obsidian is a natural material, so each inlay has its own subtle character — yours will share the same dark elegance as our photos with a surface entirely its own.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs this ring all black?\u003c\/summary\u003e\u003cp\u003eYes — the black obsidian inlay against the tungsten band gives a sleek, dark, all-black look, ideal for anyone who prefers understated, modern elegance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs tungsten carbide scratch-resistant?\u003c\/summary\u003e\u003cp\u003eYes — tungsten carbide is one of the hardest metals used in jewelry, 4 times harder than titanium and 10 times harder than gold, making it ideal for everyday wear.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs the inlay durable enough for daily wear?\u003c\/summary\u003e\u003cp\u003eYes — the obsidian is sealed and set flush with the band, protecting it from water, dirt, and grime. As with any inlay ring, avoid hard direct impacts.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWill tungsten turn my finger green?\u003c\/summary\u003e\u003cp\u003eNo. Tungsten carbide is hypoallergenic and won't react with skin, sweat, or lotions — the ring will not turn your skin green. Discoloration comes from low-quality or fake metals only.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs this a men's or women's ring?\u003c\/summary\u003e\u003cp\u003eBoth — the sleek all-black 8mm design reads as a men's wedding band and a striking unisex statement band, and works well as a matching couples ring.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eHow do I find the right ring size?\u003c\/summary\u003e\u003cp\u003eWe recommend getting professionally sized at a local jeweler before ordering — it takes just a few minutes, and our team is happy to help you find your correct size. This band fits true to size.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eCan I wear it in water?\u003c\/summary\u003e\u003cp\u003eEveryday water exposure and hand-washing are fine thanks to the sealed inlay. We recommend removing it for chlorinated pools and harsh chemicals to keep the surface pristine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eDoes this come with a gift box and free shipping?\u003c\/summary\u003e\u003cp\u003eYes — every Aquamarise ring arrives in a free luxury velvet jewelry box, and this band ships free within the USA.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n\"@context\": \"https:\/\/schema.org\",\n\"@type\": \"FAQPage\",\n\"mainEntity\": [\n{\"@type\": \"Question\", \"name\": \"What is black obsidian?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A natural volcanic glass formed when lava cools rapidly, prized for its deep glossy black surface and subtle sheen. It's long been regarded as a grounding, protective stone.\"}},\n{\"@type\": \"Question\", \"name\": \"Will every ring look the same?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No two are identical. Obsidian is a natural material, so each inlay has its own subtle character.\"}},\n{\"@type\": \"Question\", \"name\": \"Is this ring all black?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — the black obsidian inlay against the tungsten band gives a sleek, dark, all-black look.\"}},\n{\"@type\": \"Question\", \"name\": \"Is tungsten carbide scratch-resistant?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — tungsten carbide is one of the hardest metals used in jewelry, 4 times harder than titanium and 10 times harder than gold.\"}},\n{\"@type\": \"Question\", \"name\": \"Is the inlay durable enough for daily wear?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — the obsidian is sealed and set flush with the band, protecting it from water, dirt, and grime. Avoid hard direct impacts.\"}},\n{\"@type\": \"Question\", \"name\": \"Will tungsten turn my finger green?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. Tungsten carbide is hypoallergenic and won't react with skin, sweat, or lotions. Discoloration comes from low-quality or fake metals only.\"}},\n{\"@type\": \"Question\", \"name\": \"Is this a men's or women's ring?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both — the sleek all-black 8mm design reads as a men's wedding band and a striking unisex statement band, and works well as a matching couples ring.\"}},\n{\"@type\": \"Question\", \"name\": \"How do I find the right ring size?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"We recommend getting professionally sized at a local jeweler before ordering — our team is happy to help you find your correct size. This band fits true to size.\"}},\n{\"@type\": \"Question\", \"name\": \"Can I wear it in water?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Everyday water exposure and hand-washing are fine thanks to the sealed inlay. 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