{"product_id":"starlux-simulated-crushed-diamond-wedding-band-in-black-tungsten-carbide-4mm","title":"Starlux Simulated Crushed Diamond Wedding Band in Black Tungsten Carbide (4mm)","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 #dcdde6; 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: #f4f5f9; 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: #f4f5f9; color: #3a3f5c; padding: 0.4em 0.9em; border-radius: 100px; font-size: 0.88em; font-weight: 500; border: 1px solid #dcdde6; }\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 #dcdde6; }\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\"\u003eThe Starlux crushed diamond wedding band sets a sparkling inlay of simulated crushed diamond into a polished black tungsten carbide band, in a slim, unisex 4mm width. Silvery, star-like sparkle plays against the deep black for a fantasy-inspired, eye-catching contrast. Because each inlay is hand-set, no two rings are exactly alike. Cobalt-free. 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\"\u003eSimulated crushed diamond\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003ePolished black tungsten\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eSlim 4mm unisex width\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eComfort fit dome\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eCobalt-free\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eOne-of-a-kind inlay\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2\u003eThe inlay: simulated crushed diamond\u003c\/h2\u003e\n\u003cp\u003eThe center channel sparkles with simulated crushed diamond — lab-created stones chosen for their bright, star-like shine, not natural mined diamonds. Set against the black band, the silvery sparkle gives the ring a fantasy, galaxy-like glimmer. The inlay is sealed under a protective coating, and because it's hand-set, no two rings are exactly alike.\u003c\/p\u003e\n\u003ch2\u003ePolished black tungsten\u003c\/h2\u003e\n\u003cp\u003eThe band is polished black tungsten carbide with a smooth domed profile. The black is bonded into the alloy itself, not painted or plated, so it won't chip or wear to silver underneath. Curious what a 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 — about four times harder than titanium, five times harder than steel, and ten times harder than gold. It won't bend, scratch from keys or tools, or lose its shape, and it's cobalt-free 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 4mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior\u003c\/strong\u003e Polished black tungsten carbide, domed profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlay\u003c\/strong\u003e Simulated crushed diamond, sealed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit\u003c\/strong\u003e Comfort fit interior — unisex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposition\u003c\/strong\u003e Cobalt-free, hypoallergenic\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 unisex wedding band for those who want sparkle in a slim, understated profile\u003c\/li\u003e\n\u003cli\u003eA fantasy, galaxy-like glimmer against deep black\u003c\/li\u003e\n\u003cli\u003eA slim 4mm width ideal for smaller hands, stacking, or a subtler look\u003c\/li\u003e\n\u003cli\u003eA daily-wear band — see our guide to non-traditional men's wedding bands for how inlay styles compare\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\u003eStarlux crushed diamond band FAQs\u003c\/h2\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eAre the diamonds real?\u003c\/summary\u003e\u003cp\u003eThe sparkle comes from simulated crushed diamond — lab-created stones chosen for their bright shine, not natural mined diamonds. We're always upfront about exactly what's in the inlay.\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 slim 4mm width is designed as a unisex band, equally at home as a men's or women's wedding band, a promise ring, or a stacking ring.\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. The inlay is hand-set, so yours will share the same sparkle as our photos with its own one-of-a-kind pattern.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWill the black color wear off?\u003c\/summary\u003e\u003cp\u003eNo. The black is bonded into the tungsten carbide alloy itself, not painted or plated on top, so it won't wear through to silver underneath like cheaper black-coated rings.\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 and is significantly more scratch-resistant than gold, silver, or titanium, making it ideal for everyday wear.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs 4mm a good width?\u003c\/summary\u003e\u003cp\u003e4mm is a slim, understated width — lightweight and comfortable, ideal for smaller hands, stacking, or anyone who prefers a subtle band.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs this ring hypoallergenic?\u003c\/summary\u003e\u003cp\u003eYes. This band is cobalt-free and hypoallergenic, so it's comfortable for sensitive skin and won't cause discoloration.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs the inlay durable for daily wear?\u003c\/summary\u003e\u003cp\u003eThe inlay is sealed beneath a protective coating and set flush with the band. As with any inlay ring, avoid hard direct impacts to keep it flawless.\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.\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 and hand-washing are fine thanks to the sealed inlay. We recommend removing it for chlorinated pools and harsh chemicals to keep the sparkle bright.\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\": \"Are the diamonds real?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The sparkle comes from simulated crushed diamond — lab-created stones chosen for their bright shine, not natural mined diamonds. We're always upfront about exactly what's in the inlay.\"}},\n{\"@type\": \"Question\", \"name\": \"Is this a men's or women's ring?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both — the slim 4mm width is designed as a unisex band, equally at home as a men's or women's wedding band, a promise ring, or a stacking ring.\"}},\n{\"@type\": \"Question\", \"name\": \"Will every ring look the same?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No two are identical. 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This band is cobalt-free and hypoallergenic, so it's comfortable for sensitive skin and won't cause discoloration.\"}},\n{\"@type\": \"Question\", \"name\": \"Is the inlay durable for daily wear?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The inlay is sealed beneath a protective coating and set flush with the band. As with any inlay ring, avoid hard direct impacts to keep it flawless.\"}},\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 — it takes just a few minutes, and our team is happy to help you find your correct size.\"}},\n{\"@type\": \"Question\", \"name\": \"Can I wear it in water?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Everyday water and hand-washing are fine thanks to the sealed inlay. 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