{"product_id":"alexandrite-celestial-wedding-band-black-ruthenium-6mm","title":"Alexandrite Celestial Wedding Band in Black Ruthenium (6mm)","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 #d8cfe0; 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: #f4eef9; border-left: 3px solid #5a3d6e; 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: #f4eef9; color: #5a3d6e; padding: 0.4em 0.9em; border-radius: 100px; font-size: 0.88em; font-weight: 500; border: 1px solid #d8cfe0; }\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: #5a3d6e; }\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: #5a3d6e; 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 #d8cfe0; }\n.product-rich-content .faq-item p { padding: 0 1.2em 1em; margin: 0.6em 0 0; color: #4a4a4a; }\n@media (max-width: 600px) {\n.product-rich-content .spec-card strong { display: block; min-width: auto; margin-bottom: 0.2em; }\n}\n\u003c\/style\u003e\n\u003cdiv class=\"product-rich-content\"\u003e\n\u003cp class=\"lead-paragraph\"\u003eA 6 mm dome band with a bezel-set marquise lab-grown alexandrite at the center, flanked by two pavé crescent moons and closed by a four-point star on each shoulder. The stone shifts between teal-blue and violet as the light changes. Solid 925 sterling silver finished in black ruthenium, polished, standard fit. Sizes 7 to 13.\u003c\/p\u003e\n\u003cdiv class=\"feature-pills\"\u003e\n\u003cspan class=\"pill\"\u003eLab-Grown Alexandrite\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eVisible Color Shift\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eBezel-Set Marquise\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eCrescent Moons \u0026amp; Stars\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003e6 mm Dome Profile\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eBlack Ruthenium Finish\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2\u003eThree Ways to Wear It\u003c\/h2\u003e\n\u003cp\u003eAs a \u003cstrong\u003ewedding band\u003c\/strong\u003e: a 6 mm dome is the most-worn width in this range, substantial without being heavy, and low enough to sit under a glove or a watch cuff. As an \u003cstrong\u003eengagement ring\u003c\/strong\u003e: the bezel-set marquise gives it a real focal point that most plain bands do not have. And \u003cstrong\u003eby anyone\u003c\/strong\u003e: nothing about the design is gendered. On a smaller hand the 6 mm reads bold rather than masculine.\u003c\/p\u003e\n\u003cp\u003eA 6 mm width is most often searched as a men's band, and that is where you will find this ring shelved in our collections, but it is genuinely unisex. If you are weighing widths, our \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/mens-wedding-band-width-guide\"\u003ewedding band width guide\u003c\/a\u003e is the place to start, and \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/men-s-engagement-rings-how-to-choose-one\"\u003ehow to choose a men's engagement ring\u003c\/a\u003e covers the newer half of the question.\u003c\/p\u003e\n\u003ch2\u003eMoons and Stars\u003c\/h2\u003e\n\u003cp\u003eThis is the Nightbriar celestial vocabulary cut down to band scale. Two crescent moons face the center stone, each pavé-set and edged in milgrain beading, with a four-point star sitting further out on each shoulder. On a black ruthenium ground the moons and stars sit lit against a dark sky rather than on a bright one.\u003c\/p\u003e\n\u003cp\u003eIt is finished in the same black ruthenium as the \u003cstrong\u003eNightbriar lab-grown alexandrite bridal set\u003c\/strong\u003e, so the two stack as an exact match: same stone, same motif, same metal. The same band is also made with a lab-grown ruby in black ruthenium and with gray moissanite in sterling silver; use the swatches on this page to switch between them. See the rest of the family in our \u003ca href=\"https:\/\/aquamarise.com\/collections\/black-ruthenium-jewelry\"\u003eblack ruthenium jewelry\u003c\/a\u003e and \u003ca href=\"https:\/\/aquamarise.com\/collections\/black-rings\"\u003eblack rings\u003c\/a\u003e collections.\u003c\/p\u003e\n\u003ch2\u003eThe Alexandrite and Its Color Shift\u003c\/h2\u003e\n\u003cp\u003eAlexandrite is the stone that changes color. Under daylight it reads teal to blue-green; under warm indoor light or candlelight it swings to violet and plum. The effect is real optics: the mineral absorbs light unevenly across the spectrum, so what you see depends on what is lighting it. The shift is fully visible here, because the stone is faceted and open on top. Our piece on \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/does-synthetic-alexandrite-change-colors\"\u003ewhether synthetic alexandrite changes color\u003c\/a\u003e explains the mechanism.\u003c\/p\u003e\n\u003cp\u003eThis stone is lab-grown, with the same chrysoberyl chemistry and the same 8.5 on the Mohs scale as mined alexandrite. Our comparison of \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/lab-grown-vs-natural-alexandrite-what-shoppers-actually-need-to-know\"\u003elab-grown versus natural alexandrite\u003c\/a\u003e lays out the trade-offs. It is \u003cstrong\u003ebezel-set\u003c\/strong\u003e: the metal wraps the girdle completely rather than gripping it with prongs, so on a band worn hard nothing catches and there are no prongs to wear down. The marquise sits north–south, as our \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/marquise-engagement-rings-the-most-elongating-shape\"\u003eguide to marquise cuts\u003c\/a\u003e explains.\u003c\/p\u003e\n\u003ch2\u003eMetal and Fit\u003c\/h2\u003e\n\u003cp\u003eSolid \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/what-is-925-sterling-silver\"\u003e925 sterling silver\u003c\/a\u003e underneath, finished in \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/what-is-black-ruthenium\"\u003eblack ruthenium\u003c\/a\u003e. Ruthenium is a platinum-group metal, the same family as rhodium and platinum, and it is the harder of the two common black finishes. It settles to a deep gunmetal rather than a tinted gray, and it holds that color under daily wear.\u003c\/p\u003e\n\u003cp\u003eThe profile is a dome: rounded on the outside, flat on the inside, in a standard fit. If you are used to comfort-fit bands, order your true size rather than sizing down. Part of our \u003ca href=\"https:\/\/aquamarise.com\/collections\/mens-rings\"\u003emen's rings\u003c\/a\u003e, \u003ca href=\"https:\/\/aquamarise.com\/collections\/womens-wedding-bands\"\u003ewomen's wedding bands\u003c\/a\u003e and \u003ca href=\"https:\/\/aquamarise.com\/collections\/alexandrite-wedding-bands\"\u003ealexandrite wedding bands\u003c\/a\u003e collections. Alexandrite is a June birthstone; see our \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/what-is-my-birthstone\"\u003ebirthstone guide\u003c\/a\u003e.\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 6 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Dome, standard fit, polished\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter stone:\u003c\/strong\u003e Lab-grown alexandrite, marquise cut, bezel-set, north–south\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor shift:\u003c\/strong\u003e Teal-blue in daylight to violet in warm light\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccent stones:\u003c\/strong\u003e Cubic zirconia pavé in the crescents and stars\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal:\u003c\/strong\u003e Solid 925 sterling silver, black ruthenium finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Crescent moons and four-point stars with milgrain edging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e 8.5 on the Mohs scale (alexandrite)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e 7 to 13, including half sizes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngraving:\u003c\/strong\u003e Available, up to 16 characters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePresentation:\u003c\/strong\u003e Free luxury velvet jewelry box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eCare\u003c\/h2\u003e\n\u003cp\u003eAlexandrite is 8.5 on the Mohs scale and well suited to daily wear. Clean with warm water, mild soap and a soft brush, paying attention to the pavé where skin oils collect, then dry with a soft cloth. Avoid abrasive polishes and silver polishing cloths, which thin a dark finish, and keep the ring out of chlorinated water. Never use an ultrasonic cleaner.\u003c\/p\u003e\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs this a men's ring or a women's ring?\u003c\/summary\u003e\u003cp\u003eEither. Nothing about the design is gendered. A 6 mm width is most commonly worn by men, which is why you will also find it in our men's collections, but it works equally as a women's wedding band or as an engagement ring for anyone.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eDoes it match the Nightbriar alexandrite bridal set?\u003c\/summary\u003e\u003cp\u003eYes, exactly. Same lab-grown alexandrite, same celestial motif, and the same black ruthenium finish, so they stack as a matched pair.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eDoes the color shift actually show?\u003c\/summary\u003e\u003cp\u003eYes. The stone is faceted and open on top, so light passes through it and the shift is clearly visible: teal-blue in daylight, violet under warm indoor light.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs the alexandrite real?\u003c\/summary\u003e\u003cp\u003eYes. It is genuine alexandrite, a chrysoberyl, lab-grown rather than mined. Same chemistry, same hardness, same color-change behavior.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWhat is black ruthenium?\u003c\/summary\u003e\u003cp\u003eRuthenium is a platinum-group metal, the same family as rhodium and platinum. As a black finish it is harder and holds its color better than black rhodium, and it settles to a deep gunmetal rather than a tinted gray.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWill the black finish wear off?\u003c\/summary\u003e\u003cp\u003eNot with normal wear. Ruthenium is hard and bonds well to sterling silver. Like any finish it can thin after years of daily contact, so keep it away from chlorine and abrasive polishes, and we can refinish the ring if it ever needs it.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eAre the pavé stones diamonds?\u003c\/summary\u003e\u003cp\u003eNo. The small stones in the crescents and stars are cubic zirconia. Moissanite or lab-grown diamond accents are available as a custom order.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWhat does bezel-set mean?\u003c\/summary\u003e\u003cp\u003eThe metal wraps around the whole girdle of the stone instead of holding it with prongs, so nothing snags on fabric and there are no prongs to wear thin.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs it standard fit or comfort fit?\u003c\/summary\u003e\u003cp\u003eStandard fit, flat on the inside. If you normally wear comfort-fit bands, order your true measured size rather than sizing down.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs alexandrite a birthstone?\u003c\/summary\u003e\u003cp\u003eYes. Alexandrite is one of the June birthstones, alongside pearl and moonstone.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWhat is it made of?\u003c\/summary\u003e\u003cp\u003eSolid 925 sterling silver throughout, with a black ruthenium finish. No brass or base metal.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eAre the stones ethically sourced?\u003c\/summary\u003e\u003cp\u003eYes. All Aquamarise stones are conflict-free and responsibly sourced, and every order arrives in a free luxury velvet jewelry box.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this a men's ring or a women's ring?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Either. Nothing about the design is gendered. A 6 mm width is most commonly worn by men, but it works equally as a women's wedding band or as an engagement ring for anyone.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does it match the Nightbriar alexandrite bridal set?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, exactly. Same lab-grown alexandrite, same celestial motif, and the same black ruthenium finish, so they stack as a matched pair.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the color shift actually show?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. The stone is faceted and open on top, so light passes through it and the shift is clearly visible: teal-blue in daylight, violet under warm indoor light.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the alexandrite real?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. It is genuine alexandrite, a chrysoberyl, lab-grown rather than mined. Same chemistry, same hardness, same color-change behavior.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is black ruthenium?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Ruthenium is a platinum-group metal, the same family as rhodium and platinum. As a black finish it is harder and holds its color better than black rhodium, and it settles to a deep gunmetal rather than a tinted gray.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will the black finish wear off?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Not with normal wear. Ruthenium is hard and bonds well to sterling silver. Like any finish it can thin after years of daily contact, and we can refinish the ring if it ever needs it.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are the pave stones diamonds?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. The small stones in the crescents and stars are cubic zirconia. Moissanite or lab-grown diamond accents are available as a custom order.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does bezel-set mean?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The metal wraps around the whole girdle of the stone instead of holding it with prongs, so nothing snags on fabric and there are no prongs to wear thin.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is it standard fit or comfort fit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard fit, flat on the inside. If you normally wear comfort-fit bands, order your true measured size rather than sizing down.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is alexandrite a birthstone?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Alexandrite is one of the June birthstones, alongside pearl and moonstone.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is it made of?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Solid 925 sterling silver throughout, with a black ruthenium finish. No brass or base metal.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are the stones ethically sourced?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. All Aquamarise stones are conflict-free and responsibly sourced, and every order arrives in a free luxury velvet jewelry box.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Aquamarise","offers":[{"title":"7","offer_id":53090825634103,"sku":"BOX #860-7","price":210.0,"currency_code":"USD","in_stock":true},{"title":"7.5","offer_id":53090825666871,"sku":"BOX #860-7.5","price":210.0,"currency_code":"USD","in_stock":true},{"title":"8","offer_id":53090825699639,"sku":"BOX #860-8","price":210.0,"currency_code":"USD","in_stock":true},{"title":"8.5","offer_id":53090825732407,"sku":"BOX #860-8.5","price":210.0,"currency_code":"USD","in_stock":true},{"title":"9","offer_id":53090825765175,"sku":"BOX #860-9","price":210.0,"currency_code":"USD","in_stock":true},{"title":"9.5","offer_id":53090825797943,"sku":"BOX #860-9.5","price":210.0,"currency_code":"USD","in_stock":true},{"title":"10","offer_id":53090825830711,"sku":"BOX #860-10","price":210.0,"currency_code":"USD","in_stock":true},{"title":"10.5","offer_id":53090825863479,"sku":"BOX #860-10.5","price":210.0,"currency_code":"USD","in_stock":true},{"title":"11","offer_id":53090825896247,"sku":"BOX #860-11","price":210.0,"currency_code":"USD","in_stock":true},{"title":"11.5","offer_id":53090825929015,"sku":"BOX #860-11.5","price":210.0,"currency_code":"USD","in_stock":true},{"title":"12","offer_id":53090825961783,"sku":"BOX #860-12","price":210.0,"currency_code":"USD","in_stock":true},{"title":"12.5","offer_id":53090825994551,"sku":"BOX #860-12.5","price":210.0,"currency_code":"USD","in_stock":true},{"title":"13","offer_id":53090826027319,"sku":"BOX #860-13","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0537\/0586\/7444\/files\/Alexandrite_Celestial_Wedding_Band_Black_Ruthenium_6mm_front.jpg?v=1791117272","url":"https:\/\/aquamarise.com\/products\/alexandrite-celestial-wedding-band-black-ruthenium-6mm","provider":"Aquamarise","version":"1.0","type":"link"}