{"product_id":"2-5-carat-blue-cushion-cut-lab-grown-diamond-engagement-ring-hidden-halo","title":"2.5 Carat Blue Lab Grown Diamond Engagement Ring – Cushion Cut Hidden Halo","description":"\u003cstyle\u003e\n  .mohana-pdp { font-family: inherit; color: #2b2b2b; line-height: 1.65; max-width: 100%; }\n  .mohana-pdp * { font-family: inherit; }\n  .mohana-pdp p { margin: 0 0 1em; font-size: 0.97rem; }\n  .mohana-pdp ul { margin: 0 0 1em 0; padding: 0; list-style: none; }\n  .mohana-pdp ul li { position: relative; padding-left: 1.4em; margin-bottom: 0.55em; font-size: 0.97rem; }\n  .mohana-pdp ul li::before { content: \"✦\"; color: #4a6fa5; position: absolute; left: 0; top: 0; }\n  .mohana-pdp details { border-top: 1px solid #d5dce8; padding: 16px 0; }\n  .mohana-pdp details:last-of-type { border-bottom: 1px solid #d5dce8; }\n  .mohana-pdp summary { cursor: pointer; font-weight: 600; font-size: 1.02rem; letter-spacing: 0.015em; list-style: none; display: flex; justify-content: space-between; align-items: center; padding: 6px 0; color: #1f1f1f; }\n  .mohana-pdp summary::-webkit-details-marker { display: none; }\n  .mohana-pdp summary::after { content: \"+\"; color: #4a6fa5; font-size: 1.5rem; font-weight: 300; line-height: 1; transition: transform 0.25s ease; }\n  .mohana-pdp details[open] summary::after { content: \"−\"; }\n  .mohana-pdp details \u003e *:not(summary) { margin-top: 14px; }\n  .mohana-pdp .spec-table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 0.93rem; }\n  .mohana-pdp .spec-table td { padding: 11px 12px; border-bottom: 1px solid #e6ecf5; text-align: left; vertical-align: top; }\n  .mohana-pdp .spec-table td:first-child { font-weight: 600; width: 40%; color: #3a3a3a; }\n  .mohana-compare-wrap { border: 1px solid #d8e1ed; border-radius: 14px; overflow: hidden; margin: 16px 0 8px; background: #fff; }\n  .mohana-compare-wrap .compare-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }\n  .mohana-compare-wrap .compare-table th, .mohana-compare-wrap .compare-table td { padding: 13px 16px; text-align: left; border-bottom: 1px solid #e9eef7; border-right: 1px solid #e9eef7; vertical-align: middle; }\n  .mohana-compare-wrap .compare-table th:last-child, .mohana-compare-wrap .compare-table td:last-child { border-right: none; }\n  .mohana-compare-wrap .compare-table tr:last-child td { border-bottom: none; }\n  .mohana-compare-wrap .compare-table thead th { background: #dde4f0; color: #1f2b40; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.78rem; }\n  .mohana-compare-wrap .compare-table thead th.mohana-head { background: #b8c8de; color: #1a2335; }\n  .mohana-compare-wrap .compare-table td.mohana-col { background: #f4f7fb; color: #2c3a55; font-weight: 600; }\n  .mohana-compare-wrap .compare-table td.feature-label { font-weight: 500; color: #3a3a3a; }\n  @media (max-width: 640px) { .mohana-compare-wrap { overflow-x: auto; } .mohana-compare-wrap .compare-table { min-width: 560px; } }\n  .mohana-pdp h3 { font-size: 0.98rem; margin: 18px 0 6px; font-weight: 600; color: #2b2b2b; }\n  .mohana-pdp a { color: #1f2b40; text-decoration: underline; text-underline-offset: 3px; }\n  .mohana-pdp .price-line { color: #3f5172; font-style: italic; font-size: 0.92rem; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"mohana-pdp\"\u003e\n\n  \u003cp\u003e\u003cstrong\u003eA 2.5-carat fancy blue lab grown diamond, cushion-cut and set in a hidden halo design — handcrafted to order.\u003c\/strong\u003e Handcrafted in your choice of solid gold or platinum.\u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e2.5ct blue center\u003c\/strong\u003e — Fancy Blue lab grown diamond, VS (Best Only) clarity\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCushion cut\u003c\/strong\u003e for vintage romance with modern brilliance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSide stones:\u003c\/strong\u003e Approximately 16 pavé round brilliants tucked beneath the center (~0.4 ct total)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShank width:\u003c\/strong\u003e 2.5mm — balanced for the 2.5ct hidden halo center\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIGI® or GIA® certified\u003c\/strong\u003e — independent grading report included\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eYour choice of metal:\u003c\/strong\u003e 10K, 14K, 18K solid gold or platinum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFree worldwide insured shipping\u003c\/strong\u003e + lifetime warranty\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp class=\"price-line\"\u003eMade to order in 1–2 weeks · 30-day returns · Starting at $2180.00\u003c\/p\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eFull Specifications\u003c\/summary\u003e\n    \u003ctable class=\"spec-table\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCenter Stone\u003c\/td\u003e\n\u003ctd\u003e2.5 ct Lab Grown Diamond, Fancy Blue, Cushion, VS (Best Only) Clarity, Excellent Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCenter Stone Size\u003c\/td\u003e\n\u003ctd\u003e8x8mm · \u003ca href=\"https:\/\/www.mohanajewels.com\/pages\/diamond-size-guide\" target=\"_blank\" rel=\"noopener\"\u003eDiamond size guide\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSetting\u003c\/td\u003e\n\u003ctd\u003eHidden Halo\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSide Stones\u003c\/td\u003e\n\u003ctd\u003eApproximately 16 pavé round brilliants tucked beneath the center (~0.4 ct total)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTotal Carat Weight\u003c\/td\u003e\n\u003ctd\u003e2.5 ct center (accent carat varies by configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eShank Width\u003c\/td\u003e\n\u003ctd\u003e2.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMetal Options\u003c\/td\u003e\n\u003ctd\u003e10K, 14K, 18K Solid Gold, Platinum Pure\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMetal Colors\u003c\/td\u003e\n\u003ctd\u003eYellow, Rose, White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eIGI® or GIA® diamond grading report\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eProduction\u003c\/td\u003e\n\u003ctd\u003eHandcrafted to order — 1–2 weeks\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eFree insured worldwide shipping, lifetime warranty, 30-day returns\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow Mohana Compares\u003c\/summary\u003e\n    \u003cp\u003eMajor retailers rarely stock natural blue diamond engagement rings, and when they do, prices start at $10,000–$30,000+ due to the extreme rarity of blue diamonds in nature. Mohana delivers IGI\/GIA-certified lab grown blue diamonds at a fraction of that, handcrafted to your specifications, starting at $2180.00.\u003c\/p\u003e\n    \u003cdiv class=\"mohana-compare-wrap\"\u003e\n      \u003ctable class=\"compare-table\"\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eFeature\u003c\/th\u003e\n            \u003cth class=\"mohana-head\"\u003eMohana Jewels\u003c\/th\u003e\n            \u003cth\u003eBrilliant Earth\u003c\/th\u003e\n            \u003cth\u003eBlue Nile\u003c\/th\u003e\n            \u003cth\u003eJames Allen\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd class=\"feature-label\"\u003eBlue diamond options\u003c\/td\u003e\n\u003ctd class=\"mohana-col\"\u003eAvailable in blue, pink, yellow, green\u003c\/td\u003e\n\u003ctd\u003eMostly white only\u003c\/td\u003e\n\u003ctd\u003eWhite only\u003c\/td\u003e\n\u003ctd\u003eWhite only\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd class=\"feature-label\"\u003eCenter stone\u003c\/td\u003e\n\u003ctd class=\"mohana-col\"\u003e2.5ct Cushion Fancy Blue VS (Best Only)\u003c\/td\u003e\n\u003ctd\u003e1–2ct Cushion\u003c\/td\u003e\n\u003ctd\u003e1–2ct Cushion\u003c\/td\u003e\n\u003ctd\u003e1–2ct Cushion\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd class=\"feature-label\"\u003eSetting style\u003c\/td\u003e\n\u003ctd class=\"mohana-col\"\u003eHidden Halo\u003c\/td\u003e\n\u003ctd\u003eStandard Hidden Halo\u003c\/td\u003e\n\u003ctd\u003eStandard Hidden Halo\u003c\/td\u003e\n\u003ctd\u003eStandard Hidden Halo\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd class=\"feature-label\"\u003eTotal carat weight\u003c\/td\u003e\n\u003ctd class=\"mohana-col\"\u003e2.5 ct+\u003c\/td\u003e\n\u003ctd\u003e1.5–2.5 ct\u003c\/td\u003e\n\u003ctd\u003e1.5–2.5 ct\u003c\/td\u003e\n\u003ctd\u003e1.5–2.5 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd class=\"feature-label\"\u003eShank width\u003c\/td\u003e\n\u003ctd class=\"mohana-col\"\u003e2.5mm\u003c\/td\u003e\n\u003ctd\u003eNot stated\u003c\/td\u003e\n\u003ctd\u003eNot stated\u003c\/td\u003e\n\u003ctd\u003eNot stated\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd class=\"feature-label\"\u003eMetal options\u003c\/td\u003e\n\u003ctd class=\"mohana-col\"\u003e10K \/ 14K \/ 18K + Platinum\u003c\/td\u003e\n\u003ctd\u003e14K \/ 18K\u003c\/td\u003e\n\u003ctd\u003e14K \/ 18K\u003c\/td\u003e\n\u003ctd\u003e14K \/ 18K + Platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd class=\"feature-label\"\u003eMade to order\u003c\/td\u003e\n\u003ctd class=\"mohana-col\"\u003eYes — handcrafted\u003c\/td\u003e\n\u003ctd\u003ePre-made inventory\u003c\/td\u003e\n\u003ctd\u003ePre-made inventory\u003c\/td\u003e\n\u003ctd\u003eLimited custom\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd class=\"feature-label\"\u003eInsurance on shipping\u003c\/td\u003e\n\u003ctd class=\"mohana-col\"\u003eIncluded free\u003c\/td\u003e\n\u003ctd\u003eSeparate purchase\u003c\/td\u003e\n\u003ctd\u003eSeparate purchase\u003c\/td\u003e\n\u003ctd\u003eSeparate purchase\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd class=\"feature-label\"\u003eStarting price\u003c\/td\u003e\n\u003ctd class=\"mohana-col\"\u003e$2180.00\u003c\/td\u003e\n\u003ctd\u003e$10,000+\u003c\/td\u003e\n\u003ctd\u003e$9,000+\u003c\/td\u003e\n\u003ctd\u003e$8,500+\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eAbout Blue Lab Grown Diamonds\u003c\/summary\u003e\n    \u003cp\u003eFancy blue diamonds are among the rarest colored diamonds on earth — the Hope Diamond, the Cullinan Blue, and the Oppenheimer Blue have all set auction records at $30M–$50M+ apiece. Natural blue diamonds owe their color to trace boron in the crystal lattice, and only a tiny fraction of mined diamonds show true blue saturation. Lab grown technology makes the romance of a true blue diamond accessible without the financial or ethical burden.\u003c\/p\u003e\n    \u003cp\u003eMohana's blue lab grown diamonds are \u003cstrong\u003echemically, optically, and physically identical to mined blue diamonds\u003c\/strong\u003e — graded by the same IGI and GIA laboratories using the same scales. The boron-tinted color is part of the diamond's atomic structure, not a surface treatment, and will not fade.\u003c\/p\u003e\n    \u003cp\u003eBlue diamonds pair most beautifully with \u003ca href=\"\/collections\/halo-pave-setting-ring\"\u003ewhite gold or platinum settings\u003c\/a\u003e, which amplify the cool blue tone. For warm contrast, choose yellow gold. Explore the full \u003ca href=\"\/collections\/blue-color\"\u003eblue diamond collection\u003c\/a\u003e.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eFrequently Asked Questions\u003c\/summary\u003e\n\n    \u003ch3\u003eAre blue lab grown diamonds real diamonds?\u003c\/h3\u003e\n    \u003cp\u003eYes. Lab grown blue diamonds are 100% real diamonds — same crystal structure, same hardness (10 on the Mohs scale), same optical brilliance as mined blue diamonds. Every Mohana blue diamond is certified by IGI or GIA.\u003c\/p\u003e\n\n    \u003ch3\u003eHow many side stones does this ring have?\u003c\/h3\u003e\n    \u003cp\u003eApproximately 16 pavé round brilliants tucked beneath the center (~0.4 ct total). For exact stone count on your specific configuration, our craft team can confirm before production — contact \u003ca href=\"\/pages\/contact-us\"\u003ecustomer support\u003c\/a\u003e.\u003c\/p\u003e\n\n    \u003ch3\u003eWhat is the shank width of this ring?\u003c\/h3\u003e\n    \u003cp\u003eThe shank (the band around your finger) measures 2.5mm wide. At 2.5mm the band is slim enough to feel delicate on the finger while still substantial enough to support the hidden halo design. The shank width is consistent across all metal options.\u003c\/p\u003e\n\n    \u003ch3\u003eHow much does a 2.5 carat blue lab grown diamond engagement ring cost?\u003c\/h3\u003e\n    \u003cp\u003eThe Mohana starts at $2180.00 in 10K solid gold and scales up with 14K, 18K, and platinum. A natural mined blue diamond of comparable size and saturation would cost $300,000 to $3M+.\u003c\/p\u003e\n\n    \u003ch3\u003eWill the blue color fade over time?\u003c\/h3\u003e\n    \u003cp\u003eNo. The boron-tinted color in a lab grown blue diamond is part of the diamond's atomic structure, not a treatment. It will not fade over a lifetime of wear.\u003c\/p\u003e\n\n    \u003ch3\u003eCan this ring be resized?\u003c\/h3\u003e\n    \u003cp\u003eYes — complimentary resizing within the first year. Full eternity bands are the exception due to their continuous diamond setting.\u003c\/p\u003e\n\n    \u003ch3\u003eWhat is a hidden halo setting?\u003c\/h3\u003e\n    \u003cp\u003eA ring of small diamonds tucked just beneath the center stone — invisible from above, but a hidden flash of light from the side.\u003c\/p\u003e\n\n    \u003ch3\u003eWhat's included with my ring?\u003c\/h3\u003e\n    \u003cp\u003eThe IGI® or GIA® grading report, a signed Mohana certificate of authenticity, free worldwide insured shipping, a lifetime craftsmanship warranty, a 30-day return window, and complimentary resizing within the first year.\u003c\/p\u003e\n\n    \u003ch3\u003eHow long does it take to make and ship?\u003c\/h3\u003e\n    \u003cp\u003eEach ring is handcrafted to order in 1–2 weeks, then ships free worldwide with full insurance.\u003c\/p\u003e\n\n    \u003ch3\u003eCan I customize this ring?\u003c\/h3\u003e\n    \u003cp\u003eYes — contact our team through \u003ca href=\"\/pages\/contact-us\"\u003ecustomer support\u003c\/a\u003e to request a custom variation in a different carat, shape, or metal combination.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"Mohana Jewels","offers":[{"title":"10K Solid Gold \/ Yellow Gold","offer_id":53914647593244,"sku":"MJ-8041-2.5-10K","price":2180.0,"currency_code":"USD","in_stock":true},{"title":"10K Solid Gold \/ White Gold","offer_id":53914647626012,"sku":"MJ-8042-2.5-10K","price":2180.0,"currency_code":"USD","in_stock":true},{"title":"10K Solid Gold \/ Rose Gold","offer_id":53914647658780,"sku":"MJ-8043-2.5-10K","price":2180.0,"currency_code":"USD","in_stock":true},{"title":"14K Solid Gold \/ Yellow Gold","offer_id":53914647691548,"sku":"MJ-8044-2.5-14K","price":2380.0,"currency_code":"USD","in_stock":true},{"title":"14K Solid Gold \/ White Gold","offer_id":53914647724316,"sku":"MJ-8045-2.5-14K","price":2380.0,"currency_code":"USD","in_stock":true},{"title":"14K Solid Gold \/ Rose Gold","offer_id":53914647757084,"sku":"MJ-8046-2.5-14K","price":2380.0,"currency_code":"USD","in_stock":true},{"title":"18K Solid Gold \/ Yellow Gold","offer_id":53914647789852,"sku":"MJ-8047-2.5-18K","price":2580.0,"currency_code":"USD","in_stock":true},{"title":"18K Solid Gold \/ White Gold","offer_id":53914647822620,"sku":"MJ-8048-2.5-18K","price":2580.0,"currency_code":"USD","in_stock":true},{"title":"18K Solid Gold \/ Rose Gold","offer_id":53914647855388,"sku":"MJ-8049-2.5-18K","price":2580.0,"currency_code":"USD","in_stock":true},{"title":"Platinum Pure \/ Platinum Pure","offer_id":53914647888156,"sku":"MJ-8050-2.5-PLA","price":2580.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/6576\/7708\/files\/2-5-carat-blue-lab-grown-diamond-engagement-ring-cushion-cut-hidden-445.webp?v=1778889774","url":"https:\/\/www.mohanajewels.com\/products\/2-5-carat-blue-cushion-cut-lab-grown-diamond-engagement-ring-hidden-halo","provider":"Mohana Jewels - Luxury ","version":"1.0","type":"link"}