{"product_id":"oval-cut-lab-grown-diamond-marquise-sunburst-halo-ring","title":"Oval Cut Lab Grown Diamond Marquise Sunburst Halo Engagement Ring in Silver, 10K, 14K and 18K Gold","description":"\u003cp\u003eAn oval laboratory grown diamond at the centre of a burst of marquise and round diamonds radiating outward, so the head reads as a star or a snowflake rather than a ring of stones. It is a halo in the technical sense and nothing like a halo to look at.\u003c\/p\u003e\u003ch2\u003eAt a glance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCentre stone: Oval brilliant laboratory grown diamond\u003c\/li\u003e\n\u003cli\u003eCarat options: 2, 3, 4 and 5 carat\u003c\/li\u003e\n\u003cli\u003eColour and clarity: E colour, VVS2 clarity\u003c\/li\u003e\n\u003cli\u003eCertificate: IGI, included free\u003c\/li\u003e\n\u003cli\u003eSetting: Claw set oval inside a radiating marquise and round sunburst halo\u003c\/li\u003e\n\u003cli\u003eAccent stones: Marquise and round laboratory grown diamonds, E colour, VVS2\u003c\/li\u003e\n\u003cli\u003eMetals: 925 silver, 10K, 14K and 18K gold in yellow, rose and white\u003c\/li\u003e\n\u003cli\u003eMade: To order in Surat, India\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy it reads as a sunburst\u003c\/h2\u003e\u003cp\u003eA conventional halo sets identical round stones shoulder to shoulder in a closed ring. Here the marquises point outward, away from the centre stone, with smaller rounds filling the gaps between them at a shorter radius. Because the accents have length and direction, the eye follows them outward instead of around, and the head appears to radiate. It is the difference between a wreath and a firework.\u003c\/p\u003e\u003ch2\u003eWhere the design comes from\u003c\/h2\u003e\u003cp\u003eCluster rings built from marquise and round stones around a larger centre were made throughout the Georgian and Victorian periods, when they were called cluster or spray rings. This one keeps that geometry but sets it on a clean modern shank rather than a pierced gallery, so it reads as antique in shape and contemporary in finish.\u003c\/p\u003e\u003ch2\u003eIt wears larger than the stone\u003c\/h2\u003e\u003cp\u003eThe radiating accents extend well past the centre stone in every direction, so even a 2 carat oval covers a substantial part of the finger. If you want maximum presence for a given centre stone, this is the design in the catalogue that delivers it.\u003c\/p\u003e\u003ch2\u003eWhy colour matching matters here\u003c\/h2\u003e\u003cp\u003eThere are a great many accent stones in direct sight of the centre diamond. If any of them were warmer in colour the centre would read grey by comparison, and with this many stones the effect compounds. Every marquise and round accent is matched to the same E colour and VVS2 clarity as the centre.\u003c\/p\u003e\u003ch2\u003eWhat laboratory grown means here\u003c\/h2\u003e\u003cp\u003eA laboratory grown diamond is a diamond. It is crystallised carbon with the same cubic structure, the same 10 on the Mohs scale, the same refractive index of 2.42 and the same dispersion as a mined stone. Ours are grown by chemical vapour deposition and high pressure high temperature methods, then cut and polished by hand. This is not moissanite, not cubic zirconia and not a simulant. A gemmologist testing it will read diamond, because it is diamond.\u003c\/p\u003e\u003ch2\u003eMetals\u003c\/h2\u003e\u003cp\u003eChoose 925 sterling silver, or 10K, 14K or 18K gold in yellow, rose or white. Yellow and rose gold are photographed here, and warm metal between the rays is what separates them into individual points. In white gold the whole head merges into one bright shape, which is a different and quieter effect. White gold is rhodium plated and will want replating every one to two years.\u003c\/p\u003e\u003ch2\u003eEvery centre stone arrives IGI certified\u003c\/h2\u003e\u003cp\u003eThe centre diamond is graded by IGI, the International Gemological Institute, and the certificate comes with the ring at no extra charge. It states the carat weight, the E colour grade, the VVS2 clarity grade, the measurements and the girdle inscription, and confirms in writing that the stone is laboratory grown.\u003c\/p\u003e\u003ch2\u003eAbout the bow tie\u003c\/h2\u003e\u003cp\u003eEvery oval has the potential for a bow tie, a dark band across the middle caused by the proportions of the cut rather than by colour or clarity. No certificate grades it. We check each oval by eye and reject the ones that show it.\u003c\/p\u003e\u003ch2\u003eMade to order in our own workshop\u003c\/h2\u003e\u003cp\u003eMapple Gems is a family run workshop in Surat, India, where most of the world's diamonds are cut and polished. The rays are laid out around your individual oval and each one is set by hand under a microscope. A sunburst that is mathematically perfect looks stiff, so the angles are adjusted by eye. Allow two to three weeks for making, plus shipping.\u003c\/p\u003e\u003ch2\u003eLooking after it\u003c\/h2\u003e\u003cp\u003eWarm water, mild washing up liquid and a soft toothbrush. There are a lot of joints in this head, so work the brush right into the spaces between the rays and underneath the centre stone. Take it off for the gym, gardening and swimming.\u003c\/p\u003e\u003ch2\u003eQuestions we are asked\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat colour and clarity is the diamond?\u003c\/strong\u003e Every centre stone is E colour and VVS2 clarity, on every metal and every carat weight. All accents are matched to the same grade.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the carat weight include the accents?\u003c\/strong\u003e No. The 2, 3, 4 and 5 carat options refer to the centre oval. The sunburst accents are in addition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the certificate really free?\u003c\/strong\u003e Yes. The IGI report for the centre stone is included in the price on every variant.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill a wedding band sit flush against it?\u003c\/strong\u003e No, not flat. The rays extend over the shank on both sides. A contoured band shaped to the outline is the right answer, and many customers wear this ring alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be resized?\u003c\/strong\u003e Yes. The shank itself carries no stones, so resizing does not disturb the head.\u003c\/p\u003e","brand":"Mapple Gems","offers":[{"title":"925 Sterling Silver \/ 2 Carat","offer_id":61131205738636,"sku":"MG-OSB-081-925-2CT","price":798.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 3 Carat","offer_id":61131205771404,"sku":"MG-OSB-081-925-3CT","price":1398.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 4 Carat","offer_id":61131205804172,"sku":"MG-OSB-081-925-4CT","price":1798.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 5 Carat","offer_id":61131205836940,"sku":"MG-OSB-081-925-5CT","price":2298.0,"currency_code":"USD","in_stock":true},{"title":"10K Yellow Gold \/ 2 Carat","offer_id":61131205869708,"sku":"MG-OSB-081-10KY-2CT","price":1586.0,"currency_code":"USD","in_stock":true},{"title":"10K Yellow Gold \/ 3 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