{"product_id":"emerald-cut-lab-grown-diamond-halo-plain-band-engagement-ring","title":"Emerald Cut Lab Grown Diamond Halo Engagement Ring on a Plain Band in Silver, 10K, 14K and 18K Gold","description":"\u003cp\u003eAn emerald cut laboratory grown diamond framed by a single row of small round diamonds, on a plain polished band. The halo is built as a rectangle with cut corners, following the outline of the stone exactly, so the ring keeps the hard geometry that makes an emerald cut worth choosing.\u003c\/p\u003e\u003ch2\u003eAt a glance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCentre stone: Emerald cut 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 emerald cut inside a matching rectangular halo, on a plain band\u003c\/li\u003e\n\u003cli\u003eAccent stones: 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\u003eA rectangular halo, not a rounded one\u003c\/h2\u003e\u003cp\u003eWrapping round stones around a rectangle is harder than it looks. Done badly the corners fill with metal and the halo softens into an oval, which throws away the shape. Ours turns a true corner: the stones step around the angle and the cut corners of the emerald are echoed in the halo, so the frame is unmistakably rectangular.\u003c\/p\u003e\u003ch2\u003eBrilliant light around step cut light\u003c\/h2\u003e\u003cp\u003eAn emerald cut is a step cut. Its long parallel facets act like mirrors, giving broad flashes of light and dark rather than fast sparkle. The halo is made of round brilliants, which do the opposite. Ringing a calm stone with busy ones sharpens both: the centre looks more still, and the frame looks brighter.\u003c\/p\u003e\u003ch2\u003eHow much bigger it looks\u003c\/h2\u003e\u003cp\u003eA single row halo adds roughly one to one and a half millimetres all the way around. On an emerald cut that reads as perhaps half a carat to a carat of extra apparent size, and because the halo is rectangular it adds length as well as width.\u003c\/p\u003e\u003ch2\u003eWhy clarity matters on an emerald cut\u003c\/h2\u003e\u003cp\u003eStep cut facets are large, flat and open, with nowhere for an inclusion to hide. It is the least forgiving shape in the trade. Our centre stones are VVS2, clean under ten times magnification, which is why we do not offer lower clarity grades on this cut.\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 gold and white gold are both photographed here. Yellow gold draws a warm outline around the halo and emphasises the rectangle; white gold lets halo and centre merge into one bright block. 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. The halo stones are matched to the same E and VVS2 grade, which matters here because they sit in direct contact with a very transparent centre stone.\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 halo is laid out around your individual stone, since emerald cuts vary in how elongated they are, and every accent is set by hand under a microscope. 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. Clean the table of the centre stone often, since a step cut shows any film immediately, and work the brush around the outside of the halo and underneath it.\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. The halo stones are matched to the same grade.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the carat weight include the halo?\u003c\/strong\u003e No. The 2, 3, 4 and 5 carat options refer to the centre emerald cut. The halo is 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\u003eDoes an emerald cut sparkle less than a brilliant?\u003c\/strong\u003e It sparkles differently. A brilliant gives fast small flashes; a step cut gives long broad returns of light and dark. The halo here supplies the fast sparkle if you want both.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill a wedding band sit flush against it?\u003c\/strong\u003e A straight band sits close, though the halo overhangs the shank slightly. Some customers prefer a band with a shallow curve.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be resized?\u003c\/strong\u003e Yes, easily. The band carries no stones.\u003c\/p\u003e","brand":"Mapple Gems","offers":[{"title":"925 Sterling Silver \/ 2 Carat","offer_id":61131237720204,"sku":"MG-EHL-082-925-2CT","price":699.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 3 Carat","offer_id":61131237752972,"sku":"MG-EHL-082-925-3CT","price":1299.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 4 Carat","offer_id":61131237785740,"sku":"MG-EHL-082-925-4CT","price":1699.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 5 Carat","offer_id":61131237818508,"sku":"MG-EHL-082-925-5CT","price":2199.0,"currency_code":"USD","in_stock":true},{"title":"10K Yellow Gold \/ 2 Carat","offer_id":61131237851276,"sku":"MG-EHL-082-10KY-2CT","price":1557.0,"currency_code":"USD","in_stock":true},{"title":"10K Yellow Gold \/ 3 Carat","offer_id":61131237884044,"sku":"MG-EHL-082-10KY-3CT","price":2157.0,"currency_code":"USD","in_stock":true},{"title":"10K Yellow Gold \/ 4 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