{"product_id":"emerald-cut-lab-grown-diamond-ribbed-multi-rail-shank-ring","title":"Emerald Cut Lab Grown Diamond Ring on a Ribbed Multi Rail Shank in Silver, 10K, 14K and 18K Gold","description":"\u003cp\u003eAn emerald cut laboratory grown diamond in four claws, raised on a shank built from several fine rails that run side by side and fan apart as they reach the stone. The long straight lines of a step cut sit naturally above a band made of parallel lines.\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: Four claws on a multi rail ribbed shank\u003c\/li\u003e\n\u003cli\u003eAccent stones: None\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 shank made of rails\u003c\/h2\u003e\u003cp\u003eRather than one solid band, the shank is formed from several slim rails held together. They stay parallel around the finger, then separate under the stone so the claws appear to rise out of the band. Looked at end on, through the gap beneath the diamond, you can see straight through the ring.\u003c\/p\u003e\u003ch2\u003eStraight lines on straight lines\u003c\/h2\u003e\u003cp\u003eAn emerald cut is all parallel facets and clean edges. Putting it on a ribbed shank repeats that geometry instead of fighting it, which is why this design reads as architectural rather than ornate, even at four or five carats.\u003c\/p\u003e\u003ch2\u003eThe emerald cut\u003c\/h2\u003e\u003cp\u003eA step cut, which means rows of long parallel facets rather than the many small triangles of a brilliant. Instead of fine sparkle you get broad flashes and a clear view into the stone. That openness is why colour and clarity matter more on this shape than on any other, and why we set only E colour, VVS2 stones in it.\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. This ring was photographed in yellow gold, which shows the ribbing on the shank most clearly, but every metal is made to order and priced above. 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\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 rails are shaped and soldered one against the next, then filed and polished as one piece so the grooves stay even the whole way round. The claws are fitted last, tight over the corners where a step cut is most vulnerable. 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. Brush along the grooves between the rails and behind the stone. An emerald cut has open corners, so avoid knocking the ring against hard edges. 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. On a step cut you can see straight through the stone, so this matters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the certificate really free?\u003c\/strong\u003e Yes. The IGI report is included in the price on every variant.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill a wedding band sit flush?\u003c\/strong\u003e A straight band meets the high points of the rails. A slightly curved or shaped band sits closer, and we will make one to match if you ask.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be resized?\u003c\/strong\u003e Yes, though the rails have to be cut and rejoined together, so we would rather make it to your size in the first place. One or two sizes of later adjustment is still straightforward.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I have this shank with a different stone shape?\u003c\/strong\u003e Yes. We also make it with an elongated cushion, and it works with ovals and radiants too. Tell us when you order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the open shank weaken the ring?\u003c\/strong\u003e No. The rails brace each other and are joined along their length, which makes the band stiffer than a single wire of the same weight.\u003c\/p\u003e","brand":"Mapple Gems","offers":[{"title":"925 Sterling Silver \/ 2 Carat","offer_id":61500146974860,"sku":"MG-ETR-189-925-2CT","price":722.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 3 Carat","offer_id":61500147007628,"sku":"MG-ETR-189-925-3CT","price":1322.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 4 Carat","offer_id":61500147040396,"sku":"MG-ETR-189-925-4CT","price":1722.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 5 Carat","offer_id":61500147073164,"sku":"MG-ETR-189-925-5CT","price":2222.0,"currency_code":"USD","in_stock":true},{"title":"10K Yellow Gold \/ 2 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