{"product_id":"oval-cut-lab-grown-diamond-halo-round-diamond-band-ring","title":"Oval Cut Lab Grown Diamond Double Halo Engagement Ring on a Round Diamond Band in Silver, 10K, 14K and 18K Gold","description":"\u003cp\u003eAn oval laboratory grown diamond inside a close set halo, with a second fine row of diamonds around the outside of the setting, on a band of larger round stones held in shared claws. It is a ring built almost entirely out of diamond: from above there is barely any metal visible at all.\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: Oval halo with a milgrain edge outer row, on a shared claw round diamond 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\u003eTwo rows around the oval\u003c\/h2\u003e\u003cp\u003eThe inner halo sits tight against the girdle of the centre stone so it reads as part of the oval rather than as a frame. A second, finer row runs around the outside edge of the setting, which softens the transition from stone to metal and adds a rim of light that catches from the side as well as from above. Together they make the centre stone look substantially larger, usually by close to half a carat of apparent size.\u003c\/p\u003e\u003ch2\u003eThe band\u003c\/h2\u003e\u003cp\u003eRather than fine pave, the shoulders carry proper round diamonds, each roughly the same size as the next, set in shared claws so the stones touch and the metal between them almost disappears. That is a more expensive way to build a band than pave and a much brighter one, because each stone is large enough to throw its own flashes instead of contributing to a general shimmer.\u003c\/p\u003e\u003ch2\u003eA vintage outline\u003c\/h2\u003e\u003cp\u003eThe oval shape of the halo, the doubled rows and the beaded edge belong to the Edwardian tradition rather than the modern one. It is a ring designed to look like something found rather than something bought, which is why it sits well beside a curved or contoured wedding band.\u003c\/p\u003e\u003ch2\u003eAbout the photographs\u003c\/h2\u003e\u003cp\u003eSome images show the ring worn with a curved band set with pearls and diamonds. That band is a separate piece and is not included with this ring.\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. Rose and yellow gold are both photographed here, and on a ring with this much diamond the metal reads as a warm outline drawn around the stones. 10K is the hardest alloy, 14K the everyday balance, 18K the richest colour. 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 and band diamonds are matched to the same E and VVS2 grade, which matters especially on the band here, where the stones are large enough for a mismatch to show.\u003c\/p\u003e\u003ch2\u003eAbout the bow tie\u003c\/h2\u003e\u003cp\u003eEvery oval can show a bow tie, a dark band across the middle of the stone caused by the proportions of the cut rather than by colour or clarity. No certificate grades it. We check every 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. Both rows of the halo are laid out around your particular centre stone so the spacing is even all the way round, and the band stones are graded to sit level with one another. 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. A ring with this many small stones needs the brush worked around the outside of the halo, underneath it, and along both sides of the band. 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. The halo and band stones are matched to the same grade.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the carat weight include the halo and band?\u003c\/strong\u003e No. The 2, 3, 4 and 5 carat options refer to the centre oval. Everything else 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\u003eWill a wedding band sit flush against it?\u003c\/strong\u003e The halo overhangs the shoulders slightly, so a straight band leaves a small gap. A curved or contoured band nests properly against it, which is how it is photographed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be resized?\u003c\/strong\u003e Only a little. The diamonds run well round the band, leaving a short plain section at the back. Please measure carefully and we will build to your size.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the pearl band included?\u003c\/strong\u003e No. It is shown in the photographs to illustrate how the ring nests, but it is a separate piece.\u003c\/p\u003e","brand":"Mapple Gems","offers":[{"title":"925 Sterling Silver \/ 2 Carat","offer_id":61196568264844,"sku":"MG-OHB-142-925-2CT","price":794.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 3 Carat","offer_id":61196568297612,"sku":"MG-OHB-142-925-3CT","price":1394.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 4 Carat","offer_id":61196568330380,"sku":"MG-OHB-142-925-4CT","price":1794.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 5 Carat","offer_id":61196568363148,"sku":"MG-OHB-142-925-5CT","price":2294.0,"currency_code":"USD","in_stock":true},{"title":"10K Yellow Gold \/ 2 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