{"product_id":"oval-and-asscher-lab-grown-diamond-toi-et-moi-plain-band-ring","title":"Oval and Asscher Cut Lab Grown Diamond Toi et Moi Engagement Ring on a Plain Band in Silver, 10K, 14K and 18K Gold","description":"\u003cp\u003eAn oval cut and an Asscher cut laboratory grown diamond set beside one another on a closed, slim polished band. One stone is all curve and the other is a stepped square with cropped corners, so the two read as opposites sitting together rather than as a matched pair.\u003c\/p\u003e\u003ch2\u003eAt a glance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStones: One oval brilliant and one Asscher cut laboratory grown diamond\u003c\/li\u003e\n\u003cli\u003eCarat options: 2, 3, 4 and 5 carat total between the two stones\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: Two stone toi et moi, claw set side by side on a closed plain shank\u003c\/li\u003e\n\u003cli\u003eAccent stones: None, the two centre stones stand alone\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\u003eToi et moi\u003c\/h2\u003e\u003cp\u003eFrench for you and me. The design is usually traced to 1796, when Napoleon proposed to Josephine with a pear diamond beside a pear sapphire. Two stones, two people, one ring. It is one of the few engagement ring designs that means something specific rather than simply signalling expense.\u003c\/p\u003e\u003ch2\u003eA brilliant against a step cut\u003c\/h2\u003e\u003cp\u003eThe oval is a brilliant: dozens of small triangular facets scattering light into fine sparkle. The Asscher is a step cut: concentric square facets that return light in broad, calm mirror flashes, the effect jewellers call the hall of mirrors. Putting them side by side is the whole design, because the two never behave the same way in the same light. Turn the hand and one flares while the other goes quiet.\u003c\/p\u003e\u003ch2\u003eA closed band\u003c\/h2\u003e\u003cp\u003eMany toi et moi rings sit on open shanks with the stones at the two ends. This one closes in the usual way, with both stones together at the top. It sizes easily, wears comfortably every day, and a wedding band will sit against it, none of which is true of the open versions.\u003c\/p\u003e\u003ch2\u003eWhy the grade is fixed at E and VVS2\u003c\/h2\u003e\u003cp\u003eAn Asscher has a large open table and long step facets that hide nothing. Set beside a brilliant, any tint in it would be obvious by direct comparison. That is why we do not offer a range: both stones are E colour and VVS2 clarity, and they are matched to each other before they are set.\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 is photographed here. On a band this narrow, 10K and 14K keep their shape better over the years than 18K. White gold is rhodium plated and will want replating every one to two years.\u003c\/p\u003e\u003ch2\u003eBoth stones arrive IGI certified\u003c\/h2\u003e\u003cp\u003eBoth diamonds are graded by IGI, the International Gemological Institute, and the certificates come with the ring at no extra charge. Each 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 can show 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, and next to a clean step cut it would be more obvious than usual. 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. The pair is chosen together and the two heads are built at slightly different heights, so the curve of the oval and the flat top of the Asscher sit level to the 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. Work into the join between the two stones and underneath through both galleries. 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 are the diamonds?\u003c\/strong\u003e Both stones are E colour and VVS2 clarity, on every metal and every carat weight, and they are matched to each other.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the carat weight cover both stones?\u003c\/strong\u003e Yes. The 2, 3, 4 and 5 carat options are the combined weight of the oval and the Asscher, split so the two read as a balanced pair.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the certificate really free?\u003c\/strong\u003e Yes. IGI reports for both stones are included in the price on every variant.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill a wedding band sit flush against it?\u003c\/strong\u003e Yes. The band is closed and straight, so a plain or curved band sits neatly beside it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be resized?\u003c\/strong\u003e Yes, easily. The shank is plain all the way round.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I swap which stone sits on which side?\u003c\/strong\u003e Yes. Tell us when you order and we will set the oval on the other side.\u003c\/p\u003e","brand":"Mapple Gems","offers":[{"title":"925 Sterling Silver \/ 2 Carat","offer_id":61203360481420,"sku":"MG-TOA-163-925-2CT","price":790.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 3 Carat","offer_id":61203360514188,"sku":"MG-TOA-163-925-3CT","price":1390.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 4 Carat","offer_id":61203360546956,"sku":"MG-TOA-163-925-4CT","price":1790.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 5 Carat","offer_id":61203360579724,"sku":"MG-TOA-163-925-5CT","price":2290.0,"currency_code":"USD","in_stock":true},{"title":"10K Yellow Gold \/ 2 Carat","offer_id":61203360612492,"sku":"MG-TOA-163-10KY-2CT","price":1566.0,"currency_code":"USD","in_stock":true},{"title":"10K Yellow Gold \/ 3 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