{"product_id":"radiant-cut-lab-grown-diamond-hidden-halo-marquise-accent-band-ring","title":"Radiant Cut Lab Grown Diamond Hidden Halo Engagement Ring with Marquise and Round Accent Band in Silver, 10K, 14K and 18K Gold","description":"\u003cp\u003eA radiant cut laboratory grown diamond sitting on a hidden halo, above a band set with marquise and round diamonds alternating all the way along the shoulders. The marquises lie lengthwise, the rounds sit between them, and the metal between each stone is left open so the band reads as a chain of shapes rather than a solid row.\u003c\/p\u003e\u003ch2\u003eAt a glance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCentre stone: Radiant 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 radiant with a hidden halo on an alternating marquise and round accent band\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\u003eThe accent band\u003c\/h2\u003e\u003cp\u003eAlternating marquise and round stones is an old vintage device, and it works for a simple reason. A marquise is long and pointed, a round is short and even, so putting them in sequence sets up a rhythm along the finger that a single repeated shape never manages. Each stone is set in its own bezel or claw with air around it, which is what gives the band its lace like quality from the side.\u003c\/p\u003e\u003ch2\u003eHidden halo under a radiant\u003c\/h2\u003e\u003cp\u003eA radiant is a rectangular stone, so its hidden halo is rectangular too, following the cropped corners. Seen from the side it appears as a bright frame beneath the centre stone, lifting it clear of the shoulders. From above, the radiant keeps its clean rectangular outline.\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, as shown, suits the vintage rhythm of the band. 10K is the hardest alloy, 14K is the everyday balance, and 18K is the richest colour but the softest metal. 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. Every marquise on the band has to be set straight along the axis of the shank, and a single one sitting at an angle would be obvious, so they are aligned by eye 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. The open spaces between the accent stones rinse clean easily, but do brush the hidden halo underneath. 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 marquise and round accents are matched to the same grade.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the marquise points protected?\u003c\/strong\u003e Yes. Each point sits inside a small claw rather than being left proud of the metal.\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 accent stones sit proud of the shank, so a straight band leaves small gaps. A contoured band, or a matching marquise and round band, sits much better.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be resized?\u003c\/strong\u003e Within a size or two. The accents run a long way round, so tell us your size as precisely as you can.\u003c\/p\u003e","brand":"Mapple Gems","offers":[{"title":"925 Sterling Silver \/ 2 Carat","offer_id":60999658602636,"sku":"MG-RMB-021-925-2CT","price":778.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 3 Carat","offer_id":60999658635404,"sku":"MG-RMB-021-925-3CT","price":1378.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 4 Carat","offer_id":60999658668172,"sku":"MG-RMB-021-925-4CT","price":1778.0,"currency_code":"USD","in_stock":true},{"title":"925 Sterling Silver \/ 5 Carat","offer_id":60999658700940,"sku":"MG-RMB-021-925-5CT","price":2278.0,"currency_code":"USD","in_stock":true},{"title":"10K Yellow Gold \/ 2 Carat","offer_id":60999658733708,"sku":"MG-RMB-021-10KY-2CT","price":1560.0,"currency_code":"USD","in_stock":true},{"title":"10K Yellow Gold \/ 3 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