{"title":"Blue stones","description":"\u003cp\u003eLapis lazuli, turquoise, blue chalcedony, blue opal, apatite — across the cool spectrum.\u003c\/p\u003e","products":[{"product_id":"blue-star-sapphire-xa3","title":"Blue Star Sapphire · Chanthaburi, Thailand, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of blue star sapphire from Chanthaburi, Thailand, calibrated to the 6–12 mm working range. Sold by the parcel, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Chanthaburi, Thailand.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParcel:\u003c\/strong\u003e Minimum guaranteed 10 ct total weight. Each parcel typically contains 4–7 pieces within the listed size range. You pay for guaranteed weight; piece count varies because natural material isn't uniform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 6–12 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 541 ct available).\u003c\/p\u003e\n\u003cp class=\"product-variance\"\u003e\u003cstrong\u003eSize note:\u003c\/strong\u003e Wide size variance — stones range from 6 mm to 12 mm (2.0× spread). Expect a mix of sizes rather than uniform stones. Best for cutters, lapidary projects, or mixed-jewellery use; not ideal if you need matched pairs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e Diffusion-treated (industry-standard for blue star sapphires from this region). Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eSetting in jewellery — ring bezels, pendant cabochons, statement earrings. Dome and polish are jewellery-ready.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"15 ct parcel","offer_id":55687099809865,"sku":"XA3-P","price":475.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~2 ct)","offer_id":55688028094537,"sku":"XA3-S","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA3-01-hero_255af4dc-bfe5-4701-a92a-0a84343e4d0b.jpg?v=1778843206"},{"product_id":"blue-opal-xa4","title":"Blue Opal · Ica, Peru, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of blue opal from Ica, Peru, calibrated to the 18 mm working range. Sold by the parcel, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Ica, Peru.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParcel:\u003c\/strong\u003e Minimum guaranteed 10 ct total weight. Each parcel typically contains 1–2 pieces within the listed size range. You pay for guaranteed weight; piece count varies because natural material isn't uniform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 18 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 429 ct available).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003ePremium jewellery settings — bezel mounts in 14k or 18k gold, sterling silver collector pieces. Treat with care: not impact-resistant.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"15 ct parcel","offer_id":55687099842633,"sku":"XA4-P","price":539.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~9 ct)","offer_id":55688028160073,"sku":"XA4-S","price":429.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA4-01-hero_e495b957-da0f-4d34-bab3-62173d1fb3b6.jpg?v=1778843213"},{"product_id":"green-turquoise-xa9","title":"Green Turquoise · Nishapur, Khorasan Razavi, Iran, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of green turquoise from Nishapur, Khorasan Razavi, Iran, calibrated to the 18 mm working range. Sold by the parcel, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Nishapur, Khorasan Razavi, Iran.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParcel:\u003c\/strong\u003e Minimum guaranteed 10 ct total weight. Each parcel typically contains 1–3 pieces within the listed size range. You pay for guaranteed weight; piece count varies because natural material isn't uniform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 18 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 385 ct available).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003ePremium jewellery settings — bezel mounts in 14k or 18k gold, sterling silver collector pieces. Treat with care: not impact-resistant.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"15 ct parcel","offer_id":55687100039241,"sku":"XA9-P","price":609.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~6 ct)","offer_id":55688028291145,"sku":"XA9-S","price":489.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA9-01-hero_e2f68682-aa5f-451b-9328-3100f21ce9df.jpg?v=1778843247"},{"product_id":"larimar-xa16","title":"Larimar · Barahona, Dominican Republic, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of larimar from Barahona, Dominican Republic, calibrated to the 10–16 mm working range. Sold by the parcel, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Barahona, Dominican Republic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParcel:\u003c\/strong\u003e Minimum guaranteed 10 ct total weight. Each parcel typically contains 2–4 pieces within the listed size range. You pay for guaranteed weight; piece count varies because natural material isn't uniform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 10–16 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 628 ct available).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003ePremium jewellery settings — bezel mounts in 14k or 18k gold, sterling silver collector pieces. Treat with care: not impact-resistant.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"15 ct parcel","offer_id":55687100301385,"sku":"XA16-P","price":405.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~4 ct)","offer_id":55688028422217,"sku":"XA16-S","price":205.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA16-01-hero_36adfd5f-0ba1-4f99-a19f-646e161d327e.jpg?v=1778843296"},{"product_id":"blue-apatite-cat-s-eye-xa26","title":"Blue Apatite Cat's Eye · Antsirabe, Madagascar, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of blue apatite cat's eye from Antsirabe, Madagascar, calibrated to the 6–11 mm working range. Sold by the parcel, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Antsirabe, Madagascar.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParcel:\u003c\/strong\u003e Minimum guaranteed 10 ct total weight. Each parcel typically contains 5–9 pieces within the listed size range. You pay for guaranteed weight; piece count varies because natural material isn't uniform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 6–11 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 130 ct available).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eSetting in jewellery — ring bezels, pendant cabochons, statement earrings. Dome and polish are jewellery-ready.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"15 ct parcel","offer_id":55687101055049,"sku":"XA26-P","price":339.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~1 ct)","offer_id":55688029569097,"sku":"XA26-S","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA26-01-hero_fcc8dd19-b9f8-4788-ba04-b17fcb26d342.jpg?v=1778843363"},{"product_id":"blue-star-sapphire-xa44","title":"Blue Star Sapphire · Andilamena, Madagascar, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of blue star sapphire from Andilamena, Madagascar, calibrated to the 5–10 mm working range. Sold by the parcel, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Andilamena, Madagascar.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParcel:\u003c\/strong\u003e Minimum guaranteed 10 ct total weight. Each parcel typically contains 5–8 pieces within the listed size range. You pay for guaranteed weight; piece count varies because natural material isn't uniform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 5–10 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 108 ct available).\u003c\/p\u003e\n\u003cp class=\"product-variance\"\u003e\u003cstrong\u003eSize note:\u003c\/strong\u003e Wide size variance — stones range from 5 mm to 10 mm (2.0× spread). Expect a mix of sizes rather than uniform stones. Best for cutters, lapidary projects, or mixed-jewellery use; not ideal if you need matched pairs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eSetting in jewellery — ring bezels, pendant cabochons, statement earrings. Dome and polish are jewellery-ready.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"15 ct parcel","offer_id":55687101972553,"sku":"XA44-P","price":475.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~2 ct)","offer_id":55688030060617,"sku":"XA44-S","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA44-01-hero_28315c5b-0e53-40c4-ab89-3ffb07a4b077.jpg?v=1778843485"},{"product_id":"blue-chalcedony-xa46","title":"Blue Chalcedony · Sukabumi, West Java, Indonesia, 4-piece lot (~121 ct)","description":"\u003cp class=\"product-lede\"\u003eA hand-graded 4-piece lot of cabochons of blue chalcedony from Sukabumi, West Java, Indonesia, calibrated to the 21–25 mm working range. Sold as one curated lot, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Sukabumi, West Java, Indonesia.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLot:\u003c\/strong\u003e Curated 4-piece selection sold as a single unit. Total weight approximately 121 ct, hand-photographed exactly as shipped — you receive the stones in the photograph, no substitution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 21–25 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 121 ct total (entire lot).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eLapidary projects, robust everyday-wear jewellery, or studio display. Durable (Mohs 6.5+).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"4-piece lot (121 ct)","offer_id":55687102038089,"sku":"XA46-L","price":485.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~30 ct)","offer_id":55688154841161,"sku":"XA46-S","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA46-01-hero_6819522e-6cda-4390-8a55-1ae96789365c.jpg?v=1778843498"},{"product_id":"blue-turquoise-xa71","title":"Blue Turquoise · Arizona, USA, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of blue turquoise from Arizona, USA, calibrated to the 13–26 mm working range. Sold by the parcel, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Arizona, USA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParcel:\u003c\/strong\u003e Minimum guaranteed 10 ct total weight. Each parcel typically contains 1–2 pieces within the listed size range. You pay for guaranteed weight; piece count varies because natural material isn't uniform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 13–26 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 96 ct available).\u003c\/p\u003e\n\u003cp class=\"product-variance\"\u003e\u003cstrong\u003eSize note:\u003c\/strong\u003e Wide size variance — stones range from 13 mm to 26 mm (2.0× spread). Expect a mix of sizes rather than uniform stones. Best for cutters, lapidary projects, or mixed-jewellery use; not ideal if you need matched pairs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003ePremium jewellery settings — bezel mounts in 14k or 18k gold, sterling silver collector pieces. Treat with care: not impact-resistant.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"15 ct parcel","offer_id":55687103742025,"sku":"XA71-P","price":675.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~10 ct)","offer_id":55688031076425,"sku":"XA71-S","price":539.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA71-01-hero_3b0e9592-cba2-45e1-9218-f657f55a6f28.jpg?v=1778843669"},{"product_id":"blue-turquoise-xa93","title":"Blue Turquoise · Nishapur, Khorasan Razavi, Iran, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of blue turquoise from Nishapur, Khorasan Razavi, Iran, calibrated to the 13–25 mm working range. Sold by the parcel, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Nishapur, Khorasan Razavi, Iran.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParcel:\u003c\/strong\u003e Minimum guaranteed 10 ct total weight. Each parcel typically contains 1–3 pieces within the listed size range. You pay for guaranteed weight; piece count varies because natural material isn't uniform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 13–25 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 1126 ct available).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003ePremium jewellery settings — bezel mounts in 14k or 18k gold, sterling silver collector pieces. Treat with care: not impact-resistant.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"15 ct parcel","offer_id":55687105151049,"sku":"XA93-P","price":675.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~5 ct)","offer_id":55688031600713,"sku":"XA93-S","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA93-01-hero_6a2dd76a-8ce0-4779-959d-d548cc91b782.jpg?v=1778843818"}],"url":"https:\/\/thestoneatlas.com\/collections\/blue-stones.oembed","provider":"The Stone Atlas","version":"1.0","type":"link"}