{"title":"Star stones (asterism)","description":"\u003cp\u003eAsterism — the four- or six-rayed star flash from oriented rutile inclusions. Star sapphires, star rubies, star garnets, star diopside.\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":"black-star-sapphire-xa28","title":"Black Star Sapphire · Tunduru, Tanzania, ~11 ct piece","description":"\u003cp class=\"product-lede\"\u003eA hand-graded cabochon of black star sapphire from Tunduru, Tanzania, calibrated to the 11–26 mm working range. Sold as a single piece, 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 Tunduru, Tanzania.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e One specific cabochon, weighing approximately 11 ct, hand-graded from a parent lot of 942 ct. Each stone is similar in size and grade; you receive one cab matched to the listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 11–26 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e ~11 ct per piece.\u003c\/p\u003e\n\u003cp class=\"product-variance\"\u003e\u003cstrong\u003eSize note:\u003c\/strong\u003e Stones in the parent lot range widely from 11 mm to 26 mm (2.4× spread). The specific piece you receive may be on either end of that range — request a photo before ordering if size is critical.\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":"Single piece (~11 ct)","offer_id":55687101120585,"sku":"XA28-S","price":675.0,"currency_code":"USD","in_stock":true},{"title":"3-piece set (~33 ct, 8% off)","offer_id":55688154284105,"sku":"XA28-3","price":2025.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA28-01-hero_df5004c4-f69a-4962-b329-5e4a86c22c6b.jpg?v=1778843376"},{"product_id":"star-garnet-xa31","title":"Star Garnet · Orissa, India, 1-piece lot (~427 ct)","description":"\u003cp class=\"product-lede\"\u003eA hand-graded 1-piece lot of cabochons of star garnet from Orissa, India, calibrated to the 43 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 Orissa, India.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLot:\u003c\/strong\u003e Curated 1-piece selection sold as a single unit. Total weight approximately 427 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 43 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 427 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\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":"Single piece (427 ct)","offer_id":55687101218889,"sku":"XA31-S","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA31-01-hero_a1034e4a-f5a5-4c52-950b-ed4fcdbb2135.jpg?v=1778843397"},{"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":"star-ruby-xa63","title":"Star Ruby · Longido, Tanzania, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of star ruby from Longido, Tanzania, calibrated to the 9–16 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 Longido, Tanzania.\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 9–16 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 256 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":55687103447113,"sku":"XA63-P","price":539.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~6 ct)","offer_id":55688030715977,"sku":"XA63-S","price":429.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA63-01-hero_a311fb65-5b77-4949-8093-31124411e858.jpg?v=1778843615"},{"product_id":"red-garnet-star-xa68","title":"Red Garnet Star · Umba Valley, Tanzania, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of red garnet star from Umba Valley, Tanzania, calibrated to the 8–14 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 Umba Valley, Tanzania.\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 8–14 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 489 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":55687103643721,"sku":"XA68-P","price":475.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~5 ct)","offer_id":55688031043657,"sku":"XA68-S","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA68-01-hero_d79d651f-6b94-49d3-afde-4c7095873dde.jpg?v=1778843648"},{"product_id":"black-star-diopside-xa74","title":"Black Star Diopside · Karnataka, India, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of black star diopside from Karnataka, India, calibrated to the 12–22 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 Karnataka, India.\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 12–22 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 1626 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":55687103873097,"sku":"XA74-P","price":245.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~5 ct)","offer_id":55688031207497,"sku":"XA74-S","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA74-01-hero_a181985c-d4a2-4d0e-a7dd-32fd8f0f85a6.jpg?v=1778843689"},{"product_id":"green-gold-star-quartz-xa81","title":"Green Gold Star Quartz · Singida, Tanzania, 4-piece lot (~542 ct)","description":"\u003cp class=\"product-lede\"\u003eA hand-graded 4-piece lot of cabochons of green gold star quartz from Singida, Tanzania, calibrated to the 26–43 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 Singida, Tanzania.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLot:\u003c\/strong\u003e Curated 4-piece selection sold as a single unit. Total weight approximately 542 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 26–43 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 542 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\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":"4-piece lot (542 ct)","offer_id":55687104430153,"sku":"XA81-L","price":729.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~136 ct)","offer_id":55688157003849,"sku":"XA81-S","price":245.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA81-01-hero_838e1580-bcc6-4645-b0bf-d623c8c0490c.jpg?v=1778843737"}],"url":"https:\/\/thestoneatlas.com\/collections\/star-stones\/tone-lapis.oembed","provider":"The Stone Atlas","version":"1.0","type":"link"}