A taste of the stone
October's shelf is the trickiest to buy honestly — and the most rewarding. Solid opal, doublet, and triplet are different things at different prices; tourmaline is the every-colour stone, watermelon its party piece. Sellers should name which is which.
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Listings checked individually through by MyPiece Editorial.
Ring · Solitaire
14K solid yellow gold · natural opal (genuine, untreated per listing) + diamond accent
An untreated natural opal with a diamond accent in solid 14K gold — reviewers note it runs a little small, so size up.
Ring · Solitaire
10K solid gold · lab-grown/created opal (honestly labeled "Lab Grown" in title)
An oval lab-grown opal in solid 10K gold, made in the USA — its own title says 'Lab Grown' plainly.
Ring · Eternity
Sterling silver · created/lab fire opal
Six created fire opals stacked into an eternity band, sterling silver, stackable and hypoallergenic.
Ring · Handmade
Sterling silver · natural pink tourmaline
A handmade natural pink tourmaline ring in sterling silver — the thinnest review count on this shelf, worth keeping an eye on.
Necklace · Pendant
Sterling silver · created/lab white opal
A dainty created white opal on sterling silver — the shelf's best-selling October pick by review count.
Necklace · Pendant
14K solid yellow gold · created fire opal
A classic created fire opal solitaire in solid 14K gold — everyday wear without the natural stone's fragility.
Necklace · Pendant
18kt gold-plated sterling silver · natural opal + natural pink tourmaline
October's two stones together — natural opal and natural pink tourmaline on gold-plated sterling, from a 70-year retailer.
Earrings · Studs
Sterling silver · created fire opal
Round created fire opal studs in hypoallergenic sterling silver — the accessible, everyday pair.
Earrings · Studs
14K solid gold · created fire opal
Cushion-cut created fire opal studs in solid 14K gold — the nicer-tier pairing, still honestly a created stone.
Earrings · Studs
Sterling silver · natural green tourmaline (VS2 clarity per spec)
Bezel-set natural green tourmaline studs from a century-old seller — no reviews yet, but a reputable house behind it.
Bracelet · Tennis
Sterling silver · created white fire opal
An infinity-motif tennis bracelet in created white fire opal, sterling silver — the accessible line-bracelet pick.
Bracelet · Tennis
Sterling silver · created green fire opal
The same tennis bracelet in a green created fire opal teardrop — colour variety alongside the white.
Ring · Solitaire
Solid 14K rose gold · natural pink tourmaline (0.80ct pear) + diamond accent
A pear of natural pink tourmaline with a diamond accent in solid rose gold — the nicer tier for October's second stone.
Sources
These links and checked dates record the listing evidence used for this shelf. They are maintained snapshots, not claims about live price, rating or availability.
FAQ
A opal & tourmaline piece is a natural October birthday gift. Pendants and stud earrings avoid ring-size guesswork, while a ring or bracelet makes a larger statement. Every selection here records the listed metal and reports the gemstone classification when the source states one; an unspecified origin remains explicitly unspecified.
Often, yes. A lab-created stone has the same material composition as its natural counterpart, while a simulated stone such as cubic zirconia or moissanite imitates a look using a different material. The distinction matters more than either category being treated as inherently inferior, which is why the selections state the recorded composition plainly.
Opal: look for play-of-colour; at Mohs 5.5–6.5, it needs more protection from scratches and impact. Tourmaline: look for every colour; at Mohs 7–7.5, it can suit frequent wear. Also check the recorded metal and whether the stone is natural, cultured, lab-created, or simulated.