Gemstones Certified by Leading Laboratories
Explore natural rubies and sapphires for sale, selected in Chanthaburi and Bangkok, Thailand. Each stone is accompanied by a report from GIA or Lotus Gemology, as specified on its product page. Compare the available stones below by carat weight, shape, origin and disclosed treatments, then request a daylight video or additional report details before choosing.
Explore selected stones:
1.09 ct heart-shaped ruby — GIA report
3.57 ct oval blue sapphire — GIA report
3.14 ct cushion blue sapphire — Lotus Gemology report
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About laboratory reports: read our certified gemstone guide.
Showing all 6 results
1.09 ct GIA Certified Ruby – Heart, Pigeon Blood Burma (Heated, Minor Residues)
Original price was: $2,890.00.$2,700.00Current price is: $2,700.00. Add to cart2.53 ct Pink Sapphire — Cushion Cut — GIA Certified No Heat
Original price was: $2,189.00.$1,889.00Current price is: $1,889.00. Add to cartNatural Blue Sapphire 3.18 ct Round Brilliant – Heated (No Residues), GIA Certified
Original price was: $6,100.00.$5,789.00Current price is: $5,789.00. Add to cartRoyal Blue Ceylon Sapphire 3.14 ct – Antique Cushion – Lotus Report
Original price was: $4,979.00.$4,824.00Current price is: $4,824.00. Add to cartRoyal Blue Sapphire 3.57 ct – GIA Certified (Sri Lanka, Heated)
Original price was: $5,949.00.$5,649.00Current price is: $5,649.00. Add to cartRuby 1.46 ct – Pigeon Blood Cushion Cut – Burma (GIA Certified)
Original price was: $4,699.00.$4,249.00Current price is: $4,249.00. Add to cart
