The item was successfully added to the shopping cart. View Cart #BEADS0540 - Large 20mm Black Diamond Octagon Glass Rhinestone - As Low as 30¢ each Vintage 20mm (.8") tall eight sided rhinestone. Clear glass with a dark tint to it. Many facets. Foiled pointy back. Packages said  "Black Diamond" "Octagon" "Czechoslovakia". These are from the 1950s. Perfect, never seen the light of day condition.   This is from our latest treasure hunt! From a warehouse of cabochons and beads! All were in original packaging. All are 50 - 90 years old. PRICES ADJUST WHEN ADDED TO CART $0.40 -+ Quantity Discounts: Buy 1 or more of this item for $0.40 each Buy 3 or more of this item for $0.30 each Note: PRICES ADJUST WHEN ITEMS ARE ADDED TO CART