Top 50 most expensive gemstones in the world | precious and valuable gems | HDB TV Published 2024-01-31 Download video MP4 360p Recommendations 20:06 15 Gemstones More Expensive Than Diamonds #2 03:15 Price Comparison (Most Expensive Substance) 01:14 The most Expensive Opal in The World || Opal || opal price || Expensive Minerals || Black Opal 11:30 How do jewelers identify real diamonds and fakes? 11:18 The 7 best locations to search for gems 08:33 Diamond stone price and benefits 10:05 Japan Releases Fully Functioning Female Robots 04:46 Huge Ruby 560 carats | Africa | Gemstone Cutting, Performing, Faceting & Polishing 13:35 These 10 Gemstones are the Most Expensive in the World! 13:36 Most EXPENSIVE Rare Gemstones In The World! 07:48 Let's Cut Big Gem 168 carats | Afghan Sapphire | Gem Cutting, Performing, Faceting & Polishing 05:04 Price Comparison: Earth's Rare Materials 13:22 I found the treasure cave in the cliff while I was digging for crystals. 27:23 This is Why Jade is So Expensive Modern Mining and Manufacturing 16:43 Top 10 | Most Beautiful and Fascinating Opals Around the World 09:59 $1 vs. $10,000,000 Gemstone 22:18 These Crystals can be Real Diamonds - See how to Identify Similar videos 01:36 Top 10 most expensive gemstones in the world 01:31 price comparison/most expensive gemstone in the world#gems 01:17 Blue diamond could sell for $50 million at auction 57:16 A Glimmer of Hope: The World's Most Famous Blue Diamond | GIA Knowledge Sessions Webinar Series 44:44 Secrets of the Hope Diamond (1998) More results