Sat November 7 4pm Collector Gem Showcase
Updated October 17, 2026
| Date | November 7, 2026 at 7:00 PM EST |
| Type | Online only |
| Auction house | California Gemstones |
| Location | Oceanside, California, 92056 · more auctions in Oceanside |
| Lots | 82 |
| Estimates | $500 – $60,000 |
What's in this auction
82 lots, mostly jewelry & watches (61). 82 lots have photos and 82 have full descriptions. Pre-sale estimates $500–$60,000 across 82 priced lots. Bidding is online through the auction house's catalog, closing November 7, 2026.
Highest-estimated lots
- 12.0 Carat tcw --- Burmese Pigeon Blood Ruby PAIR -- Pear Cut ---- Collectors Gems — est. $58,000–$60,000
- 12.10 Carat ----- Ceylon Royal Blue Sapphire ----Brilliant Cushion Cut --Striking Color — est. $43,000–$44,000
- 12.20 Carat ---- Pakistani Kashmir Blue Sapphire ---- Cushion Cut----Collector Gemstone — est. $28,000–$39,000
- 12.05 Carat ---- Pakistani Kashmir Blue Sapphire ---- Cushion Cut----Collector Gemstone — est. $38,000–$39,000
- 9.60 Carat -- Mozambique Ruby---- Modified Oval Cut — est. $35,000–$38,000
From the auction house
Upcoming auction: Sat November 7 4pm Collector Gem Showcase. Full catalog and bidding: view on liveauctioneers .
View the full catalog and register to bid →
In this auction (82 lots)
Categories: Jewelry & Watches (61)
- Lot 2000 — 6.15 Carat ---- Myanmar Ruby ---- Brilliant Round Cut
- Lot 2001 — 10.3 Carat ---- Mogok Pink Ruby ---- Round Cut
- Lot 2002 — 12.20 Carat ---- Pakistani Kashmir Blue Sapphire ---- Cushion Cut----Collector Gemstone
- Lot 2003 — 8.46 Carat --- Brazilian Blue-Green Tourmaline ---- Brilliant Round Cut--Stunning Investor Gem
- Lot 2004 — 10.00 Carat ---- Natural Ceylon Purple Sapphire ----Cushion Cut---Regal Investment Grade
- Lot 2005 — 12.10 Carat ----- Ceylon Royal Blue Sapphire ----Brilliant Cushion Cut --Striking Color
- Lot 2006 — 9.6 Carat ---- Burmese Pigeon Blood Ruby-- Brilliant Oval Cut ---Collector Gem
- Lot 2007 — 5.30 Carat ---- Royal Blue Tanzanite ---- Asscher Cut
- Lot 2008 — 8.45 Carat -----Colombian Green Emerald -----Round Cut
- Lot 2009 — 19.40 Carat Sparkling Myanmar Red Ruby Brilliant Round Cut----Investment Grade
- Lot 2010 — 12.05 Carat ---- Pakistani Kashmir Blue Sapphire ---- Cushion Cut----Collector Gemstone
- Lot 2011 — 6.95 Carat ---- Burmese Red Ruby ---- Cushion Cut
- Lot 2012 — 2.00 Carat ---- Burmese Pigeon Blood Ruby ---- Marquise Cut
- Lot 2013 — 5.95 Carat --- Burmese Pigeon Blood Ruby --- Brilliant Oval Cut ---Collectors Gem
- Lot 2014 — 5.90 Carat ---- Brazilian Indicolite ----Brilliant Round Cut--Collectors Grade
- Lot 2015 — 11.80 Carat ---- Afghanistan Vivid Pink Kunzite ---- Cushion Cut--Collectors Grade
- Lot 2016 — 2.60 Carat ---- Mozambique Blood Ruby ---- Emerald Step Cut
- Lot 2017 — 3.00 Carat ---- Blue Merelani Tanzanite ---- Asscher Cut
- Lot 2018 — 9.60 Carat ---- Myanmar Blood Ruby ---- Brilliant Oval Cut
- Lot 2019 — 10.00 Carat ---- Montana Teal Green Sapphire ---- Emerald Step Cut ----
- Lot 2020 — 3.65 Carat ---- Burmese Pink Sapphire ---- Cushion Cut
- Lot 2021 — 3.9 Carat ---- Brazilian Cobalt Blue Tourmaline ---- Brilliant Round Cut
- Lot 2022 — 5.55 Carat ---- Brazilian Green Tourmaline ---- Asscher Cut --Investment Grade
- Lot 2023 — 3.15 Carat Brazilian Cobalt Blue Tourmaline Cushion Cut
- Lot 2024 — 15 Carat -- Sri Lanka Pink Sapphire ---- Round Cut
- Lot 2025 — 4.65 Carat--- Green Sapphire-- Pear Cut
- Lot 2026 — 3.00 Carat --- Myanmar Blood Ruby--- Brilliant Oval Cut
- Lot 2027 — 9.85 Carat ---- Brazilian Teal Tourmaline ---- Trillion Cut
- Lot 2028 — 5.90 Carat ---Myanmar Red Ruby---- Pear Cut
- Lot 2029 — 3.15 Carat ---- Mogok Pink Ruby PAIR ---- Oval Cut
- Lot 2030 — 7.80 Carat ---- Green Tourmaline ---- Round Cut
- Lot 2031 — 6.40 Carat ---- Burmese Blood Ruby ---- Oval Cut
- Lot 2032 — 10.0 Carat ---- Ceylon Blue Sapphire ---- Brilliant Oval Cut
- Lot 2033 — 9.60 Carat -- Mozambique Ruby---- Modified Oval Cut
- Lot 2034 — 7.55 Carat Natural Namibian Jeremejevite Cushion Cut
- Lot 2035 — 20.20 Carat ---- Myanmar Ruby PAIR ---- Brilliant Pear Cut
- Lot 2036 — 10.0 Carat ---- Padparadscha Sapphire ----Cushion Cut
- Lot 2037 — 2.00 Carat tcw--- Burmese Ruby PAIR --- Pear Cut ---Amazing Flouresence
- Lot 2038 — 1.64 Carat --- Brazilian Neon Blue Paraiba Tourmaline --- Brilliant Oval Cut
- Lot 2039 — 10.00 Carat -- Mozambique Blood Ruby---- Mixed Brilliant Oval Cut
- Lot 2040 — 3.05 Carat -- Ceylon Yellow Sapphire -- Brilliant Round Cut
- Lot 2042 — 3.85 Carat ---- Ceylon Blue Sapphire---- Oval Cut
- Lot 2043 — 12.0 Carat tcw --- Burmese Pigeon Blood Ruby PAIR -- Pear Cut ---- Collectors Gems
- Lot 2044 — 11.15 Carat -- Ceylon Blue Sapphire -- Cushion Cut ---- Investor Grade
- Lot 2045 — 7.65 Carat ---- Mozambique Blood Ruby--- Brilliant Oval Cut
- Lot 2046 — 7.00 Carat -- Ceylon Purple Sapphire -- Cushion Cut
- Lot 2047 — 7.40 Carat---Mozambique Red Ruby---Brilliant Round Cut
- Lot 2048 — 4.65 Carat ---- Zambian Green Emerald ---- Oval Cut
- Lot 2049 — 5.20 Carat ---- Brazillian Green Tourmaline---- Trillion Cut
- Lot 2050 — 9.70 Carat ---- Burmese Blood Ruby ---- Cushion Cut
- Lot 2051 — 4.00 Carat ---- Mozambique Blood Ruby ---- Oval Cut
- Lot 2052 — 2.45 Carat ---- Natural Tanzanite ---- Round Cut
- Lot 2053 — 8 Carat ---- Burmese Blood Red Ruby--- Brilliant Oval Cut
- Lot 2054 — 10.46 Carat ---- Blue Sapphire ---- Pear Cut
- Lot 2055 — 5.7 Carat ---- Mozambique Blood Ruby ---- Oval Cut
- Lot 2341 — 10.00 Carat -- Burmese Pigeon Blood Ruby---- Trillion Cut
- Lot 8201 — 10.40 Carat----- Mozambique Blood Ruby PAIR ----Round Cut
- Lot 8204 — 3.05 Carat Mozambique Blue-Green Tourmaline Round Cut
- Lot 8210 — 8.05 Carat ---Ceylon Blue Sapphire---Cushion Cut
- Lot 8211 — 5.35 Carat ----Namibian Blue Jeremejevite---- Brilliant Oval Cut
- Lot 8215 — 7.00 Carat ----Brazilian Tourmaline ---- Brilliant Oval Cut
- Lot 8216 — 9.15 Carat ---- Sri Lanka Pink Sapphire ---- Oval Cushion Cut
- Lot 8218 — 12.00 Carat - ---- Padparascha Sapphire ---Asscher Cut
- Lot 8221 — 8.06 Carat ----- Imperial Topaz ---- Brilliant Trillion Cut
- Lot 8226 — 5.05 Carat ----Colombian Emerald---Brilliant Oval Cut
- Lot 8229 — 5.00 Carat ----Ceylon Blue Sapphire ----Brilliant Oval Cut
- Lot 8230 — 9.9 Carat - Mozambique Ruby---Emerald Step Cut
- Lot 8233 — 12 Carat --Blue Sapphire---Trillion Cut
- Lot 8235 — 10 Carat --Blue Sapphire--- Brilliant Oval Cut
- Lot 8236 — 3.95 Carat --Blue Tanzanite--- Brilliant Cushion Cut
- Lot 8237 — 12.9 Carat ---- Blue Sapphire--- Emerald Step Cut
- Lot 8238 — 5.80 Carat --BiColor Sapphire--- Brilliant Oval Cut
- Lot 8241 — 12.05 Carat -- Green Sapphire --- Brilliant Cushion Cut
- Lot 8242 — 11 Carat -- Pakistani Blue Sapphire --- Brilliant Cushion Cut
- Lot 8243 — 7 Carat -- Red Ruby--- Brilliant Oval Cut
- Lot 8245 — 20 Carat -- Blue Sapphire PAIR--- Emerald Step Cut--- Collectors Gems
- Lot 8246 — 12 Carat -- Cornflower Blue Sapphire--- Brilliant Oval Cut---- Collectors Gem
- Lot 8247 — 4.45 Carat -- Purple Tanzanite--- Brilliant Cushion Cut
- Lot 8249 — 5.35 Carat -- Red Mozambique Tourmaline--- Brilliant Round Cut
- Lot 8250 — 5 Carat -- Zambian Emerald--- Cushion Cut
- Lot 8251 — 8.4 Carat -- Purple Sapphire-- Cushion Cut
- Lot 8252 — 11 Carat -- Green Sapphire-- Brilliant Round Cut
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