Nov 14 4pm Investor Grade Gemstones
Updated October 19, 2026
| Date | November 14, 2026 at 7:00 PM EST |
| Type | Online only |
| Auction house | California Gemstones |
| Location | Oceanside, California, 92056 · more auctions in Oceanside |
| Lots | 73 |
| Estimates | $600 – $37,000 |
What's in this auction
73 lots, mostly jewelry & watches (50). 73 lots have photos and 73 have full descriptions. Pre-sale estimates $600–$37,000 across 73 priced lots. Bidding is online through the auction house's catalog, closing November 14, 2026.
Highest-estimated lots
- 10.00 Carat ---- Myanmar Blood Ruby ----Mix Oval Cushion Cut---12 x 10 x 9mm — est. $35,000–$37,000
- 6.55 Carat ---- Mozambique Blood Ruby--- Oval Cushion Cut----11.5 x 8.5 x 6.6mm — est. $32,000–$36,000
- 7.0 Carat -- Natural Mozambique Ruby PAIR --Mixed Oval Cushion Cut--14.4 x 9.8 x 7.7mm — est. $31,000–$36,000
- 10.90 Carat ---Pakistani Kashmir Blue Sapphire ---Cushion Cut---12 x 12 x 8mm — est. $28,000–$32,000
- 9.65 Carat -------Myanmar Ruby ------ Mixed Cushion Cut---14 x 12 x 10mm — est. $28,000–$31,000
From the auction house
Upcoming auction: Nov 14 4pm Investor Grade Gemstones. Full catalog and bidding: view on liveauctioneers .
View the full catalog and register to bid →











In this auction (73 lots)
Categories: Jewelry & Watches (50)
- Lot 6015 — 6.45 Carat ----Pink Tourmaline ----Emerald Step Cut--- 11 x 9 x 6mm
- Lot 6025 — 8.8 Carat ---- Sri Lanka Blue Sapphire ---- Asscher Cut----11 x 11 x 5mm
- Lot 6026 — 3.8 Carat ----Blue Spinel ---- Brilliant Round Cut----9 x 9 x 6.8mm
- Lot 6027 — 11 Carat ---- Burmese Pink Ruby---- Brilliant Oval Cut----14 x 11 x 7mm
- Lot 6028 — 3.0 Carat ---- Ceylon Pink Sapphirs---- Brilliant Oval Cut---- 9 x 6 x 4mm
- Lot 6029 — 7.75 Carat ---- Burmese Red Ruby---- Brilliant Oval Cut----12 x 10 x 6mm
- Lot 6030 — 2.85 Carat ---- Blue Tanzanite--- Brilliant Pear Cut----10 x 6 x 5mm
- Lot 6031 — 11.30 Carat ---- Mozambique Blood Ruby--- Brilliant Pear Cut----15 x 11 x 7mm
- Lot 6032 — 5.4 Carat ----Mogok Red Ruby---Excellent Asscher Cut---8.1 x 8.1 x 6.4mm
- Lot 6033 — 9.55 Carat ----Mozambique Blue Green Tourmaline ----Round Cut----12 x 7.1mm
- Lot 6034 — 4.40 Carat ---- Mozambique Blood Ruby ----Oval Cut---- 9.7 x 8.2 x 6.7mm
- Lot 6035 — 7.30 Carat ---- Namibian Jeremejevite ----Brilliant Oval Cut----13.7 x 10.10 x 6.10mm
- Lot 6036 — 7.30 Carat ---- Ceylon Peach Sapphire----Emerald Step Cut ---- 10 x 7.1 x 5.1mm
- Lot 6037 — 7.20 Carat ---- Mozambique Blood Ruby----Brilliant Oval Cut----12 x 9.2 x 6.4mm
- Lot 6038 — 7.20 Carat ---- Mozambique Blood Ruby----Brilliant Oval Cut----12 x 9.2 x 6.4mm
- Lot 6039 — 4.05 Carat ---- Mogok Ruby ---Brilliant Pear Cut---9.4 x 9.2 x 4.9mm
- Lot 6040 — 2.70 Carat ------Mozambique Green Tourmaline -----Brilliant Round Cut----7 x 5.1mm
- Lot 6400 — 10 Carat ---- Madagascar Royal Blue Sapphire ---- Asscher Cut---Investment Grade
- Lot 6401 — 5.30 Carat Sri Lankan Blue Sapphire Trillion Cut
- Lot 6402 — 7.05 Carat Sri Lankan Padparadscha Sapphire Cushion Cut
- Lot 6403 — 1.80 Carat --- Mogok Pink Ruby --- Oval Cut
- Lot 6404 — 6.65 Carat --- Sri Lankan Blue Sapphire --- Mixed Cushion Cut
- Lot 6405 — 3.65 Carat --- Sri Lankan Padparadscha Sapphire --- Brilliant Cushion Cut----Investors Gem
- Lot 6406 — 10.00 Carat --- Montana Green Sapphire --- Asscher Cut----Collectors Gem
- Lot 6407 — 6.60 Carat --- Mozambique Blood Ruby-- Oval Cut
- Lot 6408 — 7.00 Carat --- Ceylon Cornflower Blue Sapphire-- Asscher Cut
- Lot 6409 — 9.00 Carat ---- Mozambique Blood Ruby --- Octagon Cut
- Lot 6410 — 7.75 Carat ---- Ceylon Pale Blue Sapphire --- Brilliant Round Cut
- Lot 6411 — 5.00 Carat ---- Mozambique Raspberry Rhodolite ---- Oval Cut
- Lot 6412 — 3.2 Carat --- Ceylon Red Sapphire--- Fancy Cut----12 x 8 x 5mm
- Lot 6413 — 6.30 Carat -----Blue Tourmaline ---Emerald Step Cut----12 x 9 x 7mm
- Lot 6414 — 4.90 Carat ------Teal Sapphire -----Pear Cut---12.4 x 9.2 x 6.6mm
- Lot 6416 — 10.90 Carat ---Pakistani Kashmir Blue Sapphire ---Cushion Cut---12 x 12 x 8mm
- Lot 6417 — 3.65 Carat ---- Mogok Blood Red Ruby----- Mixed Cushion Cut---10 x 7 x 5mm
- Lot 6418 — 2.05 Carat -----Green Tourmaline -----Pear Cut---- 10 x 7 x 4mm
- Lot 6419 — 7.40 Carat ---- Mogok Pink Ruby---- Oval Cut----12.0 x 9.4 x 7.1mm
- Lot 6420 — 10.5 Carat ---- BrazilianTeal Tourmaline-- Trillion Cut---12.94 x 12.81 x 6.83mm
- Lot 6421 — 2.87 Carat ---- Mogok Pink Ruby----- Brilliant Oval Cut---8.95 x 6.81 x 5.57mm
- Lot 6422 — 11.95 Carat ---- Brazilian Blue Green Tourmaline -- Brilliant Round Cut ---- 13 x 9mm
- Lot 6423 — 7.5 Carat ---- Mozambique Ruby -- Mixed Oval Cut---13.1 x 10.6 x 7.5mm
- Lot 6424 — 10 Carat ---- Brazilian Blue Sapphire -- Brilliant Oval Cut--- 11 x 9 x 6mm
- Lot 6425 — 6.30 Carat ---- Brazilian Swiss Blue Topaz ----Mixed Cushion Cut---11.8 x 9.7 x 6.1mm
- Lot 6426 — 9.25 Carat ------ Ceylon Purple Sapphire ---- Oval Cut ----12 x 10 x 8mm
- Lot 6427 — 10.00 Carat ---- Myanmar Blood Ruby ----Mix Oval Cushion Cut---12 x 10 x 9mm
- Lot 6428 — 2.60 Carat ---- Mozambique Ruby ----- Brilliant Trillion Cut---7 x 7 x 4.1mm
- Lot 6429 — 11.20 Carat ----- Brazilian Aquamarine ----- Emerald Step Cut----13 x 11 x 9mm
- Lot 6430 — 5.65 Carat ----- Mozambique Blood Ruby -----Mixed Cushion Cut----10 x 8.1 x 5.1mm
- Lot 6431 — 5.00 Carat ------- Namibian Jeremejevite ---- Brilliant Round Cut---6 x 4mm
- Lot 6432 — 9.65 Carat -------Myanmar Ruby ------ Mixed Cushion Cut---14 x 12 x 10mm
- Lot 6433 — 2.90 Carat ---- Tanzanian Red Tourmaline ---Brilliant Oval Cut--- 9.00 x 7.10 x 4.10mm
- Lot 6434 — 4.75 Carat ---- Brazilian Indicolite Tourmaline -- Trillion Cut--- 10.3 x 10.3 x 6.10mm
- Lot 6435 — 12.95 Carat -- Natural Pink Sapphire---- Trillion Cut--- 11 x 11 x 7mm
- Lot 6436 — 5.06 Carat ---- Ceylon Pink Sapphire---- Round Cut---9.90 x 9.90 x 6.60mm
- Lot 6437 — 5.06 Carat ---- Ceylon Pink Sapphire---- Round Cut---7 x 7 x 4mm
- Lot 6439 — 6.30 Carat ---- Mozambique Raspberry Rhodolite---- Oval Cut---11.30 x 8.80 x 6.60mm
- Lot 6440 — 6.55 Carat ---- Mozambique Blood Ruby--- Oval Cushion Cut----11.5 x 8.5 x 6.6mm
- Lot 6441 — 5.10 Carat--- Brazilian Blue Tourmaline ---Brilliant Round Cut----10 x 7mm
- Lot 6442 — 9.25 Carat ---- Natural Mogok Pink Ruby ---- Brilliant Oval Cut---13.1 x 10.4 x 7.1mm
- Lot 6443 — 10.00 Carat ----Ceylon Blue Sapphire ----Brilliant Round Cut---11 x 11 x9mm
- Lot 6444 — 8.00 Carat -- Natural Tanzanite-- Brilliant Cushion Cut----11.20 x 11.20 x 7.20mm
- Lot 6445 — 5.00 Carat ---- Natural Mozambique Ruby---- Mixed Cushion Cut ---12.2 x 10.1 x 7.5mm
- Lot 6446 — 6 Carat --- Natural Ceylon Pink Sapphire---- Brilliant Cushion Cut---10 x 10 x 6.4mm
- Lot 6447 — 4 Carat --- Natural Pink Tourmaline---- Asscher Cut---9 x 7 x 5mm
- Lot 6448 — 3.80 Carat ---- Mozambique Raspberry Rhodolite-- Brilliant Trillion Cut---
- Lot 6449 — 3.05 Carat ---- Ceylon Pink Sapphire-- Pear Cut----9.7 x 6.7 x 5.7mm
- Lot 6450 — 12.90 Carat --- Brazilian Pink Tourmaline --- Pear Cut----15 x 12 x 8mm
- Lot 6451 — 7.45 Carat --- Blue Sapphire --- Pear Cut----- 11 x 10 x 8mm
- Lot 6452 — 9.90 Carat --- Natural Ceylon Blue Sapphire --- Oval Cut---Bonus 1.8 carat Blue Sapphire
- Lot 6453 — 9.60 Carat --- Natural Blue Tanzanite --- Heart Cut-12.27 x 11.24 x6.49mm
- Lot 6454 — 5.00 Carat --- Natural Pink Sapphire --- Round Cut----10 x 7mm
- Lot 6455 — 6.35 Carat ---Namibian Light Green Tourmaline---Round Cut 9 x 6mm,
- Lot 6456 — 7.0 Carat -- Natural Mozambique Ruby PAIR --Mixed Oval Cushion Cut--14.4 x 9.8 x 7.7mm
- Lot 6457 — 3.20 Carat --- Cambodian Pink Zircon --- Pear Cut---9 x 7 x 4mm
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