May 30th 7pm Saturday RUBY-A-THON Auction on May 30, 2026 by California Gemstones in CA - Page 2
LiveAuctioneers Logo
Online Auctions
California Gemstones
May 30th 7pm Saturday RUBY-A-THON
10.5 Carat ---- Mogok Pigeon Blood Ruby---- Round Brilliant Cut ----Certified10.50 Carat ---- Red Ruby---- Oval Cut ---- GGI Certified20.0 Carat ---- Mozambique Blood Ruby---- Fancy Lozenge Cut ---- Certified
Starts on:
San Diego, CA, United States
Auction Details

May 30th 7pm Saturday RUBY-A-THON

California Gemstones

California Gemstones

May 30th 7pm Saturday
Live Bidding Starts In:
7
days
:
16
hrs
:
45
mins
:
57
secs
LiveAuctioneers Purchase Protection
Get the confidence you need to bid on the items you love.Learn More
Complete payment via LiveAuctioneers to qualify.
5.55 Carat ---- Royal Blue Sapphire---- Oval Cut ---- GGI Certified: Often positioned as a center stone for luxury jewelry or a significant collector's piece. Based on market listings for this specific weight, these sapphires are typically found as oval-cut, Ceylon
9016: 5.55 Carat ---- Royal Blue Sapphire---- Oval Cut ---- GGI CertifiedEst.
$29,000
-
$31,000
$100
10.20 Carat ---- Brazilian Multicolor Alexandrite---- Cushion Cut ---- EGL Certified: Brazilian-origin Alexandrite, this describes a substantial and highly desirable "color-change" gemstone. While natural, high-quality Alexandrite of this size is exceptionally rare, the listings
9017: 10.20 Carat ---- Brazilian Multicolor Alexandrite---- Cushion Cut ---- EGL CertifiedEst.
$39,000
-
$41,000
$100
10.05 Carat ---- Teal Sapphire---- Round Cut ---- EGL Certified: Teal sapphire is a rare, substantial, and highly valuable gemstone, used as a statement piece in luxury jewelry, such as large engagement rings, pendants, or collector's items. These stones are known
9018: 10.05 Carat ---- Teal Sapphire---- Round Cut ---- EGL CertifiedEst.
$19,000
-
$21,000
$100
8.46 Carat ---- Brazilian Neon Tourmaline---- Round Cut ---- GIE Certified: These stones are frequently sourced from Brazil and are known for their "neon" or "electric" blue-green to greenish-blue colors caused by copper content.
9019: 8.46 Carat ---- Brazilian Neon Tourmaline---- Round Cut ---- GIE CertifiedEst.
$49,000
-
$54,000
$100
11.95 Carat ---- Kashmiri Blue Sapphire---- Cushion Cut ---- EGL Certified: an exceptionally rare and important gemstone, placing it in a league of "museum-grade" collector stones. Renowned for their "velvety" appearance, authentic Kashmir sapphires of this size (nearly 12
9020: 11.95 Carat ---- Kashmiri Blue Sapphire---- Cushion Cut ---- EGL CertifiedEst.
$69,000
-
$74,000
$100
1.80 Carat ---- Mogok Pink Ruby---- Oval Cut ---- GIE Certified: Characterized by its origin in Myanmar’s legendary Mogok valley. These gems often exhibit a vivid pinkish-red color, prized for their strong, natural fluorescence (even in daylight) and
9021: 1.80 Carat ---- Mogok Pink Ruby---- Oval Cut ---- GIE CertifiedEst.
$4,000
-
$6,000
$80
9.60 Carat ---- Mozambique Ruby---- Oval Cut ---- EGL Certified: Near Flawless. Known for its deep red brilliance. Mozambique rubies are prized for their intense color and high quality, making them popular for investment-grade jewelry. An oval cut optimizes carat
9022: 9.60 Carat ---- Mozambique Ruby---- Oval Cut ---- EGL CertifiedEst.
$34,000
-
$36,000
$100
15.0 Carat ---- Burmese Blood Ruby---- Oval Cut ---- Certified: An exceptional, high-value gem, featuring a vivid crimson-red color with intense fluorescence and top-tier clarity. Originating from the world-renowned Mogok Valley in Burma, with intense saturation
9023: 15.0 Carat ---- Burmese Blood Ruby---- Oval Cut ---- CertifiedEst.
$49,000
-
$55,000
$250
6.45 Carat ---- Mozambique Blood Ruby---- Round Cut ---- GGI Certified: A natural, round-cut, vivid red gemstone prized for its high transparency and intense color. Featuring eye-clean clarity, these Mozambique stones are highly desirable for their brilliant red hue
9024: 6.45 Carat ---- Mozambique Blood Ruby---- Round Cut ---- GGI CertifiedEst.
$34,000
-
$36,000
$100
9.80 Carat ---- Burmese Blood Ruby---- Oval Cushion Cut ---- EGL Certified: a highly rare, large-carat, investment-grade gemstone. A 9.80-carat ruby of this type, particularly if accompanied by reputable certification, is considered a significant collector's piece.
9025: 9.80 Carat ---- Burmese Blood Ruby---- Oval Cushion Cut ---- EGL CertifiedEst.
$32,000
-
$35,000
$100
8.50 Carat ---- Blood Ruby---- Cushion Cut ---- GGI Certified: An exceptionally large, high-value, and deeply colored gemstone, typically originating from regions like Mozambique. The term "Pigeon Blood" refers to a vivid, intense red color—often with slight
9026: 8.50 Carat ---- Blood Ruby---- Cushion Cut ---- GGI CertifiedEst.
$42,000
-
$45,000
$100
(1 bid)
10.60 Carat ---- Blood Ruby---- Oval Cut ---- EGL Certified Lab Grown: Card says painite. Doubtful since a 10.6 ct painite this is lab-grown, it does not carry the high investment value of a natural ruby, which could be worth over $100,000+ at this size. Still the lab
9027: 10.60 Carat ---- Blood Ruby---- Oval Cut ---- EGL Certified Lab GrownEst.
$1,000
-
$1,450
$40
11.00 Carat ---- Blood Ruby---- Pearl Cut ---- GGI Certified: Teardrop-shaped gemstone, featuring a brilliant-cut crown for maximum sparkle. Showing a vibrant red to pinkish-red color with eye-clean clarity. The pear shape is designed to look large per carat,
9028: 11.00 Carat ---- Blood Ruby---- Pearl Cut ---- GGI CertifiedEst.
$20,000
-
$25,000
$100
3.70 Carat ---- Pigeon Blood Ruby---- Oval Cut ---- Certified: Defined by a vivid, intense red color—often with slight purplish-red hues—and strong fluorescence, this oval-cut, 3.70ct gem is likely of Burmese or premium Mozambique origin. It represents
9029: 3.70 Carat ---- Pigeon Blood Ruby---- Oval Cut ---- CertifiedEst.
$20,000
-
$25,000
$100
12.45 Carat ---- Burmese Pink Ruby---- Emerald Step Cut ---- EGL Certified: Burmese pink ruby with an emerald step cut is a significant and rare gemstone. At this weight, it is considered an exceptionally large specimen, as gem-quality Burmese rubies typically occur in much
9030: 12.45 Carat ---- Burmese Pink Ruby---- Emerald Step Cut ---- EGL CertifiedEst.
$20,000
-
$25,000
$100
Eight 10 Carat +each. Appx 90ct tcw ---- Blood Red Rubies ---- Oval Cushion Cut ---- Lab Grown: These eight lab-grown rubies offer a combined total carat weight (tcw) of roughly 90 carats, with each individual stone weighing at least 10 carats. They feature a "Blood Red" color, often synonymous
9031: Eight 10 Carat +each. Appx 90ct tcw ---- Blood Red Rubies ---- Oval Cushion Cut ---- Lab GrownEst.
$25,000
-
$36,000
$200
10.60 Carat ---- Wyoming Red Ruby ---- Round Cut ---- EGL Certified: a large, top-quality American ruby, from the Rodeo Queen Mine near Cheyenne, Wyoming, is highly desirable to collectors.A Highly valued gemstone. An oval cut, creating a large deep red color and
9032: 10.60 Carat ---- Wyoming Red Ruby ---- Round Cut ---- EGL CertifiedEst.
$25,000
-
$36,000
$100
(1 bid)
6.60 Carat ---- Mozambique Red Ruby ---- Oval Cut ---: These rubies are renowned for their vibrant, saturated color, often ranging from deep blood red to a moody dark red.
9033: 6.60 Carat ---- Mozambique Red Ruby ---- Oval Cut ---Est.
$5,000
-
$6,000
$50
10.55 Carat --- Myanmar Red Ruby --- Emerald Step Cut: Natural red ruby from Myanmar features a distinct emerald step cut, offering a rare combination of high carat weight, deep, "pigeon's blood" red hue, and exceptional clarity. Sourced from the famous
9034: 10.55 Carat --- Myanmar Red Ruby --- Emerald Step CutEst.
$16,000
-
$18,000
$50
9.60 Carat --- Red Ruby --- Oval Cut --- EGL Certified: A substantial, investment-sized gemstone, to be prized for its vibrant color and significant presence. Depending on its origin and treatment status, this stone can range from a rare, high-value
9035: 9.60 Carat --- Red Ruby --- Oval Cut --- EGL CertifiedEst.
$16,000
-
$18,000
$50
5.21 Carat --- Brazilian Neon Tourmaline --- Trillion Cut --- GIE Certified: This stone is defined by an electric, almost glowing "neon" blue or blue-green hue. The color is caused by trace amounts of copper and manganese within the crystal structure. High-quality specimens
9036: 5.21 Carat --- Brazilian Neon Tourmaline --- Trillion Cut --- GIE CertifiedEst.
$36,000
-
$38,000
$150
6.80 Carat --- Montana Purple Sapphire --- Oval Cut --- AGSL Certified: an exceptionally rare find, as Montana sapphires typically produce small stones (mostly under 1 carat). A stone of this size and color is considered a significant collector's piece, with purples and
9037: 6.80 Carat --- Montana Purple Sapphire --- Oval Cut --- AGSL CertifiedEst.
$9,000
-
$14,000
$100
2.94 Carat ---Mogok Red Ruby --- Oval Cut --- GIE Certified: An exceptional gemstone, featuring the coveted "pigeon blood" red hue from Myanmar. Oval-cut, these gems display superior brilliance due to mixed-cutting, showcasing high clarity and the desired
9038: 2.94 Carat ---Mogok Red Ruby --- Oval Cut --- GIE CertifiedEst.
$14,000
-
$21,000
$100
22.60 Carat --- Natural Garnet PAIR --- Oval Cut --- GIR Certified: highly desirable pair of Natural Green Tsavorite Garnets, likely sourced from East Africa (Tanzania/Kenya), totaling approximately 22.60 carats. These stones are designed for high-end, matched, or
9039: 22.60 Carat --- Natural Garnet PAIR --- Oval Cut --- GIR CertifiedEst.
$4,000
-
$10,000
$80