May 7 Auction on May 07, 2026 by California Gemstones in CA
9.6ct  Mozambique Ruby Oval Cut  No reserve  Near Flawless10 Ct  Ceylon Royal Blue Sapphire Oval    Cushion Cut    No Reserve   Certified8.5ct   Zambian Emerald   Brilliant Oval Cut   No Reserve
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San Diego, CA, United States
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May 7

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11.5 carat Kashmiri Blue Sapphire Cushion Cut No Reserve, Certified: Characterized by a velvety, soft, and luminous hue that remains vivid in various lighting . Kashmir sapphires are considered investment-grade treasures due to the exhaustion of the original Himalayan
0200: 11.5 carat Kashmiri Blue Sapphire Cushion Cut No Reserve, CertifiedEst. US$20,000-US$25,000US$205(1 bid)
5 carat Ceylon Green Sapphire Round Cut No Reserve, GIR Certified: This gems display vibrant bluish-green hues, enhanced by brilliant or mixed cutting techniques to maximize sparkle. Offering high clarity and excellent durablity. ntense, bright green (without
0203: 5 carat Ceylon Green Sapphire Round Cut No Reserve, GIR CertifiedEst. US$7,000-US$8,500US$55(1 bid)
11 Carat Ruby Pear Cut GGI Certified: Teardrop-shaped gemstone, ofeaturing 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,
0204: 11 Carat Ruby Pear Cut GGI CertifiedEst. US$20,000-US$25,000US$150
9.0 Carat Ruby Octagon Cut GGI Certified: Ruby with an octagon cut is an exceptionally large, rare, and valuable gemstone, likely characterized by a rich red color and structured, stepped facets. Octagon rubies feature eight sides and are
0205: 9.0 Carat Ruby Octagon Cut GGI CertifiedEst. US$20,000-US$25,000US$150
13.0 Carat Emerald Round Cut VG Certified: This round cut is an exceptionally large and rare find. While emeralds are traditionally fashioned into the rectangular "emerald cut" to accommodate their natural crystal structure, a round brilliant
0206: 13.0 Carat Emerald Round Cut VG CertifiedEst. US$21,000-US$24,000US$105
4.0 Carat Emerald Oval Cut GGI Certified: known for a brilliant, elongated shape that offers a large surface area for its weight, often appearing larger than rectangular cuts. These stones typically feature mixed brilliant faceting, offering
0207: 4.0 Carat Emerald Oval Cut GGI CertifiedEst. US$2,100-US$2,400US$55
13.05 Carat Blue Sapphire Cushion Cut EGL Certified: known for a brilliant, elongated shape that offers a large surface area for its weight, often appearing larger than rectangular cuts. These stones typically feature mixed brilliant faceting, offering
0208: 13.05 Carat Blue Sapphire Cushion Cut EGL CertifiedEst. US$30,000-US$34,000US$105
12.40 Carat Kashmir Blue Sapphire Cushion Cut EGL Certified: An exceptional gemstone, typically characterized by its velvety texture and, at its finest, a "cornflower" blue hue. Such a large, high-quality specimen is considered a premier collector's piece due
0209: 12.40 Carat Kashmir Blue Sapphire Cushion Cut EGL CertifiedEst. US$15,000-US$25,000US$150
9.6ct Mozambique Ruby Oval Cut No reserve 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 weight and
5001: 9.6ct Mozambique Ruby Oval Cut No reserve Near FlawlessEst. US$25,000-US$35,000US$1,200
8.4ct Burmese Painite Round Cut No reserve: Featuring a deep, vivid red color and superior clarity. Burmese painites are prized for their intense color and natural fluorescence, often commanding prices exceeding $10,000–$30,000 per carat for
5002: 8.4ct Burmese Painite Round Cut No reserveEst. US$50,000-US$65,000US$1,500
8.5ct Zambian Emerald Brilliant Oval Cut No Reserve: With a brilliant oval cut is a high-clarity, and deeply colored gemstone. Zambian emeralds are known for having fewer inclusions and a cooler, more bluish-green tone compared to Colombian varieties,
5003: 8.5ct Zambian Emerald Brilliant Oval Cut No ReserveEst. US$33,000-US$41,000US$1,200
4ct Colombian Emerald Oval Cut No Reserve GGL Certified: Displaying a rich, vibrant green hue with excellent luster. Known for its superior color, this cut combines brilliant-cut facets to maximize light dispersion and brilliance, often appearing larger
5011: 4ct Colombian Emerald Oval Cut No Reserve GGL CertifiedEst. US$12,000-US$15,000US$400
8.5ct Tanzanite Oval Cut No Reserve GGL Certified: featuring a deep, vibrant violetish-blue color. These stones are sourced from the Mererani Hills of Tanzania and are prized for their intense pleochroism (displaying blue and violet shades).
5012: 8.5ct Tanzanite Oval Cut No Reserve GGL CertifiedEst. US$4,000-US$7,000US$120
10.3ct Ceylon Blue Sapphire Pear Cut No Reserve GGL Certified: visually striking gemstone, characterized by the vibrant, bright blue hues typical of Sri Lankan (Ceylon) mines. These sapphires are often prized for their high transparency, excellent brilliance and
5013: 10.3ct Ceylon Blue Sapphire Pear Cut No Reserve GGL CertifiedEst. US$14,000-US$17,000US$120
3.6ct Karur Blue Aquamarine Trillion Cut No Reserve: Visually striking gemstone, This 3.6-carat Aquamarine from Karur features a vibrant blue hue and is precision-cut into a modern, triangular trillion shape. Renowned for its excellent 7.5–8 Mohs
5014: 3.6ct Karur Blue Aquamarine Trillion Cut No ReserveEst. US$4,000-US$7,000US$44