Saturday May 16th 7pm Auction on May 16, 2026 by California Gemstones in CA
16.45 Carat    Brazilian Aquamarine      Cushion Cut         EGL Certified10.65 Carat    Purple Tanzanite      Oval Cut         EGL Certified9.45 Carat    Mozambique Deep Red Ruby      Emerald Step Cut       GGI Certified
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San Diego, CA, United States
Auction Details

Saturday May 16th 7pm

Saturday May 16th 7pm
Live Bidding Starts In:
7
days
:
15
hrs
:
44
mins
:
36
secs
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FEATURED
16.45 Carat Brazilian Aquamarine Cushion Cut EGL Certified: Sourced from Brazil, exhibiting a light sky-blue color. These stones are known for their high transparency and eye-clean clarity, sometimes featuring "mixed brilliant" cutting styles to maximize
20001: 16.45 Carat Brazilian Aquamarine Cushion Cut EGL CertifiedEst. $5,000-$6,000$100
FEATURED
10.65 Carat Purple Tanzanite Oval Cut EGL Certified: High-quality color with strong violet purple hues. It offers excellent clarity and is typically heated to enhance the color. Due to its size and color, this stone is ideal for a significant center
20002: 10.65 Carat Purple Tanzanite Oval Cut EGL CertifiedEst. $5,500-$6,500$100
6.35 Carat Tourmaline Round Cut EGL Certified: A collector-quality gemstone typically characterized by its vivid green hue and high, offering significant visual presence for high-end jewelry like statement rings or pendants.
20004: 6.35 Carat Tourmaline Round Cut EGL CertifiedEst. $19,500-$21,500$100
FEATURED
12.45 Carat Ruby Cushion Cut EGL Certified: Rare specimen, as natural rubies over 5 carats are considered extraordinary and investment-grade. This specific weight often indicates a "statement" stone suitable for high-end custom jewelry or
20005: 12.45 Carat Ruby Cushion Cut EGL CertifiedEst. $9,500-$12,150$100
8.59 Carat Emerald Round Cut GGI Certified: A well-proportioned round cut ensures light reflects evenly across the stone. A round stone of this size offers significant finger coverage and is considered a "showstopper" piece
20006: 8.59 Carat Emerald Round Cut GGI CertifiedEst. $8,500-$9,150$100
6.25 Carat Red Ruby Round Cut GGI Certified: These rubies display intense red to deep red hues. A high-quality ruby of this size, particularly one that is natural, "eye-clean" (without inclusions), and unheated, represents a significant
20008: 6.25 Carat Red Ruby Round Cut GGI CertifiedEst. $18,500-$21,000$100
Vietnamese Burmite Amber Fly Oval Cut: A 100-million-year-old assassin fly species, Burmapogon bruckschi, was discovered preserved in Burmese amber. These fossils, found near the Myanmar-Vietnam region, show exceptional 3D detail of the
20010: Vietnamese Burmite Amber Fly Oval CutEst. $35-$50$10(1 bid)
13.70 Carat Colombian Emerald Oval Cut VG Certified: a significant, high-value gemstone, often featuring a vibrant green color characteristic of Muzo mines. Oval cuts maximize brilliance and display intense color. Such stones generally feature
20011: 13.70 Carat Colombian Emerald Oval Cut VG CertifiedEst. $35,000-$50,000$100
10.60 Carat Brazilian Aquamarine Oval Cut Certified: Beautiful, transparent gemstone, featuring a light-to-moderate "sea blue" color characteristic of Brazilian material. Cut in an oval shape, it is typically used for statement jewelry, offering high
20012: 10.60 Carat Brazilian Aquamarine Oval Cut CertifiedEst. $35,000-$50,000$100
18.65 Carat Blue Sapphire Oval Cut VG Certified: Investment-grade gemstone. Thise stones is frequently sourced from Ceylon and offer a significant, elongated appearance suitable for cocktail rings or pendants, featuring high-quality facet or
20015: 18.65 Carat Blue Sapphire Oval Cut VG CertifiedEst. $15,000-$35,000$100
9.70 Carat Pink Sapphire Cushion Cut EGL Certified.: a vibrant or delicate pink hue. These, frequently Sri Lankan (Ceylon) or Thailand-sourced, natural stones are cut into a square or rectangular "cushion" shape with soft, rounded corners. They are
20023: 9.70 Carat Pink Sapphire Cushion Cut EGL Certified.Est. $25,000-$35,000$150
9.60 Carat Ruby Oval Cut EGL Certified.: a substantial, large-sized gemstone, typically featuring a rich red to pinkish-red hue and faceted to maximize brilliance and color saturation. Often sourced from Mozambique or Burma, these stones
20024: 9.60 Carat Ruby Oval Cut EGL Certified.Est. $25,000-$35,000$150