Gems

(10,000 price results)

Sort by:

Most Relevant

4.41 Carat --- Soft Purple Amethyst --- Radiant Cut --- IGI Certified: soft purple amethyst with a radiant cut is a substantial,eye-catching gemstone that blends a gentle color with a brilliant, modern facet pattern. The radiant cut, known for its trimmed corners and mod

2026

4.41 Carat --- Soft Purple Amethyst --- Radiant Cut --- IGI Certified

California GemstonesSan Diego, CA

10.98 Carat --- Soft Purple Amethyst --- Radiant Cut --- IGI Certified: A 10.98-carat soft purple radiant-cut stone is an exceptionally large, high-value gem that combines significant weight with a modern, high-brilliance facet pattern. With a soft tone, the radiant cut��

2026

10.98 Carat --- Soft Purple Amethyst --- Radiant Cut --- IGI Certified

California GemstonesSan Diego, CA

12.50 Carat--- Kashmir Blue Sapphire---- Trillion Cut----GIE Certified: Characterized by a velvety, intense blue, featuring inclusions of rutile silk that disperse light. These stones typically show excellent transparency and, in trillion cut, display a triangular, brilli

2026

12.50 Carat--- Kashmir Blue Sapphire---- Trillion Cut----GIE Certified

California GemstonesSan Diego, CA

7.02 Carat--- Brazilian Purple Amethyst ---- Emerald Cut----IGI Certified: A statement-grade gemstone suitable for rings or pendants. It features step-cut facets that highlight violet tones, providing a sophisticated "hall-of-mirrors" effect. Natural, high-quality, and gener

2026

7.02 Carat--- Brazilian Purple Amethyst ---- Emerald Cut----IGI Certified

California GemstonesSan Diego, CA

9.00 Carat --- Alexandrite Color Changing --- Trillion Cut: This gemstone, a variety of chrysoberyl, is renowned for its "chameleon" effect, shifting color based on the light source.

2026

9.00 Carat --- Alexandrite Color Changing --- Trillion Cut

California GemstonesSan Diego, CA

0.68 Carat --- Colombian Emerald --- Oval Cut --- IGI Certified: Colombian emeralds are world-renowned for their intense, pure green color, which is a result of unique chromium and vanadium content in the earth.

2026

0.68 Carat --- Colombian Emerald --- Oval Cut --- IGI Certified

California GemstonesSan Diego, CA

3.3 Carat ---Light Blue Namibian Jeremejevite --- Brilliant Oval Cut: Namibian jeremejevite with a brilliant oval cut is an exceptionally rare, collector-grade gemstone. Sourced from the Erongo Mountains or Mile 72, it features a delicate to vivid blue color, high trans

2026

3.3 Carat ---Light Blue Namibian Jeremejevite --- Brilliant Oval Cut

California GemstonesSan Diego, CA

12.55 Carat--- Ceylon Pink Sapphire ---- Trillion Cut----EGL Certified: Tremendous clarity graces this gemstone. Evaluated at eye level, it carries very slight inclusions, mere reminders of its earthly birth, adding authenticity to its ethereal glow. The vivid color inten

2026

12.55 Carat--- Ceylon Pink Sapphire ---- Trillion Cut----EGL Certified

California GemstonesSan Diego, CA

10 Carat --- San Carlos Apache Peridot --- Brilliant Oval Cut: An exceptionally rare collector-grade gemstone. While the San Carlos Apache Reservation in Arizona is the world's most productive source of gem-quality peridot, most stones found there are small, typi

2026

10 Carat --- San Carlos Apache Peridot --- Brilliant Oval Cut

California GemstonesSan Diego, CA

10 Carat ---- Brazilian Neon Tourmaline ---- Fancy Cut ---- GIE Certified: A 10-carat neon tourmaline is an exceptional, high-value turquoise, caused by copper and manganese. Fancy-cut, this large stone is custom-faceted for high, intense brilliance, ideal for collector item

2026

10 Carat ---- Brazilian Neon Tourmaline ---- Fancy Cut ---- GIE Certified

California GemstonesSan Diego, CA

8.00 Carat ---Emerald --- Step Cut --- EGL Certified: The step cut, known for its long, parallel facets, creates a "hall of mirrors" effect that highlights the stone's color and internal structure rather than providing high brilliance.

2026

8.00 Carat ---Emerald --- Step Cut --- EGL Certified

California GemstonesSan Diego, CA

14.27 Carat --- Red Ruby Brilliant --- Cushion Cut: Cushion cut stone featuring a vibrant blood red color with excellent clarity. It's a huge beautiful gem. Cut to maximum its fiery brilliance. Exhibits intense saturation.

2026

14.27 Carat --- Red Ruby Brilliant --- Cushion Cut

California GemstonesSan Diego, CA

6.80 Carat--- Royal Blue Tazanite ---- Pear Cut: A pear-cut gemstone, displaying a rich, deep "Royal Blue" hue with violet undertones, originating from Tanzania. Featuring high-grade clarity, this substantial, vibrant blue-violet pear-cut gem is com

2026

6.80 Carat--- Royal Blue Tazanite ---- Pear Cut

California GemstonesSan Diego, CA

4.50 Carat --- Brazilian Sky Blue Aquamarine --- Octagon Cut: A high-carat, and premium gem, commonly used as a center stone for luxury custom engagement rings or collector pieces. this is considered a very large size for an aquamarine, making it highly collecti

2026

4.50 Carat --- Brazilian Sky Blue Aquamarine --- Octagon Cut

California GemstonesSan Diego, CA

8.05 Carat ---Pink Sapphire --- Cushion Cut --- EGL Certified: a rare, high-carat gemstone, often featuring a "cushion" shape that combines a square or rectangular outline with rounded corners, mimicking a pillow. Gems of this size and type are often used in high

2026

8.05 Carat ---Pink Sapphire --- Cushion Cut --- EGL Certified

California GemstonesSan Diego, CA

GEM SILICA ROCK STONE LAPIDARY SPECIMEN: GEM SILICA ROCK STONE LAPIDARY SPECIMEN - Part of our Discover Golden Attic, Crystals and Gems auction at HATMAN'S Auctions! Please see photos for measurements and condition. YES, we have in-house shi

2026

GEM SILICA ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

GEM SILICA ROCK STONE LAPIDARY SPECIMEN: GEM SILICA ROCK STONE LAPIDARY SPECIMEN - Part of our Discover Golden Attic, Crystals and Gems auction at HATMAN'S Auctions! Please see photos for measurements and condition. YES, we have in-house shi

2026

GEM SILICA ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

Metaxymorpha gloriosa: A true jewled beetle gem from Australia! Spread as shown from the TBC House Collection!

2026

Metaxymorpha gloriosa

The Butterfly Company LLCChicago, IL

NATURAL FORMATION SPANISH PYRITE CUBE ROCK STONE LAPIDARY SPECIMEN: NATURAL FORMATION SPANISH PYRITE CUBE ROCK STONE LAPIDARY SPECIMEN - Part of our Discover Golden Attic, Crystals and Gems auction at HATMAN'S Auctions! Please see photos for measurements and condition

2026

NATURAL FORMATION SPANISH PYRITE CUBE ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

CHRYSOCOLLA ROCK STONE LAPIDARY SPECIMEN: CHRYSOCOLLA ROCK STONE LAPIDARY SPECIMEN - Part of our Discover Golden Attic, Crystals and Gems auction at HATMAN'S Auctions! Please see photos for measurements and condition. YES, we have in-house sh

2026

CHRYSOCOLLA ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

GARNET ROCK STONE LAPIDARY SPECIMEN: GARNET ROCK STONE LAPIDARY SPECIMEN - Part of our Discover Golden Attic, Crystals and Gems auction at HATMAN'S Auctions! Please see photos for measurements and condition. YES, we have in-house shippin

2026

GARNET ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

AGATE SLICE ROCK STONE LAPIDARY SPECIMEN: AGATE SLICE ROCK STONE LAPIDARY SPECIMEN - Part of our Discover Golden Attic, Crystals and Gems auction at HATMAN'S Auctions! Please see photos for measurements and condition. YES, we have in-house sh

2026

AGATE SLICE ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

MIXED LOT ROCK STONE LAPIDARY SPECIMEN: MIXED LOT ROCK STONE LAPIDARY SPECIMEN - Part of our Discover Golden Attic, Crystals and Gems auction at HATMAN'S Auctions! Please see photos for measurements and condition. YES, we have in-house ship

2026

MIXED LOT ROCK STONE LAPIDARY SPECIMEN

Col. Christie Hatman AuctioneersThayer, MO

GENUINE STONE PENDANT ON CHAIN NECKLACE: GENUINE STONE PENDANT ON CHAIN NECKLACE - Part of our Discover Golden Attic, Crystals and Gems auction at HATMAN'S Auctions! Please see photos for measurements and condition. YES, we have in-house shi

2026

GENUINE STONE PENDANT ON CHAIN NECKLACE

Col. Christie Hatman AuctioneersThayer, MO

View:

24

Gems Auctions

AQUAMARINE AND PERIDOT ROCK STONE LAPIDARY SPECIMEN

MIXED PENDANTS ROCK STONE LAPIDARY SPECIMEN

FOSSIL IN MATRIX ROCK STONE LAPIDARY SPECIMEN

Trove of Treasures Gems & Antiques

Col. Christie Hatman Auctioneers

Starts on:

Thayer, MO, US

3 hrs Left

18K White Gold Kashmir Sapphire Ring with Diamonds

18K White Gold Paraiba ring With Diamonds

18K Gold-Plated 925 Silver Chain with amethyst, topaz and lemon quartz pear shape

Live25

Nile Gems | Fine Jewelry & Gemstones Auction

Nile Jewels Co Ltd

Started:

Bangkok, Krung Thep, TH

AGL Certified 7.63ct Natural No Heat Royal Blue Sapphire Diamond Ring Platinum*v

Authentic Tiffany & Co 18kt Pin 11793**

GIA Certified 5.08ct. Natural Ruby Diamonds ring 18kt Ballerina Prime *v

Gems & Glamour: Fine Jewelry Stones Auction

Ends from:

New York, NY, US

TOP