search
  • Sign In
    Sign Up
  • English speaking customer support only

    1-800-464-1640

  • Change Language
  • USD
Loose 18.17 ct Trillion Black Obsidian Gemstone for Sale, 24.8 x 19.7 mm | GemSelect
Loose 18.17 ct Trillion Black Obsidian Gemstone for Sale, 24.8 x 19.7 mm | GemSelect Loose 18.17 ct Trillion Black Obsidian Gemstone for Sale, 24.8 x 19.7 mm | GemSelect

24.8 x 19.7mm Trillion Cabochon Black Obsidian from United States, Weight of 18.17ct, Natural untreated Gemstone in Opaque Clarity, 1pc Obsidian - Color: Black With Gold Sheen, Mohs Hardness of 5 - 5.5

On-Time Delivery:
9.6 out of 10
Product Availability:
9.7 out of 10
Product Met Expectations:
9.7 out of 10
9.7 out of 10
Product ID: 674982
Type: Obsidian
Weight: 18.17 ct 1 gem
Size:(more) mm calibrated
Size:(more) 24.8 x 19.7 x 6.2 mm
Shape: Trillion Cabochon
Color: Black with Gold Sheen
Clarity: Opaque
Treatment: Untreated
Origin: United States
Content: 1 pc
Certificate Options
$
1363

Product Description

24.76 x 19.74 x 6.18 mm natural black with gold sheen Obsidian in trillion cabochon shape. The gemstone weight is 18.17ct and it was mined in United States. The clarity of this black Obsidian is Opaque. This black Obsidian is completely untreated; no treatment at all has been applied. The Obsidian is sold as pictured: 1pc trillion Obsidian for the price listed.

Product Features

  • No treatment has been applied to this gemstone. This is a natural untreated gemstone.

Product Uses

  • This gemstones is suitable for a center-stone in a pendant.

Policies

Certified Store Reviews

Over 17 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 9 star ratings

Easy to use and the filters were of much help!

Posted By Diyana in March, 2022
Source: Bizrate

Overall Rating -> 8 star ratings

I don't have any bad experiences with this site. I like the variety of gems to purchase and have found out about gemstones I have never seen before.

Posted By Kennith in May, 2022
Source: Bizrate

Overall Rating -> 8 star ratings

Good website, I like the ease of the layout, Starting gem hunting and collecting.

Posted By SuperBee in February, 2023
Source: Bizrate

Overall Rating -> 8 star ratings

I like to use GemSelect for finding calibrated sizes of gemstones. I purchased sapphires a few years ago and found the quality to be outstanding so I went ahead and purchased some more today (different) and some really unique moonstone. I'm opening a jewelry busy soon and so accurate gemstone sizes, quality, and reliability as a supplier is really important to me. Gemselect seems to fill all those requirements.

Posted By J in November, 2022
Source: Bizrate

Overall Rating -> 10 star ratings

I kept changing my mind on the stones to order today. No problems

Posted By Rbuddy in November, 2022
Source: Bizrate

Overall Rating -> 10 star ratings

This business makes it easy to research and find all pertinent information about the individual gemstones and other information such as the recommend use (ring or pendent for example). Also it's important to know about things like hardness and durability of the gemstones. I also appreciate the history of purchases and transaction details. Just be sure to register on the website to get the best experience.

Posted By Greg in January, 2023
Source: Bizrate

Overall Rating -> 8 star ratings

good selection of affordable gems for a collector who just thinks they're pretty

Posted By Nigerian Prince in March, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Nice quality items, good customer service, great selection of fine stones, product information detailed & fast deliveries

Posted By Tadeo in November, 2022
Source: Bizrate

Overall Rating -> 9 star ratings

Would like returning customers to be able to sign in. Didn’t see this option on site. Love your products and UX is good.

Posted By Dgb in December, 2022
Source: Bizrate

Overall Rating -> 10 star ratings

I recently purchased from another site. It was an auction type. Unfortunately they added buyer's premium of 22% and Fort Knox shipping fees. Never again now that I've seen this site.

Posted By Old Salt in February, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

This is the second purchase I have made from you. I am very pleased.

Posted By Jim in August, 2022
Source: Bizrate

Overall Rating -> 10 star ratings

It was great i bet there is a way to just look for blue gemstones but I found em so it doesn't matter.

Posted By Aaron in October, 2022
Source: Bizrate

Overall Rating -> 10 star ratings

I like it

Posted By Swan in February, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Great product

Posted By Jamie in June, 2022
Source: Bizrate

Overall Rating -> 10 star ratings

good experience

Posted By Jackila in July, 2022
Source: Bizrate
Download Identification Report PDF
BGL Brief Report $ 18.00
Turnaround Time: 3-4 working days Details
AIG Brief Report $ 35.00
Turnaround Time: 5-10 working days Details
ICA Brief Report $ 62.00
Turnaround Time: 8-12 working days Details
STAY IN TOUCH
*You're signing up to receive GemSelect promotional email.

Switch to Mobile Version

Privacy Notice © 2005-2023 GemSelect.com all rights reserved.

Reproduction (text or graphics) without the express written consent of GemSelect.com (SETT Company Ltd.) is strictly prohibited.

1031

More Shapes
Popular Gemstones
  • Sapphire
  • Emerald
  • Ruby
  • Aquamarine
  • Zircon
  • Opal
  • Topaz
  • Tourmaline
  • Garnet
  • Amethyst
  • Citrine
  • Tanzanite
All Gemstones (142)
A B C D E F G H I J K L M N O P Q R S T V Z
  • Actinolite Cat's Eye
  • Agate
  • Agate Geode
  • Alexandrite
  • Almandine Garnet
  • Amazonite
  • Amethyst
  • Amethyst Geode Slice
  • Ametrine
  • Ammolite
  • Andalusite
  • Andesine Labradorite
  • Apatite
  • Aquamarine
  • Aventurine
  • Azurite
  • Black Opal
  • Bloodstone
  • Boulder Opal
  • Carnelian
  • Cat's Eye Apatite
  • Cat's Eye Aquamarine
  • Cat's Eye Gemstones
  • Cat's Eye Moonstone
  • Cat's Eye Opal
  • Cat's Eye Scapolite
  • Chalcedony
  • Charoite
  • Chocolate Opal
  • Chrome Diopside
  • Chrome Tourmaline
  • Chrysoberyl
  • Chrysoberyl Cat's Eye
  • Chrysocolla
  • Chrysoprase
  • Citrine
  • Color Change Gemstones
  • Color-Change Diaspore
  • Color-Change Fluorite
  • Color-Change Garnet
  • Coral
  • Demantoid Garnet
  • Dendritic Agate
  • Diamond
  • Druzy Amethyst
  • Druzy Azurite
  • Druzy Variscite
  • Emerald
  • Enstatite
  • Fire Agate
  • Fire Opal
  • Fluorite
  • Fossil Coral
  • Garnet
  • Golden Beryl
  • Grandidierite
  • Grossularite Garnet
  • Hawk's Eye
  • Hematite
  • Hemimorphite
  • Hemimorphite Druzy
  • Hessonite Garnet
  • Howlite
  • Idocrase
  • Imperial Topaz
  • Iolite
  • Jade Gemstones
  • Jadeite
  • Jasper
  • Kornerupine
  • Kunzite
  • Kyanite
  • Labradorite
  • Lapis Lazuli
  • Larimar
  • Malachite
  • Malaya Garnet
  • Mali Garnet
  • Maw-Sit-Sit
  • Moonstone
  • Morganite
  • Mother Of Pearl
  • Mystic Topaz
  • Nuummite
  • Obsidian
  • Onyx
  • Opal
  • Opal Doublet
  • Opal In Matrix
  • Pearl
  • Peridot
  • Pietersite
  • Prehnite
  • Pyrite
  • Pyrope Garnet
  • Quartz
  • Quartz Cat's Eye
  • Quartz With Hedenbergite
  • Quartz With Marcasite
  • Rainbow Moonstone
  • Rainbow Pyrite
  • Rhodochrosite
  • Rhodolite Garnet
  • Rose Quartz
  • Rubellite Tourmaline
  • Ruby
  • Ruby In Fuchsite
  • Ruby-Zoisite
  • Rutile Quartz
  • Sapphire
  • Scapolite
  • Scolecite
  • Seraphinite
  • Serpentine
  • Sillimanite
  • Sillimanite Cat's Eye
  • Smithsonite
  • Smoky Quartz
  • Snowflake Obsidian
  • Sodalite
  • Spectrolite
  • Spessartite Garnet
  • Sphene
  • Spinel
  • Star Diopside
  • Star Garnet
  • Star Gemstones
  • Star Moonstone
  • Star Rose Quartz
  • Star Ruby
  • Star Sapphire
  • Strawberry Quartz
  • Sunstone
  • Tanzanite
  • Tiger's Eye
  • Tiger's Eye Matrix
  • Topaz
  • Tourmaline
  • Tsavorite Garnet
  • Turquoise
  • Variscite
  • Zircon
Main Categories
  • New Arrivals
  • Gemstone Lots
  • Calibrated Gemstones
  • Gemstones By Piece
  • Top Grade Gems
  • Matching Pairs
  • Cabochon Gemstones
  • Drilled Gems, Briolettes and Beads
  • Birthstones
  • Gemstone Carvings
  • Fancy Gemstones
  • Star Gemstones
  • Unheated Sapphire
English speaking customer support only

Toll Free - USA & Canada only:
1-800-464-1640

International:
+66-39609697

Save Money
No shipping Fees for Additional Items!
$8.90 Worldwide Shipping

Update Translation
 
Current Value
New Value
GemSelect Gemstones
X Close Window
Colored Gemstones
X Close Window
Colored Gemstones
X Close Window
Colored Gemstones
Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart