X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

18.50 ct Brown Smoky Quartz Gemstone, Smoky Quartz Gem in Octagon Concave Cut Shape for Sale.
Photos are of Actual Product for Sale
18.50 ct Brown Smoky Quartz Stone, Natural Smoky Quartz in Octagon Concave Cut Shape for Sale Smoky Quartz Gemstone in 18 x 18 mm (calibrated) Size for Sale, Smoky Quartz Stone in Light Earthy Brown Color

18.50ct Light Earthy Brown Smoky Quartz, Emerald Cut, VVS-VS

9.7 out of 10
See Bizrate Ratings for GemSelect
Smoky Quartz Product ID: 611705
Type: Smoky Quartz
Smoky Quartz Weight: 18.50 ct Smoky Quartz 1 gem
Smoky Quartz Size: 18 x 18 mm calibrated Smoky Quartz
Smoky Quartz Size: 18 x 17.9 x 11.9 mm Smoky Quartz
Smoky Quartz Exact Size: 18.02 x 17.89 x 11.85 mm
Length x Width x Depth
Smoky Quartz Shape: Octagon Concave Cut Smoky Quartz
Smoky Quartz Color: Light Earthy Brown Smoky Quartz
Smoky Quartz Clarity: VVS-VS Smoky Quartz
Smoky Quartz Treatment: Untreated
Smoky Quartz Origin: Brazil Smoky Quartz
Content: 1 pc
Certificate Options

Checking all Boxes

  • Natural certified gemstones

    Gemstone Laboratories
  • Accept Credit, Debit Card and PayPal

    Payment Options
  • Worldwide shipping

    Shipping Options
  • 30-day risk free return policy

$
61.38
Item in Stock
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 18.50 carat natural light earthy brown Smoky Quartz gem, 1 pc in octagon / emerald cut shape with an exact size of 18.02 x 17.89 x 11.85 mm. This loose Smoky Quartz gemstone was mined in Brazil and its clarity is VVS-VS (Eye Clean). No treatment has been applied on this natural Smoky Quartz stone

GemSelect Policies

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not have any problems

Posted By Clilrichard in January, 2025
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 $ 90.00
Turnaround Time: 8-12 working days Details
Enlarged Gemstone Image