90,000+Happy Customers
20+Years
WorldwideShipping
Cart
Free Report Included
Worldwide Shipping
30 Day Returns
Help Center Shipping Payment and Checkout Returns Certificates Contact Us
Home Gemstones Tanzanite
1.66 ct Blue Tanzanite Gemstone, Tanzanite Gem in Oval Facet Shape for Sale.
Photos are of Actual Product for Sale
1.66 ct Blue Tanzanite Stone, Natural Tanzanite in Oval Facet Shape for Sale Tanzanite Gemstone in 9 x 7 mm (calibrated) Size for Sale, Tanzanite Stone in Medium Navy Blue Color

1.66ct Natural Blue Tanzanite, Oval Cut, 9.1x7 mm

9.7 out of 10
See Bizrate Ratings for GemSelect
Product ID: 717578
Type: Tanzanite
Weight: 1.66 ct 1 gem
Size: 9 x 7 mm calibrated
Size: 9.1 x 7 x 3.6 mm
Exact Size: 9.11 x 7.04 x 3.61 mm
Length x Width x Depth
Shape: Oval Facet
Color: Medium Navy Blue
Clarity: VVS
Treatment: Heated
Origin: Tanzania
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

$
490.93
Item in Stock
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 1.66 carat natural medium navy blue Tanzanite gem, 1 pc in oval shape with an exact size of 9.11 x 7.04 x 3.61 mm. This loose Tanzanite gemstone was mined in Tanzania and its clarity is VVS (Eye Clean). This natural Tanzanite has been heated to enhance its vivid color.

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

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I loved the selection of gemstones you have a to z

Posted By James in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

overall great

Posted By SR in April, 2026
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