Gem Gemstones, Rings and Fine Jewelry, Silver and Gold Jewelry at GrandGemstones.com

Friday 11 September, 2026

Shipping & Returns

Terms & Conditions

CALL: +1-302-261-2009

Quick Find

T h e G e m H u b O f T h e W o r l d

Categories

What's New?

more

Natural Black Spinel Gemstones 7.04 Ct. Oval Checkerboard Cut 13.5 x 10.5 Mm.

Natural Black Spinel Gemstones 7.04 Ct. Oval Checkerboard Cut 13.5 x 10.5 Mm.
$12.00

What's New?

more

Certified Natural Black Loose Diamond 3.15 Ct. Round Brilliant Cut 8.90 Mm.

Certified Natural Black Loose Diamond 3.15 Ct. Round Brilliant Cut 8.90 Mm.
$192.00

Information

Terms & Conditions
Shipping & Returns
Privacy Notice
Payment
Contact Us
About Us
News
FAQ
Links
Sitemap

Grandgemstones features a collection of natural gemstones from around the world. Our goal is not only to provide gemstones for sale, but also to educate and inform the buyer. As gemstones are sold, they are replaced, and new gemstones are added frequently. If you are looking for something in particular, we take requests and do our best to provide them for you.

Garnets is the modern birthstone. Garnets come in an array of colours. The various types of garnets include:

Rhodolite garnest, which range from pink to purplish in colour
Tsavorite garnets are bright yellow-green / grass green
Demantoid garnet combines a bright green with dazzling brilliance
Pyrope garnet is a very saturated red
mandarin garnet because its colour is a true orange

View the entire of selection garnets on our website.

New Products For September

Natural Black Spinel Gemstones 4.46 Ct. Round Checkerboard Cut 9.9 Mm.
Weight: 4.46 Ct.
Size: 9.9 x 9.9 x 4.6 Mm
...
Price: $12.00

Natural Black Spinel Gemstones 3.34 Ct. Pear Checkerboard Cut 10.3 x 7.6 Mm.
Weight: 3.34 Ct.
Size: 10.3 x 7.6 x 4.8 Mm
...
Price: $12.00

Natural Black Spinel Gemstones 6.94 Ct. Oval Checkerboard Cut 13.8 x 9.2 Mm.
Weight: 6.94 Ct.
Size: 13.8 x 9.2 x 5.2 Mm
...
Price: $12.00

Natural Black Spinel Gemstones 6.86 Ct. Oval Checkerboard Cut 19 x 14 Mm.
Weight: 6.86 Ct.
Size: 19 x 14 x 5.5 Mm
...
Price: $12.00

Natural Black Spinel Gemstones 10.59 Ct. Oval Checkerboard Cut 14.9 x 13.3 Mm.
Weight: 10.59 Ct.
Size: 14.9 x 13.3 x 5.8 Mm
...
Price: $12.00

Natural Black Spinel Gemstones 7.04 Ct. Oval Checkerboard Cut 13.5 x 10.5 Mm.
Weight: 7.04 Ct.
Size: 13.5 x 10.5 x 5.3 Mm
...
Price: $12.00

Natural Black Spinel Gemstones 10.50 Ct. Square Checkerboard Cut 11.8 x 11.6 Mm.
Weight: 10.50 Ct.
Size: 11.8 x 11.6 x 5.3 Mm
...
Price: $15.00

Natural Black Spinel Gemstones 9.74 Ct. Square Checkerboard Cut 11.4 x 11 Mm.
Weight: 9.74 Ct.
Size: 11.4 x 11 x 5.4 Mm
...
Price: $15.00

Natural Black Spinel Gemstones 9.52 Ct. Square Checkerboard Cut 11.4 x 11.1 Mm.
Weight: 9.52 Ct.
Size: 11.4 x 11.1 x 5 Mm
...
Price: $15.00

Natural Black Spinel Gemstones 11.10 Ct. Square Checkerboard Cut 12 x 11.8 Mm.
Weight: 11.10 Ct.
Size: 12 x 11.8 x 5.4 Mm
...
Price: $15.00

Natural Black Spinel Gemstones 10.05 Ct. Square Checkerboard Cut 11.6 x 12 Mm.
Weight: 10.05 Ct.
Size: 11.6 x 12 x 5.1 Mm
...
Price: $15.00

Natural Black Spinel Gemstones 9.93 Ct. Square Checkerboard Cut 11.6 x 11.8 Mm.
Weight: 9.93 Ct.
Size: 11.6 x 11.8 x 5.1 Mm
...
Price: $15.00

Natural Black Spinel Gemstones 7.04 Ct. Square Checkerboard Cut 10.2 x 4.6 Mm.
Weight: 7.04 Ct.
Size: 10.2 x 10.2 x 4.6 Mm
...
Price: $12.00

Natural Black Spinel Gemstones 35.70 Ct. Marquise Checkerboard Cut 30 x 22 Mm.
Weight: 35.70 Ct.
Size: 32 x 20 x 8.8 Mm
...
Price: $51.00

Natural Black Spinel Gemstones 62.65 Ct. Pear Shape 30 x 22 Mm.
Weight: 62.65 Ct.
Size: 30 x 22 x 10.9 Mm
...
Price: $63.00

Natural Black Spinel Gemstones 67.02 Ct. Heart Shape 27 x 22 Mm.
Weight: 67.02 Ct.
Size: 27 x 22 x 15 Mm
...
Price: $63.00

Natural Black Spinel Gemstones 78.55 Ct. Oval Shape 30 x 22 Mm.
Weight: 78.55 Ct.
Size: 30 x 22 x 12.6 Mm
...
Price: $72.00

Natural Black Spinel Gemstones 100.11 Ct. Oval Checkerboard Cut 32 x 24 Mm.
Weight: 100.11 Ct.
Size: 32 x 24 x 15.2 Mm
...
Price: $72.00

Natural White Zircon Gemstones 0.33 Ct. 20 Pcs. Round Diamond Cut 1.4 Mm.
Weight: 0.33 Ct.
Size: 1.4 x 1.4 x 1.1 Mm
...
Price: $5.31

Natural White Zircon Gemstones 0.36 Ct. 21 Pcs. Round Diamond Cut 1.4 Mm.
Weight: 0.36 Ct.
Size: 1.4 x 1.4 x 1.1 Mm
...
Price: $5.52

Certified Natural Black Loose Diamond 3.15 Ct. Round Brilliant Cut 8.90 Mm.
Weight: 3.15 Ct.
Size: 8.90 x 8.90 Mm
...
Price: $192.00

Certified Natural Black Loose Diamond 1.30 Ct. Round Brilliant Cut 6.40 Mm.
Weight: 1.30 Ct.
Size: 6.40 x 6.40 Mm
...
Price: $81.00

Certified Natural Black Loose Diamond 1.81 Ct. Round Brilliant Cut 7.70 Mm.
Weight: 1.81 Ct.
Size: 7.70 x 7.70 Mm
...
Price: $111.00

Certified Natural Black Loose Diamond 1.33 Ct. Round Brilliant Cut 6.72 x 4.30 Mm.
Weight: 1.33 Ct.
Size: 6.72 x 6.72 x 4.30 Mm
...
Price: $99.00

Certified Natural Black Loose Diamond 1.62 Ct. Round Brilliant Cut 7.07 x 4.62 Mm.
Weight: 1.62 Ct.
Size: 7.07 x 7.07 x 4.62 Mm
...
Price: $99.00

Certified Natural Black Loose Diamond 3.18 Ct. Round Brilliant Cut 8.60 Mm.
Weight: 3.18 Ct.
Size: 8.60 x 8.60 Mm
...
Price: $192.00

Certified Natural Black Loose Diamond 1.22 Ct. Round Brilliant Cut 6.48 x 4.30 Mm.
Weight: 1.22 Ct.
Size: 6.48 x 6.48 x 4.30 Mm
...
Price: $75.00

Certified Natural Black Loose Diamond 1.83 Ct. Round Brilliant Cut 7.25 x 5.00 Mm.
Weight: 1.83 Ct.
Size: 7.25 x 7.25 x 5.00 Mm
...
Price: $111.00

Certified Natural Black Loose Diamond 1.76 Ct. Round Brilliant Cut 7.15 x 5.01 Mm.
Weight: 1.76 Ct.
Size: 7.15 x 7.15 x 5.01 Mm
...
Price: $108.00

Certified Natural Black Loose Diamond 1.82 Ct. Round Brilliant Cut 7.15 x 5.22 Mm.
Weight: 1.82 Ct.
Size: 7.15 x 7.15 x 5.22 Mm
...
Price: $111.00

Certified Natural Black Loose Diamond 1.56 Ct. Round Brilliant Cut 7.00 x 4.69 Mm.
Weight: 1.56 Ct.
Size: 7.00 x 7.00 x 4.69 Mm
...
Price: $96.00

Certified Natural Black Loose Diamond 1.74 Ct. Round Brilliant Cut 7.07 x 5.02 Mm.
Weight: 1.74 Ct.
Size: 7.07 x 7.07 x 5.02 Mm
...
Price: $105.00

Certified Natural Black Loose Diamond 1.67 Ct. Round Brilliant Cut 7.00 x 5.10 Mm.
Weight: 1.67 Ct.
Size: 7.00 x 7.00 x 5.10 Mm
...
Price: $102.00

Certified Natural Black Loose Diamond 1.18 Ct. Round Brilliant Cut 6.40 Mm.
Weight: 1.18 Ct.
Size: 6.40 x 6.40 Mm
...
Price: $72.00

Certified Fancy Vivid Blue Loose Lab-Grown CVD Diamond 0.83 Ct. Round Diamond Cut 5.80 x 3.80 Mm.
Weight: 0.83 Ct.
Size: 5.80 x 5.80 x 3.80 Mm
...
Price: $150.00

Certified Fancy Vivid Blue Loose Lab-Grown CVD Diamond 0.80 Ct. Round Diamond Cut 5.80 x 3.60 Mm.
Weight: 0.80 Ct.
Size: 5.80 x 5.80 x 3.60 Mm
...
Price: $147.00

Certified Fancy Vivid Blue Loose Lab-Grown CVD Diamond 0.76 Ct. Round Diamond Cut 5.70 x 3.60 Mm.
Weight: 0.76 Ct.
Size: 5.70 x 5.70 x 3.60 Mm
...
Price: $138.00

Certified Fancy Vivid Blue Loose Lab-Grown CVD Diamond 0.73 Ct. Round Diamond Cut 5.70 x 3.40 Mm.
Weight: 0.73 Ct.
Size: 5.70 x 5.70 x 3.40 Mm
...
Price: $132.00

Certified Fancy Vivid Blue Loose Lab-Grown CVD Diamond 0.73 Ct. Round Diamond Cut 5.90 x 3.40 Mm.
Weight: 0.73 Ct.
Size: 5.90 x 5.90 x 3.40 Mm
...
Price: $132.00

Certified Fancy Vivid Blue Loose Lab-Grown CVD Diamond 0.73 Ct. Round Diamond Cut 5.70 x 3.60 Mm.
Weight: 0.73 Ct.
Size: 5.70 x 5.70 x 3.60 Mm
...
Price: $132.00

Certified Fancy Vivid Blue Loose Lab-Grown CVD Diamond 0.72 Ct. Round Diamond Cut 5.80 x 3.50 Mm.
Weight: 0.72 Ct.
Size: 5.80 x 5.80 x 3.50 Mm
...
Price: $132.00

Certified Fancy Vivid Blue Loose Lab-Grown CVD Diamond 0.68 Ct. Round Diamond Cut 5.60 x 3.40 Mm.
Weight: 0.68 Ct.
Size: 5.60 x 5.60 x 3.40 Mm
...
Price: $123.00

Certified Fancy Vivid Blue Loose Lab-Grown CVD Diamond 0.66 Ct. Round Diamond Cut 5.50 x 3.40 Mm.
Weight: 0.66 Ct.
Size: 5.50 x 5.50 x 3.40 Mm
...
Price: $120.00

Certified Fancy Vivid Blue Loose Lab-Grown CVD Diamond 0.61 Ct. Round Diamond Cut 5.40 x 3.30 Mm.
Weight: 0.61 Ct.
Size: 5.40 x 5.40 x 3.30 Mm
...
Price: $111.00

Certified Exceptional White Loose Lab-Grown CVD Diamond 1.16 Ct. Round Diamond Cut 6.70 x 4.10 Mm.
Weight: 1.16 Ct.
Size: 6.70 x 6.70 x 4.10 Mm
...
Price: $279.00

Certified Exceptional White Loose Lab-Grown CVD Diamond 1.29 Ct. Round Diamond Cut 7.00 x 4.10 Mm.
Weight: 1.29 Ct.
Size: 7.00 x 7.00 x 4.10 Mm
...
Price: $312.00

Certified Exceptional White Loose Lab-Grown CVD Diamond 1.62 Ct. Round Diamond Cut 7.40 x 4.60 Mm.
Weight: 1.62 Ct.
Size: 7.40 x 7.40 x 4.60 Mm
...
Price: $390.00

Certified Exceptional White Loose Lab-Grown CVD Diamond 1.16 Ct. Round Diamond Cut 6.70 x 4.00 Mm.
Weight: 1.16 Ct.
Size: 6.70 x 6.70 x 4.00 Mm
...
Price: $279.00

Certified Exceptional White Loose Lab-Grown CVD Diamond 1.11 Ct. Round Diamond Cut 6.60 x 4.10 Mm.
Weight: 1.11 Ct.
Size: 6.60 x 6.60 x 4.10 Mm
...
Price: $264.00

Certified Exceptional White Loose Lab-Grown CVD Diamond 1.13 Ct. Round Diamond Cut 6.60 x 4.10 Mm.
Weight: 1.13 Ct.
Size: 6.60 x 6.60 x 4.10 Mm
...
Price: $273.00

Log In

E-Mail Address:

Password:

Specials

more

7.19 Ct. Round 11.2 Mm. Natural Black Loose Diamond

7.19 Ct. Round 11.2 Mm. Natural Black Loose Diamond

~~$678.42~~
$543.19

Shopping Cart

more

0 items

Currencies

Home

Contact us

Shopping Cart

Checkout

Members

Copyright © 2005 Company Name Inc. All Rights Reserved.

Support & design by Grandgemstones Marketing LLC.