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 Single Center Stones

Single Center Stones

Browse natural loose gemstones suited for single center-stone jewelry, from classic ring and pendant designs to custom one-of-a-kind settings.

Single Center Stones Weight
Single Center Stones Size
Single Center Stones Clarity
Single Center Stones Price
Single Center Stones Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color Single Center Stones
Black Single Center Stones
Blue Single Center Stones
Brown Single Center Stones
Golden Single Center Stones
Gray Single Center Stones
Green Single Center Stones
Multicolor Single Center Stones
Orange Single Center Stones
Pink Single Center Stones
Purple Single Center Stones
Red Single Center Stones
Turquoise Single Center Stones
Violet Single Center Stones
White Single Center Stones
Yellow Single Center Stones
Single
Pairs
Lots
Faceted
Cabochons
Clear All

0.35ct Blue Kyanite, Round, VS-SI

4.2 mm

$ 8.72

View Gem

3.49ct Green Agate, Oval, Translucent

10.5 x 8 mm

$ 3.79

View Gem

2.42ct Multicolor Labradorite, Baguette, Translucent

8 x 6 mm (calibrated)

$ 4.82

View Gem

3.96ct Pink Morganite, Pear Shape, Transparent

12.8 x 8.1 mm

$ 16.43

View Gem

0.75ct Yellow Color-Change Diaspore, Emerald Cut, VS-SI

5.6 x 4.2 mm

$ 19.90

View Gem

1.49ct Yellow Citrine, Emerald Cut, VVS

8 x 6 mm (calibrated)

$ 11.87

View Gem

1.77ct Blue Tanzanite, Pear Shape, VVS

10 x 7 mm (calibrated)

$ 523.46

View Gem

3.42ct Yellow Apatite, Emerald Cut, VS

8.7 x 8.5 mm

$ 176.10

View Gem

6.35ct Pink Rose Quartz, Oval, Transparent

14 x 11 mm

$ 34.79

View Gem

0.71ct Orange Sapphire, Oval, VS

6 x 4 mm (calibrated)

$ 106.07

View Gem

12.35ct Multicolor Agate, Oval, Opaque

15.8 x 13.5 mm

$ 12.30

View Gem

0.56ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 16.73

View Gem

5.51ct Brown Smoky Quartz, Round, Transparent

12 mm (calibrated)

$ 23.12

View Gem

2.28ct Orange Hessonite Garnet, Emerald Cut, SI

8 x 6 mm (calibrated)

$ 37.62

View Gem

2.26ct Green Tourmaline, Emerald Cut, VS

7.3 x 7 mm

$ 112.55

View Gem

0.56ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 377.24

View Gem

3.32ct Blue Tanzanite, Oval, Transparent

10 x 8 mm (calibrated)

$ 28.73

View Gem

4.91ct Black Star Diopside, Oval, Opaque

11 x 9 mm (calibrated)

$ 24.45

View Gem

1.65ct Orange Hessonite Garnet, Round, VS

6.5 mm (calibrated)

$ 23.14

View Gem

1.80ct Red Ruby, Round, SI

7 mm (calibrated)

$ 134.46

View Gem

5.88ct Multicolor Labradorite, Marquise, Translucent

16 x 8 mm (calibrated)

$ 13.00

View Gem

1.18ct Purple Rhodolite Garnet, Oval, VS-SI

7 x 5 mm (calibrated)

$ 31.34

View Gem

1.03ct Multicolor Opal, Oval, Transparent

9.2 x 6.4 mm

$ 33.86

View Gem

25.80ct Violet Amethyst, Oval, IF

19.5 x 15.9 mm

$ 197.86

View Gem
1 2 3
...
298
Choose Page
1 - 1500

Why Buy Single Center Stones from GemSelect?

Shop Natural Gemstones for a Focal Design

A single center stone is the main gemstone in a jewelry design. Whether it will be set in a solitaire ring, a pendant, a statement cocktail ring or a custom mounting, the center gem sets the tone for the finished piece. This category brings together natural loose gemstones that work well as the primary visual focus of a design.

Choose by Shape, Color and Presence

Center stones are often selected for their balance of beauty, size and wearability. Round, oval, cushion, pear, emerald-cut, trillion and other shapes can each create a different style. Color is equally important: vivid, subtle, deep or pastel tones can change the entire character of a design. Use the gemstone details to compare measurements, carat weight, clarity, cut and overall appearance before choosing the stone that best fits your project.

Natural loose gemstones suitable for single center stone jewelry

For Rings, Pendants and Custom Jewelry

Single center stones are a flexible choice for many types of jewelry. A well-proportioned gem can stand alone in a simple setting, while a more dramatic stone may be paired with accent gems or decorative metalwork. If you are working with a jeweler, the loose gemstone’s dimensions are especially important for planning the setting and final design.

Review the Gem Details Before Buying

Every gemstone type has its own character, including differences in hardness, brilliance, transparency and typical inclusions. For jewelry that will be worn often, consider the intended use as well as the gem’s durability. Always check the individual product information for measurements, shape, treatment notes and other specifications relevant to your purchase.

Single Center Stone FAQs

What is a single center stone?

A single center stone is the main loose gemstone intended to be the focal point of a jewelry piece, such as a ring, pendant or custom design.

How do I choose the right size center stone?

Look at the gemstone’s millimeter measurements as well as carat weight. Two stones with the same carat weight can face up differently depending on shape, cut and gemstone type.

Which gemstone shapes are popular for center stones?

Round, oval, cushion, pear, emerald-cut and trillion shapes are common choices, but the best shape depends on the setting style and the look you prefer.

Can these stones be used for engagement rings?

Many natural gemstones can be used in engagement-style rings, but durability varies by gem type. For everyday wear, discuss setting protection and gemstone suitability with your jeweler.

Should I buy the stone before the setting?

For custom jewelry, many buyers choose the loose center stone first so the setting can be made to fit its exact shape and measurements.

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

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
Source: Bizrate

Overall Rating -> 7 star ratings

Easy, quick.

Posted By Mich in June, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I do enjoy this website and the wide selection. I would like to see more untreated stones. I also wasn't able to see my past order when I logged in.

Posted By Great selection, ok website in July, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate
Enlarged Gemstone Image