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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
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5.37ct Violet Amethyst, Pear Shape, VS

15 x 10 mm (calibrated)

$ 41.18

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6.25ct Green Sapphire, Oval, VVS

12.6 x 10.4 mm

$ 2,848.56

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0.77ct Orange Sphalerite, Oval, SI-I1

5.6 x 5 mm

$ 38.35

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1.35ct Red Tourmaline, Round, Transparent

7 mm (calibrated)

$ 19.28

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0.44ct Green Sapphire, Emerald Cut, VVS-VS

5.1 x 3.2 mm

$ 41.63

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1.24ct Yellow Sphalerite, Round, SI-I1

6 mm (calibrated)

$ 61.75

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1.27ct Yellow Color-Change Diaspore, Cushion, VVS-VS

8 x 5 mm (calibrated)

$ 65.40

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0.50ct Green Tourmaline, Baguette, VVS-VS

5.2 x 3.8 mm

$ 20.75

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32.10ct Yellow Star Sapphire, Oval, Opaque

19.3 x 17 mm

$ 316.52

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1.86ct Pink Strawberry Quartz, Round, Translucent

7 mm (calibrated)

$ 11.37

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0.98ct Yellow Color-Change Diaspore, Pear Shape, VS-SI

8.8 x 4.9 mm

$ 52.23

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8.20ct Brown Smoky Quartz, Round, VS

14 mm (calibrated)

$ 13.48

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17.49ct Blue Topaz, Oval, VVS-VS

19.9 x 10.6 mm

$ 111.78

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1.19ct Yellow Sphene, Round, VS-SI

6.5 mm (calibrated)

$ 71.71

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1.09ct Multicolor Opal, Marquise, Transparent

13.8 x 5.6 mm

$ 48.85

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0.86ct Red Tourmaline, Oval, Transparent

6.4 x 5.8 mm

$ 14.25

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0.82ct Orange Sphalerite, Round, SI-I1

5.3 mm

$ 40.84

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2.38ct Turquoise Fluorite, Pear Shape, Transparent

10.9 x 6.4 mm

$ 9.48

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0.44ct Orange Sapphire, Pear Shape, VS

4.8 x 4.6 mm

$ 19.92

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11.89ct Blue Aquamarine, Baguette, VVS

16.8 x 9.9 mm

$ 3,256.67

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23.41ct Green Cat'S Eye Aquamarine, Oval, Translucent

17.3 x 14.6 mm

$ 396.37

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24.65ct Brown Moonstone, Round, Translucent

18 mm (calibrated)

$ 49.10

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1.03ct Orange Hessonite Garnet, Round, VS

6 mm (calibrated)

$ 17.45

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1.93ct Orange Hessonite Garnet, Round, VS

7.5 mm (calibrated)

$ 42.29

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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

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
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 -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ 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 -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love Gem Select. I always know the quality and accuracy of information and photos are top notch. Highly recommend!

Posted By Matthew K. in May, 2026
Source: Bizrate
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