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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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1.81ct Orange Hessonite Garnet, Cushion, VS-SI

7 x 7 mm (calibrated)

$ 30.84

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4.26ct Black Onyx, Heart, Opaque

10.4 x 10.3 mm

$ 4.24

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14.48ct Pink Kunzite, Oval, VS

16.7 x 12.2 mm

$ 300.46

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2.01ct Orange Hessonite Garnet, Oval, VS

8.8 x 6.6 mm

$ 36.09

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0.50ct Yellow Sphalerite, Oval, SI

5 x 4.2 mm

$ 24.90

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28.09ct Yellow Quartz, Cushion, VVS-VS

19 x 19 mm (calibrated)

$ 61.55

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0.36ct Blue Sapphire, Heart, VVS-VS

4 x 4 mm (calibrated)

$ 28.68

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1.26ct Orange Hessonite Garnet, Oval, VS

7.7 x 5.6 mm

$ 23.85

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0.42ct Orange Sapphire, Heart, VS

4.5 x 4.5 mm

$ 7.27

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5.78ct Orange Spessartite Garnet, Oval, Transparent

9.9 x 9 mm

$ 143.92

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9.06ct Black Star Diopside, Round, Opaque

11 mm (calibrated)

$ 45.12

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4.86ct Yellow Citrine, Oval, VVS-VS

12 x 10 mm (calibrated)

$ 37.27

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2.66ct Orange Moonstone, Cushion, Translucent

9 x 7 mm (calibrated)

$ 5.30

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2.27ct Purple Kunzite, Emerald Cut, VVS-VS

7.8 x 5.4 mm

$ 62.47

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0.48ct Pink Morganite, Marquise, VS

8.5 x 3.9 mm

$ 17.93

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1.15ct Pink Morganite, Round, VS

7 mm (calibrated)

$ 44.67

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23.11ct Yellow Star Sapphire, Oval, Opaque

18.8 x 15.9 mm

$ 227.88

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0.63ct Pink Sapphire, Oval, VVS-VS

6 x 5.1 mm

$ 207.07

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4.34ct Orange Sunstone, Round, Translucent

11 mm (calibrated)

$ 26.49

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0.89ct Yellow Morganite, Pear Shape, VS

8 x 6 mm (calibrated)

$ 48.75

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1.08ct Violet Amethyst, Marquise, VS

10 x 5 mm (calibrated)

$ 7.17

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0.81ct Yellow Color-Change Diaspore, Cushion, VVS-VS

5.8 x 5.5 mm

$ 31.07

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8.22ct Multicolor Ruby-Zoisite, Pear Shape, Opaque

16.4 x 10.5 mm

$ 24.76

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9.22ct Black Tourmaline, Cushion, Opaque

13.9 x 10.5 mm

$ 45.92

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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 -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
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

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate
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