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Home Gemstones 1-2 ct Center Stones

1–2 ct Center Stones

Browse natural loose gemstones in the 1–2 carat range for center-stone jewelry, with options for rings, pendants and custom designs in a wide choice of colors and shapes.

1-2 ct Center Stones Weight
1-2 ct Center Stones Size
1-2 ct Center Stones Clarity
1-2 ct Center Stones Price
1-2 ct Center Stones Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color 1-2 ct Center Stones
Black 1-2 ct Center Stones
Blue 1-2 ct Center Stones
Brown 1-2 ct Center Stones
Golden 1-2 ct Center Stones
Gray 1-2 ct Center Stones
Green 1-2 ct Center Stones
Multicolor 1-2 ct Center Stones
Orange 1-2 ct Center Stones
Pink 1-2 ct Center Stones
Purple 1-2 ct Center Stones
Red 1-2 ct Center Stones
Turquoise 1-2 ct Center Stones
Violet 1-2 ct Center Stones
White 1-2 ct Center Stones
Yellow 1-2 ct Center Stones
Single
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Lots
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1.36ct Purple Spinel, Cushion, VVS-VS

6.8 x 6.4 mm

$ 135.46

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1.44ct Orange Sphalerite, Oval, SI

6.7 x 5.7 mm

$ 71.71

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1.18ct Orange Hessonite Garnet, Baguette, VVS-VS

6.9 x 4.7 mm

$ 25.85

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1.59ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 73.16

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1.25ct Green Peridot, Oval, VS

7.6 x 5.8 mm

$ 11.21

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1.78ct Multicolor Mystic Quartz, Pear Shape, VVS

10 x 7 mm (calibrated)

$ 10.64

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1.54ct Yellow Citrine, Emerald Cut, VVS-VS

8 x 6 mm (calibrated)

$ 10.74

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1.47ct Orange Hessonite Garnet, Cushion, VS

6.6 x 6.5 mm

$ 32.21

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1.13ct Yellow Sillimanite, Oval, VVS-VS

8 x 6 mm (calibrated)

$ 43.33

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1.72ct Green Sphene, Oval, Translucent

7.4 x 6.5 mm

$ 8.57

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1.56ct Multicolor Opal, Oval, Opaque

10 x 7 mm (calibrated)

$ 46.61

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1.34ct Brown Sillimanite Cat'S Eye, Oval, Transparent

7.5 x 4.7 mm

$ 4.00

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1.55ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 35.67

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1.81ct Multicolor Tourmaline, Cushion, VS

9.2 x 5.8 mm

$ 270.41

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1.90ct Orange Hessonite Garnet, Oval, VS

8.2 x 6.7 mm

$ 33.17

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1.70ct Green Tourmaline, Emerald Cut, VVS

18.9 x 3.4 mm

$ 40.98

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1.99ct Blue Topaz, Emerald Cut, VVS-VS

8 x 6 mm (calibrated)

$ 15.85

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1.09ct Multicolor Opal, Oval, Translucent

10 x 7 mm (calibrated)

$ 35.82

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1.55ct Multicolor Black Opal, Emerald Cut, Opaque

9.9 x 5.9 mm

$ 39.74

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1.79ct Pink Tourmaline, Round, Transparent

7 mm (calibrated)

$ 30.69

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1.73ct White Zircon, Round, VVS

7 mm (calibrated)

$ 51.70

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1.06ct Purple Rhodolite Garnet, Oval, VVS-VS

6.7 x 4.9 mm

$ 36.95

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1.29ct Blue Kyanite, Oval, VS-SI

7.2 x 5.2 mm

$ 28.27

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1.34ct Red Ruby, Oval, VS

7 x 5 mm (calibrated)

$ 93.42

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Why Buy 1-2 Ct Center Stones from GemSelect?

Natural Gemstones for a Balanced Center Stone

The 1–2 carat range is a popular choice for customers who want a gemstone with noticeable presence without moving into oversized proportions. These loose gems can work beautifully as the main stone in an engagement ring, cocktail ring, pendant or custom jewelry design, depending on the gem type, cut and setting style.

Because gemstones have different densities, carat weight does not translate to the same face-up size in every variety. A 1.50 ct sapphire, garnet, spinel, tourmaline or quartz may each look different in millimeter dimensions, even at the same weight. For the best fit, compare the listed length, width and depth as well as the carat weight.

Choosing Shape, Color and Cut

Center stones in this size range are available in many classic and modern shapes, including oval, round, cushion, pear, trillion, emerald cut and other faceted styles. Oval and cushion shapes often give a generous face-up look, while rounds offer symmetry and traditional appeal. Step cuts can emphasize clarity and calm flashes of light, while mixed and brilliant cuts can bring out sparkle and color.

Color is often the first feature shoppers notice. Rich blues, greens, pinks, reds, purples, yellows and neutral tones can all create a different jewelry mood. When comparing stones, consider the hue, tone and saturation alongside the overall cut and clarity, since all of these details affect the final appearance of the finished piece.

Natural loose gemstones suitable for 1–2 ct center stones

Fit for Rings and Custom Jewelry

A 1–2 ct gemstone can make a strong center point in a solitaire design, pair well with side stones, or sit inside a halo setting for extra visual impact. Before choosing a setting, share the gemstone’s exact measurements with your jeweler so the design can be made to fit the stone securely.

If the gemstone will be worn often, think about durability as well as beauty. Some gem varieties are better suited to everyday rings, while others may be ideal for pendants, earrings or occasional-wear pieces. Review each product page carefully for the stone’s measurements, shape, clarity notes and any listed treatment information.

How to Compare 1–2 ct Loose Gems

Start by deciding whether size, color, rarity, durability or budget is most important for your project. Then compare stones within the same general style, checking the face-up dimensions, depth, shape outline and overall color appeal. A slightly smaller gemstone with excellent color and pleasing proportions may be a better choice than a heavier stone that does not suit the design.

Loose gemstones give you flexibility because you can select the exact stone before a ring or pendant is built around it. This makes the 1–2 carat category especially useful for custom jewelry shoppers who want a distinctive natural center stone.

FAQs About 1–2 ct Center Stones

Is a 1–2 ct gemstone a good size for a center stone?

Yes. Many shoppers choose this range because it offers visible presence while still fitting a wide variety of ring and pendant designs. The final look depends on the gem variety, shape and millimeter dimensions.

Does every 1–2 ct gemstone look the same size?

No. Different gemstones have different densities, so two stones with the same carat weight may have different face-up sizes. Always compare the listed measurements in millimeters.

Which shapes work well for center stones?

Oval, round, cushion, pear, emerald cut and other symmetrical shapes are commonly used as center stones. The best choice depends on the setting style, finger coverage and the look you prefer.

What should I check before buying a loose center stone?

Review the carat weight, dimensions, shape, color, clarity and any product-specific notes. If the stone is intended for a ring, ask your jeweler to confirm that the dimensions are suitable for the planned setting.

Can colored gemstones be used instead of diamonds for center stones?

Yes. Natural colored gemstones are often chosen for unique center-stone jewelry because they offer a broad range of colors, shapes and styles. Consider durability and wear habits when selecting a gem for everyday use.

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

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

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 -> 10 star ratings

Very good.

Posted By Tommy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
Source: Bizrate

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 -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate
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