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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
Pairs
Lots
Faceted
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1.52ct Violet Amethyst, Marquise, VS

12 x 5.8 mm

$ 9.99

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1.00ct Multicolor Black Opal, Square, Opaque

6.6 x 6.5 mm

$ 25.64

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1.74ct Red Ruby, Oval, VS-SI

8 x 6 mm (calibrated)

$ 155.97

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1.80ct Red Almandine Garnet, Marquise, VVS

12 x 6 mm (calibrated)

$ 67.23

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1.00ct Violet Amethyst, Marquise, VS

10 x 5 mm (calibrated)

$ 6.64

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1.69ct Orange Hessonite Garnet, Emerald Cut, VS-SI

7.7 x 5.3 mm

$ 25.13

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1.91ct Orange Moonstone, Cushion, Translucent

8 x 8 mm (calibrated)

$ 3.80

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1.60ct Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 3.19

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1.19ct Green Tourmaline, Emerald Cut, VVS-VS

15.9 x 2.9 mm

$ 31.29

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1.97ct Violet Amethyst, Heart, VVS

8 x 8 mm (calibrated)

$ 13.74

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1.70ct Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 3.39

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1.64ct Green Sphene, Oval, Transparent

6.7 x 6.2 mm

$ 8.17

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1.60ct Multicolor Black Opal, Oval, Opaque

9.7 x 7.5 mm

$ 41.02

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1.48ct Pink Tourmaline, Emerald Cut, VVS-VS

10 x 4.8 mm

$ 111.88

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1.91ct Blue Topaz, Emerald Cut, VVS

8 x 6 mm (calibrated)

$ 15.22

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1.88ct Orange Sapphire, Oval, VS-SI

7.8 x 6.8 mm

$ 624.16

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1.42ct Orange Hessonite Garnet, Square, VS

6.4 x 6.3 mm

$ 23.81

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1.84ct Brown Tiger'S Eye, Marquise, Opaque

10 x 5 mm (calibrated)

$ 2.38

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1.27ct Gray Sillimanite Cat'S Eye, Oval, Transparent

6.8 x 4.8 mm

$ 5.06

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1.26ct Yellow Citrine, Emerald Cut, VVS

12.1 x 4.1 mm

$ 10.04

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1.15ct Pink Morganite, Oval, VS

8 x 6 mm (calibrated)

$ 45.26

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1.78ct Orange Hessonite Garnet, Cushion, SI

7 x 7 mm (calibrated)

$ 29.93

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1.39ct Red Tourmaline, Oval, Transparent

7.2 x 5.5 mm

$ 23.82

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1.04ct Yellow Citrine, Cushion, VVS

8 x 6 mm (calibrated)

$ 7.77

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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 -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This was my first experience with this company. I had no difficulty finding the item I wanted, and checking out was a breeze! Ia'm hoping my item arrives quickly, intact, and of good quality. Overall, this was a very satisfactory experience.

Posted By Gem connoisseur in August, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

All good

Posted By Oliver in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good. I have made several purchases as a collector over the years, and have never been dissapointed in the selection, process, or delivery.

Posted By Schmoove in August, 2026
Source: Bizrate
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