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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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1.73ct Red Ruby, Pear Shape, VS-SI

8.4 x 7.2 mm

$ 1,167.76

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1.24ct Yellow Sapphire, Round, VVS

5.7 mm

$ 244.53

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1.12ct Red Ruby, Oval, SI

6.6 x 5.5 mm

$ 685.13

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1.57ct Orange Hessonite Garnet, Emerald Cut, VS

6.3 x 6.3 mm

$ 30.97

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1.29ct Yellow Chrysoberyl, Pear Shape, VS

8 x 6 mm (calibrated)

$ 150.34

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1.10ct Green Tsavorite Garnet, Oval, VS-SI

7.4 x 5.5 mm

$ 438.24

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1.96ct Brown Tiger'S Eye, Marquise, Opaque

12 x 6 mm (calibrated)

$ 2.54

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1.42ct Violet Sapphire, Pear Shape, VS

8.8 x 6.3 mm

$ 748.84

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1.67ct Brown Diamond, Round, SI

7.5 mm (calibrated)

$ 3,603.86

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1.80ct Red Ruby, Marquise, VS-SI

11.6 x 5.4 mm

$ 1,215.01

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1.84ct Multicolor Opal, Marquise, Transparent

13.8 x 6.7 mm

$ 64.14

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1.77ct Brown Color-Change Garnet, Pear Shape, VS-SI

10.5 x 6 mm

$ 158.66

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1.61ct Purple Spinel, Pear Shape, VS

9.3 x 6.3 mm

$ 113.63

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1.31ct Green Tsavorite Garnet, Pear Shape, SI

7.6 x 6.1 mm

$ 974.53

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1.19ct Pink Malaya Garnet, Round, VS

6 mm (calibrated)

$ 55.42

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1.17ct Purple Spinel, Pear Shape, VS-SI

7.5 x 5.9 mm

$ 134.60

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1.46ct Purple Spinel, Cushion, VS

6.3 x 6 mm

$ 111.97

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1.59ct Purple Sapphire, Cushion, VS

7.8 x 5.3 mm

$ 838.49

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1.32ct Brown Diamond, Pear Shape, SI

8.3 x 5.4 mm

$ 2,569.29

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1.27ct Yellow Color-Change Diaspore, Emerald Cut, SI

12.1 x 3.9 mm

$ 68.28

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1.41ct Red Ruby, Oval, VS-SI

6.7 x 5.6 mm

$ 862.54

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1.05ct Violet Spinel, Pear Shape, VS

7.4 x 5.8 mm

$ 175.13

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1.26ct Red Ruby, Oval, SI

7.2 x 5.2 mm

$ 770.78

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1.82ct Red Ruby, Marquise, SI

10.5 x 5.3 mm

$ 1,395.79

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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

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026
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 -> 10 star ratings

The process was pleasant, I chose to purchase the stone traditional to the month of March as it is the month in which I was born.

Posted By Maharishi in June, 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
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