
Natural Certified Aventurine Gemstone
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Size Guide
United States | Canada | Mexico | United Kingdom | Ireland | Australia | South Africa | New Zealand | China | Japan | South Korea | South America | India | Italy | Spain | Switzerland |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | 0 | 0 | |||||||||||||
¼ | ¼ | ¼ | |||||||||||||
½ | ½ | ½ | A | A | A | A | A | ||||||||
¾ | ¾ | ¾ | A ½ | A ½ | A ½ | A ½ | A ½ | ||||||||
1 | 1 | 1 | B | B | B | B | B | 1 | 1 | 1 | 1 | ||||
1 ¼ | 1 ¼ | 1 ¼ | B ½ | B ½ | B ½ | B ½ | B ½ | ||||||||
1 ½ | 1 ½ | 1 ½ | C | C | C | C | C | 0.4 | 0.4 | 0.4 | |||||
1 ¾ | 1 ¾ | 1 ¾ | C ½ | C ½ | C ½ | C ½ | C ½ | 1 | 1 | 1 | 1 | ||||
2 | 2 | 2 | D | D | D | D | D | 2 | 2 | 2 | 2 | 2 | 1.7 | 1.7 | 1.7 |
2 ¼ | 2 ¼ | 2 ¼ | D ½ | D ½ | D ½ | D ½ | D ½ | 2.3 | 2.3 | 2.3 | |||||
2 ½ | 2 ½ | 2 ½ | E | E | E | E | E | 3 | 3 | 3 | 3 | 3 | 2.9 | 2.9 | 2.9 |
2 ¾ | 2 ¾ | 2 ¾ | E ½ | E ½ | E ½ | E ½ | E ½ | 4 | 3.6 | 3.6 | 3.6 | ||||
3 | 3 | 3 | F | F | F | F | F | 4 | 4 | 4 | 4 | 4.2 | 4.2 | 4.2 | |
3 ¼ | 3 ¼ | 3 ¼ | F ½ | F ½ | F ½ | F ½ | F ½ | 5 | 5 | 5 | 5 | 5 | 4.8 | 4.8 | 4.8 |
3 ½ | 3 ½ | 3 ½ | G | G | G | G | G | 5.5 | 5.5 | 5.5 | |||||
3 ¾ | 3 ¾ | 3 ¾ | G ½ | G ½ | G ½ | G ½ | G ½ | 6 | 6 | 6 | 6 | 6 | 6.1 | 6.1 | 6.1 |
4 | 4 | 4 | H | H | H | H | H | 7 | 7 | 7 | 7 | 6.8 | 6.8 | 6.8 | |
4 ¼ | 4 ¼ | 4 ¼ | H ½ | H ½ | H ½ | H ½ | H ½ | 7 | 7.4 | 7.4 | 7.4 | ||||
4 ½ | 4 ½ | 4 ½ | I | I | I | I | I | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
4 ¾ | 4 ¾ | 4 ¾ | J | J | J | J | J | 9 | 8.7 | 8.7 | 8.7 | ||||
5 | 5 | 5 | J ½ | J ½ | J ½ | J ½ | J ½ | 9 | 9 | 9 | 9 | 9.3 | 9.3 | 9.3 | |
5 ¼ | 5 ¼ | 5 ¼ | K | K | K | K | K | 10 | 10 | 10 | 10 | ||||
5 ½ | 5 ½ | 5 ½ | K ½ | K ½ | K ½ | K ½ | K ½ | 10 | 10 | 10 | 10 | 10.6 | 10.6 | 10.6 | |
5 ¾ | 5 ¾ | 5 ¾ | L | L | L | L | L | 11 | 11.2 | 11.2 | 11.2 | ||||
6 | 6 | 6 | L ½ | L ½ | L ½ | L ½ | L ½ | 11 | 11 | 11 | 11 | 12 | 11.9 | 11.9 | 11.9 |
6 ¼ | 6 ¼ | 6 ¼ | M | M | M | M | M | 12 | 12 | 12 | 12 | 12.5 | 12.5 | 12.5 | |
6 ½ | 6 ½ | 6 ½ | M ½ | M ½ | M ½ | M ½ | M ½ | 13 | 13 | 13 | 13 | 13 | 13.1 | 13.1 | 13.1 |
6 ¾ | 6 ¾ | 6 ¾ | N | N | N | N | N | 13.8 | 13.8 | 13.8 | |||||
7 | 7 | 7 | N ½ | N ½ | N ½ | N ½ | N ½ | 14 | 14 | 14 | 14 | 14 | 14.4 | 14.4 | 14.4 |
7 ¼ | 7 ¼ | 7 ¼ | O | O | O | O | O | 15 | 15.1 | 15.1 | 15.1 | ||||
7 ½ | 7 ½ | 7 ½ | O ½ | O ½ | O ½ | O ½ | O ½ | 15 | 15 | 15 | 15 | 15.7 | 15.7 | 15.7 | |
7 ¾ | 7 ¾ | 7 ¾ | P | P | P | P | P | 16 | 16.3 | 16.3 | 16.3 | ||||
8 | 8 | 8 | P ½ | P ½ | P ½ | P ½ | P ½ | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 |
8 ¼ | 8 ¼ | 8 ¼ | Q | Q | Q | Q | Q | 17.6 | 17.6 | 17.6 | |||||
8 ½ | 8 ½ | 8 ½ | Q ½ | Q ½ | Q ½ | Q ½ | Q ½ | 17 | 17 | 17 | 17 | 18 | 18.3 | 18.3 | 18.3 |
8 ¾ | 8 ¾ | 8 ¾ | R | R | R | R | R | 19 | 18.9 | 18.9 | 18.9 | ||||
9 | 9 | 9 | R ½ | R ½ | R ½ | R ½ | R ½ | 18 | 18 | 18 | 18 | 19.5 | 19.5 | 19.5 | |
9 ¼ | 9 ¼ | 9 ¼ | S | S | S | S | S | 20 | 20.2 | 20.2 | 20.2 | ||||
9 ½ | 9 ½ | 9 ½ | S ½ | S ½ | S ½ | S ½ | S ½ | 19 | 19 | 19 | 19 | 21 | 20.8 | 20.8 | 20.8 |
9 ¾ | 9 ¾ | 9 ¾ | T | T | T | T | T | 21.4 | 21.4 | 21.4 | |||||
10 | 10 | 10 | T ½ | T ½ | T ½ | T ½ | T ½ | 20 | 20 | 20 | 20 | 22 | 22.1 | 22.1 | 22.1 |
10 ¼ | 10 ¼ | 10 ¼ | U | U | U | U | U | 21 | 21 | 21 | 21 | 23 | 22.7 | 22.7 | 22.7 |
10 ½ | 10 ½ | 10 ½ | U ½ | U ½ | U ½ | U ½ | U ½ | 22 | 22 | 22 | 22 | 23.4 | 23.4 | 23.4 | |
10 ¾ | 10 ¾ | 10 ¾ | V | V | V | V | V | 24 | 24 | 24 | 24 | ||||
11 | 11 | 11 | V ½ | V ½ | V ½ | V ½ | V ½ | 23 | 23 | 23 | 23 | 25 | 24.6 | 24.6 | 24.6 |
11 ¼ | 11 ¼ | 11 ¼ | W | W | W | W | W | 25.3 | 25.3 | 25.3 | |||||
11 ½ | 11 ½ | 11 ½ | W ½ | W ½ | W ½ | W ½ | W ½ | 24 | 24 | 24 | 24 | 26 | 25.9 | 25.9 | 25.9 |
11 ¾ | 11 ¾ | 11 ¾ | X | X | X | X | X | 26.6 | 26.6 | 26.6 | |||||
12 | 12 | 12 | X ½ | X ½ | X ½ | X ½ | X ½ | 25 | 25 | 25 | 25 | 27 | 27.2 | 27.2 | 27.2 |
12 ¼ | 12 ¼ | 12 ¼ | Y | Y | Y | Y | Y | 28 | 27.8 | 27.8 | 27.8 | ||||
12 ½ | 12 ½ | 12 ½ | Z | Z | Z | Z | Z | 26 | 26 | 26 | 26 | 28.5 | 28.5 | 28.5 | |
12 ¾ | 12 ¾ | 12 ¾ | Z ½ | Z ½ | Z ½ | Z ½ | Z ½ | 29 | 29.1 | 29.1 | 29.1 | ||||
13 | 13 | 13 | 27 | 27 | 27 | 27 | 30 | 29.7 | 29.7 | 29.7 | |||||
13 ¼ | 13 ¼ | 13 ¼ | Z1 | Z1 | Z1 | Z1 | Z1 | 30.4 | 30.4 | 30.4 | |||||
13 ½ | 13 ½ | 13 ½ | 31 | 31 | 31 | 31 | |||||||||
13 ¾ | 13 ¾ | 13 ¾ | Z2 | Z2 | Z2 | Z2 | Z2 | 32 | 31.7 | 31.7 | 31.7 | ||||
14 | 14 | 14 | Z3 | Z3 | Z3 | Z3 | Z3 | 32.3 | 32.3 | 32.3 | |||||
14 ¼ | 14 ¼ | 14 ¼ | 33 | 32.9 | 32.9 | 32.9 | |||||||||
14 ½ | 14 ½ | 14 ½ | Z4 | Z4 | Z4 | Z4 | Z4 | 33.4 | 33.4 | 33.4 | |||||
14 ¾ | 14 ¾ | 14 ¾ | 34 | 34.2 | 34.2 | 34.2 | |||||||||
15 | 15 | 15 | 35 | 34.8 | 34.8 | 34.8 | |||||||||
15 ¼ | 15 ¼ | 15 ¼ | 35.5 | 35.5 | 35.5 | ||||||||||
15 ½ | 15 ½ | 15 ½ | 36 | 36.1 | 36.1 | 36.1 | |||||||||
15 ¾ | 15 ¾ | 15 ¾ | 36.8 | 36.8 | 36.8 |
Aventurine is a sparkly gemstone known for its metallic schillerization effect, which gives it a glittering appearance. Some key characteristics include:
- Color: Typically green, but also comes in blue, red, or yellow
- Hardness: 6.5-7 on the Mohs scale, making it relatively durable
- Sources: Found in countries like India, Brazil, and Russia
- Symbolism: Believed to represent calmness, balance, and good fortune
Aventurine is prized for its sparkly appearance and is often used in jewelry to add a touch of whimsy and elegance. Its glittering effect makes each piece unique!