Platinum has some characteristics that make it highly desirable for fine jewellery.
Platinum is a pure white metal. Jewellery made from platinum will not tarnish or change colour.
Platinum is the most precious metal in the world, making it high valuable and more expensive than gold.
Platinum’s most appealing characteristic is its durability. Unlike gold, platinum will not wear away or lose any metal when scratched. Platinum jewellery can be worn for many years with no signs of erosion.
Platinum is a strong metal. It weighs about 60% more than a carat of gold and is twice as tough. Platinum is a highly desirable metal for prongs in setting diamonds and coloured gemstones as its strength will hold the diamond in place.
It's white/silver sheen makes platinum an ideal metal for accentuating the brilliance of diamonds and colour in gemstones.
Platinum is an ideal metal for fine jewellery. It is a popular choice for engagement rings and wedding rings due to its lasting qualities. Its beautiful lustre enhances the sparkle of diamonds and it can be worn every day without causing any change in colour or erosion. Platinum jewellery will remain to look beautiful for many years and is suitable for passing on to future generations.
DIAMETER (mm) | AUSTRALIA | USA | EUROPE |
14.1 | F | 3 | 44 |
14.3 | F 1/2 | 45 | |
14.5 | G | 3 1/2 | |
14.7 | G 1/2 | 46 | |
14.9 | H | 4 | 47 |
15.1 | H 1/2 | ||
15.3 | I | 4 1/2 | 48 |
15.5 | I 1/2 | ||
15.7 | J | 5 | 59 |
15.9 | J 1/2 | 50 | |
16.1 | K | 5 1/2 | |
16.3 | K 1/2 | 51 | |
16.5 | L | 6 | 52 |
16.7 | L 1/2 | ||
16.9 | M | 6 1/2 | 53 |
17.1 | M 1/2 | ||
17.3 | N | 7 | 54 |
17.5 | N 1/2 | 55 | |
17.7 | O | 7 1/2 | |
17.9 | O 1/2 | 56 | |
18.1 | P | 8 | 57 |
18.3 | P 1/2 | ||
18.5 | Q | 8 1/2 | 58 |
18.7 | Q 1/2 | ||
18.9 | R | 9 | 59 |
19.1 | R 1/2 | 60 | |
19.3 | S | 9 1/2 | 61 |
19.5 | S 1/2 | ||
19.7 | T | 10 | 62 |
19.9 | T 1/2 | 63 | |
20.1 | U | 10 1/2 | |
20.3 | U 1/2 | 64 | |
20.5 | V | 11 | 65 |
20.7 | V 1/2 | ||
20.9 | W | 11 1/2 | 66 |
21.1 | W 1/2 | ||
21.3 | X | 12 | 67 |
21.5 | X 1/2 | ||
21.7 | Y | 12 1/2 | 68 |
21.9 | Y 1/2 | 69 | |
22.1 | Z | 13 | 70 |