Tungsten Carbide is referred to as the engagement band that is permanently polished. Tungsten carbide is the most durable ring anybody can purchase. Tungsten and Carbide powders are forged together to form rings that are indestructible and scratch proof. Then they are polished with a diamond compound, resulting in a polish and shine that will last forever. Tungsten is the perfect combination of unbelievable strength with style and comfort. Tungsten carbide is 10 times harder than 18k gold and four times harder than titanium.

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Zirconia Ceramic Ring Composition: Zirconia ceramic powder and cementing agents

Mixing Zirconia ceramic powder and appropriate amount of cementing agents creates beautiful ceramic rings. Ceramic particles injected into sealed moulds and then condensed through high temperature sintering creates the core ceramic ring. Treatment after sintering and then processed into finished product through the laser cutting and other high precision machinery. Ceramic rings are very hard and don't scratch as easily. The ceramic ring is a lot like Tungsten Carbide ring in that it is scratch resistant against most materials, however the ceramic ring will crack and smash if heavily abused. Ceramic rings come in many colors including black, white, rose & orange.

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CP Grade Titanium Composition: Commercially Pure Titanium T1 & T2

Titanium is a grey metallic element used for its strength and lightweight properties. Titanium has strength and durability and has an incredible resistance to corrosion. Titanium has replaced stainless steel, copper alloy, and other metals for its abundance and price. Titanium has the highest strength to weight ratio of any known element. With jewelry, titanium’s light weight translates into comfort. Titanium being inert exhibits exceptional resistance to a broad range of corrosive attacks by saltwater, gases, acids and alkalis or any body chemistry. Titanium is immune to microbiologically influenced corrosion and is physiologically inert. Forever Metals commercially pure (CP) titanium is 100% hypoallergenic and allergy free and will not produce skin irritation or discoloration. Titanium is virtually non-magnetic, making it ideal for applications where electromagnetic interference must be minimized. Pure titanium is about as strong as steel yet nearly half the weight. Titanium’s outstanding strength-to-lightweight ratio and its incredible resistance to most forms of corrosion have been the primary historical incentives for utilizing titanium in the industry, replacing stainless steels, copper alloys and other metals. Titanium is the perfect marriage of art and science.

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Stainless Steel Composition: 316L: 0Cr14Ni9Mo2

Forever Metals stainless steel rings are made for their durability, their workmanship, and their unique look. If your interested in a Tungsten ring without the carbide composition, then a stainless steel ring has the characteristics you are looking for. Forever Metals has crafted their stainless steel rings with 316 hypoallergenic surgical grade stainless steel. The unique look will not hold up as well as Tungsten Carbide or will not have the light weight to hardness ratio that titanium has, however stainless steel does have a unique look that will last Forever. For the cost, a stainless steel ring may be a practical choice. Perhaps not necessary a wedding band, but a graduation or a groomsman gift would be suitable for this type of ring, which will last a lifetime. Check out some of the unique shapes and cuts.

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Platinum 900 Composition: 90% platinum and 10% iridium

Platinum, gold and silver sacrifice style and function to reduce weight and costs. Platinum is a very stylish metal that is harder then gold making it for many a symbol of enduring love. Platinum is not mixed with the lesser metals then that of gold, so therefore platinum is safer for those with allergies. Platinum is the most valuable alloy even more so then gold because it is more rare, harder, and more resistant then other alloys. Like gold, platinum does not corrode or tarnish. Platinum is most often mixed with other alloys in order to create jewelry. The most commonly used alloys for platinum are palladium, rhodium and iridium.

Gold Composition: White Gold, Yellow Gold and Rose Gold

18kt yellow gold - 75% gold + 12.5% silver + 12.5% copper
18kt white gold - 75% gold + 5% copper + 15% nickel + 5% zinc
18kt rose gold - 75% gold + 5% silver + 20% copper

18 karat White Gold - A hot trend because it coordinates
with both silver and platinum jewelry, yet is cheaper than platinum.

18 karat Yellow gold - The most traditional of metals; for many gold is a symbol of the
warmth and love of a marriage. Look at the mark inside the band to see what quality
the gold is - usually 14k, 18k, or 24k. While 24k is the most pure, it is also the softest.

Gold Karat refers to the purity of the gold. 24 karat gold is 100% pure, 18 karat gold is 75% pure gold. 24 karat gold is too soft for inlaying and tension setting into jewelry, so therefore Forever Metals must alloy silver, nickel, copper, and zinc into our gold to harden the gold to make it the perfect combination of beauty and hardness. 18 karat gold is what is used in all our jewelry which is a harder substance hence preventing surface scratches as seen in other pure gold jewelry. Yellow, white and rose 18 karat gold colors are created by using different alloy measurements.

Sterling Silver Composition: 92.5% silver and 7.5% copper alloy

Pure 100% silver looks bright white and is extremely soft. To enhance its beauty and durability, the vast majority of fine silver jewelry is made of sterling silver, which is composed of 92.5% silver and 7.5% copper alloy.

Mohs Precious Gemstone Hardness

Delivered stones may be used for customization. Gemstones may be set in just about any Forever Metals tungsten ring, however we recommend setting the smallest 1mm stones in at least 4mm width rings or greater. Most of our rings specify a round cut, 1mm, 1.5mm or 2mm in diameter. Stones must be 4mm in width or less and must be accompanied with bezels. Bezels come in all different shapes and metals such as stainless steel, gold or silver. Forever Metals uses silver bezels with synthetic cubic zirconia because this is what works best.

Stones must have a unique hardness to be burnished into the tungsten. Forever Metals is not responsible for loss or stolen packages, customers assume all responsibilities when delivering packages. Forever Metals will set any gemstone, however we don't guarantee the gemstone from cracks & chips when burnishing your gemstone. Burnishing weak and fragile gemstones could result in a cracked stone. Make sure that your gemstone is a hard gemstone on Mohs hardness scale and purchase high quality diamonds from reputable dealers. Most second hand dealers, even the large companies, skew their certifications and classifications slightly (especially on the internet) to earn your business.

Gemstones offer unique array of vibrant colors for a long lasting wedding ring. Their rarity, durability and hardness make them very desirable and valuable. While softer stones can be beautiful, they aren't the best choice for a tungsten, titanium, or ceramic jewelry. Hard metal rings require hard gems due to there settings (burnished or tension set). The Mohs scale registers a stone's ability to resist abrasion; 10 (diamonds) being the strongest and 1 (talc) being the weakest. Anything less than a Mohs scale 7 is not adequate for our tension and burnish setting processes. Generally speaking, the purest and most vivid color gems can be the most expensive. Forever Metals recommends limiting your selections to rubies, sapphires and diamonds.

Genuine natural gems and their Mohs hardness measurements
10.0	Diamond	7.25	Garnet
9.50	Moissanite	7.25	Tourmaline
9.00	Ruby	7.00	Amethyst
9.00	Sapphire	7.00	Citrine
8.50	Cubic Zirconia	7.00	Smoky Quartz
8.00	White Topaz	7.00	Black Onyx
8.00	Blue Topaz	6.75	Peridot
7.75	Emerald	6.50	Tanzanite
7.75	Aquamarine	6.00	Opal
Unnatural or Uncommon Gem colors
8.50	Alexandrite	10.0	Black Diamond
9.00	Blue Sapphire	10.0	Blue Diamond
7.75	Green Emerald	10.0	Brown Diamond
9.00	Pink Sapphire	10.0	Champagne Diamond
9.00	Red Ruby	10.0	Cognac Diamond