For engagement rings, bridal sets or anniversary rings high quality Colored Gemstones

and of course Round

The Mohs Scale

Source: Kingzett's Chemical Encyclopedia
The Mohs Scale is used to determine the hardness of solids, especially minerals. It is named after the German mineralogist Friedrich Mohs, developed in the early 19th century.
The scale reads as follows, with the hardness and mineral given from softest to hardest:

The Mohs Scale is structured where a material rated at a higher number, can scratch the substance with a lower number

Mohs Scale

Gemstones

10.0

Diamonds are rated the highest

9.25

Charles & Colvard Moissanite™

9.0

Opal, Ruby and Sapphire (Red Mexican Fire Opals are Mohs 5.0)

8.5

Alexandrite

8.0

Emerald, Aquamarine and Topaz

7.5

Blue Zircon, Iolite

7.0

Amethyst, Citrine, Garnet, Tanzanite, Peridot, Tourmalines and Quartz

6.5
and lower

Softer than a 7, more easily scratched/cracked including :
Coral 4.0, Jade 6.0, Pearl 3.0, Turquoise 5.0

	Refractive Index (Brilliance)	Dispersion (Fire)	Luster Index	Mohs Hardness	Toughness	Specific Gravity
Diamond	2.42	0.044	17.2%	10.0	Excellent/Good***	3.52
Moissanite™	2.65-2.69	0.104	20.4%	9.25	Excellent	3.21
Ruby	1.77	0.018	7.4%	9	Excellent	4.00
Sapphire	1.77	0.018	7.4%	9	Excellent	4.00
Emerald	1.58	0.014	4.8%	8	Good	2.72

*** Only in the cleavage direction can a diamond crack, otherwise excellent toughness Source: Charles & Colvard
Yes, if the impact is just right, in the right spot, you can crack a diamond . That is how "diamond cutters" cut diamonds.

Alexandrite	Emerald	Peridot
Alexandrite is rated “excellent” for everyday wear. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.	Emerald is rated “fair to good” for everyday wear with care. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.	Peridot is rated “fair” for everyday wear with care. Avoid exposure to heat and sudden changes in temperature. Avoid contact with chemicals. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.
Amethyst	Garnet	Quartz, Smoky
Amethyst is rated “good” for everyday wear. Avoid direct sunlight and exposure to heat which may cause color to fade. Avoid contact with chemicals. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.	Garnet is rated “good” for everyday wear. Avoid exposure to heat and sudden changes in temperature. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.	Smoky Quartz is rated “good” for everyday wear. Avoid direct sunlight and exposure to heat which may cause color to fade. Avoid contact with chemicals. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.

Ametrine	Iolite	Ruby
Ametrine is rated “good” for everyday wear. Avoid direct sunlight and exposure to heat which may cause color to fade. Avoid contact with chemicals. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.	Iolite is rated “fair” for everyday wear with care. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.	Rubies are rated “excellent” for everyday wear. Avoid exposure to heat and contact with chemicals. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.

Aquamarine	Jade - Nephrite	Sapphire
Aquamarine is rated “good” for everyday wear. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.	Jade is rated “fair” for everyday wear with care. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.	Sapphires are rated “excellent” for everyday wear. Avoid exposure to heat and contact with chemicals. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.

Bloodstone	Lapis	Tanzanite
Bloodstone is rated “fair” for everyday wear. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.	Lapis is rated “fair” for everyday wear with care. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.	Tanzanite is not for everyday wear, and one should take care when wearing. Avoid exposure to heat and sudden changes in temperature. Avoid contact with chemicals. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.

Cameo	Marcasite	Tiger's Eye
Cameos are quite fragile and are not for everyday wear and special care should be taken wearing. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, wipe gently with a moist cloth.	Marcasite is rated “fair” for everyday wear with care. Avoid exposure to heat and protect from scratches and harsh blows. Typically, the surface will oxidize over time. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.	Tiger’s Eye is rated “good” for everyday wear. Avoid exposure to heat and sudden changes in temperature. Avoid contact with chemicals. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.

Carnelian	Moonstone	Topaz, Precious
Carnelian is rated “fair” for everyday wear. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.	Moonstone is rated “good” for everyday wear. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.	Precious Topaz is rated “good” for everyday wear. Avoid direct sunlight and exposure to heat which may cause color to fade. Avoid contact with chemicals. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.

Chalcedony - Blue and Lavender	Onyx	Topaz, Blue and White
Chalcedony is rated “fair” for everyday wear. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.	Onyx is rated “fair” for everyday wear. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.	Blue and White Topaz is rated “fair to good” for everyday wear with care. Avoid direct sunlight and exposure to heat which may cause color to fade. Avoid contact with chemicals. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.

Chrysoprase	Opal	Topaz, Diffused
Chrysoprase is rated “fair” for everyday wear. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.	Take care when wearing Opal. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.	Diffused Topaz is rated “good” for everyday wear. Avoid contact with chemicals. Re-cutting is not recommended. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.

Citrine	Opal, Mexican Fire	Tourmaline
Citrine is rated “good” for everyday wear. Avoid direct sunlight and exposure to heat which may cause color to fade. Avoid contact with chemicals. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water, or clean in an at-home ultrasonic unit.	Take care when wearing Fire Opal. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.	Tourmaline is rated “fair to good” for everyday wear with care. Avoid exposure to heat and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.

Coral	Pearl	Turquoise
Coral is not for everyday wear, and one should take care when wearing. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, wipe gently with a moist cloth.	Pearls are not for everyday wear, and one should take care when wearing. Avoid exposure to heat and protect from scratches and harsh blows. Avoid contact with chemicals, especially perfumes, perspiration and hair sprays. To clean, wipe gently with a moist cloth.	Turquoise is rated “fair” for everyday wear with care. Avoid exposure to heat, contact with chemicals, and protect from scratches and harsh blows. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.

	Zircon, Blue
.	Blue Zircon is rated “fair” for everyday wear with care. Avoid direct sunlight and exposure to heat which may cause color to fade. To clean, gently scrub with a soft toothbrush and a solution of mild dish soap and warm water.	.

Our Diamond Cut high "AA" quality Gemstones are "Matched" for your Band or Ring.
Note: Your price per sapphire comes down as the number of sapphires in each band increases.
Sapphire Diameter	Carat Weight per Sapphire	Minimum Width of your ComfortFit Band	Number of Sapphires to add to your item/ Price per Gemstone				Click on the corresponding button below to go to the selection page for 1 to 12 Sapphires for your Band or Ring
Sapphire Diameter	Carat Weight per Sapphire	Minimum Width of your ComfortFit Band	1 to 2	3 to 5	6 to 7	8 to 12

1.0mm	0.005	3.0mm	$68	$62	$58	$54
1.5mm	0.015	3.0mm	$75	$73	$67	$54
1.75mm	0.025	3.0mm	$79	$75	$68	$55
2.0mm	0.04	3.0mm	$85	$82	$70	$55
2.25mm	0.05	3.0mm	$90	$85	$83	$65
2.5mm	0.07	4.0mm	$110	$95	$88	$75
2.75mm	0.10	4.0mm Heavy*	$173	$168	$142	$100
3.0mm	0.12	4.0mm Heavy*	$175	$135	$130	$105
3.25mm	0.16	6.0mm Heavy*	$218	$155	$140	$130
3.5mm	0.21	6.0mm Heavy*	$240	$170	$160	$140
3.75mm	0.24	6.0mm Heavy*	$280	$215	$205	$190
4.0mm	0.32	6.0mm Heavy*	$300	$280	$270	$230

If you like one of our engagement rings, bridal sets or anniversary rings, but do not want a center diamond, then we have some options for you...If you want to substitute, on your mounting, where small additional diamonds are usually placed, then we have some options for you.	Click here to take a look at what we cab do An example of a Customer choosing to substitute four striking sapphire birthstones in their engagement ring in place of the small four round diamonds that are usually used.

In short, you have choices - we are not a "What you see is what you can only get jewelry source".

Due to requests from our Customers, we have added a line of beautiful gemstones which are available for the over 3,500 engagement rings, bridal sets or anniversary rings we offer. Whether it be as the center gem of your mounting, or as a substitution for the smaller additional diamonds, we can craft that special ring for you.

Round Diamond Cut "AA" Gemstones FlushSet in your Band or Ring
Your Choice of
Alexandrite, Amethyst, Aquamarine, Citrine, Emerald, Garnet, Peridot, Ruby, Sapphire Blue, Sapphire-Pink, Sapphire-White, Tanzanite, Topaz-Gold, Topaz-Swiss Blue, Tourmaline Green, Blue Zircon