800-201-3404
CONTACT US
SIGN IN / JOIN
25KARATS |
800-201-3404
CONTACT US
SIGN IN / JOIN
WISH LIST (
0
)
MY CART ( 0 )
25KARATS
|
1-800-201-3404
LIVE CHAT
CONTACT US
SIGN IN / JOIN
WISH LIST (
0
)
MY CART ( 0 )
LIFETIME WARRANTY
FREE SHIPPING
60-DAY RETURNS
Toggle navigation
0
0
WEDDING BANDS
More ...
WEDDING BANDS
Wedding Band Sets
Diamond Wedding Bands
Handmade
Celtic Rings
New Styles
Recently Purchased
Plain / Classic
Basic Designs
Fancy Designs
Religious
Square
Benchmark Rings
ENGAGEMENT RINGS
More ...
ENGAGEMENT RINGS
Moissanite Preset Engagement Rings
Solitaire
Rings With Sidestones
Halo Rings
Three Stone Rings
Bridal Sets
Antique Rings
Pave Rings
Magnifique Collection
Yellow Diamond Rings
Pre-Set Rings
Promise Rings
Recently Purchased
WOMEN'S
Anniversary Rings
Diamond Wedding Rings
Eternity Wedding Bands
Fashion & Right Hand Rings
Gemstone Rings
Yellow Diamond Earrings
Sara Blaine Collection
MEN'S
Diamond Rings
Diamond Wedding Bands
Wedding Bands
Benchmark Rings
Silver Rings
Ceramic Rings
Titanium Rings
Cobalt Chrome Rings
DIAMONDS
DIAMONDS
SEARCH FOR DIAMONDS
Natural, mined diamonds
SEARCH FOR LAB GROWN DIAMONDS
Lab created, cultured diamonds
JEWELRY
Gold Earrings/Pendants/Necklace
Sara Blaine Silver Jewelry
Diamond Stud Earrings
Halo Studs - Diamond/Sapphire
Yellow Diamond Earrings
Angel Wing Pendants
Search
Home
Education
Jewelry Glossary
Jewelry Glossary
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
index
Search
CALCIUM CARBONATE:
The main mineral component of a pearl's nacre, or outer layer. It is composed mostly of calcite and aragonite.
CONTACT US
CHAT
CALL
EMAIL
About Us
About Us
Why Shop With Us
Customer Testimonials
FAQ
Blog
Customer Service
Hours / Showroom / Contact Form
Shipping Policy
Return Policy
Lifetime Warranty
Layaway Plan
Education
Jewelry Education
Learn About Diamonds
Jewelry Glossary
Learn About Precious Metals
Ring Size Convertion Chart
SIGN UP FOR SPECIALS
receive instant coupon
