14k white gold ring 1.05 ct diamond 10 pt

White, originally uploaded by Somma.

14kt white gold ring set with one 1.05 ct diamond and 6 of 10 pt diamonds

Oval Pink Sapphire Diamond Pendant

Oval Pink Sapphire and Pave Diamond Pendant in 14k White Gold (6x4 mm) , originally uploaded by stoneangara.

Sleek and attractive. Crafted in 14k white gold this pendant features a prong-set pink sapphire accompanied by perfectly matched diamond accents adorning the bale

14k White Gold Ruby Ring Diamond 1 ct

14k White Gold Ruby Ring with Diamond Accents (1 ct. tw.) , originally uploaded by stoneangara.

If her style is simple and elegant, be sure she'll adore this ring. Luster of the prong set round ruby (1.00 ct. tw.) is complimented by the brilliance of full cut round diamonds (0.06 ct. tw.). With its modern elegance and striking simplicity, the ring is perfect for daily wear

14k White Gold Tanzanite Diamond Ring 3/5 ct

14k White Gold Tanzanite and Diamond Ring (3/5 ct. tw.) , originally uploaded by stoneangara.

A contemporary design, the 18k white gold ring showcases a lovely violet tanzanite (0.60 ct. tw.) flanked by 2 round brilliant diamonds (0.02 ct. tw.). The prong-set tanzanite comes alive with color and luster at the play of light. Perfect for a woman who prefers chic simplicity

Fancy 18K Gold Three-stone Diamond Ring

DIAMOND - Fancy 18K Gold Three-stone Diamond Ring, originally uploaded by ythacz_23.

14K Two Tone Gold Diamond Mens Ring

14K Two Tone Gold Diamond Mens Ring , originally uploaded by sharon.reid02.

This 14K two tone gold ring features five high quality diamond set in a channel.

Swarovski Crystal 22K gold Earrings

ABBIE - Swarovski Crystal and Gold Earrings, originally uploaded by Capitola Girl.

Iridescent Czech glass beads are accented with 14K gold plated beads and Swarovski crystal. The chain and eye pins are made from gold tone metal and dangle from 22K gold plated earring hooks

22k gold Jewelry Karachi, Pakistan

001-Gold Jewelry Series-(16 from 000 to 015)-with permission of MUSHTAQ JEWELERS-(copy right), Karachi, Pakistan, originally uploaded by kauonetwo.

Collection of Antique and Modern Jewelry Photographed for Flickr Forums.
The Necklace, Bracelets, Earrings, Rings and what not, all are of 22k gold, fitted with Precious and Semi Precious Stones. All Jewelry is hand made by the descendants of century old Goldsmith families.

Birthstones (abridged) - Reference: en.wikipedia.org/wiki/Birthstone
In 1912 the American national association of jewelers, Jewelers of America, officially adopted the following list; it is currently the most widely used list in the United States and many other places, including Australia (a jeweler's 'modern' list states they are selected for bright colors) and Thailand; some alternatives are added:

[January: garnet], [February: amethyst], [March: aquamarine or bloodstone], [April: diamond], [May: emerald], [June: pearl-(non-gem) or moonstone or alexandrite], [July: ruby], [August: peridot or sardonyx or sapphire], [September: sapphire], [October: tourmaline or opal], [November: yellow topaz or citrine],
[December: zircon, turquoise or lapis lazuli or blue topaz; Tanzanite was added to December by the American Gem Trade Association in 2002]

The birthstone seems to originate from Biblical times. The Breastplate of Aaron, referred to in Exodus 39:10-14:

Smoky Quartz Hessonite Garnet Necklace

Smoky Quartz Briolette and Hessonite Garnet Cluster Necklace, originally uploaded by julredesigns.

Deep, dark faceted Smoky Quartz briolettes are surrounded by ombre shades of Hessonite Garnet and Tigereye rondelles, each individually handwrapped on 24K Gold Vermeil ball headpins. The clusters are joined together with 14K Gold Filled rolo chain and finished with a 24K Gold Vermeil toggle clasp.