Exotic Brilliant cut Diamond mounted in Gold Ring

9.12 carats, E-color, VVS1 clarity, brilliant cut Diamond set in Gold Ring. Photo courtesy: Sothebys

Extemely Rare 33.03 carats Diamond Ring to be auctioned

33.03 carats, Internally Flawless, cushion shaped Diamond studded in Platinum Ring. Photo courtesy: Sothebys

Extemely Rare 38.88 carats Flawless Cushion Shaped Diamond

38.88 carats, D color, Flawless, cushion-shaped unmounted Diamond. Photo courtesy: Sothebys

Impressive Pair of Pink-Purple and White Diamonds Ear Pendants

2.12 and 1.96 carats Pink-Purple Diamonds set in beautiful pair of Diamond Ear Pendants. Photo courtesy: Christie's

11.60cts Oval Diamond Platinum Engagament Ring

11.60 carats D color oval shaped Diamond mounted in Platinum Ring. Photo courtesy: Christie's

43.36cts Yellow Diamond Engagement Ring

43.36 carats Yellow Diamond studded in Gold worth around $3 million. Photo courtesy: Christie's

Blue Sapphire Brooch made in Platinum

Designed as a Bouquet, Platinum Brooch studded with Sapphires and Diamonds. Photo courtesy: Sothebys

52carats Flawless Colorless Diamond in Emerald Cut

52.82 carats, D color, Flawless, Type IIa Emerald cut Diamond set in Platinum. Photo courtesy: Sothebys

Diamond Hoop Earrings

Diamond Hoop Earrings

Intricate Ring - 3 colors, 3 metals, 3 shapes, 1 ring

3.62 carats Green Diamond surrounded by Pink & White Diamonds in Platinum. Photo courtesy: Christie's

Fine Colombian Emerald Platinum Ring

Fine 12.01 carats Emerald, Diamond and Garnet Ring studded in Gold and Platinum ring. Photo courtesy: Sothebys

74.95cts Huge Yellow Diamond Pendant

74.95 carats Fancy Intense Yellow Diamond mounted in 18K Gold. Photo courtesy: Sothebys

Internally Flawless Intense Blue Diamond Platinum Ring

3.17 carats Fancy Intense Blue Diamond studded in Platinum Ring. Photo courtesy: Christie's

Stylish 10.71 carats Pear shaped Diamond Ring

10.71 carats Pear shaped Diamond embedded in 18K Rose Gold Ring. Photo courtesy: Christie's

Blue Diamond Heart Engagement Ring

5.01 carats Fancy Blue heart shaped Diamond mounted in 18K White Gold Ring. Photo courtesy: Christie's

Vivid Yellow Diamond Heart in Platinum Ring

12.16 carats Fancy Vivid Yellow Diamond mounted in Gold and Platinum Ring. Photo courtesy: Sothebys

Indian who created artificial life expired - Dr. HarGobind Khorana

Dr. Hargobind Khorana, Nobel Laureate in Medicine 1968 expired today, November 11, 2011. He made several discoveries & inventions during his lifetime, but he is most renowned for the synthesis of genes, the building blocks of life, the carriers of evolution, in a laboratory.

Here is an excerpt from his biography, courtesy : Nobel Foundation, Sweden

Multimillion Dollar Emerald and Diamonds Brooch/Pendant

68.90 carats Emerald and Diamonds embedded in Platinum Brooch. Photo courtesy: Christie's

Stunning 'Sweet Hearts' Diamond Ear Pendants

Pair of Sweet Hearts Earrings embedded in Rose Gold. Photo courtesy: Christie's

26.42cts. Kashmir Sapphire Brooch

Exceptional 26.42 carats Sapphire and Diamonds Brooch. Photo courtesy: Christie's

Blue Diamond & White Diamond Earrings

Amazing set of Ear-clips set with Blue and White Diamonds.

4.59cts Intense Pink Diamond Platinum Ring

4.59 carats Fancy Intense Pink Diamond mounded in Platinum Ring. Photo courtesy: Sothebys

Fancy Vivid Blue Diamond 5.16cts Platinum Ring

5.16 carats Fancy Vivid Blue Pear-shaped Diamond studded in Platinum Ring. Photo courtesy: Sothebys

Splendid 8.90cts. pear-shaped diamond ring

Splendid 8.90 carats pear-shaped Diamond set in Platinum Ring. Photo courtesy: Sothebys

Magnificent 7.86cts. Blue Sapphire Ring

7.86 carats Oval Sapphire and Diamonds Ring. Photo courtesy: Sothebys