About us
Learn About Gems
Why Collect Gemstones?
How To Collect Gems for Fun and Profit
The Most Widely Traded Gemstones
How Gemstones and Diamonds are Graded
Understanding the AGL Prestige Gemstone Report
Understanding the AGL Colored Stone Grading Report
Understanding the GIA Diamond Grading Report
Gemstone Price Trends
Gemstone Price Indices
Gemstone Books
Precious Gems For Sale
Alexandrite - Brazilian
1.10 Brazil Alexandrite No Treatment
Demantoid - Russian
1.39 Russian Demantoid No Treatment
Diamonds-colored
0.12 Natural Fancy Intense Green
0.17 Natural Fancy Gray-Blue Diamond
0.22 Natural Fancy Vivid Purplish Pink Diamond
0.55 Natural Fancy Green-Yellow Diamond
1.35 Natural Fancy Deep Orangy Brown Diamond
2.13 Fancy Vivid Yellow Diamond
Emerald - Colombian
4.19 Colombian Emerald
Garnet - Color Change
7.76 Oval "Color Change" Madagascar Garnet
Morganite
12.94 Oval Morganite
Ruby - Burma and Madagascar
1.33 "Classic" Mogok Unheated Burma Ruby
1.63 "Classic" Mogok Unheated Burma Ruby
2.01 Cushion Unheated Madagascar Ruby
2.02 "Classic" Mogok UnHeated Burma Ruby
2.08 Cushion Unheated Burma Ruby
2.14 "Classic" Mogok Unheated Burma Ruby
3.01 "Classic" Mogok Unheated Burma Ruby
3.21 Oval Star "Classic" Mogok Burma Ruby
Sapphire - Pink and Multi-Color
1.50 Round "Classic" Unheated Mogok Burma Pink Sapphire
8.05 Fancy Multi-Color No Heat Burma Sapphire Parcel
Sapphire - Burma Yellow
7.67 Oval Unheated Yellow Burma Sapphire
11.39 Unheated Burma Yellow Sapphire
Sapphire - Burma and Ceylon Blue
1.04 Cushion Unheated Burma Sapphire
1.19 Oval Unheated "Classic Burma" Sapphire
1.22 Cushion Unheated Burma Sapphire
2.39 Oval "Classic" Mogok Unheated Burma Sapphire
3.05 Cushion Unheated Burma Sapphire
3.19 Oval Unheated Burma Sapphire
7.21 Cushion Ceylon No Heat Sapphire
7.71 Oval Burma No Heat Sapphire
9.59 Oval Unheated "Classic" Mogok Burma Sapphire
10.40 Oval Star Burma Sapphire
Spinel - Burma and Ceylon
2.01 No Enhancement Oval Pink-Red Burma Spinel
3.05 No Enhancement Vivid Red Oval Spinel
3.07 Oval No Enhancement Vivid Red Burma Spinel
3.42 No Enhancement Gem Red Square Antique Spinel
3.95 No Enhancement Red Pink Burma Spinel
10.96 No Enhancement Oval Ceylon "Color Change" Blue to Purple Spinel
NGC Blog
Newsletter
Contact Us
About us
Learn About Gems
Why Collect Gemstones?
How To Collect Gems for Fun and Profit
The Most Widely Traded Gemstones
How Gemstones and Diamonds are Graded
Understanding the AGL Prestige Gemstone Report
Understanding the AGL Colored Stone Grading Report
Understanding the GIA Diamond Grading Report
Gemstone Price Trends
Gemstone Price Indices
Gemstone Books
Precious Gems For Sale
Alexandrite - Brazilian
1.10 Brazil Alexandrite No Treatment
Demantoid - Russian
1.39 Russian Demantoid No Treatment
Diamonds-colored
0.12 Natural Fancy Intense Green
0.17 Natural Fancy Gray-Blue Diamond
0.22 Natural Fancy Vivid Purplish Pink Diamond
0.55 Natural Fancy Green-Yellow Diamond
1.35 Natural Fancy Deep Orangy Brown Diamond
2.13 Fancy Vivid Yellow Diamond
Emerald - Colombian
4.19 Colombian Emerald
Garnet - Color Change
7.76 Oval "Color Change" Madagascar Garnet
Morganite
12.94 Oval Morganite
Ruby - Burma and Madagascar
1.33 "Classic" Mogok Unheated Burma Ruby
1.63 "Classic" Mogok Unheated Burma Ruby
2.01 Cushion Unheated Madagascar Ruby
2.02 "Classic" Mogok UnHeated Burma Ruby
2.08 Cushion Unheated Burma Ruby
2.14 "Classic" Mogok Unheated Burma Ruby
3.01 "Classic" Mogok Unheated Burma Ruby
3.21 Oval Star "Classic" Mogok Burma Ruby
Sapphire - Pink and Multi-Color
1.50 Round "Classic" Unheated Mogok Burma Pink Sapphire
8.05 Fancy Multi-Color No Heat Burma Sapphire Parcel
Sapphire - Burma Yellow
7.67 Oval Unheated Yellow Burma Sapphire
11.39 Unheated Burma Yellow Sapphire
Sapphire - Burma and Ceylon Blue
1.04 Cushion Unheated Burma Sapphire
1.19 Oval Unheated "Classic Burma" Sapphire
1.22 Cushion Unheated Burma Sapphire
2.39 Oval "Classic" Mogok Unheated Burma Sapphire
3.05 Cushion Unheated Burma Sapphire
3.19 Oval Unheated Burma Sapphire
7.21 Cushion Ceylon No Heat Sapphire
7.71 Oval Burma No Heat Sapphire
9.59 Oval Unheated "Classic" Mogok Burma Sapphire
10.40 Oval Star Burma Sapphire
Spinel - Burma and Ceylon
2.01 No Enhancement Oval Pink-Red Burma Spinel
3.05 No Enhancement Vivid Red Oval Spinel
3.07 Oval No Enhancement Vivid Red Burma Spinel
3.42 No Enhancement Gem Red Square Antique Spinel
3.95 No Enhancement Red Pink Burma Spinel
10.96 No Enhancement Oval Ceylon "Color Change" Blue to Purple Spinel
NGC Blog
Newsletter
Contact Us
NGC Blog
Latest International Gem News for Collectors and Investors
Home
NGC Blog
5.03 Brazilian Blue Paraiba fails to sell at Sotheby's Important Jewelry Auction, September, 2023
Nov 1, 2023, 11:34 AM
ParaĆba tourmaline weighing 6.12 carats sells for over $194,000
Feb 8, 2023, 10:29 AM
Sotheby's Hong Kong February 7, 2023. Gem hurt by clarity.
Search
Tags
Ruby
Gemshow
Tucson
News
Trends
China
Hancock
Victoria's Secret
Auction
Gem Scams
Gem News
Cap Beesley
Burma
Robberies
Collecting Gems
Gem Reports
Red Diamond
Diamond
Gem Heists
Movies
Gem Markets
Boiler Rooms
Colored Diamond
Kashmir
Colombian Emeralds
Investing
Aquamarine
Blue Diamonds
Privacy
AGL
Embargo
Book Review
Economics
Tourmaline
GIA
AGTA
Internatonal Market
Burma Ban
Emerald
Grading
Moonstone
Spinel
Andesine
Diaspore
Tanzanite
Padparadscha
Sapphire
Yellow Diamonds
Alexandrite
Orange Diamonds
Green Diamonds
Demantoid
Orange Garnet
Garnets
Jadeite
Tsavorite
Terrorism
Beryl
Moissanite
Mining
Brazilian Alexandrite
Russian Demantoid
Security
India
Yoga
Coronavirus
Pandemic
sa
Morganite
Covid
Africa
Meteorites
Burma Ruby
Sothebys
Pigeon Blood
2.5 Color
Pink Diamonds
Purple Pink Diamond Flawless GIA
Vivid
Kashmir Sapphire
Christie's
Survey
Burma Sapphire
Tiffany's
Antique Roadshow
Burma Spinel
diamond teeth
grills
mouth jewelry
Big Gems
Bonhams Auction
Platinium
"Classic" Mogok
Gem Red
Pink Sapphire
Electric Magenta
Hot Pink
dayglow
electric red
Unenhanced
Red
Pink
Unheated
No Heat
Sotheby's Auction
Netflix
Cryptocurrency
investment gemstones
gem book
Argyle
Green Vault
inflation
Science
amethyst
Ceylon Sapphire
"Classic" Mogok Burma Ruby
Madagascar Ruby
Burma Red
Star Ruby
Price Indices
Skull
Electric Blue
African Spinel
Auction Houses
Christies
Bonhams
Parcel
No Treatment
Heritage auction
Paraiba
viv
Mozambique Ruby
Rubies
Gemstone News
Classic Mogok Burma Sapphire
Gem Blue
AGL Burma blue
Megan Fox
Black Diamond
No Clarity Enhancement
Color Change
Bogota
Colombia
Colombian Mines
Gemstone Prices
Ruby Prices
Sapphire Prices
Madagascar Color Change Garnet
Electric Pink
Minerals
gemstones
Archives
All
May 2024
April 2024
November 2023
April 2023
February 2023
November 2022
September 2022
July 2022
May 2022
April 2022
March 2022
November 2021
October 2021
August 2021
July 2021
June 2021
May 2021
April 2021
February 2021
January 2021
December 2020
November 2020
October 2020
September 2020
January 2019