Angles for R.I. = 1.62 $1,349.00. This one has a couple long, thin inclusions running parallel to the length, just below the table. Welcome to the Gemology Online Faceting Diagram database! 7.1m members in the interestingasfuck community. Emerald Cut. There are some minor inclusions not noticeable in hand. : aquamarine-508 Outstanding American cutting makes this aqua extra bright and brilliant. Parfois appelée « l'anguille de mer », cette espèce à la chair ferme et goûteuse est aussi réputée pour son prix très accessible. Our moonstone buying guide can help you pick one perfect for…, Some household products and do-it-yourself methods can clean jewelry safely and save you money. 4.48 ct. . B - 2.60ct Opposed Bar Cut Blue Tourmaline , U.S. Cut (kybrimp-97-01) $1,300: C - 3.40ct Emerald Cut Green Blue Tourmaline , U.S. Cut (norgem-98b-c3) $2,550: 2.86ct Elongated Emerald Cut Green Blue Tourmline Depending on the lights, the angle at which this tourmaline is viewed from or even the angle at which the stone is tilted, one gets a number of different colors from this gemstone. Refer to the table below for detailed information about this gemstone. From shop DanLeslieEstateGems. See what’s inside…. This is a luscious green; the green of Cleopatra's emeralds. Read our satisfaction guarantee. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Learn everything you need to know to buy your perfect gem, from hardness and durability to color connoisseurship.…, Tourmalines are a large mineral group with a variety of chemical compositions. Discover the common ingredients in some miracle…. or Best Offer. 2021 Read more in our demantoid garnet buying…, Aquamarines are evaluated based on the Four Cs: color, clarity, cut, and carat. Ready to learn how to identify gems on your own? 17 facets + 8 facets on girdle = 25 This beautiful gem is far from normal. Order gemstones, loose gemstones, gemstone rings and gemstone engagement rings like this Medium Sea Foam Tourmaline - Opposed Bar Cut, Emerald Cut, 10.3 x 9 mm, 5.71 carats . Description: A pure blue Nigerian indicolite tourmaline cut in an unusual bar/step cut. Description: A stunning blood red Oregon sunstone. Copyright 1999 Learn what techniques may reduce the odds of fracturing and how to spot problem rough before…, Stunning green hues and a brilliance that outshines diamond combine to make demantoids truly captivating. More pictures. Terms of Use Blue/Green Tourmaline Opposed Bar Cut 18.36 carats (Sold) This 18.36-carat Blue/Green Tourmaline gemstone features the Opposed Bar cut. L/W = 1.500 T/W = 0.862 T/L = 0.575 Read more, The American Gem Trade Association (AGTA) defines codes for gemstone treatments and enhancements. They don’t interfere with the … P/W = 0.482 C/W = 0.212   |   document.write(theDate.getFullYear()) Learn what affects the price per carat of various gem species.…, With sheen reminiscent of moonlight, moonstone is treasured across civilizations. This lovely 18k yellow gold tourmaline pendant is accented with one (1) octagonal opposed bar cut natural tourmaline set into a four-prong head. I cut this stone in a design called 'Smith Bar,' an opposed bar cut made popular by the late Jeff Graham. Opposed Bar Cut Pakistani Peridot. John Dyer/Precious Gemstones Inc. We cannot be held responsible for errors or omissions. International Gem Society LLC. (Tip: This is a good way to compare multiple gems, just return the ones you don't want! $149.99 . Free shipping on many items | Browse your favorite brands | affordable prices. The International Gem Society (IGS) is the world's top resource for gem professionals, enthusiasts, and industry content. This material is fairly rare in this color and has been cut in a custom round design. 0 bids. This tourmaline is light green with an orange C-axis that results in several interesting color combinations. Cut in a classical opposed bar design, the result is a pixelated gem. Satisfaction Guarantee. Cut by Steve Moriarty.   |   The tourmaline is topped with two (2), channel set, princess cut diamonds. 1.08 Cts-Top Grade AAAAA+ Green Color - 100 % Natural CHROME TOURMALINE - Africa. Privacy Policy We want you to be happy, so we give you a full 14 days to examine and return gems! Additional Photos + We have only shown a small selection of photos on this page to make this page easier to browse. All rights reserved. The shank of this ring tapers at the sides, then widens at the back of the 96 index Learn how tourmalines form and why so many colors can appear in one…, Visit one of the top gem hunting spots in the US. The actual mechanism that holds the stone in place is only visible from the inside of the ring, adding an air of mystery to the piece. • Explore a range of gemological tests… not only will you get familiar with the process but also time-saving shortcuts! The shank of this ring tapers at the sides, then widens at the back of the finger for a non-spinning fit. Learn how to get started with the International Gem Society’s guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist! Beautiful that will be an heirloom. Detailed faceting instructions by Jeff Graham available at The Rock Peddler. The Tourmaline is a rich blue green and the opposed bar cut has a dynamic affect on the stones color. The pendant measures 22.4mm X 12.7mm and is suspended from a 14K yellow gold box link style neck chain measuring 0.5mm wide and an overall length of 18 inches. Clarity: VVS Origin: Africa Enhancements: None. “Angelite,” a blue-gray…, Carats are the units used to measure gem weight and one of the main factors in gem grading. or Best Offer. The ring weighs 15.7 grams total and is a size 6.25. This is a heavy 18k gold ring set with a stunning blue green opposed bar cut Tourmaline. Affiliate Disclosure It works well in Tourmaline that is dark or closed on the “c” axis. Hotel la Tourmaline: Pas le grand luxe - consultez 372 avis de voyageurs, 133 photos, les meilleures offres et comparez les prix pour Hotel la Tourmaline sur Tripadvisor. When we cut across a Tourmaline crystal, tabling a brilliant-style gem on the A/B axis, our pavilion mirror facets will return views from various directions through the crystal. perec448. Opposed Bar Cut Weight: 5.12 cts Measurements: 15.3×7.8 mm. H/W = (P+C)/W+0.02 = 0.714 Tourmalines make very popular jewelry stones and…, Thinking about a tourmaline engagement ring? Fine and very clean tourmaline in a large size and pleasing color that is difficult to find these days. 9.3k votes, 163 comments. See what’s inside…, • Discover the 17 practical steps to gemstone identification (even if you’re just getting started with gemology), • Learn how you can use specific tools to gather data, make observations & arrive at an accurate ID. Click here to see all photos of Tourmaline from . Lydia Classic Bar Set Green Tourmaline Ring. Learn what makes these rarities so unique in our introductory article.…, Gem stress can cause stones to break during faceting. Addition # 4 – This cut easy and can be almost any L/W with no changes. The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as Gram Faceting Designs. Opposed Bar 1.50: Faceting Design Diagram, Choosing a Ring Style, Setting, and Metal, Gemstone Faceting Diagrams and Technical Cutting Information, Discover the 17 practical steps to gemstone identification (even if you’re just getting started with gemology), Learn how you can use specific tools to gather data, make observations & arrive at an accurate ID. Get the best deals on Black Excellent Cut Loose Tourmalines when you shop the largest online selection at eBay.com. The variety of shapes that can be cut is limited, but the color, and therefore the value of your stone, will be greatly improved. The back, 1cts and up… note: P5 is optional a gem... Below for detailed information about this gemstone carved into beautiful objects returned in original condition we will refund opposed bar cut tourmaline purchase. And up… note: opposed bar cut tourmaline is optional top resource for gem professionals, enthusiasts, and industry content note. 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