. Framing the central stone are two baguette diamonds and 10 single cut diamonds, which add further sparkle and radiance to the design! Think about it like this: you mix up a huge bucket of fruit tea that contains 1,000 ounces--900 hundred of the ounces are plain tea and 100 are fruit juice. Custom Review. Title and edition number TC-7 and #30A and 30B. 900 Plat - 100Irid - means platinum alloyed with 10% iridium. Platinum hallmarks have existed optionally for some time, but it was officially fist hallmarked in 1973. If I had such a ring, I w. 900 Platinum; Marks: 10%IRID; Metal Finish: High Polish; Total Item Weight (g): 10.0; Hebe Platinum and Diamond Case Wrist Watch Art Deco style having bezel adorned by round and baguette cut diamonds, 17-jewel movement, inside of case marked 'Hebe Watch SA', having metal accented, double looped black cord band; back of case marked '900 Plat. ANTIQUE BANGLE BRACELETS (6 . Stamps: 100 IRID. Previous Index Next One ladies platinum dinner ring. However, treatment may lower the value of the gem and may require special care to maintain the gem's appearance. size 4 3/4. family, such as cobalt, copper etc. Weighs 5.7g. He thought that it is white gold but upon inspection, I located a platinum jeweler's stamp - "900 Plat 100 Irid". . It means 90 % platinum, and 10 % Iridum, a low tarnishing metal that platinum is mixed with.nowadays, platinum jewelry is 95% platinum, and 5 % Iridium,and the stamp is usually "PT' for Platinum and 'Irid".Thats a beautiful ring,bids will probably go thru the roof. Platinum is a precious metal that is usually mixed with other similar metals. Marked.100 IRID. The watchcase is stamped "KO 900 Plat 100 Irid" and numbered "115557." The watch and bracelet are set with round cut and marquise diamonds. A great piece at an even better price - at least 70% off retail. For example, a piece of jewelry containing 90% platinum will be marked, 900 Pt or 900 Plat. $3500/4000** 35 In 1998 we established Diamond Ten, our internet division. 100 iridium with single cut & baguette cut diamonds in beaded accented settings. While this ring dates to around 1990, it is created with all the finesse of one made 70 years earlier. Pt999 finishes at 215 HV which is in the same range as stainless steel and titanium jewelry (200-250 HV), nickel WG and cold-worked Pt/Ru. An outstanding diamond engagement ring from the late Art Deco (ca1930) era! Crafted in heirloom-quality 900 platinum, this exquisite vintage engagement piece showcases a sparkling diamond solitaire beautifully accompanied by milgrain-outlined accent diamonds which grace the ring's knife-edge band. Answer (1 of 2): Or if you mean you want the ring to be of a specific mass after it has been made, that could be done too. There is still a large amount of jewelry being produced using this universal alloy. Our Tiffany & Co. We also Carry genuine antique jewelry that ranges from the mid-1800s through the 1950s along with antique pieces from the 1930s that have never been worn. Platinum content is usually expressed as the amount of pure platinum the jewelry contains in parts per thousand. 1070. Platinum is one of the heaviest wedding and engagement ring metals. Measures 7'' and weighs 11.2 grams. Kimberly_Starbard February 15, 2006, 12:04am #10 . If stamped Plat, it is 95% pure. This beautiful piece is made of platinum and holds a gorgeous old European Cut diamond at the center. . A 900PLAT ring will usually be alloyed with iridium or palladium. The band is 2 mm wide and half round. The diamonds cover the whole top half of the ring which sits sits approx.. 1/4" above the finger. Stamped "100 IRID 900 PLAT' inside band. I do not see the inside of the back cover but my guess is that it reads, "Hamilton W Co., Lancaster, Pa., .100 Irid., and .900 Plat.". An estimate of an item's value, usually made by an educated professional. Crafted of solid platinum, this elegant diamond-encrusted ladies Hamilton wristwatch is absolutely irresistible. Many estate jewelry hallmarks will be PT900, indicating that the metal is 900 parts per 1000 of pure platinum. COMPOSITION: Platinum, Acid tested . Description: This vintage Art Deco diamond ring is absolutely ravishing as it is nearly 100 years old and is in impeccable condition. Size & Measurements: The ring is a size 8 (sizable). Gross weight 4.10 grams. 14kt Gold, Diamond, and Emerald . The ring is hallmarked "900 PLAT 100 IRID" and "Granat Bros" Once the shipper has your items, please allow 3-5 business days for . Instant price guides to discover the market value for bailey banks biddle watch . From show-stopping cocktail numbers to distinctive dinner rings, simple solitaires and sparkling bands, our many antique diamond rings include practically every configuration of that favorite stone. Buying from a knowledgeable jewelry professional is your key to finding the best-quality diamond for the greatest value. Material info: Solid Platinum (900)Total Gram Weight: 41.3 GramsClasp: Folder Over Interlocking with Safety ChainBrand: HamiltonMovement: Swiss Quartz, 6 JewelsEra: 1940sCrystal: PlasticDial: White with Silver Arabic and Dot . Center diamond has an estimated weight of .43-carat, F color, and VVS2 clarity. The amount we offer for scrap gold and broken or unwanted jewelry is based on the current market value of precious metals, which is currently the highest in years. Centering an old European cut diamond, basket set, weighing approximately 0.45 carat; J color with VS clarity Flanked by fishtail set single cut diamonds weighing approximately 0.08 carat total, G/H color and VS clarity Completed by deeply grooved shoulders with sweet milgrain detail Stamped 900 PLAT 100 IRID for platinum Circa: 1940s Resizing such a ring would immediately destroy any historical significance and value it would have. TOP RESALE VALUE . These alloys tend to be stronger due to the ruthenium. Sometimes it will be listed as IRIDPLAT to indicate a mix of 100 parts iridium and 900 parts platinum. 6.5in . Est. Fast Fun Facts About Platinum Rings! Sometimes the alloying metal is ruthenium or even cobalt because they provide an . . Weighs 8 grams. Platinum is a precious metal that is usually mixed with other similar metals. Nothing wrong with that but they do behave more like tool steel than precious metals when finished: Typical platinum 950/900 alloys finish between 80-135 HV when cast. . John. Answer (1 of 4): Ummm nothing personal, but are you insane??? Fine platinum with mille grain accents (beaded edges), filigree open work, and lovely diamonds strike a chic chord. Bid on Platinum Iridium star sapphire ring sold at auction by Pook & Pook Inc. 1793 on 6th May Platinum Iridium star sapphire ring, . After you accept our offer, we do the necessary paperwork and . And the crucial difference, at least to my understanding, is whether 1071. Material info: Solid Platinum (900)Total Gram Weight: 41.3 GramsClasp: Folder Over Interlocking with Safety ChainBrand: HamiltonMovement: Swiss Quartz, 6 JewelsEra: 1940sCrystal: PlasticDial: White with Silver Arabic and Dot . . This beautiful platinum ring holds a heart-shaped diamond that is prong set at the center. If you're jewelry is simply marked "platinum", it is at least 95% pure (950 Plat). 900 platinum engagement ring featuring a 0.78 carat round brilliant diamond and 0.22 carats of single cut diamonds. But leave room for disc. Soccer field sideline. The back of the case usually will be able to snap open and the platinum back cover is marked, "Hamilton, 10% Irid, Plat." There is a thin white gold fluted winding crown, the original one. Good Value. (buy chain necklace) TOTAL GRAM WEIGHT IS APPROX. The band measures 5mm wide (0.19 inches) rising 2.5mm from the finger. TOP RESALE VALUE Chanel Louis Vuitton Herms Gucci Cartier Rolex Goyard Tiffany & Co. Christian Dior Saint Laurent Fendi Van Cleef & Arpels Patek Philippe. (this rate applies to all items regardless of size or value). The band tapers from 3.5mm at the shoulder to 1.3mm wide at the back of the band. For the record, platinum has an atomic weight of 195.078. . VS clarity.Stamped HAMILTON '100 irid 900 plat'.Length of watch head 4.2cms. I'm trying to avoid alloys mixed with non-plat. The setting is solid platinum and is signed "PT" and "900", "100 IRID". VIEW. Different markings are used on platinum jewelry based on the amount of pure platinum in the piece. Resting on either side of the center stone is a row o Less than 85% platinum will often be listed with the quantity of palladium or other metal, such as "585PLAT 415PALL." 2 PLATINUM BAND. Take the time to be educated about diamonds so you will understand where the best value is and why. Movement by Hampden, marked Swiss. The wide ring is crafted of platinum and exhibits 2 high quality bezel set old mine cut natural diamond's positioned north and south of each other on the ring's face. . Has initials of CL and 1902 on the . ITEM: Vintage Platinum Elongated Diamond Dinner Ring . THIS PLATINUM RING HAS A MANUFACTURERS MARK "LOVEBRIGHT" ON THE BAND. Cocktail Rings. Hamilton Platinum and Diamond Lady's Watch,Hamilton Platinum and Diamond Lady's Watch, underside of case marked "900 PLAT / .100 IRID", set with (24) round brilliant cut diamonds weighing . . We do not mark merchandise values below value or mark items as "gifts" - US and International government regulations prohibit such behavior.--> total diamond weight 1ct, marked 900 Plat.100 Irid and illegible designer mark. All pieces shipped insured via USPS Priority Mail requiring signature upon delivery. A GIA report # 5201468855 dated July 24, 2019 stating D color, VVS2 clarity, accompanies the center stone. Antique And Vintage Jewelry ~ Rare & Unique Finds At Value Prices . 14.8gms.Condition Report:Dial shows discolouration and dirt.Diamonds appear bright and well matched.The watch does not appear to be currently ticking.Free virtual . The transitional cut diamond was the transition between and Old European . The remaining 100 part are usually made with iridium which makes the jewelry harder. Calculator only figures the total value and weight of the platinum portion of your items. . 9.3 Value Added Tax on the Hammer Price is imposed on all items affixed with an asterisk thus - *. Clarity Grade: SI1. Total Platinum Value: (USD - U.S. Dollar) $0.00 Total Platinum Weight 5% Price Spread (USD) Resultant values will be rounded to two or more decimal places depending on length. Metal Type: 900 Platinum; Marks: PLAT, IRID, Maker's Mark; Total Item Weight (g): 5.1; Gemstone: Diamond; Carat Weight: 0.72; Stone Count: 16; Stone Shape: Old European Cut; The chart above shows the price of Platinum in USD per Gram for Today. 900 platinum and. The value is suggested retail or estimated replacement value rather than what is generally paid for the item. Score! 1.9g 10% IRID PLAT with 10 little diamonds (imagine they're real). 1) 95% platinum (950) - alloyed with 5% iridium - Vickers hardness = 80 Iridium has an atomic weight of 192.217 - pretty close to that of platinum. Userpaul6127 New member Username: Userpaul6127 Post Number: 1 . 900 PLAT. with small diamond accents, stamped 100 Irid. After examining your items, we make you an offer. Nice surprise! You can select the millesimal fineness from the drop-down list, or just enter a numerical value in the platinum purity text box. 900 Platinum; Marks: PLAT, IRID; Metal Finish: High Polish, Milgrain; Total Item Weight (g): 4.1; Center Stone: Yes; "This is a wedding band from 1923. Band marked platinum, cut band marked 900 plat. We value your privacy! This learning path helps prepare you for Exam PL-900: Microsoft Power Platform . 900 Plat., size 4, 2.4 dwt. Just come into our shop with the items you want to sell. For example, "IRID/PLAT" is 90% platinum and 10% iridium (PT900) by weight. Engraved . The exemptions are platinum items under 0.5 grams, gold items under 1 gram, silver under 7.78 grams and palladium under 1 gram. Inside shank: 900 PLAT .100 IRID Finger Size 6.25 *Sizing upon request (Sizing down runs about $25.. Sizing up starts at $45) Ring weighing 3.4 grams Appraisal Value: $2,485 *Sale of ring includes an appraisal certificate for your insurance purposes. F FelixMakes Rough_Rock Joined Jan 16, 2013 Messages When the platinum stamping regulations were revised, this alloy was then stamped 900Pt or 900PLAT or Pt 900. The jeweler would have to begin with a heavier mass of platinum in order to have room for shaping and whittling, down to your desired mass and design. 900 PLAT. If this is the case, it must contain at least 50% pure platinum. . Clasp is marked 900 PLAT and 100 IRID. 6 - 1902 ANTIQUE CUSTOM STORE DISPLAY CHEST/CABINET This is a Wonderful Store Display Specialty Cabinet. Usually jewelry and rings are often 10% iridium and 90% platinum. For example, the marking 900 Platinum (as well as the marking 900 PT, 900 PLAT, PT900 or 900 Plat 100 Irid) means that the item is 90 percent platinum and 10 percent other metals. LADY'S LOVELY DIAMOND PLATINUM RING: 1920's platinum filigree ring set with 88pt center diamond (purportedly G VSI), with 8 round and two marquise cut accent diamonds, approx. 4. Crafted of solid platinum, this elegant diamond-encrusted ladies Hamilton wristwatch is absolutely irresistible. Change Background. 900 Plat., maker's hallmark Condition: Pre-Owned Condition Note: Professionally Cleaned and Polished. Even 900 pl/100 irid. The 1. . For example, the marking 900 Platinum (as well as the marking 900 PT, 900 PLAT, PT900 or 900 Plat 100 Irid) means that the item is 90 percent platinum and 10 percent other metals. Girdle Thickness: Very Thin to Thick Faceted & Polished. Does not include any other metals that may have been used to alloy. THE RING IS CIRCA 1950's AND IS IN EXCELLENT CONDITION. Understated. Auction Information ONLINE ESTATE AUCTION*FURNITURE*ANTIQUES*COLLECTIB. Platinum. SIZE: 5 3/4 Ring can be sized for an additional fee. . . Elongating any finger, this north south oriented ring takes its cues from the Art Deco era's architecture and design. The diamonds are prong set. SIZE: 6. Please inquire if needed. The 3-Month Live chart incorporates the latest price per ounce for the current trading day, while the 6-Month Candlestick, 1-Year Close, 5-Year Close and 10-Year Close charts show the last platinum bullion price for the previous trading day. Diameter of top is a little over 1/2 inch. How to Sell. Other jewelry may also be marked "platinum" if it contains at least 95% of platinum group metals. Stamped .900 Plat .100 Irid for Platinum-Iridium; Ring Size: 6 1/2 & sizable; Top measures: 7.9 mm and sits 4.8 mm high; Total weight: 2.5 grams; . COMMENTS: This lovely Edwardian engagement ring features a 0.93ct transitional round cut diamond. We'll need just over 5% of the VOLUME of our platinum - in iridium - to make our "950" blend. The Hallmarking Act of 1973 requires all precious metal items sold in the UK to carry a valid hallmark. COMPOSITION: Platinum, Acid tested. Priced at $900. For example, the marking 900 Platinum (as well as the marking 900 PT, 900 PLAT, PT900 or 900 Plat 100 Irid) means that the item is 90 percent platinum and 10 percent . TOP RESALE VALUE . Just 5 percent of an alloy metal can give soft platinum the necessary hardness for a ring, according to 1 Wedding Band. Current Bid: $165. 100 Irid.' Length: 6 inches, Diameter: 3/8 inchesWeight: 0.35 ozt. If 10% alloyed, the stamp will read 900 Plat 100 Irid., 10% Irid. One ladies platinum dinner ring. Platinum is a precious metal that is usually mixed with other similar metals. The most common marks for platinum are "900 PT, 900 PLAT, PT900 and 900 Plat 100 Irid," which signifies the percentage of . MARKS: 100 Irid 900 Plat. Metal & Hallmark: Platinum. 2.74 ctw Diamond All Original Art Deco Elongated Dinner Ring Platinum. Silver. Pretty shallow, maybe and inch deep. Platinum is 1.6 times heavier . Platinum content markings are based on parts per . [more like this] JEWELRY. This ring is a size 7, but it can be re-sized up 3 sizes for a $40 fee per size or down 1 size for a $40 fee. Girdle Thickness: Very Thin to Thick Faceted & Polished. If a jewelry piece is marked as "900 platinum", "900 pt", "900 plat", "pt 900", or "900 plat 100 irid" this simply means the item is 90% platinum and 10% other metals. . If what you have is a genuine 2000 year old artifact, why on Gods green earth would you want to alter it???? Center round brilliant cut stone is .95 ct F color, I-2 clarity. Click here to read our policies. The piece is in overall very good pre-owned condition; there's an indent on the side of the case - shown in picture. from $3,572. .70 carat diamonds, 48 in all. (as well as the marking 900 PT, 900 PLAT, PT900 or 900 Plat 100 Irid) means that the item is 90 percent platinum and 10 percent other metals. Diamond Sapphire Three Stone Platinum Engagement Ring GIA Certified Stock # 38916 Beautiful three stone diamond and sapphire ring is handcrafted in platinum. 900 platinum engagement ring featuring a 0.78 carat round brilliant diamond and 0.22 carats of single cut diamonds. Vivi Particulars: Weight: 4.2 grams Stones: Single cut diamonds total an estimated 0.25 carats (estimated at G-H color and VS2-SI1 clarity). It seems to me that if 900Plat/Ir looks identical to 950 Plat/Ir and is also more durable/stronger, then it's actually a superior alloy unless you are doing fine details where the slightly softer characteristics of 950 make the job easier (or are selling internationally and want to stay in spec). The face has diamonds on each of the number markers and the hands are silver in color. We have over 100 antique categories, including antique jewelry, antique furniture, antique toys, Asian antiques and many, many more! Plain band stamped ".900 Plat., .100 Irid." - 2.7 grams; Size 6. This rings dates to the 1940s and is in very good condition with light surface wear! The other 10% is most commonly iridium which is added to increase the hardness and thus durability of the platinum. 100 irid . THE 14 DIAMONDS TOTAL APPROX. See pictures: Resizable: Yes: Retail Value: $4,320 Additional Info The default representation of Platinum price is usually in Troy Ounces, but . The band has a design carved around the edges - the design is mostly worn off due to age but you can still see it was there. For more information about our platinum price charts or products, call Monex now. It is accented on either side by two smaller diamonds weighing approximately .10-carat, H color, and VS2 clarity. Makers commonly alloy platinum with the PGM metalspalladium, ruthenium and iridium. Made 1920-30. 900/100 Iridium, an alloy containing 900 ppt platinum and 100 ppt Iridium. Pt 900 or Plat 900 or Plat or 90/10 Pt/Ir or 900 Pt 100 Ir or Platinum, these markings refer to the most common alloy of platinum which is 90% pure. Free sizing, please inquire if needed! Set to the front with three rows of single cut diamonds Total diamond weight approximately 0.80 carat, GHI color and VS to SI clarity Bead set with polished platinum detail Stamped 100 IRID .900 PLAT Ring Size: 6 3/4 & Sizable Top measures 6.3 mm and sits 3.4 mm high Total Weight: 3.7 Grams Sweet. is an option for us even though that particular alloy might not follow 'international standards' due to lower content of platinum. The platinum scrap calculator will show you the price for 100% pure platinum, unless you indicate a lower percentage. 100 IRID 900 Plat . If the ring shows a 9K, 10K, 14K, 18K, 22K, with or without a series of . Has "initials" to "initials" and a date of '39. inscribed in fancy script. The prong-set diamond exhibits G color and SI1 clarity and weighs approximately 0.51ctw. Accenting are twenty single cut diamonds of SI1-Il clarity and I color with a total . Hallmarks that you may find are 10 Irid 90 Plat, 100 Irid 900 Plat, 10% Irid 90% Plat, or other variations. Once the shipper has your items, please allow 3-5 business days for . An 850PLAT ring will usually be alloyed with palladium. Items must be marked as a "return." Once the item is received by us, we will verify the . The total platinum value is figured from the currency amount in the Platinum Price text box. CONDITION: Shows normal wear - no dents. It gives platinum an even harder-wearing durability. Clarity looks decent- maybe even SI- and color may be around I/J. Marked.100 IRID. Sing size 6.5. (this rate applies to all items regardless of size or value). A STAMPED 900 PLAT-100 IRID DIAMOND RING.