| Subject | Date Asked | Expert |
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| mfg of ring | 8/29/2008 | A. DeMello Gemological Laboratory - Arthur DeMello GG (GIA) |
Q: Arthur, I have a ring that I purchased from an individual that I trust. It is a PT950 setting with ...
A: PT 950 is 5% iridium - platinum OLCL is the manufactures hall mark. I am not familliar with this ...
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| PL MARKING IN RING | 8/28/2008 | Peter Lumetta |
Q: I WAS GIVEN A RING WITH A RATHER LARGE AMETHYST. I DO NOT BELIEVE IT IS WORTH MUCH, BUT I WOULD LIKE ...
A: s gRAY, I DON'T REMEMBER PUTTING MY INITIALS IN AN AMETHYST RING BUT I MAY HAVE. MY INITIALS BEING ...
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| gold dipping | 8/28/2008 | Thomas |
Q: I hope you can help me , i actually design and make jewlery from homw , i wanted to learn how to ...
A: Nadine. Since you mentioned gold dipping, I assume you want to plate the flowers with gold. If you ...
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| ORIENTAL OPAL | 8/28/2008 | Rod Keady |
Q: I put a little water on a piece of paper in a sealed box with the opal and the next day it was ...
A: what a beautiful opal carving ! It really doesnt need any water to store it. Water is only a ...
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| reselling gemstone rings | 8/28/2008 | A. DeMello Gemological Laboratory - Arthur DeMello GG (GIA) |
Q: Sir, I live in Hong Kong. Out of curiosity I attended a jewelry auction for the very first time ...
A: No,If the rings were misrepresented you would be protected under the law of the city or jurisdiction ...
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| Grey marks on polishing sterling silver | 8/26/2008 | Thomas |
Q: I am having trouble polishing engraving on Sterling Silver items. I have a polishing motor and use ...
A: Jane. Thanks for this question. Likely the best way for me to help you with this is to mentally go ...
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| cleaners | 8/26/2008 | David Fortier |
Q: I am a certified bench jeweler from GIA- i took a few years off after i graduated to travel and now ...
A: It's my pleasure Jessica! I'm glad to help. If you look in the dental care section of your local ...
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| question on my jeweler's opinion on metal | 8/26/2008 | A. DeMello Gemological Laboratory - Arthur DeMello GG (GIA) |
Q: My jeweler is making a diamond band for me for our anniversary. It will go all the way around so ...
A: Some jewelers dont feel comfortable working with platinum and may try to discourage you from it. 18K ...
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| cleaners | 8/25/2008 | David Fortier |
Q: I am a certified bench jeweler from GIA- i took a few years off after i graduated to travel and now ...
A: and thanks for your question. I am not familiar with the details of ionic cleaners; ultrasonic is ...
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| Finding a company to pour gold jewelry | 8/25/2008 | Thomas |
Q: My question may seem strange but I am looking for a company that would melt my pure gold ingots and ...
A: Ken, thanks for the question. Actually, this is a more complicated question than it might appear. ...
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| Marking on my necklace | 8/25/2008 | Thomas |
Q: I have a marking on the little charm on my necklace and it has 925 TH and then there is a little ...
A: Mckenzie. Glad you wrote me. I do not even begin to try and identify makers marks as stated in the ...
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| SMOKEY QUARTZ | 8/25/2008 | Les Keller |
Q: Can you give tell me about these gems and Im selling it and I dont want to give it away but I dont ...
A: Cheryl the items in questions are not expensive and appear to be synthetic...in addition the "other ...
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| D rings on briolettes | 8/23/2008 | Thomas |
Q: Thomas, Another, slightly shorter question. I am interested in attaching briolettes to chain via ...
A: Aimee, I do hope this answer will allow attachment of an image. My suggestion is to form the wire ...
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| marking on back of pendant | 8/22/2008 | Rod Keady |
Q: I have an old locket with green stones on front and the back has a marking of a gold star. any idea ...
A: Without looking at the piece ,its very difficult to know anything of it . Is it Gold is it silver ? ...
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| shiny gold pendant gets a feather shaped area that is matted?? | 8/22/2008 | Thomas |
Q: i bought two shiny gold initial discs with the initials set in diamonds..the discs are separated by ...
A: Kim, thanks for using the follow-up since this tells me much more that I had to start. Please ...
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| gold indentification | 8/22/2008 | Bill and Sally Jarrett |
Q: I am new to vintage jewelry & I am confused about jewelry indentification. First, I have a very old ...
A: A lot of things come into play - how deeply your test strip is, etc. Chains are particularly ...
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| Worn Away Gold Down to Base Metal | 8/22/2008 | Bill and Sally Jarrett |
Q: I received an old piece of costume jewelry (by Sherman, a Canadian company). The stones themselves ...
A: I haven't tried any of the newer items available now, but I'm sure they are much better. What I used ...
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| Ivory (pre-ban) Tiffany dresser set | 8/22/2008 | Bill and Sally Jarrett |
Q: I have a six piece (I believe men's)ivory (pre-ban) dresser set. It has the correct Tiffany mark ...
A: We appreciate your desire to place value on your item whether it is a personal heirloom or a ...
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| rhodium plating | 8/22/2008 | Steven D.Covey |
Q: Can a sterling silver bnagle bracelet be rhodium plated, and what is the average cost? My husband ...
A: Judy yes I think that is do-able. They may have to plate it with another metal first I not sure on ...
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| Sizing down an engagement ring | 8/21/2008 | Les Keller |
Q: My boyfriend and I recently purchased my engagement ring on the internet, and it turns out I didn't ...
A: Maia Just 1/2 size down should not compromise any of the diamonds, make sure you take it to a ...
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| Care and measure of opals | 8/21/2008 | Steven D.Covey |
Q: It's nice to find an expert to get the right answers from. This question consist of two parts. The ...
A: I keep my opal in water. Oil does not evaporate as easy as water and could be good. But water does ...
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| Painite gemstone | 8/21/2008 | David Fortier |
Q: David, I have had in my gemstone collection a verified painite gemstone that is 20+ carats. I want ...
A: This is quite unusual given the rarity of painite. There are many dealers who specialize in very ...
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| Hallmark | 8/21/2008 | Bill and Sally Jarrett |
Q: I have a bracelet given to me by my father ages ago, never worn due to very rough impromptu repairs ...
A: Although your item sounds very interesting, it would be very difficult to do an identification ...
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| unwanted gold | 8/21/2008 | A. DeMello Gemological Laboratory - Arthur DeMello GG (GIA) |
Q: where in jonesboro arkansas can i expect the best price for selling my old jewelry? i have a ...
A: Im sorry I would need to see the condition of the gold and check the weight. I can provide this ...
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| Ring resizing | 8/21/2008 | Thomas |
Q: I have a question about ring sizing. I would like to get my ring resized. It is now a size 8. I ...
A: Kaylee, I suggest you do not use a "while you wait" repair place. While some do fine work, some ...
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| Worn Away Gold Down to Base Metal | 8/20/2008 | Bill and Sally Jarrett |
Q: I received an old piece of costume jewelry (by Sherman, a Canadian company). The stones themselves ...
A: There are metallic paints in pen and liquid style on the market, usually found in craft stores. I ...
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| Ring resizing | 8/20/2008 | Thomas |
Q: I have a question about ring sizing. I would like to get my ring resized. It is now a size 8. I ...
A: Kaylee. Is this is a white gold 14k ring? Is that what is meant by 4k silver ring? Either way, ...
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| pocket watch- railroad style | 8/20/2008 | Bill and Sally Jarrett |
Q: I have a warrented B & B Royal watch with 15 Jewels. It has the characteristics of a railroad watch ...
A: Generally when a watch is labeled Warranted it is gold plate. Depending on how heavy the plating is, ...
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| Strange Ring | 8/20/2008 | Peter Lumetta |
Q: I found this ring a while ago, Im told its silver but Im not sure. It has an alien on it and inside ...
A: TO BE HONEST WITH YOU I DON'T HAVE THE FOGGIEST IDEA WHAT THAT MEANS. IT IS NOT A QUALITY STAMP LIKE ...
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| drilling holes | 8/20/2008 | Steven D.Covey |
Q: What type of equipment should I be using to drill holes into small(less than 1/2" thick) stones like ...
A: You need to get a flex shaft for your dremel. Next use a triple ripple diamond bit but use at least ...
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| LW&G | 8/18/2008 | Peter Lumetta |
Q: Can anyone give me the address and telephone number for this manufacturer - LW&G? I have a 999 gold ...
A: I'M NOT REAL SURE WHO LW&G IS BUT THAT IS NO MATTER. YOU CAN BUY A NEW RING TO MATCH THE ORIGINAL ...
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| reselling gemstone rings | 8/18/2008 | A. DeMello Gemological Laboratory - Arthur DeMello GG (GIA) |
Q: Sir, I live in Hong Kong. Out of curiosity I attended a jewelry auction for the very first time ...
A: Im sorry but I'm not allowed to appraise jewelry by law without seeing it first. I can only answer ...
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| White Gold testing.... | 8/16/2008 | A. DeMello Gemological Laboratory - Arthur DeMello GG (GIA) |
Q: Will white gold test the same as yellow gold using the acids in bottles that can be had? A follow ...
A: With an electric tester you need to file and scratch through the outer layer and clean it ...
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| inexpensive necklace i would like to keep | 8/16/2008 | Thomas |
Q: I have this necklace i just bought, and loved. It isn't fine jewelry or anything with a carat ...
A: Alicia, thanks for the tough question. The answer is easy, meaning there is really very little you ...
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| White Gold testing.... | 8/15/2008 | A. DeMello Gemological Laboratory - Arthur DeMello GG (GIA) |
Q: Will white gold test the same as yellow gold using the acids in bottles that can be had? A follow ...
A: Acid is only as good as it is mixed and maintained. All acid bottles have separate indicators and ...
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| Platinum Ring | 8/15/2008 | Thomas |
Q: My husband recently bought me a platinum ring from the Bahamas it is stamped W PLAT inside which I ...
A: Sandra, the markings for jewelry as accepted by the USA are not difficult. Since the Bahamas ...
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| purchasing ground-up minerals | 8/15/2008 | Steven D.Covey |
Q: I want to experiment with certain minerals (preferably ground-up) in chemical experiments. Where ...
A: Sorry for not getting back to you sooner. This is not an easy question to answer. I have been ...
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| gold melting | 8/15/2008 | Thomas |
Q: i recently started melting gold as a hobby and i would like to know perhaps if you know where i can ...
A: Kris, thanks for the question but realize I am not an expert in metal melting. We melt gold for two ...
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| Silver ring marking | 8/15/2008 | David Fortier |
Q: I've read your response re the 925 marking on silver. While my ring has that marking, the metal has ...
A: That's a very interesting question. New alloys are constantly being developed and I can't say what ...
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| Ring allergy | 8/14/2008 | Les Keller |
Q: My husband develops tiny white bumps under his skin when he puts on his wedding ring. The bumps go ...
A: Anna he is breaking out from the moisture under the ring and reacts with his skin, this is common. ...
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