Kukosha Kwemadhaimani - Madhaimani anokosheswa sei?

Kukosha kwedhaimondi kunotarirwa ne: tsika dzemazana emakore, mafambiro echitendero uye fashoni isingachinji uye inogara. Iro gemstone rinokosheswawo nekuoma kunoshamisa kwedhaimondi uye kwakakosha kuramba kune hukasha hwemakemikari uye zvinopisa zvinhu. Kana isu tikafungawo kushaikwa kunoshamisa uye runako runonakidza rwematombo ane mativi, zviri nyore kunzwisisa kuti nei madhaimani achinzi matombo anokosha. 

Madhaimondi akashata uye kukosha kwawo

Zvichitevera kutengeswa kweDe Beers muna 2001, kambani iyi, sechikamu chemutemo wayo wemitengo, yakafunga kusaburitsa mitengo yemadhaimondi akashata anotengeswa neDiamond Trading Co. Zvakadaro, shumo rakaburitswa neBonas-Couzyn Ltd., bhizimusi rekutengesa nekutsvagisa uye rinoona reDe Beers, rinoratidza kuti mitengo yemadhaimondi akasarudzwa yakakwira neinopfuura 2009% kubva muna Chivabvu 25. (Tafura 1). Kuwedzera kunonyanya kukonzerwa nemhando yepamusoro sawn 1 uye dodecahedral crystals (sawing 2) nemachipisi. Sezvo mitengo yakakwenenzverwa isiri kukwira nekuda kwedambudziko repasi rose uye kutengesa kubva mudura, tinogona kutarisira kuwedzera kukuru kwemutengo wemadhaimondi akakwenenzverwa kubva kuzvinhu zvichangobva kutengwa.

Antwerp Diamond Index

Indekisi, yakagadziridzwa neHigher Diamond Council (HRD), inoratidza shanduko yeavhareji mitengo yemadhaimani - 0,50-1,00 carats, kujeka kubva kuLC kuenda kuVS2 uye ruvara rweruchena rwakachena. (E) muchena (H) - mumusika weAntwerp (Belgium). Yakabudiswa mashoko anoratidza kuti pakati 1973 uye 2008 (kutora 1973 sezvo 100%), mitengo 0,50 carat madhaimondi akasimuka kupfuura 165%, uye mitengo 1,00 karati madhaimondi akasimuka kupfuura 270%. Mitengo yepamusoro yemadhaimani akakwenenzverwa yakasvika 1980% uye 402,8% zvakateerana muna 636,9, uye yakazodzika zvakarongeka kusvika 1985 kusvika 182,6% uye 166,0% zvichiteerana. Mitengo yemadhaimani yakakwira zvishoma nezvishoma asi zvishoma nezvishoma kubvira 1985 (tafura 2, girafu 1).

Historical kukura maitiro mumadhaimani mitengo

Mitengo yemadhora ekuAmerica yemadhaimani emhando yepamusoro ye1,00-1,39 carats, kujeka kweloupe (LC) uye kuchena kwakachena (D) yakakwira ne1960% pakati pa2010 na840 (Chati 2). Chikonzero chekukwira kwakanyanya kwemitengo ndiko kushaikwa kwezvinhu zvakasvibirira, nekuti chete madhaimondi mazana manomwe nemakumi mashanu emhando iyi anogadzirwa gore rega. Zvakare, kuti uwane matombo madiki akadaro, kubviswa kwe750 matani ekimberlite kunodiwa. Gareth Penny weDe Beers akataura mubvunzurudzo muna 800 kuti kuenderera mberi kwekugadzirwa pamatanho ari pamusoro apa kunogona kukonzera kupera kwemari inogadzira madhaimondi emhando yepamusoro mumakore makumi maviri anotevera. Zvinoenderana nekuongorora kweAntwerp Center yeWorld Trade in Diamonds (Belgium), mitengo yemadhaimani akakwenenzverwa yakawedzera gore negore ne000% muna 000-2010. Mumakumi emakore akatevera, kubva muna 20 kusvika muna 1949, kuwedzera kwemutengo kunoenderana nemakore gumi apfuura kwaive sekutevera:

• 1960-1970 - 155%;
• 1970-1980 - 52%;
• 1980-1990 - 32%;
• 1990-2000 - 9%;
• 2000-2010 - 68%.

  Mumakore anotevera, tinofanira kutarisira kuwedzera kukuru kwemitengo yemadhaimani emhando yepamusoro nekuda kwezvikonzero zvakati: 1) hupfumi hwenyika huri kusimuka kana kubuda mudambudziko rehupfumi, kunyanya musika weAmerica, kushandiswa kwemadhaimani kukuru pasi rose (kupfuura. 50%); 2) pane kushomeka kwekupihwa kwezvinhu zvemhando yepamusoro uye mitengo yayo iri kuramba ichikura; 3) madhipoziti edhaimani anopera zvishoma nezvishoma, uye hupenyu hunotarisirwa hwemigodhi yepasi pevhu huripo hwakagadzirirwa 2020; 4) Kudiwa kwemadhaimondi akakwenenzverwa kuri kukurumidza kukura mumisika mitsva yeAsia (China, Korea, Taiwan).

Tarisa zvakare kuda kuziva - iro dhaimani rakakura kwazvo pasi rose!