Taemane Value - Litaemane li nkoa e le tsa bohlokoa hakae?

Bohlokoa ba litaemane bo khethoa ke: litloaelo tsa makholo a lilemo, ho itlosa bolutu ka bolumeli le feshene e sa fetoheng le e tšoarellang. Lejoe la majoe le boetse le nkoa e le ea bohlokoa bakeng sa boima bo sa tloaelehang ba daemane le ho hanyetsa ha eona ho matla lik'hemik'hale tse mabifi le lintho tse futhumatsang. Haeba re boetse re ela hloko ho haella ho ikhethang le botle bo tsotehang ba majoe a nang le likarolo, ho bonolo ho utloisisa hore na ke hobane'ng ha litaemane li bitsoa majoe a bohlokoa. 

Litaemane tse thata le boleng ba tsona

Kamora ho etsoa ha De Beers ka 2001, k'hamphani, joalo ka karolo ea leano la eona la litheko, e ile ea etsa qeto ea ho se hlahise litheko tsa litaemane tse mpe tse rekisoang ke Diamond Trading Co. Leha ho le joalo, tlaleho e phatlalalitsoeng ke Bonas-Couzyn Ltd., khoebo e mpe ea litaemane le khoebo ea lipatlisiso le ea bonang mahlo a De Beers, e bonts'a hore litheko tsa litaemane tse khethiloeng li nyolohile ka ho feta 2009% ho tloha ka Mots'eanong 25. (Lethathamo la 1). Keketseho e haholo-holo ka lebaka la boleng bo phahameng sawn 1 le likristale dodecahedral (sawing 2) le chips. Kaha litheko tse bentšitsoeng ha li nyolohe ka lebaka la koluoa ​​​​ea lefats'e le thekiso e tsoang setsing sa polokelo, re ka lebella keketseho e kholo ea litšenyehelo tsa litaemane tse bentšitsoeng ho tsoa ho tse sa tsoa rekoa.

Antwerp Diamond Index

Index, e entsoeng ke Higher Diamond Council (HRD), e bonts'a phetoho ea litheko tse tloaelehileng tsa litaemane - 0,50-1,00 carats, ho hlaka ho tloha ho hlaka ho hoholo (LC) ho ea VS2 le 'mala oa bosoeu bo hloekileng. (E) ka bosoeu (H) - 'marakeng oa Antwerp (Belgium). Lintlha tse hatisitsoeng li bontša hore pakeng tsa 1973 le 2008 (ho nka 1973 e le 100%), litheko tsa litaemane tsa 0,50 carat li ile tsa phahama ka ho feta 165%, 'me litheko tsa litaemane tsa 1,00 carat li ile tsa phahama ho feta 270%. Theko e phahameng ka ho fetisisa bakeng sa litaemane bentšitsoeng fihla 1980% le 402,8% ka ho latellana ka 636,9, 'me joale ho fihlela 1985 ba ile ba theohile ka mokhoa o hlophisitsoeng ho 182,6% le 166,0% ka ho latellana. Litheko tsa litaemane li nyolohile butle butle butle ho tloha ka 1985 (tafole 2, graph 1).

Litloaelo tsa kholo ea nalane ea litheko tsa litaemane

Litheko tsa lidolara tsa Amerika tsa litaemane tsa boleng bo holimo tsa 1,00-1,39 carats, loupe clarity (LC) le bosoeu bo hloekileng (D) li nyolohile ka hoo e ka bang 1960% pakeng tsa 2010 le 840 (Chate 2). Lebaka la ho phahama ha theko e joalo ke khaello ea lisebelisoa tse tala, hobane ke litaemane tse ka bang 750 feela tsa boleng bona tse hlahisoang selemo le selemo. Ka lehlakoreng le leng, ho fumana lejoe le lenyenyane hakana, ho hlokahala hore ho ntšoe lithane tse ka bang 800 000 000 tsa kimberlite. Gareth Penny oa De Beers o boletse puisanong ea 2010 hore tlhahiso e tsoelang pele maemong a kaholimo e ka lebisa ho theoheng ho felletseng ha li-deposit tse hlahisang litaemane tsa boleng bo holimo lilemong tse 20 tse tlang. Ho ea ka tlhahlobo ea Setsi sa Antwerp bakeng sa Khoebo ea Lefatše ea Litaemane (Belgium), litheko tsa litaemane tse joalo li eketsehile selemo le selemo ka 1949% ka 1960-15. Lilemong tse mashome tse latelang, ho tloha ka 1960 ho isa ho 2010, keketseho ea theko e amanang le lilemo tse leshome tse fetileng e ne e le ka tsela e latelang:

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

  Lilemong tse tlang, re lokela ho lebella keketseho e kholo ea litheko tsa litaemane tsa boleng bo holimo ka mabaka a 'maloa: 1) moruo oa lefats'e o ntse o hlaphoheloa kapa o tsoa mathateng a moruo, haholo marakeng oa Amerika, tšebeliso e kholo ka ho fetisisa ea litaemane lefatšeng (ho feta 50%); 2) ho na le khaello ea phepelo ea thepa e tala ea boleng bo holimo mme litheko tsa eona li lula li hola; 3) li-deposit tsa daemane li fokotseha butle, 'me bophelo bo lebelletsoeng ba merafo e teng ka tlas'a lefatše bo behiloe bakeng sa 2020; 4) Tlhokahalo ea litaemane tse bentšitsoeng e ntse e hola ka potlako limmarakeng tse ncha tsa Asia (Chaena, Korea, Taiwan).

Sheba hape bohelehele - taemane e kholo ka ho fetisisa lefatšeng!