Nov yog cov lus teb ceev: "750" txhais tau tias "18-karat kub". … Tab sis muaj ntau yam kom paub txog cov cim kub ntawm cov hniav nyiaj hniav kub. Cov tsiaj ntawv thiab cov lej no qhia txog yam khoom purity. Lawv sawv ntsug rau ntau hom kub, thiab qee yam muaj nqis tshaj lwm tus.
Puas 750 kub zoo?
Lub cim “750” txhais tau tias 750 tawm ntawm 1000 qhov ntawm cov khoom ntawd yog ua los ntawm cov kub ntshiab. Nyob rau hauv luv luv, nws yog 75% ntshiab kub uas yuav hu ua high-graded khoom kub. Nws yog xov xwm zoo yog tias koj pom cov hniav nyiaj hniav kub cim 750, raws li nws yog ib qho ntawm cov qib siab tshaj plaws kub alloys siv los tsim cov hniav nyiaj hniav kub.
Puas yog 750 kub tiag tiag?
Kub 750 yog dab tsi? Yog tias cov khoom kub dais lub ntsiab lus '750', ces koj cov kub tau raug sim thiab muab faib ua 18 carat lossis 75 feem pua ntawm cov ntshiab. Qhov seem 25 feem pua ntawm cov khoom yog tsim los ntawm cov hlau sib txawv xws li npib tsib xee, tooj liab, lossis qee qhov nyiaj.
Yog 18K 750 kub tiag?
750 kub yog tib yam li 18 karat (18K) kub. Kev muab qhab nia raws li ib feem ntawm ib txhiab (PPM) feem ntau yog siv rau cov hniav nyiaj hniav kub destined rau European thiab Esxias kev lag luam. Kev muab qhab nia raws li karat (K) feem ntau yog siv rau cov hniav nyiaj hniav kub destined rau Asmeskas, Tebchaws Askiv thiab Latin America. 18K kub tsis yog kub ntshiab.
Koj puas paub 18k kub yog tiag?
Kub yog hlau uas yuav tsis nyiam cov hlau nplaum. Kev sim yog 18k kub tiag, tuav nws ntawm ib sab ntawm cov hlau nplaum. Yog cov hlau nplaum lo raukoj cov hniav nyiaj hniav kub, ces nws tsis muaj feem pua ntawm kub, tab sis yog ua los ntawm lwm yam, ntau hlau nplaum.
