16. Spot the difference .platinum and white gold are not the same,former is a metal and the other is mixed with white gold alloy.. 17. 4c dictate the diamonds price..clarity ,cut ,caratage and color.. 18. Diamond caratage : the bigger the diamond the rate goes higher ,1 carat =200 mg or 100 points/cents 19. Diamond cut : it is deciding factor of reflection of diamond..polish lines reduce the reflection and hence less brilliance. 20. Diamond clarity : signifies the presence of inclusions in a diamond. graded as flawless , vvs 1 and 2 ,vs 1 and 2 ,si 1 and 2. 21. Diamond color : ideally its colorless i.e. D,E,F.However ,most diamonds which appear colorless actually have slight tones of yellow or brown ..i.e. G to K.. 22. diamond other factors..that count or size ,and shape of the various crown facets ,size of the table ,length of pavillion facet and the culet chipped or perfect.. 23.jewellery is the most precious gift that's cherished forever.find your partner's likings and prefe...