Carbon trade in both types of diamonds exists, the two markets act in dramatically different ways. Unlike precious metals such as gold or platinum, gem diamonds do not trade as a commodity: there is a substantial mark-up in the sale of diamonds, and there is not a very active market for resale of diamonds. Industrial diamonds are valued mostly for their hardness and heat conductivity, with the gemological qualities of clarity and color being mostly irrelevant. About 80% of mined diamonds (equal to about 100 million carats or 20 tonnes annually) are unsuitable for use as gemstones are relegated for industrial
Refine S2 electric motor producing 116 hp and 270 Nm of torque. The iEV7S comes with a 39 kWh battery, and the range of the iEV7S is 280 kilometers. The same platform later spawned the SOL E20X from SOL, the EV joint venture between Volkswagen and JAC, with only a minor restyling for the front and rear DRGs in an attempt to recreate SEAT's styling on the iEV7S. Refine S2 The Refine S2 is a subcompact CUV produced by JAC Motors under the Refine sub-brand. It was positioned between the Refine S2 Mini and the Refine S3 compact CUV. The Refine S2