vs1 si2 no grey rough diamonds

{"cid":"91199738","title":"VS1 SI2 No Blue No Grey Rough Diamonds HPHT 3.0ct 4.0ct For Jewelry","imgUrl":"https:\/\/img.ismap.com\/nimg\/11\/b9\/3dd19aea7ac677e42b933cba4e76-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"YUDA CRYSTAL","Model Number":"YD-A+","Minimum Order Quantity":"Negotiate","Delivery Time":"1-15 Working Days Depends On Quantity","Certification":"None","Place of Origin":"Zhengzhou, China","Payment Terms":"100% Payment In Advance","Supply Ability":"50000carats per month","Packaging Details":"Carton box","Product Name":"HPHT Rough Lab Diamonds","Brand":"Yuda Crystal","Grade":"High","Assortment":"Good","Color":"DEF","Clarity":"VS SI","Carat Weight":"3.0-4.0carat","Cut":"Uncut","Technology":"HPHT","Shape":"Rough, Raw","Usage":"For Cutting Lab Grown Polished Diamonds","Component":"Carbon","Hardness":"Moh's 10 Scale","Available Type":"HPHT, CVD","Place Of Origin":"Zhengzhou, China","Payment Mode":"T\/T, Bank Transfer, PayPal, Western Union","Courier":"DHL, FedEx, UPS, TNT, EMS etc","Packaging":"As Export Standard","Customization":"Welcome","Polish":"None","Symmetry":"None","Sample Order":"Welcome","Treatments Applied":"None","Enhancement":"None"}}