请教胡博士以下四颗钻石那个定价更合理,性价比更高?另外荧光对钻石价值的影响有多大,希望能给出大致比例或数字说明。最后请问同样是0.60ct的钻石为什么台面直径差异那么大,就0.60ct钻石而言,直径尺寸多少合适?
钻石一: 15721元
Round Brilliant
Measurements: 5.42 - 5.45 x 3.34 mm
Carat Weight: 0.60 carat
Color Grade: G
Clarity Grade: VVS2
Cut Grade: Excellent
Proportions:
Depth: 61.4%
Table: 57%
Crown Angle: 34.5°
Crown Height: 15.0%
Pavilion Angle: 41.2°
Pavilion Depth: 43.5%
Star length: 50%
Lower Half: 75%
Girdle: Medium, Faceted
Culet: None
Finish:
Polish: Excellent
Symmetry: Excellent
Fluorescence: Medium Blue中度蓝色荧光
Clarity Characteristics: Pinpoint
钻石二: 15181元
钻石三: 15957元
Round Brilliant
Measurements: 5.42 - 5.45 x 3.30 mm
Carat Weight: 0.60
Color Grade: F
Clarity Grade: VS1
Cut Grade: Excellent
Proportions:
Depth: 60.7 %
Table: 59 %
Crown Angle: 33.5°
Crown Height: 13.5 %
Pavilion Angle: 41°
Pavilion Depth: 43.5 %
Star length: 50 %
Lower Half: 75 %
Girdle: Medium to Slightly Thick, Faceted
Culet: None
Finish:
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Clarity Characteristics: Crystal, Feather
钻石四: 15818元
Round Brilliant
Measurements: 5.61 - 5.62 x 3.38 mm
Carat Weight: 0.65 carat
Color Grade: F
Clarity Grade: VS1
Cut Grade: Excellent
Proportions:
Depth: 60.2%
Table: 58%
Crown Angle: 34.0°
Crown Height: 14.0%
Pavilion Angle: 40.8°
Pavilion Depth: 43.0%
Star length: 50%
Lower Half: 75%
Girdle: Thin to Medium, Faceted
Culet: None
Finish:
Polish: Excellent
Symmetry: Excellent
Fluorescence: Strong Blue 强蓝荧光
Clarity Characteristics: Crystal, Needle