GIA鑽石價格在過去三十年來，幾乎都為上漲趨勢，除了有時會因為國際經濟與國家政策而略為走跌，大部份GIA鑽石每年的價格漲幅在5-10%之間，國際政治經濟變化導致珠寶鑽石價格小幅下降。從古至今，鑽石需求一直在增長，所以論定GIA鑽石價格仍會繼續上漲。
從鑽石價格漲幅數據觀察，鑽石投資與收藏投資一樣，越是稀少，升值空間越大，鑽石克拉數越大，升值空間也跟著水漲船高。目前1-5克拉的鑽石價格上漲趨勢最大，尤其有認證的GIA鑽石更是珍貴。
目前鑽石流行指標還是以大顆鑽石為主，其它形狀的鑽石，如圓形鑽石、梨形鑽石、方形鑽石、橢圓形鑽石以及心形鑽石等，也越來越多人喜歡收藏配戴。
以下為目前各式重量/淨度/成色的
GIA鑽石報價：
（圓形鑽石／以下鑽石報價不定時調整，實際報價需來店洽詢／來店另有優惠）
| |
IF |
VVS1 |
VVS2 |
VS1 |
VS2 |
SI1 |
SI2 |
SI3 |
I1 |
I2 |
I3 |
| D |
650,000 |
500,000 |
440,000 |
375,000 |
333,000 |
255,000 |
213,000 |
180,000 |
145,000 |
83,000 |
52,000 |
| E |
472,000 |
435,000 |
357,000 |
332,000 |
295,000 |
245,000 |
205,000 |
175,000 |
140,000 |
81,000 |
49,000 |
| F |
403,000 |
372,000 |
332,000 |
304,000 |
267,000 |
236,000 |
196,000 |
168,000 |
137,000 |
78,000 |
47,000 |
| G |
332,000 |
317,000 |
295,000 |
270,000 |
245,000 |
220,000 |
183,000 |
162,000 |
131,000 |
75,000 |
45,000 |
| H |
270,000 |
264,000 |
252,000 |
236,000 |
225,000 |
202,000 |
174,000 |
152,000 |
125,000 |
72,000 |
43,500 |
| I |
230,000 |
224,000 |
214,000 |
208,000 |
200,000 |
186,000 |
162,000 |
143,000 |
112,000 |
68,500 |
40,500 |
| J |
193,000 |
187,000 |
183,000 |
177,000 |
171,000 |
158,500 |
146,000 |
128,000 |
99,500 |
63,000 |
41,000 |
| K |
158,500 |
152,000 |
146,000 |
140,000 |
135,000 |
128,000 |
118,000 |
110,000 |
94,000 |
56,000 |
38,000 |
| L |
143,000 |
137,000 |
134,000 |
128,000 |
121,000 |
112,000 |
106,000 |
100,000 |
87,000 |
53,000 |
35,000 |
| M |
128,000 |
121,000 |
116,000 |
112,000 |
106,000 |
100,000 |
90,000 |
85,000 |
78,000 |
50,000 |
35,000 |
GIA 50分鑽石價格
（圓形鑽石／以下鑽石報價不定時調整，實際報價需來店洽詢／來店另有優惠）
| |
IF |
VVS1 |
VVS2 |
VS1 |
VS2 |
SI1 |
SI2 |
SI3 |
I1 |
I2 |
I3 |
| D |
111,000 |
87,000 |
81,000 |
73,000 |
68,000 |
56,000 |
45,000 |
40,000 |
35,000 |
26,000 |
18,000 |
| E |
87,000 |
80,000 |
73,000 |
68,000 |
62,000 |
53,000 |
42,000 |
38,000 |
34,000 |
24,000 |
16,000 |
| F |
75,000 |
73,000 |
70,000 |
65,000 |
58,500 |
49,000 |
40,000 |
36,500 |
32,000 |
23,000 |
16,000 |
| G |
68,000 |
65,000 |
62,000 |
61,000 |
56,000 |
48,000 |
38,000 |
35,000 |
30,000 |
21,000 |
15,000 |
| H |
64,000 |
58,500 |
57,000 |
56,000 |
54,000 |
46,000 |
36,500 |
34,000 |
28,500 |
19,000 |
13,000 |
| I |
56,000 |
49,000 |
48,000 |
46,000 |
45,000 |
40,000 |
33,500 |
32,000 |
26,000 |
18,000 |
13,000 |
| J |
46,000 |
43,000 |
42,000 |
40,000 |
38,000 |
37,000 |
32,000 |
30,000 |
24,000 |
18,000 |
12,000 |
| K |
38,000 |
35,000 |
34,000 |
33,500 |
32,000 |
30,000 |
28,500 |
24,000 |
21,000 |
16,000 |
12,000 |
| L |
34,000 |
32,000 |
30,500 |
30,000 |
28,500 |
27,000 |
26,000 |
21,000 |
18,000 |
15,000 |
9,500 |
| M |
30,500 |
28,500 |
27,000 |
27,000 |
26,000 |
24,000 |
23,000 |
18,000 |
15,000 |
12,000 |
8,000 |
GIA 30分鑽石價格
（圓形鑽石／以下鑽石報價不定時調整，實際報價需來店洽詢／來店另有優惠）
| |
IF |
VVS1 |
VVS2 |
VS1 |
VS2 |
SI1 |
SI2 |
SI3 |
I1 |
I2 |
I3 |
| D |
39,000 |
30,500 |
28,500 |
26,500 |
26,000 |
22,500 |
19,500 |
17,000 |
15,000 |
11,000 |
7,000 |
| E |
29,500 |
28,000 |
26,000 |
25,000 |
24,000 |
22,000 |
18,500 |
16,000 |
15,000 |
10,000 |
6,000 |
| F |
27,000 |
26,000 |
25,000 |
24,000 |
23,000 |
21,000 |
18,000 |
15,000 |
13,000 |
9,000 |
6,000 |
| G |
26,000 |
25,000 |
24,000 |
23,000 |
22,000 |
20,000 |
17,000 |
14,000 |
12,000 |
8,000 |
5,000 |
| H |
24,000 |
23,000 |
22,000 |
21,000 |
20,000 |
18,000 |
16,000 |
13,000 |
11,000 |
8,000 |
5,000 |
| I |
22,000 |
21,000 |
20,000 |
18,500 |
18,000 |
17,000 |
15,000 |
12,000 |
10,000 |
7,000 |
5,000 |
| J |
20,000 |
18,500 |
18,000 |
17,000 |
16,000 |
15,000 |
14,000 |
11,000 |
9,000 |
7,000 |
4,000 |
| K |
17,500 |
17,000 |
16,000 |
15,000 |
14,000 |
13,000 |
12,000 |
10,000 |
8,000 |
6,000 |
4,000 |
| L |
16,000 |
15,000 |
15,000 |
14,000 |
13,000 |
12,000 |
10,000 |
9,000 |
6,000 |
5,000 |
3,000 |
| M |
15,000 |
14,000 |
14,000 |
13,000 |
12,000 |
11,000 |
9,000 |
8,000 |
5,000 |
4,000 |
3,000 |
