Flower Engagement Rings: A Blooming Symbol of Love and Romance
When it comes to picking out an engagement ring, there’s something truly enchanting about the choice of a flower design. Not only do these rings bring a touch of nature’s…
Table 3. Average cost of all 17 stones based on their grading and the premium or discount[1] that their certificates attract.
Stone # | GIA-GTL | AGSL | EGL USA | ||
Price | Price | Diff. to GIA | Price | Diff. to GIA | |
1 | $2,576 | $2,296 | -11% | $2,458 | -5% |
2 | $2,922 | $2,922 | 0% | $2,758 | -6% |
3 | $4,248 | $4,426 | 4% | $3,634 | -14% |
4 | $4,540 | $4,541 | 0% | $3,925 | -14% |
5 | $1,522 | $1,456 | -4% | $1,527 | 0% |
6 | $1,496 | $1,964 | 31% | $1,478 | -1% |
7 | $2,075 | $1,915 | -8% | $1,707 | -18% |
8 | $1,607 | $1,501 | -7% | $1,569 | -2% |
9 | $2,058 | $2,219 | 8% | $1,696 | -18% |
10 | $2,453 | $2,212 | -10% | ||
11 | $2,952 | $2,668 | -10% | $2,624 | -11% |
12 | $2,653 | $2,398 | -10% | $2,103 | -21% |
13 | $2,152 | $2,152 | 0% | $2,137 | -1% |
14 | $4,127 | $5,907 | 43% | $4,716 | 14% |
15 | $8,451 | $7,264 | -14% | $6,739 | -20% |
16 | $8,255 | $7,708 | -7% | $6,323 | -23% |
17 | $2,246 | $2,047 | -9% | $1,892 | -16% |
Average | $3,314 | $3,337 | 1% | $2,912 | -10% |
Stone # | |
---|---|
1 | |
GIA-GTL Price |
$2,576 |
AGSL Price |
$2,296 |
AGSL Diff. to GIA |
-11% |
EGL USA Price |
$2,458 |
EGL USA Diff. to GIA |
-5% |
2 | |
GIA-GTL Price |
$2,922 |
AGSL Price |
$2,922 |
AGSL Diff. to GIA |
0% |
EGL USA Price |
$2,758 |
EGL USA Diff. to GIA |
-6% |
3 | |
GIA-GTL Price |
$4,248 |
AGSL Price |
$4,426 |
AGSL Diff. to GIA |
4% |
EGL USA Price |
$3,634 |
EGL USA Diff. to GIA |
-14% |
4 | |
GIA-GTL Price |
$4,540 |
AGSL Price |
$4,541 |
AGSL Diff. to GIA |
0% |
EGL USA Price |
$3,925 |
EGL USA Diff. to GIA |
-14% |
5 | |
GIA-GTL Price |
$1,522 |
AGSL Price |
$1,456 |
AGSL Diff. to GIA |
-4% |
EGL USA Price |
$1,527 |
EGL USA Diff. to GIA |
0% |
6 | |
GIA-GTL Price |
$1,496 |
AGSL Price |
$1,964 |
AGSL Diff. to GIA |
31% |
EGL USA Price |
$1,478 |
EGL USA Diff. to GIA |
-1% |
7 | |
GIA-GTL Price |
$2,075 |
AGSL Price |
$1,915 |
AGSL Diff. to GIA |
-8% |
EGL USA Price |
$1,707 |
EGL USA Diff. to GIA |
-18% |
8 | |
GIA-GTL Price |
$1,607 |
AGSL Price |
$1,501 |
AGSL Diff. to GIA |
-7% |
EGL USA Price |
$1,569 |
EGL USA Diff. to GIA |
-2% |
9 | |
GIA-GTL Price |
$2,058 |
AGSL Price |
$2,219 |
AGSL Diff. to GIA |
8% |
EGL USA Price |
$1,696 |
EGL USA Diff. to GIA |
-18% |
10 | |
GIA-GTL Price |
$2,453 |
AGSL Price |
|
AGSL Diff. to GIA |
|
EGL USA Price |
$2,212 |
EGL USA Diff. to GIA |
-10% |
11 | |
GIA-GTL Price |
$2,952 |
AGSL Price |
$2,668 |
AGSL Diff. to GIA |
-10% |
EGL USA Price |
$2,624 |
EGL USA Diff. to GIA |
-11% |
12 | |
GIA-GTL Price |
$2,653 |
AGSL Price |
$2,398 |
AGSL Diff. to GIA |
-10% |
EGL USA Price |
$2,103 |
EGL USA Diff. to GIA |
-21% |
13 | |
GIA-GTL Price |
$2,152 |
AGSL Price |
$2,152 |
AGSL Diff. to GIA |
0% |
EGL USA Price |
$2,137 |
EGL USA Diff. to GIA |
-1% |
14 | |
GIA-GTL Price |
$4,127 |
AGSL Price |
$5,907 |
AGSL Diff. to GIA |
43% |
EGL USA Price |
$4,716 |
EGL USA Diff. to GIA |
14% |
15 | |
GIA-GTL Price |
$8,451 |
AGSL Price |
$7,264 |
AGSL Diff. to GIA |
-14% |
EGL USA Price |
$6,739 |
EGL USA Diff. to GIA |
-20% |
16 | |
GIA-GTL Price |
$8,255 |
AGSL Price |
$7,708 |
AGSL Diff. to GIA |
-7% |
EGL USA Price |
$6,323 |
EGL USA Diff. to GIA |
-23% |
17 | |
GIA-GTL Price |
$2,246 |
AGSL Price |
$2,047 |
AGSL Diff. to GIA |
-9% |
EGL USA Price |
$1,892 |
EGL USA Diff. to GIA |
-16% |
Average | |
GIA-GTL Price |
$3,314 |
AGSL Price |
$3,337 |
AGSL Diff. to GIA |
1% |
EGL USA Price |
$2,912 |
EGL USA Diff. to GIA |
-10% |
Figure 3. Price differences compared to similar GIA-GTL graded diamonds. Each positive or negative difference on the chart corresponds to higher or lower prices for similar diamonds listed for sale with respective reports.
Figure 4. 56% of the surveyed diamonds would cost less if sold with AGS rather than GIA reports, mainly as a result of stricter clarity grading 80% of the diamonds would cost less if bought with EGL rather than GIA reports. Discounting of EGL graded diamonds was greater than any premiums as a result of softer color grading.