GRS Reports in Auction Catalogues
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Number of GRS Reports appearing at internationally recognized prestigious auctions, sorted according to place of appearance.


Total world-wide published GRS Reports at the auction houses of Christie´s and Sotheby´s.


Total of GRS Reports appearing at prestigious auctions, sorted by year.

Details of items and GRS certificates published in auction catalogues (sorted by categories)


Species and Varieties


Lots
Alexandrite 569 (5.06 ct.) | 32 (5.15 ct.) | 2049 (20.27 ct.) | 419 (30.12 ct.) |
Sri Lanka Alexandrite 2049 (20.27 ct.) |
Cat's Eye Alexandrite 2050 (7.2 ct.) |
Cat's Eye Chrysoberyl 870 (8.19 ct.) | 2193 (43.38 ct.) |
Emerald 386 | 824 (3.5 ct.) | 224 (3.5 ct.) | 2284 (4.1 ct.) | 133 (6.79 ct.) | 240 (8.21 ct.) | 426 (11.04 ct.) | 163 (12.75 ct.) | 343 (14.63 ct.) | 177 (15.4 ct.) |
Colombia Emerald 386 | 824 (3.5 ct.) | 224 (3.5 ct.) | 2284 (4.1 ct.) | 133 (6.79 ct.) | 240 (8.21 ct.) | 426 (11.04 ct.) | 163 (12.75 ct.) | 343 (14.63 ct.) | 177 (15.4 ct.) |
Peridot 138 (9.12 ct.) | 92 (53.21 ct.) | 241 (63.72 ct.) | 232 (64.56 ct.) |
Burma Peridot 138 (9.12 ct.) | 92 (53.21 ct.) | 241 (63.72 ct.) | 232 (64.56 ct.) |
Pink Tourmaline 78 (15 ct.) |
Spinel 291 (3.02 ct.) | 113 (3.48 ct.) | 370 (4.09 ct.) | 1860 (5.14 ct.) | 111 (6.9 ct.) | 71 (8.15 ct.) | 1147 (8.5 ct.) | 433 (9 ct.) | 2390 (9.1 ct.) | 145 (10.38 ct.) | 220 (11.71 ct.) | 79 (12.68 ct.) | 132 (39.66 ct.) |
Burma Spinel 113 (3.48 ct.) | 71 (8.15 ct.) |
Tsavorite 214 (5.81 ct.) |


Ruby & Sapphire


Lots
Color-changing Sapphire 1177 (8.98 ct.) |
Sri Lanka Color-changing Sapphire 1177 (8.98 ct.) |
Fancy Colored Sapphires 499 (7.36 ct.) |
Orange Sapphire 82 (5.22 ct.) |
Pink Sapphire 212 (3.9 ct.) | 43 (6.52 ct.) | 327 (6.96 ct.) |
Burma Pink Sapphire 43 (6.52 ct.) |
Purple Sapphire 1181 (9.57 ct.) | 95 (18.18 ct.) | 291 (18.28 ct.) |
Burma Purple Sapphire 95 (18.18 ct.) | 291 (18.28 ct.) |
Sri Lanka Purple Sapphire 1181 (9.57 ct.) |
Purplish-pink Sapphire 66 (4.39 ct.) | 131 (4.39 ct.) |
Sri Lanka Purplish-pink Sapphire 66 (4.39 ct.) | 131 (4.39 ct.) |
Ruby 1393 | 1603 | 91 | 106 | 111 | 152 | 327 | 104 | 266 | 2036 (1.11 ct.) | 448 (1.14 ct.) | 1009 (1.22 ct.) | 1009 (1.32 ct.) | 140 (1.35 ct.) | 2127 (1.74 ct.) | 999 (2.01 ct.) | 434 (2.02 ct.) | 2187 (2.03 ct.) | 2067 (2.06 ct.) | 2187 (2.08 ct.) | 520 (2.08 ct.) | 2224 (2.18 ct.) | 1000 (2.24 ct.) | 1523 (2.27 ct.) | 150 (2.27 ct.) | 150 (2.5 ct.) | 213 (2.5 ct.) | 868 (2.5 ct.) | 264 (2.51 ct.) | 337 (2.9 ct.) | 26 (2.9 ct.) | 1001 (3.01 ct.) | 209 (3.02 ct.) | 82 (3.02 ct.) | 209 (3.04 ct.) | 19 (3.07 ct.) | 562 (3.07 ct.) | 1856 (3.07 ct.) | 270 (3.08 ct.) | 265 (3.08 ct.) | 207 (3.08 ct.) | 666 (3.09 ct.) | 304 (3.12 ct.) | 822 (3.16 ct.) | 249 (3.35 ct.) | 1442 (3.35 ct.) | 1033 (3.36 ct.) | 954 (3.38 ct.) | 2072 (3.4 ct.) | 230 (3.59 ct.) | 1890 (3.7 ct.) | 336 (3.7 ct.) | 83 (3.82 ct.) | 232 (4 ct.) | 258 (4.01 ct.) | 135 (4.02 ct.) | 611 (4.02 ct.) | 1031 (4.02 ct.) | 619 (4.03 ct.) | 984 (4.03 ct.) | 265 (4.1 ct.) | 690 (4.19 ct.) | 1530 (4.27 ct.) | 2193 (4.56 ct.) | 96 (5.01 ct.) | 1188 (5.01 ct.) | 994 (5.03 ct.) | 1244 (5.1 ct.) | 352 (5.14 ct.) | 243 (5.16 ct.) | 868 (5.17 ct.) | 177 (5.25 ct.) | 222 (5.28 ct.) | 270 (5.5 ct.) | 994 (5.64 ct.) | 2192 (5.95 ct.) | 1038 (6.06 ct.) | 1035 (6.06 ct.) | 796 (6.16 ct.) | 1351 (6.54 ct.) | 1887 (6.62 ct.) | 867 (6.65 ct.) | 796 (6.66 ct.) | 309 (6.72 ct.) | 646 (6.8 ct.) | 150 (6.87 ct.) | 159 (6.93 ct.) | 303 (6.96 ct.) | 677 (7 ct.) | 1435 (7.02 ct.) | 195 (7.05 ct.) | 285 (7.1 ct.) | 994 (7.37 ct.) | 994 (7.56 ct.) | 874 (7.56 ct.) | 59 (7.6 ct.) | 2132 (7.72 ct.) | 1732 (7.9 ct.) | 24 (7.99 ct.) | 240 (8.01 ct.) | 116 (8.02 ct.) | 200 (8.03 ct.) | 1449 (8.03 ct.) | 1432 (8.05 ct.) | 75 (8.11 ct.) | 1100 (8.11 ct.) | 406 (8.19 ct.) | 271 (8.3 ct.) | 999 (8.33 ct.) | 295 (8.67 ct.) | 160 (9.02 ct.) | 39 (9.03 ct.) | 1066 (10.04 ct.) | 875 (10.11 ct.) | 2395 (10.12 ct.) | 226 (10.22 ct.) | 140 (10.5 ct.) | 429 (10.72 ct.) | 297 (10.96 ct.) | 239 (12.78 ct.) | 909 (12.85 ct.) | 821 (14.05 ct.) | 413 (14.16 ct.) | 2394 (14.63 ct.) | 994 (15.03 ct.) | 418 (16.03 ct.) | 2263 (18.83 ct.) | 1531 (20.2 ct.) | 50 (20.24 ct.) | 459 (22.54 ct.) | 1039 (22.57 ct.) | 971 (23.55 ct.) | 25 (24.16 ct.) | 348 (30.74 ct.) | 461 (32.42 ct.) | 480 (32.67 ct.) | 2130 (53.92 ct.) | 1620 (66.25 ct.) | 1101 (86.52 ct.) | 869 (87.43 ct.) | 710 (89.93 ct.) | 1046 (94.2 ct.) |
Afghanistan Ruby 213 (2.5 ct.) |
Burma (Mogok) Ruby 140 (1.35 ct.) | 337 (2.9 ct.) | 822 (3.16 ct.) | 461 (32.42 ct.) |
Burma Ruby 1393 | 1603 | 104 | 266 | 2036 (1.11 ct.) | 1009 (1.22 ct.) | 1009 (1.32 ct.) | 2127 (1.74 ct.) | 999 (2.01 ct.) | 434 (2.02 ct.) | 2067 (2.06 ct.) | 2187 (2.08 ct.) | 520 (2.08 ct.) | 2224 (2.18 ct.) | 1000 (2.24 ct.) | 1523 (2.27 ct.) | 150 (2.27 ct.) | 150 (2.5 ct.) | 868 (2.5 ct.) | 26 (2.9 ct.) | 1001 (3.01 ct.) | 209 (3.02 ct.) | 82 (3.02 ct.) | 209 (3.04 ct.) | 19 (3.07 ct.) | 562 (3.07 ct.) | 1856 (3.07 ct.) | 270 (3.08 ct.) | 265 (3.08 ct.) | 207 (3.08 ct.) | 304 (3.12 ct.) | 249 (3.35 ct.) | 1442 (3.35 ct.) | 1033 (3.36 ct.) | 954 (3.38 ct.) | 2072 (3.4 ct.) | 230 (3.59 ct.) | 1890 (3.7 ct.) | 83 (3.82 ct.) | 232 (4 ct.) | 258 (4.01 ct.) | 135 (4.02 ct.) | 611 (4.02 ct.) | 1031 (4.02 ct.) | 619 (4.03 ct.) | 984 (4.03 ct.) | 265 (4.1 ct.) | 690 (4.19 ct.) | 1530 (4.27 ct.) | 2193 (4.56 ct.) | 96 (5.01 ct.) | 1188 (5.01 ct.) | 994 (5.03 ct.) | 1244 (5.1 ct.) | 352 (5.14 ct.) | 243 (5.16 ct.) | 868 (5.17 ct.) | 177 (5.25 ct.) | 222 (5.28 ct.) | 270 (5.5 ct.) | 994 (5.64 ct.) | 2192 (5.95 ct.) | 1038 (6.06 ct.) | 1035 (6.06 ct.) | 796 (6.16 ct.) | 1351 (6.54 ct.) | 1887 (6.62 ct.) | 867 (6.65 ct.) | 796 (6.66 ct.) | 309 (6.72 ct.) | 646 (6.8 ct.) | 150 (6.87 ct.) | 303 (6.96 ct.) | 677 (7 ct.) | 1435 (7.02 ct.) | 195 (7.05 ct.) | 285 (7.1 ct.) | 994 (7.37 ct.) | 994 (7.56 ct.) | 874 (7.56 ct.) | 59 (7.6 ct.) | 2132 (7.72 ct.) | 1732 (7.9 ct.) | 24 (7.99 ct.) | 240 (8.01 ct.) | 116 (8.02 ct.) | 200 (8.03 ct.) | 1449 (8.03 ct.) | 1432 (8.05 ct.) | 75 (8.11 ct.) | 1100 (8.11 ct.) | 406 (8.19 ct.) | 271 (8.3 ct.) | 999 (8.33 ct.) | 160 (9.02 ct.) | 39 (9.03 ct.) | 1066 (10.04 ct.) | 875 (10.11 ct.) | 2395 (10.12 ct.) | 226 (10.22 ct.) | 140 (10.5 ct.) | 429 (10.72 ct.) | 297 (10.96 ct.) | 239 (12.78 ct.) | 909 (12.85 ct.) | 994 (15.03 ct.) | 418 (16.03 ct.) | 2263 (18.83 ct.) | 1531 (20.2 ct.) | 50 (20.24 ct.) | 459 (22.54 ct.) | 1039 (22.57 ct.) | 971 (23.55 ct.) | 25 (24.16 ct.) | 348 (30.74 ct.) | 480 (32.67 ct.) | 2130 (53.92 ct.) | 1620 (66.25 ct.) | 1101 (86.52 ct.) | 869 (87.43 ct.) | 710 (89.93 ct.) | 1046 (94.2 ct.) |
Thailand Ruby 413 (14.16 ct.) |
Sapphire 208 | 196 | 199 | 75 (1.98 ct.) | 167 (2.44 ct.) | 162 (2.8 ct.) | 79 (3.14 ct.) | 221 (3.53 ct.) | 555 (3.53 ct.) | 163 (3.59 ct.) | 164 (3.84 ct.) | 633 (3.88 ct.) | 96 (4.85 ct.) | 418 (4.99 ct.) | 166 (5.02 ct.) | 504 (5.14 ct.) | 49 (5.71 ct.) | 314 (6 ct.) | 89 (6.17 ct.) | 1436 (6.22 ct.) | 174 (6.35 ct.) | 416 (6.37 ct.) | 2191 (6.4 ct.) | 132 (6.46 ct.) | 81 (6.47 ct.) | 208 (6.47 ct.) | 2128 (6.54 ct.) | 1740 (6.55 ct.) | 57 (6.61 ct.) | 117 (6.65 ct.) | 21 (6.93 ct.) | 554 (6.93 ct.) | 341 (7.01 ct.) | 459 (7.04 ct.) | 363 (7.14 ct.) | 233 (7.2 ct.) | 838 (7.23 ct.) | 111 (7.42 ct.) | 219 (7.5 ct.) | 285 (7.74 ct.) | 681 (7.87 ct.) | 2191 (8.06 ct.) | 172 (8.06 ct.) | 331 (8.8 ct.) | 1197 (8.99 ct.) | 105 (9 ct.) | 103 (9.09 ct.) | 103 (9.21 ct.) | 485 (9.29 ct.) | 669 (9.34 ct.) | 23 (9.5 ct.) | 1446 (9.7 ct.) | 341 (10.01 ct.) | 191 (10.02 ct.) | 226 (10.22 ct.) | 226 (10.22 ct.) | 486 (10.26 ct.) | 193 (10.26 ct.) | 337 (10.3 ct.) | 337 (10.3 ct.) | 122 (10.59 ct.) | 954 (10.59 ct.) | 53 (10.71 ct.) | 347 (10.76 ct.) | 216 (10.76 ct.) | 993 (10.92 ct.) | 622 (11.02 ct.) | 1737 (11.05 ct.) | 993 (11.6 ct.) | 238 (11.79 ct.) | 211 (11.79 ct.) | 652 (11.8 ct.) | 696 (11.97 ct.) | 33 (12.05 ct.) | 77 (12.15 ct.) | 49 (12.35 ct.) | 138 (12.5 ct.) | 2393 (12.62 ct.) | 281 (13.04 ct.) | 254 (13.08 ct.) | 18 (13.13 ct.) | 246 (13.13 ct.) | 108 (13.21 ct.) | 69 (13.42 ct.) | 215 (13.9 ct.) | 2301 (14.37 ct.) | 177 (14.91 ct.) | 695 (15.6 ct.) | 224 (15.62 ct.) | 323 (15.67 ct.) | 25 (16 ct.) | 248 (16.12 ct.) | 113 (16.22 ct.) | 193 (16.57 ct.) | 400 (17.15 ct.) | 1445 (17.19 ct.) | 237 (18.11 ct.) | 1200 (20.85 ct.) | 349 (21.3 ct.) | 57 (21.55 ct.) | 425 (22.14 ct.) | 243 (22.92 ct.) | 631 (22.94 ct.) | 292 (23.14 ct.) | 191 (23.45 ct.) | 330 (23.45 ct.) | 168 (24.48 ct.) | 636 (25.3 ct.) | 166 (26.74 ct.) | 66 (29.2 ct.) | 2498 (31.35 ct.) | 231 (31.97 ct.) | 40 (34.7 ct.) | 10 (44.55 ct.) | 44 (52.6 ct.) | 1046 (58.51 ct.) | 406 (58.97 ct.) | 1538 (69.5 ct.) | 306 (109.45 ct.) |
Burma Sapphire 199 | 162 (2.8 ct.) | 221 (3.53 ct.) | 555 (3.53 ct.) | 96 (4.85 ct.) | 166 (5.02 ct.) | 504 (5.14 ct.) | 49 (5.71 ct.) | 1436 (6.22 ct.) | 174 (6.35 ct.) | 208 (6.47 ct.) | 2128 (6.54 ct.) | 1740 (6.55 ct.) | 57 (6.61 ct.) | 21 (6.93 ct.) | 554 (6.93 ct.) | 219 (7.5 ct.) | 285 (7.74 ct.) | 681 (7.87 ct.) | 2191 (8.06 ct.) | 172 (8.06 ct.) | 1197 (8.99 ct.) | 105 (9 ct.) | 103 (9.09 ct.) | 103 (9.21 ct.) | 485 (9.29 ct.) | 23 (9.5 ct.) | 1446 (9.7 ct.) | 191 (10.02 ct.) | 226 (10.22 ct.) | 337 (10.3 ct.) | 954 (10.59 ct.) | 53 (10.71 ct.) | 993 (10.92 ct.) | 1737 (11.05 ct.) | 993 (11.6 ct.) | 238 (11.79 ct.) | 211 (11.79 ct.) | 652 (11.8 ct.) | 696 (11.97 ct.) | 33 (12.05 ct.) | 77 (12.15 ct.) | 49 (12.35 ct.) | 138 (12.5 ct.) | 254 (13.08 ct.) | 18 (13.13 ct.) | 246 (13.13 ct.) | 108 (13.21 ct.) | 69 (13.42 ct.) | 215 (13.9 ct.) | 2301 (14.37 ct.) | 177 (14.91 ct.) | 695 (15.6 ct.) | 224 (15.62 ct.) | 25 (16 ct.) | 248 (16.12 ct.) | 113 (16.22 ct.) | 1445 (17.19 ct.) | 237 (18.11 ct.) | 1200 (20.85 ct.) | 243 (22.92 ct.) | 292 (23.14 ct.) | 191 (23.45 ct.) | 330 (23.45 ct.) | 168 (24.48 ct.) | 166 (26.74 ct.) | 66 (29.2 ct.) | 2498 (31.35 ct.) | 10 (44.55 ct.) | 1046 (58.51 ct.) | 406 (58.97 ct.) | 1538 (69.5 ct.) | 306 (109.45 ct.) |
Kashmir Sapphire 633 (3.88 ct.) | 416 (6.37 ct.) |
Madagascar Sapphire 132 (6.46 ct.) | 838 (7.23 ct.) | 669 (9.34 ct.) | 193 (16.57 ct.) | 400 (17.15 ct.) |
Sri Lanka Sapphire 89 (6.17 ct.) | 117 (6.65 ct.) | 341 (7.01 ct.) | 233 (7.2 ct.) | 111 (7.42 ct.) | 331 (8.8 ct.) | 486 (10.26 ct.) | 193 (10.26 ct.) | 2393 (12.62 ct.) | 323 (15.67 ct.) | 57 (21.55 ct.) | 631 (22.94 ct.) | 40 (34.7 ct.) | 44 (52.6 ct.) |
Star Ruby 1031 (6 ct.) | 434 (10.85 ct.) | 204 (12.01 ct.) | 660 (12.01 ct.) | 856 (12.11 ct.) |
Burma Star Ruby 1031 (6 ct.) | 434 (10.85 ct.) | 204 (12.01 ct.) | 660 (12.01 ct.) | 856 (12.11 ct.) |
Star Sapphire 1445 (5 ct.) | 2120 (22.21 ct.) | 623 (30.18 ct.) |
Burma Star Sapphire 1445 (5 ct.) |
Sri Lanka Star Sapphire 2120 (22.21 ct.) |
Yellow Sapphire 259 (12.33 ct.) | 175 (21.52 ct.) |
Sri Lanka Yellow Sapphire 175 (21.52 ct.) |


Special Descriptions


DescriptionsLots
Attractive 103 (9.21 ct.) | 103 (9.09 ct.) | 304 (3.12 ct.) | 44 (52.6 ct.) | 569 (5.06 ct.) | 677 (7 ct.) | 32 (5.15 ct.) | 710 (89.93 ct.) |
Charming 1523 (2.27 ct.) |
Elegant 2191 (6.4 ct.) | 2191 (8.06 ct.) | 434 (10.85 ct.) |
Exquisite 1046 (58.51 ct.) |
Fine 406 (8.19 ct.) | 243 (22.92 ct.) | 330 (23.45 ct.) | 303 (6.96 ct.) | 82 (3.02 ct.) | 160 (9.02 ct.) | 562 (3.07 ct.) | 177 (15.4 ct.) | 681 (7.87 ct.) | 695 (15.6 ct.) | 1033 (3.36 ct.) | 660 (12.01 ct.) | 1038 (6.06 ct.) | 1035 (6.06 ct.) | 337 (2.9 ct.) |
Highly Important 796 (6.16 ct.) |
Important 1351 (6.54 ct.) | 2130 (53.92 ct.) | 2193 (4.56 ct.) | 195 (7.05 ct.) | 285 (7.1 ct.) | 631 (22.94 ct.) | 39 (9.03 ct.) | 1856 (3.07 ct.) | 874 (7.56 ct.) | 461 (32.42 ct.) |
Impressive 1732 (7.9 ct.) | 429 (10.72 ct.) | 425 (22.14 ct.) | 459 (22.54 ct.) | 265 (4.1 ct.) |
Lovely 499 (7.36 ct.) |
Magnificent 406 (58.97 ct.) | 1066 (10.04 ct.) |
Pretty 666 (3.09 ct.) | 690 (4.19 ct.) |
Rare 2192 (5.95 ct.) | 796 (6.66 ct.) |
Spectacular 1046 (94.2 ct.) |
Stylish 696 (11.97 ct.) |
Superb 2263 (18.83 ct.) | 480 (32.67 ct.) |
Very Fine 240 (8.01 ct.) | 140 (1.35 ct.) |


Heated


Lots
Purple Sapphire 1181 (9.57 ct.) |
Ruby 348 (30.74 ct.) | 971 (23.55 ct.) | 1531 (20.2 ct.) | 413 (14.16 ct.) | 909 (12.85 ct.) | 1100 (8.11 ct.) | 1432 (8.05 ct.) | 309 (6.72 ct.) | 619 (4.03 ct.) | 232 (4 ct.) | 230 (3.59 ct.) | 2224 (2.18 ct.) | 2187 (2.08 ct.) | 520 (2.08 ct.) | 2187 (2.03 ct.) | 2036 (1.11 ct.) |
Sapphire 57 (21.55 ct.) | 111 (7.42 ct.) |


Color


ColorLots
Padparadscha Fancy Colored Sapphires 499 (7.36 ct.) |
Pigeon's Blood Ruby 1039 (22.57 ct.) | 1449 (8.03 ct.) | 240 (8.01 ct.) | 1435 (7.02 ct.) | 1035 (6.06 ct.) | 2192 (5.95 ct.) | 1244 (5.1 ct.) | 1188 (5.01 ct.) | 984 (4.03 ct.) | 2072 (3.4 ct.) | 1442 (3.35 ct.) | 1001 (3.01 ct.) | 2067 (2.06 ct.) | 140 (1.35 ct.) |
Royal Blue Sapphire 330 (23.45 ct.) | 2191 (8.06 ct.) |



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