RAPAPORT DIAMOND REPORT

1 RAPAPORT : (.50 - .69 CT.) : ROUNDSRAPAPORT : (.70 - .89 CT.) : RAPAPORT : (.30 - .39 CT.) :ROUNDSRAPAPORT : (.40 - .49 CT.) may trade at discount, may trade at 7% to 12% premium.,) 996 96 6, 6, 6, , , , ,) 996 96 6, 6, 6, , , , D-FG-HI-JK-LM-ND-FG-HI-JK-LM-ND-FG-HI-JK -LM-N It is illegal and unethical to reproduce this price sheet. Please do not make copies. Prices in this REPORT reflect our opinion of HIGH CASH ASKING PRICES. These prices are often discounted and may be substantially higher than actual transaction prices. No guarantees are made and no liabilities are assumed as to the accuracy or validity of this information by RAPAPORT USA Inc. All rights reserved. Reproduction in any form is strictly DIAMOND REPORT ,) 996 96 6, 6, 6, , , , ,) 996 96 6, 6, 6, , , , D-FG-HI-JK-LM-ND-FG-HI-JK-LM-ND-FG-HI-JK -LM-N,) 996 96 6, 6, 6, , , , ,) 996 96 6, 6, 6, , , , - may trade at 7% to 10% premiums over : ,) 996 996 96 96 6, 6, 6, , , , ,) 996 996 96 96 6, 6, 6, , , , DEFGHIJKLMDEFGHIJKLMDEFGHIJKLM,) 996 996 96 96 6, 6, 6, , , , ,) 996 996 96 96 6, 6, 6, , , , RAPAPORT : (.

2 18 - .22 CT.) :ROUNDSRAPAPORT : (.23 - .29 CT.) : RAPAPORT : (.08 - .14 CT.) :ROUNDSRAPAPORT : (.15 - .17 CT.) : RAPAPORT : (.01 - .03 CT.) :ROUNDSRAPAPORT : (.04 - .07 CT.) :Round Brilliant Cut Natural Diamonds, GIA Grading Standards per " RAPAPORT Specification A3" in hundreds of US$ per 24 21 18 17 16 11 730282624 22 20 17 16 15 10 628272523 21 19 17 15 14 9 626242322 20 18 16 14 13 8 523222120 19 17 16 13 11 8 522212019 18 16 15 12 10 7 520191817 16 15 14 119 7 418171615 14 13 12 108 6 417161514 13 12 10 96 5 316151413 12 11 9 85 4 347373431 29 25 21 20 18 12 838353229 27 23 20 19 17 11 735333027 26 22 19 18 16 11 731292726 25 21 19 17 15 10 627262524 23 20 18 16 14 9 625242322 21 19 18 15 13 8 622212019 18 17 16 14 12 8 520191817 16 15 14 12 10 7 518171615 14 13 12 108

3 6 417161514 13 12 11 97 5 466554944 41 36 29 26 22 16 1152494541 39 34 28 25 21 15 1047454239 37 33 27 24 20 14 1041393837 35 32 26 23 19 13 938363534 33 31 25 22 18 12 834323130 29 27 23 21 16 11 829282726 25 24 22 20 15 11 724232221 21 20 19 17 13 10 722212019 18 17 16 13 11 9 620191817 16 15 14 119 7 587706460 55 47 39 34 30 20 1370656157 52 45 37 32 29 19 1263605653 50 43 35 30 27 18 1258535149 46 41 33 29 26 17 1153484644 42 38 31 27 24 16 1045413938 37 34 29 25 22 15 1037343332 31 29 26 23 20 14 933302827 26 24 22 19 17 13 828272524 23 22 20 16 14 11 725242322 21 20 18 14 12 9 603/13/2003/13/2003/13/2003/13/2003/13/2 003/13/2003/13/2003/13/2003/13/2003/13/2 0 News: DIAMOND industry facing severe liquidity crisis as coronavirus spreads to US.

4 Suppliers uncertain about prices as buyers push for deeperdiscounts. Jewelers holding large inventory and have scaled back polished purchases. Manufacturers are advised to stop buying rough and holdcash until conditions stabilize. Slump in oil price (-32% since Mar. 5) and stock market (Dow -10%) reducing consumer wealth and luxury Tai Fook sales -60% in Hong Kong & Macau, -42% in China. Belgium polished exports to the US -35%. Martin RAPAPORT togive DIAMOND Market Challenges webinar Thursday Mar. 19 at 10 GMT and 12 EST. Register at 13, 2020 : Volume 43 No. 11: APPROXIMATE HIGH CASH ASKING PRICE INDICATIONS : Page 1T: = : = : = : = : = : = : = : = RAPAPORT : ( - CT.) :ROUNDSRAPAPORT : ( - CT.) : RAPAPORT : (.90 - .99 CT.) :ROUNDSRAPAPORT : ( - CT.) : RAPAPORT : ( - CT.) :ROUNDSRAPAPORT : ( - CT.) :We grade SI3 as a split SI2/I1 clarity.

5 Price changes are in Bold, higher prices underlined, lower prices in welcomes price information and comments. Please email us at Brilliant Cut Natural Diamonds, GIA Grading Standards per " RAPAPORT Specification A3" in hundreds of US$ per in this REPORT reflect our opinion of HIGH CASH ASKING PRICES. These prices are often discounted and may be substantially higher than actual transaction prices. No guarantees are made and no liabilities are assumed as to the accuracy or validity of this information. by RAPAPORT USA Inc. All rights reserved. Reproduction in any form is strictly DIAMOND may trade at 5% to 10% premiums over to Ct. may trade at 5% to 10% premiums over 4/4 + may trade at 5% to 10% premium over 2 +, + may trade at 5% to 10% premium over straight sizesPrices for select excellent cut large 3-10ct+ sizes may trade at significant premiums to the Price List in speculative markets.

6 To may trade at 7% to 12% premiums over 6 : 996 996 96 96 6, 6, 6, , , , ,) 996 996 96 96 6, 6, 6, , , , DEFGHIJKLMDEFGHIJKLMDEFGHIJKLM ,) 996 996 96 96 6, 6, 6, , , , ,) 996 996 96 96 6, 6, 6, , , , DEFGHIJKLMDEFGHIJKLMDEFGHIJKLM,) 996 996 96 96 6, 6, 6, , , , ,) 996 996 96 96 6, 6, 6, , , , DEFGHIJKLMDEFGHIJKLMDEFGHIJKLM,) 996 996 96 96 6, 6, 6, , , , ,) 996 996 96 96 6, 6, 6, , , , RAPAPORT : ( - CT.) :ROUNDSRAPAPORT : ( - CT.) :130 1149885 75 65 57 47 38 22 15110 1009077 71 61 54 44 37 21 1499908072 67 58 50 42 36 20 1488807267 62 55 47 40 34 19 1378706662 58 52 44 37 32 18 1366605754 51 48 42 34 30 17 1252494745 43 41 37 30 26 16 1143413937 35 33 31 26 23 15 1038373534 32 30 27 23 20 14 935333230 29 27 24 21 17 12 8180 155 136 119 105 86 70 58 47 27 17145 134 117 108 96 82 67 56 45 26 16127 120 107 102 90 79 64 54 44 25 15107 1029590 83 74 60 52 42 24 1490858280 76 68 57 49 40 23 1476727068 66 62 53 46 36 22 1363616059 57 53 48 42 33 20 1353514947 45 43 39 36 31 18 1248464543 41 38 35 33 29 17 1143413938 36 34 30

7 28 26 16 11237 202 173 155 138 108 88 70 54 31 18203 186 159 145 128 105 85 68 51 30 17177 162 140 131 118 100 80 66 50 29 16145 136 122 114 108 95 75 64 49 28 16116 112 10398 94 89 73 60 47 27 1694908582 79 77 66 55 43 25 1579747270 67 64 58 48 38 23 1567646258 55 52 48 42 35 20 1457555349 46 44 41 38 32 19 1348464442 40 38 36 33 28 18 13370 320 270 230 195 155 120 85 68 33 19300 275 240 210 180 145 110 82 66 32 18270 250 220 190 165 135 105 79 64 31 17220 200 180 160 145 125 100 74 62 30 16170 165 155 140 125 110 95 69 59 29 16130 125 120 112 105 95 87 64 55 27 16105 1009590 85 80 72 59 51 24 1595888075 70 65 61 52 45 23 1580757065 60 56 53 47 40 22 1469666360 55 50 47 41 34 21 14610 525 430 375 310 230 175 101 82 39 21465 435 380 320 275 210 165 96 77 37 20430 400 340 300 260 190 155 91 73 36 19340 325 295 265 225 175 140 85 70 34 18260 250 235 220 185 150 130 79 67 32 17205 195 185 175 150 130 115 74 63 30 17160 150 145 135 125 110 100 69 57 28 16135 125 120 110 100 93 86 64 50 27 16105 1009590 85 82 72 54 44 26 1590 878580 75 70 60 48 37 25 15830 650 580 500 400 275 205 109 89 44 23610 560 500 450 380 260 195 104 84 42 22560 500 450 405 345 245 185 99 79 40 21440 410 380 350 290 210 170 94 74 38

8 20340 320 300 280 245 185 160 88 70 36 19260 245 230 220 185 160 140 83 67 34 18210 200 185 175 155 140 125 73 60 32 17175 165 155 145 135 115 105 67 53 30 17130 120 110 105 95 90 80 60 48 28 16110 1009590 85 80 70 53 38 27 161130 880 775 700 575 370 270 120 95 47 25820 740 680 630 520 345 255 115 90 45 24720 680 610 560 450 320 240 110 85 43 23590 550 500 460 395 280 225 105 80 41 22460 430 400 365 310 240 195 95 75 39 21350 325 310 290 250 205 170 90 70 37 20260 250 235 225 210 175 150 80 65 35 19205 190 180 170 165 145 125 75 60 32 18150 140 135 130 120 110 95 70 55 30 17125 120 115 110 105 95 80 65 50 29 171750 1300 1150 1050 890 565 390 180 110 54 291260 1150 1050 950 810 520 370 170 105 52 271110 1050 940 840 700 480 350 160 100 50 26910 880 800 700 610 420 330 150 95 48 25730 690 630 580 480 360 290 135 90 46 24540 510 490 460 400 315 260 125 85 44 23410 390 370 355 330 270 230 115 80 42 22310 300 280 270 255 210 185 105 75 40 21225 220 210 200 185 160 130 95 70 38 20190 185 180 170 160 140 115 85 60 36 1903/13/2003/13/2003/13/2003/13/2003/13/ 2003/13/2003/13/2003/13/20W: = : = : = : = : = : = : = : = : = : = : = : = : = : = : = : = 13, 2020 : Volume 43 No.

9 11: APPROXIMATE HIGH CASH ASKING PRICE INDICATIONS : Page 22020