Loose Diamonds: Natural & Lab-Grown
Updated November 4, 2026
| Date | November 9, 2026 at 4:00 PM EST |
| Type | Online only |
| Auction house | Robinhood Auctions |
| Lots | 288 |
| Estimates | $330 – $60,000 |
What's in this auction
288 lots, mostly jewelry & watches (288). 288 lots have photos. Pre-sale estimates $330–$60,000 across 288 priced lots. Bidding is online through the auction house's catalog, closing November 9, 2026.
Highest-estimated lots
- Natural 3.5 ct, Color K/VVS1 GIA Graded Diamond — est. $30,000–$60,000
- Natural 1.71 ct, Color F/SI2 GIA Graded Diamond — est. $14,250–$28,500
- Natural 1.5 ct, Color G/SI1 GIA Graded Diamond — est. $12,000–$24,000
- Natural 2.02 ct, Color L/VS2 GIA Graded Diamond — est. $11,250–$22,500
- Natural 1.7 ct, Color E/SI1 GIA Graded Diamond — est. $10,500–$21,000
From the auction house
Upcoming auction: Loose Diamonds: Natural & Lab-Grown. Full catalog and bidding: view on invaluable .
View the full catalog and register to bid →
In this auction (288 lots)
Categories: Jewelry & Watches (288)
- Lot 1 — Lab Grown 1.82 ct, Color F/VS2 IGI Graded Diamond
- Lot 2 — Lab Grown 2.08 ct, Color F/VS1 IGI Graded Diamond
- Lot 3 — Natural 3.01 ct, Color Fancy Deep Brownish Orangy Yellow/ GIA Graded Diamond
- Lot 4 — Lab Grown 3.54 ct, Color F/VS1 IGI Graded Diamond
- Lot 5 — Lab 2.08 ct, Color D/VVS2 IGI Graded Diamond
- Lot 6 — Natural 0.73 ct, Color F/VS1 GIA Graded Diamond
- Lot 7 — Lab Grown 2.02 ct, Color E/VVS2 IGI Graded Diamond
- Lot 8 — Lab Grown 2.51 ct, Color F/VS1 IGI Graded Diamond
- Lot 9 — Natural 1.5 ct, Color K/VS1 GIA Graded Diamond
- Lot 10 — Natural 1.5 ct, Color L/VS1 GIA Graded Diamond
- Lot 11 — Natural 0.87 ct, Color M, Faint Brown/VVS1 GIA Graded Diamond
- Lot 12 — Lab Grown 2.02 ct, Color E/VVS2 IGI Graded Diamond
- Lot 13 — Lab Grown 2.51 ct, Color D/VS 1 IGI Graded Diamond
- Lot 14 — Natural 1.16 ct, Color F/SI2 IGI Graded Diamond
- Lot 15 — Lab 2.09 ct, Color E/VVS2 IGI Graded Diamond
- Lot 16 — Natural 1 ct, Color J/I1 GIA Graded Diamond
- Lot 17 — Lab Grown 2.03 ct, Color E/VVS2 IGI Graded Diamond
- Lot 18 — Lab Grown 2.02 ct, Color F/VS1 IGI Graded Diamond
- Lot 19 — Lab Grown 5.09 ct, Color F/VS 1 IGI Graded Diamond
- Lot 20 — Lab Grown 3.01 ct, Color D/VS1 IGI Graded Diamond
- Lot 21 — Lab Grown 2.58 ct, Color E/VS1 IGI Graded Diamond
- Lot 22 — Lab Grown 2.58 ct, Color E/VS1 IGI Graded Diamond
- Lot 23 — Lab 2.09 ct, Color E/VVS2 IGI Graded Diamond
- Lot 24 — Lab 2.57 ct, Color E/VVS2 IGI Graded Diamond
- Lot 25 — Lab Grown 1.13 ct, Color F/VS1 IGI Graded Diamond
- Lot 26 — Lab 2.04 ct, Color D/VVS2 IGI Graded Diamond
- Lot 27 — Lab Grown 1.09 ct, Color E/VS1 IGI Graded Diamond
- Lot 28 — Natural 0.9 ct, Color F/SI2 GIA Graded Diamond
- Lot 29 — Lab Grown 1.51 ct, Color E/VVS2 IGI Graded Diamond
- Lot 30 — Lab Grown 2.05 ct, Color E/VVS2 IGI Graded Diamond
- Lot 31 — Lab 2 ct, Color E/VS1 IGI Graded Diamond
- Lot 32 — Lab 2 ct, Color E/VVS2 IGI Graded Diamond
- Lot 33 — Natural 1.07 ct, Color Fancy Deep Brownish Greenish Yellow/ GIA Graded Diamond
- Lot 34 — Lab Grown 2.01 ct, Color F/VS2 IGI Graded Diamond
- Lot 35 — Lab Grown 1.07 ct, Color F/VS2 IGI Graded Diamond
- Lot 36 — Natural 0.84 ct, Color G/VVS2 GIA Graded Diamond
- Lot 37 — Lab 2.05 ct, Color E/VVS2 IGI Graded Diamond
- Lot 38 — Lab Grown 3.09 ct, Color E/VS1 IGI Graded Diamond
- Lot 39 — Lab Grown 2.06 ct, Color E/VS1 IGI Graded Diamond
- Lot 40 — Lab 2 ct, Color D/VVS2 IGI Graded Diamond
- Lot 41 — Lab 2.03 ct, Color E/VVS2 IGI Graded Diamond
- Lot 42 — Lab Grown 1.51 ct, Color E/VS1 IGI Graded Diamond
- Lot 43 — Natural 0.7 ct, Color D/SI1 GIA Graded Diamond
- Lot 44 — Natural 1.03 ct, Color D/SI2 GIA Graded Diamond
- Lot 45 — Lab Grown 1.54 ct, Color E/VS2 IGI Graded Diamond
- Lot 46 — Lab Grown 1.73 ct, Color F/VS1 IGI Graded Diamond
- Lot 47 — Lab Grown 4.04 ct, Color F/VS1 IGI Graded Diamond
- Lot 48 — Natural 1.5 ct, Color H/SI2 HRD Graded Diamond
- Lot 86 — Lab 2.72 ct F/VS1 IGI Graded Diamond
- Lot 87 — Natural 1.7 ct, Color E/SI1 GIA Graded Diamond
- Lot 274 — Natural 0.86 ct, Color H/I1 GIA Graded Diamond
- Lot 49 — Lab Grown 3.02 ct, Color F/VS1 IGI Graded Diamond
- Lot 50 — Lab Grown 1.54 ct, Color F/VS1 IGI Graded Diamond
- Lot 51 — Natural 1.53 ct, Color K/VVS2 HRD Graded Diamond
- Lot 52 — Lab Grown 1.59 ct, Color D/VVS2 IGI Graded Diamond
- Lot 53 — Lab Grown 1.62 ct, Color G/VS1 IGI Graded Diamond
- Lot 54 — Lab Grown 3.22 ct, Color E/VS1 IGI Graded Diamond
- Lot 55 — Lab Grown 5.02 ct, Color G/VS1 IGI Graded Diamond
- Lot 56 — Natural 1.01 ct, Color G/VS1 GIA Graded Diamond
- Lot 57 — Lab Grown 3.25 ct, Color E/VS1 IGI Graded Diamond
- Lot 58 — Lab Grown 3.01 ct, Color E/VS1 IGI Graded Diamond
- Lot 59 — Lab Grown 7.02 ct, Color F/VS1 IGI Graded Diamond
- Lot 60 — Lab Grown 2.03 ct, Color E/VS2 IGI Graded Diamond
- Lot 61 — Lab Grown 2.1 ct, Color E/VS2 IGI Graded Diamond
- Lot 62 — Lab Grown 1.5 ct, Color F/VS1 IGI Graded Diamond
- Lot 63 — Lab Grown 2.79 ct, Color E/VVS2 IGI Graded Diamond
- Lot 64 — Natural 1.5 ct, Color K/VVS2 GIA Graded Diamond
- Lot 65 — Natural 0.9 ct, Color E/SI1 GIA Graded Diamond
- Lot 66 — Lab 2.55 ct, Color D/VS1 IGI Graded Diamond
- Lot 67 — Lab Grown 2.14 ct, Color F/VS1 IGI Graded Diamond
- Lot 68 — Natural 0.9 ct, Color K/VS1 GIA Graded Diamond
- Lot 69 — Lab 2.02 ct, Color E/VVS2 IGI Graded Diamond
- Lot 70 — Lab Grown 3.02 ct, Color E/VVS2 IGI Graded Diamond
- Lot 71 — Natural 1.71 ct, Color F/SI2 GIA Graded Diamond
- Lot 72 — Lab Grown 10.03 ct, Color G/VS1 IGI Graded Diamond
- Lot 73 — Lab Grown 3.06 ct, Color F/VS1 IGI Graded Diamond
- Lot 74 — Lab Grown 1 ct, Color E/VS2 IGI Graded Diamond
- Lot 75 — Lab Grown 1.72 ct, Color G/VS1 IGI Graded Diamond
- Lot 76 — Natural 1 ct, Color D/SI2 GIA Graded Diamond
- Lot 77 — Lab Grown 2.04 ct, Color F/VS1 IGI Graded Diamond
- Lot 78 — Lab Grown 3.05 ct, Color F/VVS2 IGI Graded Diamond
- Lot 79 — Lab Grown 2.01 ct, Color G/VS1 IGI Graded Diamond
- Lot 80 — Lab Grown 1.2 ct, Color D/VS1 IGI Graded Diamond
- Lot 81 — Lab 2.05 ct, Color E/VVS2 IGI Graded Diamond
- Lot 82 — Lab Grown 2.02 ct, Color G/VVS2 IGI Graded Diamond
- Lot 83 — Lab Grown 2.83 ct, Color E/VS1 IGI Graded Diamond
- Lot 84 — Lab Grown 2.07 ct, Color E/VVS2 IGI Graded Diamond
- Lot 85 — Natural 1 ct, Color F/I1 GIA Graded Diamond
- Lot 88 — Lab Grown 2.11 ct, Color F/VS1 IGI Graded Diamond
- Lot 89 — Lab Grown 1.01 ct, Color D/VVS2 IGI Graded Diamond
- Lot 90 — Lab Grown 1.03 ct, Color F/VVS2 IGI Graded Diamond
- Lot 91 — Natural 0.9 ct, Color G/VS1 GIA Graded Diamond
- Lot 92 — Lab Grown 2.74 ct, Color E/VS1 IGI Graded Diamond
- Lot 93 — Lab Grown 2.2 ct, Color E/VS2 IGI Graded Diamond
- Lot 94 — Lab Grown 2.02 ct, Color D/VS1 IGI Graded Diamond
- Lot 95 — Lab Grown 1.47 ct, Color F/VS1 IGI Graded Diamond
- Lot 96 — Lab Grown 2.07 ct, Color F/VS1 IGI Graded Diamond
- Lot 97 — Lab Grown 1.52 ct, Color E/VS1 IGI Graded Diamond
- Lot 98 — Lab Grown 1.33 ct, Color E/VS1 IGI Graded Diamond
- Lot 99 — Lab Grown 3.52 ct, Color F/VS1 IGI Graded Diamond
- Lot 100 — Lab Grown 1.5 ct, Color F/VS2 IGI Graded Diamond
- Lot 101 — Lab 2.04 ct, Color E/VVS2 IGI Graded Diamond
- Lot 102 — Lab Grown 2.51 ct, Color F/VS1 IGI Graded Diamond
- Lot 103 — Natural 2 ct, Color M/SI2 GIA Graded Diamond
- Lot 104 — Lab Grown 2.05 ct, Color E/VVS2 IGI Graded Diamond
- Lot 105 — Lab Grown 3.51 ct, Color F/VS1 IGI Graded Diamond
- Lot 106 — Lab Grown 3.29 ct, Color E/VS2 IGI Graded Diamond
- Lot 107 — Lab Grown 2.05 ct, Color D/VVS2 IGI Graded Diamond
- Lot 108 — Lab Grown 3.02 ct, Color D/VVS2 IGI Graded Diamond
- Lot 109 — Lab Grown 2.01 ct, Color E/VS1 IGI Graded Diamond
- Lot 110 — Lab Grown 2.03 ct, Color E/VS1 IGI Graded Diamond
- Lot 111 — Natural 0.8 ct, Color E/VS2 GIA Graded Diamond
- Lot 112 — Lab Grown 1.7 ct, Color F/VS1 IGI Graded Diamond
- Lot 113 — Lab Grown 3.54 ct, Color F/VS1 IGI Graded Diamond
- Lot 114 — Lab Grown 3.2 ct, Color E/VS1 IGI Graded Diamond
- Lot 115 — Natural 0.95 ct, Color H/SI2 GIA Graded Diamond
- Lot 116 — Lab Grown 1.87 ct, Color D/VS1 IGI Graded Diamond
- Lot 117 — Lab Grown 10.07 ct, Color F/VVS2 IGI Graded Diamond
- Lot 118 — Lab Grown 3.26 ct, Color E/VS1 IGI Graded Diamond
- Lot 119 — Lab Grown 1.14 ct, Color E/VS1 IGI Graded Diamond
- Lot 120 — Lab Grown 2.05 ct, Color E/VS1 IGI Graded Diamond
- Lot 121 — Lab Grown 4.03 ct, Color E/VS1 IGI Graded Diamond
- Lot 122 — Lab Grown 1.54 ct, Color D/VS2 IGI Graded Diamond
- Lot 123 — Lab Grown 1.08 ct, Color D/VS2 IGI Graded Diamond
- Lot 124 — Lab Grown 3.4 ct, Color D/VS1 IGI Graded Diamond
- Lot 125 — Lab Grown 2.89 ct, Color E/VS1 IGI Graded Diamond
- Lot 126 — Lab Grown 2.01 ct, Color E/VS1 IGI Graded Diamond
- Lot 127 — Lab Grown 1.55 ct, Color E/VS1 IGI Graded Diamond
- Lot 128 — Natural 0.72 ct, Color G/VVS2 GIA Graded Diamond
- Lot 129 — Lab Grown 1.59 ct, Color E/VS1 IGI Graded Diamond
- Lot 130 — Lab Grown 3.51 ct, Color FVP/VS2 IGI Graded Diamond
- Lot 131 — Lab 2 ct, Color E/VVS2 IGI Graded Diamond
- Lot 132 — Lab Grown 1.02 ct, Color E/VVS2 IGI Graded Diamond
- Lot 133 — Lab Grown 2.03 ct, Color E/VVS2 IGI Graded Diamond
- Lot 134 — Lab Grown 1.52 ct, Color E/VVS2 IGI Graded Diamond
- Lot 135 — Lab Grown 2.93 ct, Color E/VS1 IGI Graded Diamond
- Lot 136 — Natural 0.5 ct, Color G/SI2 GIA Graded Diamond
- Lot 137 — Lab 2 ct, Color E/VS1 IGI Graded Diamond
- Lot 138 — Lab Grown 1.53 ct, Color E/VS2 IGI Graded Diamond
- Lot 139 — Lab Grown 1.1 ct, Color G/VVS2 IGI Graded Diamond
- Lot 140 — Lab Grown 1.5 ct, Color F/VS1 IGI Graded Diamond
- Lot 141 — Lab Grown 1.09 ct, Color G/VVS2 IGI Graded Diamond
- Lot 142 — Natural 1 ct, Color F/VS1 GIA Graded Diamond
- Lot 143 — Lab Grown 2.02 ct, Color F/VS2 IGI Graded Diamond
- Lot 144 — Lab Grown 1.57 ct, Color D/VVS2 IGI Graded Diamond
- Lot 145 — Lab Grown 1.92 ct, Color F/VS1 IGI Graded Diamond
- Lot 146 — Lab Grown 2.5 ct, Color E/VS1 IGI Graded Diamond
- Lot 147 — Lab Grown 2.02 ct, Color F/VS1 IGI Graded Diamond
- Lot 148 — Lab Grown 2.07 ct, Color F/VS1 IGI Graded Diamond
- Lot 149 — Lab Grown 2.01 ct, Color F/VS2 IGI Graded Diamond
- … and 138 more lots
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