| 6.61ct Blue Mulanje Sapphire Oval | columbiagemhouse.com | 23796 USD | — | — |
| 2.78ct Medium Blue Mulanje Sapphire Checkerboard Cushion | columbiagemhouse.com | 7784 USD | — | — |
| 3.38ct AAA Blue Mulanje Sapphire Brilliant Emerald Cut | columbiagemhouse.com | 6084 USD | — | — |
| 7.41ct Green Tourmaline Concave Cushion | columbiagemhouse.com | 5928 USD | — | — |
| 9.11ct Bi-Color Pastel Tourmaline Elongated Emerald Cut | columbiagemhouse.com | 5466 USD | — | — |
| 1.77ct Purple Madagascar Sapphire Brilliant Emerald Cut | columbiagemhouse.com | 5310 USD | — | — |
| 5.70ct Color Change Sphene Pear | columbiagemhouse.com | 4987.5 USD | — | — |
| 7.81ct A Aquamarine Concave Trillion | columbiagemhouse.com | 4686 USD | — | — |
| 1.81ct Green Montana Sapphire Oval | columbiagemhouse.com | 4525 USD | — | — |
| 5.79ct Seafoam Tourmaline® Emerald Cut | columbiagemhouse.com | 4053 USD | — | — |
| 1.52ct Teal Mulanje Sapphire Trillion | columbiagemhouse.com | 3420 USD | — | — |
| 1.88ct Medium Blue Mulanje Sapphire Oval | columbiagemhouse.com | 3290 USD | — | — |
| 1.87ct Fancy Bi-Color Mulanje Sapphire Emerald Cut | columbiagemhouse.com | 3038.75 USD | — | — |
| 1.18ct Dark Green Australian Sapphire Woz™ Cut | columbiagemhouse.com | 2950 USD | — | — |
| 2.32ct Play of Color Mexican Fire Opal Oval Cab | columbiagemhouse.com | 2900 USD | — | — |
| 4.68ct Green Seafoam Tourmaline® Elongated Emerald Cut | columbiagemhouse.com | 2632.5 USD | — | — |
| 3mm Round Fire Citrine® Square Mount Ring in 14k Rose Gold | columbiagemhouse.com | 2066 USD | — | — |
| 3.23ct Green Seafoam Tourmaline® Elongated Emerald Cut | columbiagemhouse.com | 1817 USD | — | — |
| 2.72ct Seafoam Tourmaline® Cushion | columbiagemhouse.com | 1700 USD | — | — |
| 2.24ct Color Change Sphene Pear | columbiagemhouse.com | 1680 USD | — | — |
| 8.72ct Mozambique Garnet Cathedral | columbiagemhouse.com | 1635 USD | — | — |
| 3.5mm Round Aquamarine 14k yellow gold Suite | columbiagemhouse.com | 1464 USD | — | — |
| 8.78ct Yellow Mexican Fire Opal Oval | columbiagemhouse.com | 1426.75 USD | — | — |
| 0.62ct Pink Montana Sapphire Emerald Cut | columbiagemhouse.com | 1395 USD | — | — |
| 2.20ct Nigerian Aquamarine Hexagon | columbiagemhouse.com | 1375 USD | — | — |
| 2.13ct Light Green Tourmaline Trillion | columbiagemhouse.com | 958.5 USD | — | — |
| 6.35ct Liberian Ruby Rose Cut Pear | columbiagemhouse.com | 952.5 USD | — | — |
| 5mm Gem Blue Mulanje Sapphire Trillions | columbiagemhouse.com | 900 USD | — | — |
| 5.12ct Liberian Ruby Rose Cut Pear | columbiagemhouse.com | 768 USD | — | — |
| 1.77ct Green Seafoam Tourmaline® Emerald Cut | columbiagemhouse.com | 663.75 USD | — | — |
| 7.32ct AA Iris Amethyst® Brilliant Emerald Cut | columbiagemhouse.com | 549 USD | — | — |
| 9.51ct Brazilian Lavender Quartz Oval | columbiagemhouse.com | 390 USD | — | — |
| 14x10mm Rutilated Quartz Checkerboard Ovals - Light Rutile | columbiagemhouse.com | 153 USD | — | — |
| 4mm Snowdrift Agate Round Bead Strands | columbiagemhouse.com | 150 USD | — | — |
| Indian Red Agate Polished Baroque Bead Strands | columbiagemhouse.com | 135 USD | — | — |
| 14x10 to 16x12mm Clear Quartz Emerald Portrait Cuts | columbiagemhouse.com | 120 USD | — | — |
| 14x10 to 16x12mm Clear Quartz Oval Portrait Cuts | columbiagemhouse.com | 90 USD | — | — |
| 3x1.5mm AA Dark Brazilian Emerald Marquise | columbiagemhouse.com | 84 USD | — | — |
| 3mm Medium Green Australian Sapphire Round Cabs | columbiagemhouse.com | 57 USD | — | — |
| 6x3 to 8x4mm Oregon Opal Marquise | columbiagemhouse.com | 45 USD | — | — |