| The Blush Diamond Pendant | jessicamccormack.com | 10750000 GBP | — | — |
| Tempest 17.11ct Pear-Shaped Diamond Pendant | jessicamccormack.com | 2400000 GBP | — | — |
| 7.50ct Pear-Shaped Diamond Gypset Hoop Earrings | jessicamccormack.com | 1600000 GBP | — | — |
| Asymmetric 9ct Oval Ruby & Diamond Hoop Earrings | jessicamccormack.com | 1500000 GBP | — | — |
| Signature 53ct Diamond Button Back Necklace | us.jessicamccormack.com | 1390000 USD | — | — |
| Georgian Loop 9.33ct Oval Diamond Ring | us.jessicamccormack.com | 1325000 USD | — | — |
| 9.50ct Snowdrop Diamond Ring | jessicamccormack.com | 1100000 GBP | — | — |
| Diamond Chandelier Earrings | us.jessicamccormack.com | 1045000 USD | — | — |
| Signature 53ct Diamond Button Back Necklace | jessicamccormack.com | 1000000 GBP | — | — |
| 6.23ct Oval Diamond & White Gold Gypset Hoop Earrings | us.jessicamccormack.com | 905000 USD | — | — |
| Georgian Loop 9.33ct Oval Diamond Ring | jessicamccormack.com | 900000 GBP | — | — |
| Ball n Chain 7.59ct Heart-Shaped Diamond Pendant | jessicamccormack.com | 850000 GBP | — | — |
| Ball n Chain Multi-shape Diamond Earrings | us.jessicamccormack.com | 835000 USD | — | — |
| Ball n Chain 9.01ct Diamond Pendant | jessicamccormack.com | 800000 GBP | — | — |
| Signature Ruby Heart Button Back Necklace | us.jessicamccormack.com | 775000 USD | — | — |
| 8.08ct Oval Diamond & White Gold Button Back Ring | jessicamccormack.com | 760000 GBP | — | — |
| Marquise Diamond Coil Bracelet | jessicamccormack.com | 750000 GBP | — | — |
| Diamond Hitch Knot Earrings | jessicamccormack.com | 680000 GBP | — | — |
| Signature Ruby Heart Button Back Necklace | jessicamccormack.com | 675000 GBP | — | — |
| 10.48ct East-West Emerald Cut Diamond Button Back Ring | us.jessicamccormack.com | 670000 USD | — | — |
| Carmela Diamond Spaghetti Necklace | jessicamccormack.com | 650000 GBP | — | — |
| Carmela Diamond Spaghetti Necklace | us.jessicamccormack.com | 650000 USD | — | — |
| Rush Hour 'Til Late Diamond Torque | jessicamccormack.com | 650000 GBP | — | — |
| 6.23ct Oval Diamond & White Gold Gypset Hoop Earrings | jessicamccormack.com | 650000 GBP | — | — |
| Asymmetric Multi-Shape Diamond Gypset Hoop Earrings | us.jessicamccormack.com | 630000 USD | — | — |
| Diamond Chandelier Earrings | jessicamccormack.com | 625000 GBP | — | — |
| 7.13ct Ribbon Cushion Diamond Ring | jessicamccormack.com | 600000 GBP | — | — |
| Tempest 7.13ct Cushion Cut Diamond Pendant | jessicamccormack.com | 600000 GBP | — | — |
| Ball n Chain Multi-Shape Diamond Earrings | jessicamccormack.com | 600000 GBP | — | — |
| Signature 42ct Diamond Button Back Necklace | us.jessicamccormack.com | 550000 USD | — | — |
| 1774 Diamond Bracelet | jessicamccormack.com | 500000 GBP | — | — |
| 7.01ct Cushion Diamond Button Back Ring | us.jessicamccormack.com | 460000 USD | — | — |
| Oval Diamond Torque Necklace | us.jessicamccormack.com | 455000 USD | — | — |
| Oval Diamond Torque Necklace | jessicamccormack.com | 450000 GBP | — | — |
| Signature Multi-Shape Diamond Button Back 32" Necklace | us.jessicamccormack.com | 405000 USD | — | — |
| 6.54ct Oval Diamond & White Gold Button Back Ring | us.jessicamccormack.com | 405000 USD | — | — |
| 4.33ct Tilted Pear Diamond Button Back Ring | us.jessicamccormack.com | 365000 USD | — | — |
| Tempest 8.59ct Oval Cut Diamond Pendant | jessicamccormack.com | 350000 GBP | — | — |
| Ball n Chain 7.02ct Emerald Cut Diamond Pendant | us.jessicamccormack.com | 350000 USD | — | — |
| Ball n Chain 5.03ct Oval Diamond Pendant | us.jessicamccormack.com | 335000 USD | — | — |