| Liana Ring | Champagne Baguette Diamond + Hexagon Engagement Ring | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 5424 USD | 6,780 USD | −20% |
| Maeve Ring | Icy Lavender Sapphire + Round Diamond Accent Engagement Ring 1.94 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 4496 USD | 5,620 USD | −20% |
| Liana Ring | Baguette Diamond + Pear Diamond Engagement Ring 2 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 14950 USD | — | — |
| Atlas Ring | Diamond Baguette + Diamond Cluster Engagement Ring 1.00 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 9820 USD | — | — |
| Liana Ring | Grey Emerald Cut Diamond + Pear Diamond Engagement Ring | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 9800 USD | — | — |
| Fern Ring | Teal Shield Portrait Cut Montana Sapphire + Antique Diamonds Engagement Ring 3.37 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 9600 USD | — | — |
| Fern Ring | Bicolor Emerald Cut Sapphire + Antique Diamonds Engagement Ring 3.35 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 8800 USD | — | — |
| Fern Ring | Apricot Emerald Cut Sapphire + Antique Diamonds Engagement Ring 3.12 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 8800 USD | — | — |
| Nerine Ring | Transitional Cut Diamond + Diamond Cluster Engagement Ring 0.61 ct | 14k Recycled Gold | mineralogydesign.com | 8000 USD | — | — |
| Liana Ring | Champagne Trapezoid Diamond + Pear Diamond Engagement Ring 1.27 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 7930 USD | — | — |
| Selma Ring | Antique Cushion Cut Diamond + Geocut Montana Sapphire + Champagne Diamond Engagement Ring | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 7800 USD | 0 USD | — |
| Adra Ring | Emerald + Old European Cut Diamond Cluster Engagement Ring | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 7500 USD | 0 USD | — |
| Liana Ring | Mint Trapezoid Montana Sapphire + Pear Cut Diamond Engagement Ring | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 7300 USD | — | — |
| Rowan Ring | Old European Cut Diamond + Diamond Cluster Engagement Ring 0.53 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 7120 USD | — | — |
| Liana Ring | Bicolor Elongated Hexagon Sapphire + Half Moon Diamond Engagement Ring 1.62 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 7100 USD | — | — |
| Altheda Ring | Grey Geometric Cut Sapphire + Diamond Cluster Engagement Ring 2.13 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 7000 USD | — | — |
| Dahlia Ring | Champagne Pear Cut Diamond + Diamond Cluster Engagement Ring 1.17 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 7000 USD | — | — |
| Rowan Ring | Old European Cut Diamond + Diamond Cluster Engagement Ring 0.63 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 7000 USD | — | — |
| Liana Ring | Teal Emerald Cut Sapphire + Pear Diamond Engagement Ring | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6900 USD | — | — |
| Cassia Ring | Grey Hexagon Sapphire + Diamond Asymmetrical Engagement Ring 2.96 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6800 USD | — | — |
| Liana Ring | Teal Baguette Sapphire + Hexagon Diamond Engagement Ring | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6800 USD | 0 USD | — |
| Iolanthe Ring | Pale Magenta Oval Sapphire + Diamond Baguette Arch Cluster Engagement Ring | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6800 USD | 0 USD | — |
| Liana Ring | Peach Geometric Step Cut Sapphire + Round Diamond Engagement Ring 1.80 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6780 USD | — | — |
| Indra Ring | Grey Green Hexagonal Sapphire + Diamond Cluster Engagement Ring 2.18 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6730 USD | — | — |
| Liesel Ring | Grey Hexagonal Portrait Cut Sapphire + Diamond Baguette Accent Engagement Ring 3.81 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6700 USD | 0 USD | — |
| Rowan Ring | Old European Cut Diamond + Diamond Cluster Engagement Ring 0.60 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6600 USD | — | — |
| Delta Ring | Teal Sapphire + Diamond Cluster Engagement Ring 1.88 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6600 USD | — | — |
| Sireli Ring | Hexagon Bicolor Montana Sapphire + Diamond Cluster Engagement Ring 1.63 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6600 USD | — | — |
| Rowan Ring | Old European Cut Diamond + Diamond Cluster Engagement Ring 0.59 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6540 USD | — | — |
| Iona Ring | Olive Emerald Sapphire + Diamond Cluster Engagement Ring 1.87 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6500 USD | — | — |
| Fern Ring | Icy Blue Emerald Cut Sapphire + Antique Diamonds Engagement Ring 2.41 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6500 USD | — | — |
| Ilia Ring | Bicolor Orange Blue Sapphire + Diamond Cluster Engagement Ring 1.09 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6500 USD | 0 USD | — |
| Ilia Ring | Round Ochre Brown Sapphire + Diamond Cluster Engagement Ring 1.84 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6500 USD | 0 USD | — |
| Iris Ring | Light Teal Montana Sapphire + Pear Diamond Accent Engagement Ring 1.42 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6400 USD | — | — |
| Ilia Ring | Round Apricot Sapphire + Diamond Cluster Engagement Ring 2.05 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6400 USD | — | — |
| Mesa Ring | Geometric Sapphire Solitaire Engagement Ring 2.54 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6400 USD | — | — |
| Dahlia Ring | Champagne Pear Cut Diamond + Diamond Cluster Engagement Ring 1.14 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6400 USD | — | — |
| Alden Ring | Teal Sapphire Kite + Diamond Cluster Engagement Ring 1.61 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6360 USD | — | — |
| Liana Ring | Grey Sapphire + Pear Diamond Engagement Ring | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6270 USD | — | — |
| Farley Ring | Indigo Emerald Cut Sapphire Engagement Ring 2.48 ct | 14k Recycled Gold | One of a Kind | mineralogydesign.com | 6270 USD | — | — |