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Gemstones

Gemstones

A loose emerald radiant cut spinel in a rich purple blue tone.

At Aide-mémoire, we are committed to offering only responsibly sourced stones.

Our collection includes a stunning range of recycled natural and lab-grown diamonds and gemstones, including Diamond Foundry lab-grown diamonds. Many of the gems in this catalog are kept in stock. If you're looking for a size or cut not listed, feel free to contact us with your specifications. In many cases, we can source additional options. A sourcing fee may apply.

If you're drawn to color, sapphires are an excellent choice. Naturally durable and available in every color of the rainbow, they come in both soft and vibrant tones.

Please note while browsing our Gemstone Collection:

  • Colors may appear differently depending on your screen settings
  • Colored stones may shift in hue under different lighting
  • Unless marked as unheated, natural sapphires have been heat-treated only and have not undergone additional treatments

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164 products

4mm Round Peach Padparadscha Sapphire - 1016404mm Round Peach Padparadscha Sapphire - 101640
4mm Round Tanzanian Sapphires - 102840-C4mm Round Tanzanian Sapphires - 102840-C
4mm Teal Moissanite - 117840
5.15mm .53ct Fancy Vivid Pink Round Brilliant Lab-grown Diamond - 115150-B5.15mm .53ct Fancy Vivid Pink Round Brilliant Lab-grown Diamond - 115150-B
5.2mm Recycled Salt & Pepper Diamond - 1150525.2mm Recycled Salt & Pepper Diamond - 115052
5.3mm Rose Cut Salt & Pepper Champagne Australian Diamond - 1143535.3mm Rose Cut Salt & Pepper Champagne Australian Diamond - 114353
5.3mm Round Salt & Pepper Gray Moissanite5.3mm Round Salt & Pepper Gray Moissanite
5.6mm Rose Cut Salt & Pepper Champagne Australian Diamond - 114356-B5.6mm Rose Cut Salt & Pepper Champagne Australian Diamond - 114356-B
5.78mm Rose Cut Salt & Pepper Champagne Australian Diamond 1.06ct - 1090605.78mm Rose Cut Salt & Pepper Champagne Australian Diamond 1.06ct - 109060
5.7mm Rose Cut Salt & Pepper Champagne Australian Diamond - 1143575.7mm Rose Cut Salt & Pepper Champagne Australian Diamond - 114357
A loose 5.9mm round Mozambique spinel in a grey blue color.
5.95x4mm Green Emerald Cut Australian Sapphire- 117964-1
5mm Blue Recycled Sapphire - 108950
5mm Checkerboard Top Black Spinel5mm Checkerboard Top Black Spinel
5mm Cushion Cut Malawi Sapphire - 103950
5mm Cushion Cut Malawi Sapphire - 1062505mm Cushion Cut Malawi Sapphire - 106250
5mm Cushion Cut Salt & Pepper Gray Moissanite - 115050-A
5mm Cushion Cut Salt & Pepper Gray Moissanite - 115050-B5mm Cushion Cut Salt & Pepper Gray Moissanite - 115050-B
5mm Fair Trade Grey Blue/Green Tanzanian Sapphire - 102950-A5mm Fair Trade Grey Blue/Green Tanzanian Sapphire - 102950-A
5mm Lab-grown Paraiba Spinel - 1120505mm Lab-grown Paraiba Spinel - 112050
5mm Light Peach Montana Sapphire - 1042505mm Light Peach Montana Sapphire - 104250
5mm Malawi Sapphire - 109550-A5mm Malawi Sapphire - 109550-A
5mm Malawi Sapphire - 1131505mm Malawi Sapphire - 113150
5mm Old European Cut Moissanite5mm Old European Cut Moissanite
5mm Pale Champagne Fair Trade Tanzanian Sapphire - 102950-B5mm Pale Champagne Fair Trade Tanzanian Sapphire - 102950-B
A round brilliant Australian sapphire in a 5mm diameter size. The stone is a saturated olive green tone.A round brilliant Australian sapphire in a 5mm diameter size. The stone is a saturated olive green tone.
5mm Round Black Spinel - 1060505mm Round Black Spinel - 106050
5mm Round Blue Green Australian Sapphire- 117750-B5mm Round Blue Green Australian Sapphire- 117750-B
5mm Round Brilliant Recycled Natural Diamond 117450
5mm Round Green Moissanite 1182505mm Round Green Moissanite 118250
5mm Round Idaho Garnet- 1001505mm Round Idaho Garnet- 100150
5mm Round Lab-grown Dark Blue Sapphire - 153950
5mm Round Lab-grown Green Sapphire - 1183505mm Round Lab-grown Green Sapphire - 118350
5mm Round Lab-grown Orange Sapphire - 1181505mm Round Lab-grown Orange Sapphire - 118150
5mm Round Lab-grown Padparadscha Sapphire - 101950
5mm Round Lab-grown Purple Sapphire - 8014350
5mm Round Portugese Cut Fair Trade Malawi Sapphire - 1045505mm Round Portugese Cut Fair Trade Malawi Sapphire - 104550
5mm Round Salt & Pepper Gray Moissanite - 114950-A5mm Round Salt & Pepper Gray Moissanite - 114950-A
5mm Round Salt & Pepper Gray Moissanite - 114950-B
5mm Round Salt & Pepper Gray Moissanite - 114950-C
5mm Round Yellow-Green Australian Sapphire - 114850-B
5mm Teal Moissanite - 117850
5mm Unheated Tanzanian Sapphire - 1123505mm Unheated Tanzanian Sapphire - 112350
5mm Unheated Tanzanian Sapphire - 1124505mm Unheated Tanzanian Sapphire - 112450
6.34x4.3mm Olive Green Oval Lab-grown 0.51ct Diamond - SOLD
6.77x5.08mm Light Olive Green Oval Australian Sapphire - 115275-C6.77x5.08mm Light Olive Green Oval Australian Sapphire - 115275-C

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