Medieval Loose Gemstones

GIA Report #15589045 GIA Certified Marquise 3.70 Carat Natural Loose Fancy Deep Yellow SI2 Diamond Shape and Cut: Marquise Brilliant. Carat Weight: 3.70 Carat. Clarity: SI2 Measurements: 15.30x8.39x4.87mm. Color: Fancy Blue Gray...

A beautiful peridot of a rare size of 52.69ct. This stone can be made into a stunning piece of jewellery by our artisans in Geneva.

This lovely 3.53 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2022. Sue processed the rough opal herself and cut int...

A fine natural ruby of 2.17 carats, displaying a rich deep red hue with a subtle violet-purple undertone characteristic of antique Mogok material, and even saturation with no evidenc...

Bora & Co GIA Certified 0.83ct Intense Pink & Natural Diamond Ring An extraordinary expression of elegance and rarity, this exquisite creation by Bora & Co features a GIA Certified ...

This rare 12.61 Ct Australian black boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2021. Sue processed the rough opal herself and cu...

Natural GIA Yellow Diamonds: Appreciation & Collecting Natural fancy yellow diamonds have demonstrated remarkable price stability, though recent data shows short-term softness. ...

This lovely 9.42 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2022. Sue processed the rough opal herself and cut int...

The Asscher Cut is one of my favourites, and this 1.01 carat stone is beautifully displays its gorgeous clean lines and sparkle with VVS2 clarity and H colour (GIA Certified)  which ...

This exquisite 5.01ct Fancy Dark Orange Brown Diamond features a sought-after Emerald cut, certified natural and earth-mined by GIA (Report No. 5201900088). Its extraordinary fancy b...

This exquisite 1.13 carat Burma no-heat vivid red ruby is a rare and valuable gemstone, distinguished by its exceptional color and provenance. Sourced directly from the renowned mine...

This is an amazing stone! Spinel is one of the hottest stones on the market right now. Because of the increase of costs in rubies, red spinel has become more sought after. Red spin...

This lovely 8.30 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2024. Sue processed the rough opal herself and cut int...

A beautiful emerald cut light blue aquamarine weighing 49.54ct. This stone has been cut in Geneva, and its facets and symmetry are stunning and compliment the beautiful light colour.

This 1.23-carat Fancy yellow diamond offers strong collectible value due to its natural color saturation and GIA certification. In the colored diamond market, intensity directly impa...