The Regent Vault-In House Gem Auction

A fine 14.5-carat Arkansas smokey quartz cut into a buff top faceted shield shape. Natural, transparent, and eye-clean, it features a deep, dark brown

An 18.5-carat Arkansas smokey quartz with faceted cushion styling. Natural and untreated, it displays a rich dark brown body color with complete trans

A collection of eight carnelian cabochons totaling 35.9 carats in assorted shapes. Natural, opaque, and untreated, these stones display warm orange hu

A parcel of 57 small round faceted blue sapphires totaling 2.3 carats. Completely untreated and eye-clean, these stones offer bright blue transparency

A 1.5-carat ammolite oval cushion cut triplet displaying vibrant green and yellow iridescence with natural inclusions. Opaque and untreated, this Cana

A substantial 90.5-carat Bahai pink quartz cut into a smooth rectangular cabochon. Opaque with a delicate pink hue and natural crystal fractures, this

A 24.3-carat Madagascar labradorite cut into a triangular cabochon. Displaying labradorescence across rust, yellow, and green tones, this opaque natur

A matching pair of translucent aquamarine pear-shape cabochons totaling 13 carats. Featuring soft blue coloration with slight crystal inclusions, thes

A 23.5-carat natural jade stone intricately hand-carved into the shape of a fish. Opaque with a warm yellow-green body color and natural inclusions, i

A suite of six round cabochon guava quartz stones totaling 7.9 carats. Featuring a rich pink hue and natural inclusions, these opaque, untreated caboc

A collection of 18 assorted faceted tanzanites totaling 3 carats in various cuts (marquise, oval, trillion, pear). Transparent and eye-clean with vivi

A massive 41.6-carat lab-created emerald cut into a classic rectangular faceted shape. Showcasing an intense green color profile with exceptional eye-

A 10-carat lab-created tanzanite fashioned into a trillion faceted cut. Transparent and eye-clean, it delivers rich blue-purple color saturation with

A matched pair of Peruvian chrysocolla trapezoid cabochons totaling 56.2 carats. Untreated and opaque, these blue gemstones feature rich natural inclu

A pair of Brazilian light green amethyst stones totaling 3.82 carats, cut into square cushion faceted shapes. Transparent and eye-clean with no treatm

A pair of green nephrite jade oval cabochons totaling 17.4 carats. Opaque and untreated, featuring natural black chromium inclusions throughout. Estim

A set of 9 oval faceted mystic topaz gemstones totaling 3 carats. Displaying a rainbow color effect achieved through titanium oxide electroplating, th

A single 35.8-carat piece of natural Polish amber in an organic shape. Transparent with authentic insect and debris inclusions, untreated. Estimated r

A collection of 11 oval cabochon garnets totaling 6.4 carats. Transparent and eye-clean with a deep red color profile, completely untreated. Estimated

A trio of lab-created blue aquamarines totaling 5.9 carats, cut into trillion faceted shapes. Transparent with eye-clean clarity. Estimated retail val