Two-tone emerald-cut tourmaline of 4.41 ct. modified from bluish-green to slightly orange-pink. Presence of natural inclusions. Small chips. Netherlands Gemmologue Laboratory report, February 11, 2022, no. E19305.
Dimensions: 9.98 x 8.99 x 5.58 mm.

Pair of light green cushion-cut Colombian emeralds of 1.43 and 1.52 ct. showing traces of minor treatment. Rodrigo Giraldo reports of 11/09/2017 n° 005821 and 05/09/2017 n° 005658.
Dimensions: 7.23 x 7.14 x 4.99 mm. and 7.53 x 7.13 x 4.92 mm.

Hexagonal opaque faceted dome emerald, 15.93 ct. Presence of treated bedrock.
Dimensions: 15.90 x 15.71 x 9.11 mm.

Cushion-cut verdelite tourmaline, 0.65 ct. Pale blue-green color with beautiful transparency. ALGT report of January 16, 2023, no. 24214007.
Dimensions: 5.88 x 4.93 x 3.25 mm.

Lot consisting of carnelian, mainly cabochon-cut from 1.4 to 2.3 cm, two pieces of malachite, lapis lazuli niccolos from 0.7 to 1.8 cm, marcasite for antique jewelry restoration, various sizes of onyx ribbon, turquoise cabochons and beads (including imitation). Cameos and citrines are included. The stones are in very good condition, although some have been loosened and show minor damage. Lot from a jeweler's workshop.

Lot consisting of seven Y-Z diamonds, SI clarity, each approx. 0.11 ct. for a total of 0.80 ct. and 2.45 ct. of yellow sapphires and one violet. Small chips.
Average diamond diameter: 3 mm.

Very brilliant oval orange-yellow sapphire, 0.74 ct. Very slight inclusions probably of crystalline origin, very transparent stone.
Dimensions: 5.85 x 4.84 x 2.91 mm.

1.23 ct. square emerald-cut natural sapphire with a beautiful yellow-orange color. Slightly chipped.
Dimensions: 5.26 x 5.63 x 4.04 mm.

Lot consisting of five Y-Z color diamonds, SI clarity, each approx. 0.11 ct. for a total of 0.58 ct. and 3.16 ct. of yellow sapphires and one pale pink. Small chips.
Average diamond diameter: 3 mm.

Tourmaline of 1.71 ct. of yellow color tending to brown and light green mixed cushion cut of a beautiful transparency. ALGT report dated January 17, 2023, no. 19563288.
Dimensions: 6.59 x 6.58 x 4.67 mm.

Lot of four small emerald-cut yellow sapphires totaling 1.05 ct. Scratches.
Average size: 4 x 3 x 1.8 mm.

Unheated "color change" sapphire, 1.49 ct., ranging from orange-brown-yellow to intense purple-pink. Emerald cut. AGLT report of September 20, 2021, no. 41311418.
Dimensions: 7.08 x 5.60 x 3.47 mm.

Bicolor rectangle-cut tourmaline of 1.34 ct. ranging from orange-pink to green-yellow, very beautiful transparency. ALGT report dated April 27, 2022, no. 42159203.
Dimensions: 6.58 x 5.72 x 4.21 mm.

This lot includes an oval amethyst of 1.09 ct. and lots of tanzanites of 3 mm (0.57 ct.) and 2 to 2.2 mm (1.06 ct.) in violet to very light gray, suggesting that the stones are unheated. 
Amethyst dimensions: 7.99 x 6.05 x 4.05 mm.

Lot of seven mixed oval sapphires in intense orange-yellow hues. Beautiful transparency. Heated and treated stones. Sealed stones accompanied by ALGT report nr. 72453127 dated January 3, 2023. 
Each stone weighs approx. 0.76 ct. 
Total weight of the lot: 5.38 ct.

0.88 ct. pear-cut, two-tone blue and green heated natural sapphire with excellent transparency and a saturated but clear, luminous color.
Dimensions: 6.81 x 4.99 x 3.21 mm.

Natural emerald-cut 0.81 ct. bright green Colombian emerald with moderate oil treatment and minor dings around the rim. ALGT report dated March 23, 2022, no. 99138660.
Dimensions: 6.28 x 5.30 x 2.88 mm.

Natural red spinel of 3.06 ct. with a beautiful intense purple color. Mixed cushion cut giving the stone great transparency, with a frost that is not flush. Probable origin Myanmar (Burma). ALGT report nr. 45750692 dated December 11, 2023.
Dimensions: 11.26 x 8.22 x 3.84 mm.

Superb topaz, 48.32 ct., very transparent, with a very light blue-green hue. Of mixed oval shape, it is very well cut and shows great light reflection around the rim, giving the impression of a moving river. It is accompanied by an ALGT report nr. 25255689 dated December 11, 2023.
Dimensions: 22.06 x 18.86 x 15.00 mm.

Beautiful set of pearls, including numerous keshis pearls with a beautiful luster and large size, two of which are set in 18k (750 thousandths) gold. A piece of silver jewelry. White and colored rice beads and a few button beads.

Set of beads including a large double mabe bead, 3.3 cm. long, a Mississippi butterfly wing bead, 2.8 cm. long, six drop-shaped Akoya beads, an assortment of round to semi-round truncated and untruncated beads, reused and unused keshis beads.

Set of pearls including portions of strings of round to semi-round Akoya pearls with beautiful luster, some drop-shaped, round to semi-round pearls of various qualities, purple-tinted freshwater pearls, Tahitian half-pearls, some pierced keshis pearls.

Lot composed of diamond chips and small rose-cut diamonds as well as pierced and unperforated micro pearls, whole and half pearls. The lot containing the largest rose-cut diamonds weighs 4.34 ct. This lot is ideal for restoring 18th and 19th century jewelry.

Set of first- and second-hand round, semi-round and baroque freshwater pearls, beautifully lustrous round Akoya pearls, dyed and extinguished brown pearls.

Set of gray and colored Tahitian pearls, round, semi-round and drop-shaped tinted pearls. Pearls lined with mother-of-pearl. Small 3 mm Akoya pearls.