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Super rare vivid vibrant red spinel in heart shape 4.15 carats, Vietnam photo

Super rare vivid vibrant red spinel in heart shape 4.15 carats, Vietnam

$107,070 / 25,800/ct

Available in Istanbul

Neon pink Mahenge spinel in oval cut 6.06 ct, Tanzania photo

Neon pink Mahenge spinel in oval cut 6.06 ct, Tanzania

$31,815 / 5,250/ct

Available in Moscow

Octagon-cut cobalt blue spinel 1.05 carats, Tanzania photo

Octagon-cut cobalt blue spinel 1.05 carats, Tanzania

$4,568 / 4,350/ct

Available in Bangkok

Investment unheated Ceylon Padparadscha sapphire in cushion cut 6.17 ct, SSEF photo

Investment unheated Ceylon Padparadscha sapphire in cushion cut 6.17 ct, SSEF

$182,015 / 29,500/ct

Available in Bangkok

Unique Muzo Green emerald from Colombia in octagon cut 5.01 carats photo

Unique Muzo Green emerald from Colombia in octagon cut 5.01 carats

$54,108 / 10,800/ct

Available in Dubai

Unheated golden yellow sapphire 3.01 carats in octagon cut, Sri Lanka photo

Unheated golden yellow sapphire 3.01 carats in octagon cut, Sri Lanka

$6,983 / 2,320/ct

Available in Bangkok

Unique collector's cobalt spinel with Electric blue color in oval cut 7.10 carats, Tanzania photo

Unique collector's cobalt spinel with Electric blue color in oval cut 7.10 carats, Tanzania

$229,330 / 32,300/ct

Available in Bangkok

Vivid purple-pink Mahenge spinel in oval cut 7.05 carats, Tanzania photo

Vivid purple-pink Mahenge spinel in oval cut 7.05 carats, Tanzania

$84,600 / 12,000/ct

Available in Bangkok

Pair of untreated rubies in pear cut 5.03 carats from Mozambique photo

Pair of untreated rubies in pear cut 5.03 carats from Mozambique

$47,584 / 9,460/ct

Available in Bangkok

Neon red Mahenge spinel 4.03 ct, Lotus photo

Neon red Mahenge spinel 4.03 ct, Lotus

$28,900 / 7,171/ct

Available in Moscow

Pair of bright cushion-cut Mahenge spinels 4.11 carats, Tanzania photo

Pair of bright cushion-cut Mahenge spinels 4.11 carats, Tanzania

$31,365 / 7,631/ct

Available in Bangkok

Vivid orange Fanta color octagon cut sapphire 11.46 ct, Sri Lanka photo

Vivid orange Fanta color octagon cut sapphire 11.46 ct, Sri Lanka

$29,500 / 2,574/ct

Available in Moscow

Royal Blue pear cut sapphire 5.31 carats, Sri Lanka photo

Royal Blue pear cut sapphire 5.31 carats, Sri Lanka

$25,754 / 4,850/ct

Available in Istanbul

Rare alexandrite in oval cut with strong color change effect 4.05 ct, Sri Lanka photo

Rare alexandrite in oval cut with strong color change effect 4.05 ct, Sri Lanka

$42,525 / 10,500/ct

Available in Bangkok

Dark gray cushion-cut spinel 2.37 carats, Burma photo

Dark gray cushion-cut spinel 2.37 carats, Burma

$1,420 / 599/ct

Available in Moscow

Yellow sapphire in oval cut 2.25 ct from Madagascar photo

Yellow sapphire in oval cut 2.25 ct from Madagascar

$2,363 / 1,050/ct

Available in Moscow

Cobalt blue spinel 1.47 ct in octagon cut from Tanzania photo

Cobalt blue spinel 1.47 ct in octagon cut from Tanzania

$2,573 / 1,750/ct

Available in Moscow

Golden yellow radiant-cut sapphire 4.35 ct, Sri Lanka photo

Golden yellow radiant-cut sapphire 4.35 ct, Sri Lanka

$7,175 / 1,649/ct

Available in Moscow

Cornflower blue sapphire 3.50 carats in cushion cut, Sri Lanka photo

Cornflower blue sapphire 3.50 carats in cushion cut, Sri Lanka

$7,875 / 2,250/ct

Available in Istanbul

Cornflower blue sapphire in oval cut 11.54 ct, Sri Lanka photo

Cornflower blue sapphire in oval cut 11.54 ct, Sri Lanka