Welcome to Isometrica, where the art of nature is elevated into a realm of wonder, elegance, and meaning. Here, you’ll discover a curated world of rare minerals, phenomenal gemstones, and visionary jewelry—each piece selected or crafted for its beauty, symbolism, and elemental resonance. Whether you are a collector, creator, or seeker of the extraordinary, our offerings invite you to explore the intersection of geology, artistry, and timeless design. We’re honored to share this journey with you.

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Fine Minerals
Fine Minerals
Fine Minerals
Fine Minerals
Gemstones
Gemstones
Gemstones
Gemstones
Iridescent Andradite Garnet "Rainbow Garnets"
Iridescent Andradite Garnet "Rainbow Garnets"
Iridescent Andradite Garnet "Rainbow Garnets"
Iridescent Andradite Garnet "Rainbow Garnets"
Talismanic Jewelry
Talismanic Jewelry
Talismanic Jewelry
Talismanic Jewelry

Featured Products

Rose-Cut Iridescent Rainbow Garnet | Arlit, Niger 10.9 mm × 8.85 mm × 4.55 mm | 4.50 cts
Rose-Cut Iridescent Rainbow Garnet | Arlit, Niger 10.9 mm × 8.85 mm × 4.55 mm | 4.50 cts
Rose-Cut Iridescent Rainbow Garnet | Arlit, Niger 10.9 mm × 8.85 mm × 4.55 mm | 4.50 cts
$3 600.00
“Pastel Prince” | Faceted Rainbow Garnet — 8.65 cts | 12.34 × 12 × 6.3 mm
“Pastel Prince” | Faceted Rainbow Garnet — 8.65 cts | 12.34 × 12 × 6.3 mm
“Pastel Prince” | Faceted Rainbow Garnet — 8.65 cts | 12.34 × 12 × 6.3 mm
$6 920.00
Faceted Rainbow Garnet – San Pedro Mountain, New Mexico  12.8 cts | 15.8 mm x 13.15 mm x 6.38 mm
Faceted Rainbow Garnet – San Pedro Mountain, New Mexico 12.8 cts | 15.8 mm x 13.15 mm x 6.38 mm
Faceted Rainbow Garnet – San Pedro Mountain, New Mexico 12.8 cts | 15.8 mm x 13.15 mm x 6.38 mm
$12 800.00
Rainbow Garnet – Tenkawa Village, Nara, Japan  14.6 cts | 18.7 mm x 12.24 mm x 5.5 mm
Rainbow Garnet – Tenkawa Village, Nara, Japan 14.6 cts | 18.7 mm x 12.24 mm x 5.5 mm
Rainbow Garnet – Tenkawa Village, Nara, Japan 14.6 cts | 18.7 mm x 12.24 mm x 5.5 mm
$8 760.00
Faceted Rainbow Garnet – Arlit, Niger  3.09 ct | 11.05mm x 6.2mm x 4.45mm
Faceted Rainbow Garnet – Arlit, Niger 3.09 ct | 11.05mm x 6.2mm x 4.45mm
Faceted Rainbow Garnet – Arlit, Niger 3.09 ct | 11.05mm x 6.2mm x 4.45mm
$2 472.00
Freestyle-Faceted Rainbow Garnet – Tenkawa Village, Nara, Japan 11.16 ct | 12.0mm x 12.9mm x 6.75mm
Freestyle-Faceted Rainbow Garnet – Tenkawa Village, Nara, Japan 11.16 ct | 12.0mm x 12.9mm x 6.75mm
Freestyle-Faceted Rainbow Garnet – Tenkawa Village, Nara, Japan 11.16 ct | 12.0mm x 12.9mm x 6.75mm
$8 925.00
Blue-Purple Tourmaline Crystal – Tourmaline Queen Mine, Pala, California 3.4 grams | 28.5mm x 8.5mm x 7.75mm
Blue-Purple Tourmaline Crystal – Tourmaline Queen Mine, Pala, California 3.4 grams | 28.5mm x 8.5mm x 7.75mm
Blue-Purple Tourmaline Crystal – Tourmaline Queen Mine, Pala, California 3.4 grams | 28.5mm x 8.5mm x 7.75mm
$1 360.00
“Eye of the Cycle” – Ouroboros Ring with Faceted Rainbow Garnet – Arlit, Niger 2.85 ct Garnet | 18kt Yellow Gold | Size 8.5
“Eye of the Cycle” – Ouroboros Ring with Faceted Rainbow Garnet – Arlit, Niger 2.85 ct Garnet | 18kt Yellow Gold | Size 8.5
“Eye of the Cycle” – Ouroboros Ring with Faceted Rainbow Garnet – Arlit, Niger 2.85 ct Garnet | 18kt Yellow Gold | Size 8.5
$4 000.00
Asterized Rainbow Garnet Cabochon – San Pedro Mountain, New Mexico 6.63 ct | 12.15mm x 11.0mm x 4.95mm
Asterized Rainbow Garnet Cabochon – San Pedro Mountain, New Mexico 6.63 ct | 12.15mm x 11.0mm x 4.95mm
Asterized Rainbow Garnet Cabochon – San Pedro Mountain, New Mexico 6.63 ct | 12.15mm x 11.0mm x 4.95mm
$4 972.00
“Solstice Sun” – Faceted Rainbow Garnet Crystal – San Pedro Mountain, New Mexico 8.33 ct | 14.7mm x 10.5mm x 5.0mm
“Solstice Sun” – Faceted Rainbow Garnet Crystal – San Pedro Mountain, New Mexico 8.33 ct | 14.7mm x 10.5mm x 5.0mm
“Solstice Sun” – Faceted Rainbow Garnet Crystal – San Pedro Mountain, New Mexico 8.33 ct | 14.7mm x 10.5mm x 5.0mm
$8 330.00
Rose-Cut Rainbow Garnet – Nara, Japan 1.47 ct | 9.1mm x 8.1mm x 1.8mm
Rose-Cut Rainbow Garnet – Nara, Japan 1.47 ct | 9.1mm x 8.1mm x 1.8mm
Rose-Cut Rainbow Garnet – Nara, Japan 1.47 ct | 9.1mm x 8.1mm x 1.8mm
$441.00
Freeform-Faceted Rainbow Garnet – Nara, Japan 3.24 ct | 11.2mm x 8.65mm x 3.45mm
Freeform-Faceted Rainbow Garnet – Nara, Japan 3.24 ct | 11.2mm x 8.65mm x 3.45mm
Freeform-Faceted Rainbow Garnet – Nara, Japan 3.24 ct | 11.2mm x 8.65mm x 3.45mm
$1 296.00
Sold out
Faceted Rainbow Garnet – San Pedro Mountain, New Mexico 3.9 ct | 8.8mm x 8.3mm x 4.7mm
Faceted Rainbow Garnet – San Pedro Mountain, New Mexico 3.9 ct | 8.8mm x 8.3mm x 4.7mm
Faceted Rainbow Garnet – San Pedro Mountain, New Mexico 3.9 ct | 8.8mm x 8.3mm x 4.7mm
$1 950.00
Out of stock
Cushion-Cut Color Change Garnet – Morogoro, Tanzania 1.38 ct | 5.8mm x 6.5mm x 3.6mm
Cushion-Cut Color Change Garnet – Morogoro, Tanzania 1.38 ct | 5.8mm x 6.5mm x 3.6mm
Cushion-Cut Color Change Garnet – Morogoro, Tanzania 1.38 ct | 5.8mm x 6.5mm x 3.6mm
$1 380.00
Iridescent Andradite Garnet Cluster on Matrix – Nara, Japan – 22.3mm x 17.2mm x 16mm
Iridescent Andradite Garnet Cluster on Matrix – Nara, Japan – 22.3mm x 17.2mm x 16mm
Iridescent Andradite Garnet Cluster on Matrix – Nara, Japan – 22.3mm x 17.2mm x 16mm
$900.00
Top-Grade Rainbow Garnet Cluster – Arlit, Niger – 15.3mm x 11.75mm x 9.5mm
Top-Grade Rainbow Garnet Cluster – Arlit, Niger – 15.3mm x 11.75mm x 9.5mm
Top-Grade Rainbow Garnet Cluster – Arlit, Niger – 15.3mm x 11.75mm x 9.5mm
$750.00
Exceptional Rainbow Garnet in Matrix – San Pedro Mountain, New Mexico 34.2mm x 31.75mm x 21.55mm
Exceptional Rainbow Garnet in Matrix – San Pedro Mountain, New Mexico 34.2mm x 31.75mm x 21.55mm
Exceptional Rainbow Garnet in Matrix – San Pedro Mountain, New Mexico 34.2mm x 31.75mm x 21.55mm
$3 500.00
Freeform Rose-Cut Rainbow Garnet – San Pedro Mountain, New Mexico 5.4 ct | 12.5mm x 8.4mm x 5.1mm
Freeform Rose-Cut Rainbow Garnet – San Pedro Mountain, New Mexico 5.4 ct | 12.5mm x 8.4mm x 5.1mm
Freeform Rose-Cut Rainbow Garnet – San Pedro Mountain, New Mexico 5.4 ct | 12.5mm x 8.4mm x 5.1mm
$5 400.00
World-Class Faceted Rainbow Garnet – Arlit, Niger 6.07 ct | 11.6mm x 9.45mm x 5.7mm
World-Class Faceted Rainbow Garnet – Arlit, Niger 6.07 ct | 11.6mm x 9.45mm x 5.7mm
World-Class Faceted Rainbow Garnet – Arlit, Niger 6.07 ct | 11.6mm x 9.45mm x 5.7mm
$4 856.00
Iridescent Andradite034Freeform-Faceted Rainbow Garnet – Arlit, Niger 2.13 ct | 8.6mm x 7.4mm x 3.05mm
Iridescent Andradite034Freeform-Faceted Rainbow Garnet – Arlit, Niger 2.13 ct | 8.6mm x 7.4mm x 3.05mm
Iridescent Andradite034Freeform-Faceted Rainbow Garnet – Arlit, Niger 2.13 ct | 8.6mm x 7.4mm x 3.05mm
$1 365.00
Paraíba Tourmaline (Cuprian Elbaite) – Batalha Mine, Paraíba, Brazil 0.44 ct | 4.95mm x 4.2mm x 3.3mm
Paraíba Tourmaline (Cuprian Elbaite) – Batalha Mine, Paraíba, Brazil 0.44 ct | 4.95mm x 4.2mm x 3.3mm
Paraíba Tourmaline (Cuprian Elbaite) – Batalha Mine, Paraíba, Brazil 0.44 ct | 4.95mm x 4.2mm x 3.3mm
$1 320.00
Rose-Cut Rainbow Garnet from Nara, Japan 1.35 ct | 7mm x 6.5mm x 2.75mm
Rose-Cut Rainbow Garnet from Nara, Japan 1.35 ct | 7mm x 6.5mm x 2.75mm
Rose-Cut Rainbow Garnet from Nara, Japan 1.35 ct | 7mm x 6.5mm x 2.75mm
$405.00
Sold out
Precision-Faceted Ultra-Iridescent Rainbow Garnet – Arlit, Niger 4.37 ct | 11.4mm x 7.5mm x 5.05mm
Precision-Faceted Ultra-Iridescent Rainbow Garnet – Arlit, Niger 4.37 ct | 11.4mm x 7.5mm x 5.05mm
Precision-Faceted Ultra-Iridescent Rainbow Garnet – Arlit, Niger 4.37 ct | 11.4mm x 7.5mm x 5.05mm
$4 370.00
Out of stock
Freeform-Faceted Rainbow Garnet – San Pedro Mountain, New Mexico 4.43 ct | 11.2mm x 8.15mm x 4.9mm
Freeform-Faceted Rainbow Garnet – San Pedro Mountain, New Mexico 4.43 ct | 11.2mm x 8.15mm x 4.9mm
Freeform-Faceted Rainbow Garnet – San Pedro Mountain, New Mexico 4.43 ct | 11.2mm x 8.15mm x 4.9mm
$1 770.00
Sold out
Faceted Rainbow Garnet – Nara, Japan 2.15 ct | 9.6mm x 7.95mm x 2.75mm
Faceted Rainbow Garnet – Nara, Japan 2.15 ct | 9.6mm x 7.95mm x 2.75mm
Faceted Rainbow Garnet – Nara, Japan 2.15 ct | 9.6mm x 7.95mm x 2.75mm
$645.00
Out of stock
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