IMPORTANT SHIPPING INFORMATION: Sigma will be closed on 4 July 2025 in observance of the USA holiday. Book products will resume shipping on 7 July 2025. Jewelry products will resume shipping on 14 July 2025. We apologize for any inconvenience this may cause.

Rings

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Men's Tungsten Ring

SPECIAL ORDER ITEM

Allow 6 - 8 weeks for delivery
$62.00 excluding shipping

Berkely Ring

SPECIAL ORDER ITEM

Allow 6 - 8 weeks for delivery

Available in sizes 6-8

$139.00 excluding shipping

Amethyst Cushion Ring - Sterling Silver

SPECIAL ORDER ITEM

Allow 6 - 8 weeks for delivery
$219.00 excluding shipping

Amethyst Cushion Ring - 10K Gold

SPECIAL ORDER ITEM

Allow 6 - 8 weeks for delivery
$589.00 excluding shipping