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0.5 carat diamonds

2 guides

Price guide

A 0.5 carat diamond costs $250–$2,600 in our 2026 ranges, depending on shape, origin, grading, and cut quality. See every available shape.

Engagement Ring Reviews Lab-Grown Team · Updated Sep 5, 2026 · 9 min read

Price guide

A 0.5 carat diamond ring typically costs $650–$1,700 with a lab-grown stone and $1,800–$3,800 with a natural stone, before upgrades.

Engagement Ring Reviews Lab-Grown Team · Updated Sep 5, 2026 · 9 min read