Thick Curb Chain Necklace Shapes Studio The Classics Rachel Nathan London gold plated curb chain bracelet with rectangle charms Goumenos The Classics Rachel Nathan Rachel Nathan Design. Polished and sealed curb faceted curb 3. 0mm chain bracelet. This stunning statement can be worn solo or stacked with bracelets from across the Rachel Nathan collection. Polished & Sealed Brass Link: 3. 0mm thick, 13. 8mm width, 10. 1mm height