Jewelry Type: All-Jewelry Ring

Weight: 18K Gold, 40.6 grams. See uploaded image

Jewelry Ring Dimensions: European Size 50. See images for details or contact us.

Diamond Size and Carat Weight: 87 Brilliant Cut Diamonds. Total Diamond Weight 4.60 Carats. Check the Diamond Chart Attached in the Image.

Technical Description of the Eternity Ring

This ring model is of the Eternity Ring or Eternity Ring type, with its entire circumference covered with cut gems.

Technical and Design Features

Based on the image provided (rr0040.1.jpg), this ring has the following technical specifications:

• Ring Type and Style: Eternity Ring or a ring around the entire circumference of the jewelry that covers the entire circumference of the ring with gems.
• Metal Type: The metal used is 18K yellow gold (750).
• Number of Gemstone Rows: The ring has two rows of gems in parallel on the surface of the ring:
• Main (outer) row: Larger gems.
• Side (middle) row: Very small gems.

Gemstone and Setting Details1. Main Gemstones (outer) row

• Gemstone Type: Diamond (brilliant cut) or similar clear and colorless stones.
• Gemstone Cut: Round Cut / Brilliant Cut.
• Setting Type: Shared Prong Setting.
• In this method, the gems are held in place by thin metal prongs.
• Every two adjacent gems have a shared prong that minimizes the metal space between the gems.
• Advantage: This type of setting brilliance maximizes the light** to the diamonds and maximizes their brilliance.

2. Side Gemstones (middle row)

• Gemstone Type: Small diamonds or small decorative stones (known as Micro Stones).
• Gemstone Cut: Round (brilliant) and very fine.
• Setting Type: Pave Setting.
• The small gems are placed very tightly on the metal surface and are held in place by tiny beads.
• Appearance: The surface of the ring between the main gems is covered with a sparkling texture of tiny diamonds.

3. Back and Internal Structure

• Gallery/Open Back: The internal structure of the ring has Openings behind each main gem.
• Technical Purpose: These holes are designed to allow light to enter under the gems (to enhance shine) and also to allow access for cleaning and washing the stones after use.

Design for Manufacturing (CAD/CAM)

The ready-to-build file (STL. or 3DM. files) must include the following technical details for accurate manufacturing:

• Geometric Dimensions: The exact dimensions of the ring, including Inner Diameter (Ring Size), Overall Width and Wall Thickness.
• Gem Placement: The exact number** of main and side gems (Micro Set) and the exact size (diameter) of each based on the ring size.
• Metal Prong and Bead Details: The exact design of the joint location and Dimensions of the common prongs for the main gems and the retaining beads for the extracted gems.
• Weight Estimate: An accurate calculation of the net weight of the metal before casting, which is a function of the density of the selected metal.