Professional 3D CAD model of an elegant solitaire-style engagement ring featuring a prominent round center stone, a delicate hidden halo (under-gallery accent stones), and a full eternity-style band set with oval-cut accent stones. Optimized and ready for 3D printing and direct investment casting.

Model Details & Specifications:

Finger Size: 7 US

Band Dimensions: Width: 3.00 mm | Thickness: 1.80 mm | Profile Height: 6.80 mm

Gemstone Summary:

Center Stone: 1x Round Brilliant (approx. 8.72 x 8.79 mm / ~2.43 ct)

Band Side Stones: 16x Oval Cut (approx. 5.00 x 3.00 mm / ~2.73 ctw)

Under-Gallery Stones: 15x Round Accents (approx. 0.90 x 0.90 mm / ~0.041 ctw)

Total Gem Count: 32 Stones (~5.20 ctw total)

Estimated Metal Weights (Size 7 US):

10K Gold: 5.47 g

14K Gold: 6.15 g

18K Gold: 7.36 g

22K Gold: 8.55 g

925 Silver / Continuum: ~4.97 g

Included File Formats:

3D Print Ready STL file (and/or 3DM, OBJ depending on your export package).