Art Deco “Flip-Halo” ring, never-before-seen lenticular halo. Center: square-cushion vivid blue sapphire (2.5–4.5 ct), medium crown. Double concentric halos made of thin louver blades: • odd blades set with French-cut sapphires, each tilted +15° toward viewer; • even blades set with carré-cut diamonds, each tilted −15° inward; Head-on view reads as a continuous blue band; at ~25–30° diamonds flare into a dotted radial corona (flip effect). Platinum (or 18K white, nickel-free) stepped geometric bezel (3 tiers) with fine milgrain; outer frame of seamless calibré-cut sapphires (square-cushion outline, keystone corners). Pierced “skyscraper” gallery, single hidden baguette accent (tsavorite or pink sapphire). Shoulders with triple Deco buttress, V-notch; EU size 54 (Ø ≈ 17.2 mm). Lighting: museum softbox 4500–5000K, clean caustics, controlled speculars, realistic diamond dispersion; shallow DOF; neutral dark velvet background; luxury editorial style. Negative: no baguette-panel halo, no round corner diamonds, no filigree lace, no logos/watermarks, no cartoonish look, no over-HDR bloom. Aspect ratio: 7:5 landscape, 8k photorealistic PBR ray-traced macro.

Art Deco “Flip-Halo” ring, never-before-seen lenticular halo. Center: square-cushion vivid blue sapphire (2.5–4.5 ct), medium crown. Double concentric halos made of thin louver blades: • odd blades set with French-cut sapphires, each tilted +15° toward viewer; • even blades set with carré-cut diamonds, each tilted −15° inward; Head-on view reads as a continuous blue band; at ~25–30° diamonds flare into a dotted radial corona (flip effect). Platinum (or 18K white, nickel-free) stepped geometric bezel (3 tiers) with fine milgrain; outer frame of seamless calibré-cut sapphires (square-cushion outline, keystone corners). Pierced “skyscraper” gallery, single hidden baguette accent (tsavorite or pink sapphire). Shoulders with triple Deco buttress, V-notch; EU size 54 (Ø ≈ 17.2 mm). Lighting: museum softbox 4500–5000K, clean caustics, controlled speculars, realistic diamond dispersion; shallow DOF; neutral dark velvet background; luxury editorial style. Negative: no baguette-panel halo, no round corner diamonds, no filigree lace, no logos/watermarks, no cartoonish look, no over-HDR bloom. Aspect ratio: 7:5 landscape, 8k photorealistic PBR ray-traced macro.

Platinum ring with a vibrant blue sapphire center stone, surrounded by a double halo of French-cut sapphires and carré-cut diamonds. The ring features a stepped geometric bezel, a pierced gallery, and shoulders with a triple Deco buttress.

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