Style: Vintage / Geometric / Design No. of main gemstones: 2 Main stone: Aquamarine Shape: Square Cutting style: Faceted cut Surrounding stones: Natural diamond Number of diamonds: approximately 12, based on the photograph Diamond shape: Round Ring size: EU 48 / US 4.5 Title additional information: Vintage 18K White Gold Aquamarine & Diamond Geometric Ring Vintage 18K White Gold Aquamarine & Diamond Ring – Geometric Design – EU 48 Distinctive vintage 18K white gold ring featuring two square-cut aquamarines accented by multiple natural diamonds in a strong geometric arrangement. The centre of the ring is set with two pale blue aquamarines of square form, each individually framed in white gold. Between and alongside the aquamarines are vertical rows of small round natural diamonds, creating an alternating gemstone pattern across the front of the ring. The broad white gold shoulders taper smoothly toward the rear of the shank, giving the ring a substantial appearance while maintaining a clean and balanced profile. The geometric combination of square aquamarines and round diamonds gives the piece a characteristic late-20th-century design aesthetic. The interior is clearly stamped 750, confirming 18 karat gold. An additional maker's or manufacturer's mark is also present inside the shank. Details: Metal: 18K white gold Fineness: 750 / 18 kt Main gemstones: 2 aquamarines Aquamarine shape: Square Aquamarine cutting style: Faceted Surrounding stones: Natural diamonds Diamond shape: Round Number of diamonds: approximately 12 Internal diameter: approximately 15.4 mm Ring size: approximately EU 48 / US 4.5 Hallmark: 750, located inside the shank Additional maker's mark present Style: Vintage / geometric Gender: Women Laboratory report: None Condition: Excellent vintage condition with minor signs of previous wear An attractive vintage 18K white gold aquamarine and diamond ring with a particularly strong geometric design. The combination of pale blue square gemstones, natural diamond accents and broad white gold construction gives the ring considerably more visual presence than a conventional gemstone band.