An 18 carat gold ring with diamonds and yellow sapphire
The Netherlands, late 20th century
The gold ring set with a central oval facetted yellow sapphire weighing approx. 2.00 carat, flanked by a brilliant-cut diamond weighing approx. 0.50 carat. Marked with maker’s mark: Nico Heijkoop. With original case, marked: Nico Heijkoop, Zeist
Gross weight approx. 5.6 grams
Weight yellow sapphire approx. 2.00 carat / Weight diamond approx. 1.00 carat
Ring size 19 1/4

€ 1.500 - 2.500
€ 6.100