Antique 18K gold certified natural blue sapphire and diamonds ring
This beautiful 18K yellow gold cluster ring centers on a certified natural blue sapphire weighing approximately 1.25 carats. The sapphire is prong set with open back and it displays a saturated deep blue hue.
Encircling the center stone are 9 bezel set, old mine cut diamonds, with an estimated total weight of approximately 1,08 carats. (I/VS). Antique diamonds are making a remarkable comeback, prized for their individuality—each stone uniquely cut by hand, giving it its own character and charm that cannot be replicated by modern techniques.
The ring’s classic cluster design is both timeless and enduring—a forever favorite that transcends trends. Its refined character makes it a perfect choice as a unique antique engagement ring.
Resizable at buyer’s cost, please contact us before passing your order.
Some photos are zoomed in to show details, please refer to the measurements for true scale.
Measurements and condition
The sapphire is accompanied with LFG prelim report, certifying its natural nature (with thermal treatment). In overall good antique condition with traces of use.
Slight scratches on the surface.
Natural inclusions in the gemstones/Abrasions.
The sapphire shows a slight darker/lighter color under different lightings, please see different photos for reference.
French eagle’s head hallmark for 18K gold + a maker’s mark on the shank
The head of the ring measures: 15.2mm*13.9mm
The blue sapphire measures approximately 8.3mm*6.5mm*4.2mm
Resizable. EU/FR 57.5 – US 8 ¼ – UK Q ½
Weight: 5.36g
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