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18ct Gold Natural Sapphire Diamond Trilogy Ring , 4.20ct Sapphire

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SKU: x7072



This antique 18ct Gold natural Sapphire Diamond ring is a wearable piece of history that'll leave you breathless!

Richly set in Platinum settings, this stunning 4.20ct natural Cornflower blue Sapphire takes centre stage, with its vibrant hue captivating all those who gaze upon it. The two sparkling Diamonds on either side elevate this classic antique engagement ring to a level of elegance beyond compare, making it the perfect accessory for any occasion. 

This  Art Deco ring exudes timeless glamour and sophistication, solidifying its place as a true timeless icon, finished with an 18ct Gold, glossy ring band.

With a 6.5mm ring profile, this Sapphire Diamond ring can't be missed from the moment you enter the room. A truly historic piece of art from the bygone era, any collector, gem-lover or jewellery enthusiast would be proud to add this to their treasured collection!

Item Details:

ERA: Art Deco (1920).

RING SIZE: UK Size S / US Size 9 & 1/8
Contact us for a resizing estimate at

MEASUREMENTS: Ring band is 1.5mm wide.
Ring profile sits 6.5mm from your finger when worn. 
Sapphire is 12mm long x 9.5mm wide, weighing approx 4.20ct.
2 Diamonds are 2.5mm in diameter, weighing approx 0.12ct combined. 
Weight:  4.4g

MATERIALS:  Tests as 18ct Gold band, Platinum settings, natural Cornflower Blue Sapphire with no indication of heat treatment (4.20ct), Diamonds (0.12ct). 

STAMPS: '18CT & PT' inside band.

HALLMARKS: Since we have dated this piece as being made prior to 1950, a hallmark is not required in order for it to be sold in line with UK hallmarking legislation.

PACKAGING: Your ring will be shipped in a luxury velvet Lillicoco presentation box.


VERY GOOD. This antique 18ct Gold Sapphire Diamond ring is in very good condition! Her cornflower blue Sapphire is secure within the claw settings, she does have some light age-related wear along the edge of a few of the facets, however, this does not affect her ability to dazzle! The colour and sheer size of this natural Sapphire is truly a joy to behold! The Diamonds on either side add a wonderful accent and are secure in their basket settings. This Art Deco ring does boast a tall ring profile, so just be aware of this when wearing her to keep her safe. The 18ct Gold ring band is sturdy and in excellent condition suitable for daily wear.