Vintage 9k 9ct Gold Sapphire & Diamond Necklace Cluster Pendant Halo Solid 375 Yellow Womens Jewelry Retro Jewellery antique moss agate I've not sure if this

I've not sure if this is a natural inclusion or has developed from an impact

It has both it's original glass inserts and opens/closes as it should

9" in length

The item isn't stamped/hallmarked which is common with an item from this era

Please study the photos/video and satisfy yourself with its condition

Vintage 9k 9ct Gold Sapphire & Diamond Necklace Cluster Pendant Halo Solid 375 Yellow Womens Jewelry Retro Jewellery antique moss agate I've not sure if thisDESCRIPTION: A petite and elegant vintage solid 9ct gold cluster pendant, adorned with sapphires and a central diamond (100% tested). It weighs approx. 0. 61g and the size dimensions are in the later photos. The item is hallmarked for 9ct gold, dating to 1990.