Jewels with silver and gold / unique designs using precious and semi precious stones. › 18kt gold Carnelian neckpiece Image 1 of 1 18kt gold Carnelian neckpiece $2,400.00 18kt Gold Carnelian drop necklace. Length of necklace is 18inches /46cm. Add To Cart Added! 18kt Gold Carnelian drop necklace. Length of necklace is 18inches /46cm.