18k is the metal purity (18/24k which is 75%) EF is probably the manufacturer's or designer's mark.
its only 18k gold plated, not full gold This could be incorrect. If the ring has 18K/PLAT then the ring is 18K gold with some platinum. Probably to hold the diamond.
Not enhanced in terms of pearls
LSC is the maker and 950PT stands for 95% Platinum not 18K gold.
Want does 18k hce on a ring
what does 18k pad on a ring mean
what does 18K SAC mean in a ring
Usually a diamond ring is manufactured from metal, including gold, silver, platinum or other metal, and set with a diamond.
18k is not homgeneous
ring found in pawn shop since 1994,ring is 18k gold diamond encrusted...will consider best offer.
Better to lose a 9k gold ring than a 18k one ! 18k is purer gold than 9k.
This means that the ring is matt gold electroplated. The 18k is the amount of gold that is found in the ring.
The value of a diamond depends on its cut, its clarity, its colour and its carat weight. A local jeweler can give you the answer you want.