Notice what jewelry she wears daily (gold vs. silver, minimalist vs. flashy) to avoid buying something she won't wear, as seen in these Reddit discussions .
A common, though not foolproof, method is that a woman’s ring size is often close to her shoe size. The "Solid" Story Arc buying a ring for your girlfriend
If she is close to her friends or sisters, they likely know her exact preferences. Notice what jewelry she wears daily (gold vs
“I bought my wife's ring 3 years before I proposed to her, because that's when I knew I wanted to marry her.” Facebook · Smosh · 1 year ago A common, though not foolproof, method is that
If you are unsure of her exact taste but want a surprise proposal, buy an inexpensive, simple ring and tell her you will go together to pick the final one.