You should always be careful with transparency which comes from crystals, diamonds or your wedding dress. Try to avoid a lot of transparency such as white lace while your skin tone is not ideal enough.
Don't use over-white lace. In that way, you couldn't have got good skin tone no matter how many jewelries you use. Ivory or pearlized lace will definitely do a good job.
Colored Gemstone
Colored Gemstone can be very flattering. However, remember to skimp the gemstone with yellow deflect looks. Try to use dark color gemstone which better your complexion and also consider you wedding dress, make up as well as the lights. It's the best for you to bring gemstones in different colors to cater for spot lights that day.
Purple
Oriental brides are not suggested to try on this bold color very often. Once you failed, you'll make yourself a shit. Only the brides with rosy cheeks apply purple perfectly. This kind of color accentuates good complexion better and vice versa.
Red Wedding Dress
You may use bridal dresses in different colors to complement jewelry. Remember to choose rich dark color which hightlight your skin tone.
In traditional Chinese wedding, red implies auspiciousness and fortune. In the other side, ruby matches diamond very well. It's looks feminie while the soft necklace twists with your neck.
Blue and Green Fairy
Both blue and green are cool shades which whiten Asians' complexion. Asian brides look calm and transculent by wearing emerald, sapphire and green tourmaline.
Black
If you are bold enough, black is a good idea to enlight skin tone. Choose wedding dress with black elements such as black agate etc. Pick darker jewlery to whiten your complexion.