20ct Diamond Riviera Necklace 18K White Gold IGI Certified H-I SI1-SI2 17″

Exquisite 20 Carat Total Weight Diamond Riviera Necklace

This stunning, investment-grade Riviera necklace features a seamless flow of graduated round brilliant-cut diamonds, meticulously set in solid 18K White Gold. Certified by the International Gemological Institute (IGI), this piece offers a classic, high-impact aesthetic with exceptional brilliance.

Product Specifications:

• Total Carat Weight: 20.00 ctw

• Diamond Color: H-I (Near Colorless)

• Diamond Clarity: SI1 – SI2

• Metal: 18K White Gold (Stamped "750")

• Length: 17 Inches

• Setting: Classic Riviera 4-prong graduated mounting

• Certification: IGI Appraisal Report Included

• Weight: Approximately 14.8 DWT (Total weight)

Diamond Breakdown (Per IGI Report):

• Center Section: 3 Round Brilliant Diamonds (~0.75ct each)

• Mid-Section: 12 Round Brilliant Diamonds (~0.45ct each)

• Side Section: 28 Round Brilliant Diamonds (~0.23ct each)

• Melee: 77 Round Brilliant Diamonds

Custom Orders & Personalization:

We specialize in bespoke high-end jewelry. If you are looking for a different length (16", 18", etc.), specific diamond qualities, or a different metal (Platinum, Yellow Gold, or Rose Gold), please reach out. We can manufacture this Riviera style to your exact specifications and budget.