9K yellow Gold 5.63ct Graduated Lab-Grown Diamond Tennis Necklace – IGI Certified. IGI certification report number 79J425772511 which can be verified on there website. • Certification: IGI Certified. This breathtaking tennis necklace showcases premium lab-grown diamonds with outstanding color and clarity—perfect for special occasions, evening wear, or as a standout piece in any fine jewelry collection.
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