Square Octagon Frame Round Cut Main Stone Halo Lab Diamond Yellow Gold Necklace

Crafted in lustrous polished yellow gold, this eye-catching necklace features a round-cut lab diamond solitaire wrapped inside a unique square octagon frame halo design. Tiny shimmering lab diamonds pave the geometric octagonal border, creating layered dimensional sparkle that magnifies the center stone’s brightness. The structured angular frame contrasts elegantly with the soft round main gem, blending modern geometric aesthetics with classic halo brilliance. Lightweight and wearable with a delicate fine chain, it transitions seamlessly from daily office looks to dinner dates and layered collarbone styling. A distinctive sentimental fine jewelry gift for birthdays, anniversaries and special milestones. Item code Version code Size Material Total weight [g] main stones Main stone [ct] small stones Small diamond tw. [ct] N4050520011 N200 42+3cm 18KYG 2.746 1 0.543 28 0.109 N4030520004 N200 42+3cm 18KWG 2.905 1 0.54 28 0.101 N4050520006 N200 18KWG 2.715 1 0.558 28 0.115 N4030520002 N200 42+3 18KYG 3.56 1 1.049 28 0.156

shape

round

diamondType

fancy-color-lab-grown

productType

necklace

certification

Not stated

productionMethod

CVD

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Photographs and item information from Betterstar / CVD Loose Diamond · 2026-10-01T11:28:00.379Z。No affiliation with the source retailer or brand is implied.