6.51 CT. Radiant Cut YZ Yellow Diamond and Emerald Cut Diamond Bypass Ring in Platinum and 18K Yellow Gold

The bypass ring is one of fine jewelry’s most architectural designs, with two focal stones crossing rather than meeting at a single point. This version pairs a radiant cut YZ yellow diamond with emerald cut white diamonds in platinum and 18K yellow gold, highlighting contrast between warm and cool tones, color, and clarity. The six GIA-certified stones total approximately 6.51 carats and carry exceptional VVS2 - VVS1 clarity, appearing flawless to the naked eye. Yellow diamonds are set in 18K yellow gold to enhance their warmth, while platinum prongs preserve the crisp brightness of the near-colorless emerald cuts.

The emerald cut’s step faceting creates the signature “hall of mirrors” effect — long, clean flashes of light that shift beautifully as the stones cross. Bold yet refined, this ring works as a statement right-hand piece, a distinctive engagement ring, or a meaningful anniversary gift, with full GIA certification confirming its color and clarity grades.

Stone & material specifications

Understanding YZ yellow diamonds

The GIA colorless diamond scale runs from D (perfectly colorless) to Z (visible yellow or brown tint). Stones graded in the Y–Z range show a warm, golden yellow that is detectable even to the untrained eye. Importantly, YZ stones occupy an interesting position in the market: they carry the visual warmth and character of a colored diamond, but at a price point significantly below GIA-graded fancy colored diamonds. For a bypass design that pairs yellow with colorless white, YZ stones deliver maximum color contrast without the premium of a Fancy Yellow GIA classification.

Two-metal setting rationale

The use of 18K yellow gold for yellow stone prongs and platinum for white stone prongs and the shank is not decorative - it is functionally correct. Yellow gold prongs reflect warm light upward into YZ stones, making them appear more saturated and vivid. Platinum prongs reflect cool, neutral light into DE colorless emerald cuts, allowing their clarity to read with full precision. The two metals serve the stones they hold, and the visual contrast between them reinforces the contrast between the stones themselves.

Styling guidance

• Wear on the right hand as a fashion/cocktail ring - the bypass silhouette and mixed color story reads as deliberate and confident

• Pair with simple diamond studs or understated earrings - the ring carries the look

• Works with minimal other jewelry on the same hand - rings should not compete with the complexity of this complexity

• Complements both warm and cool metal jewelry elsewhere - the two-tone setting bridges both

• Appropriate for evening occasions, professional settings with bold dressing, and any context where originality is the point

Consultation & GIA documentation

All six stones in this ring are GIA certified, with documentation available upon request. Our team is happy to walk through the certification details, the color and clarity specifics of each stone, and the design logic behind the setting in a consultation. Book in person at our San Francisco showroom or schedule an online appointment.