Marquise Hidden Halo

A cathedral arch rises from the band to cradle the center stone, lifting it into the light where it belongs. The result is a clean, confident silhouette from every angle — elevated without being overdone.

Set with a lab-grown round brilliant diamond, IGI certified for cut, color, clarity, and carat weight. The cathedral setting allows maximum light to enter from all sides, giving you more fire and brilliance than a standard solitaire mount.

Crafted in 14K gold with a comfort-fit band and hand-finished prongs that hold the stone securely without crowding it. Available in rose, white, and yellow gold.

Every Diamondaire diamond is grown, not mined — identical in every way that matters, certified independently, and fully traceable.

Complimentary insured shipping. 30-day returns. Lifetime care include

Setting

Cathedral solitaire, 4-prong, comfort-fit band

Band width: 1.8mm

Rhodium-plated (white gold) / high-polish finish (rose and yellow gold)

Metal

14K Gold — available in White Gold, Rose Gold, and Yellow Gold

Center Stone

Lab-grown round brilliant diamond

IGI certified

Available in 1 ct, 1.5 ct, and 2 ct

Color: G+ | Clarity: VS+ | Cut: Excellent

Care

Clean gently with warm water, mild soap, and a soft-bristle brush. Rinse thoroughly and pat dry with a lint-free cloth. Avoid contact with chlorine, bleach, perfume, and harsh chemicals. Remove before heavy exercise, swimming, or cleaning. Professional cleaning and prong inspection recommended every 6–12 months — complimentary through our Lifetime Care program. Store in the included Diamondaire ring box or a soft-lined case when not worn.

Every Diamondaire center stone is independently graded and certified by the International Gemological Institute (IGI) — one of the world's most trusted diamond grading laboratories. Your certificate verifies the exact cut, color, clarity, and carat weight of your diamond and arrives with your ring.

What IGI Certification Means

An independent gemologist — not Diamondaire, not the manufacturer — examines your diamond under controlled conditions and assigns grades based on internationally recognized standards. This is the same process used for mined diamonds. Your certificate includes a unique report number that can be verified online at igi.org.

Conflict-Free Guarantee

Every Diamondaire diamond is lab-grown in a controlled environment. No mining. No displacement. No conflict. Fully traceable from creation to your hand.

Shipping & Returns

Shipping

Complimentary insured shipping on every order. All packages ship via FedEx with signature required and discreet packaging — no branding on the outside of the box.

Made-to-order rings ship within 7–10 business days. In-stock items ship within 2–3 business days. You'll receive tracking the moment your order leaves our hands.

Returns

30-day free returns. If it's not right, send it back — no restocking fee, no hassle. The ring must be unworn and in its original Diamondaire packaging. We'll email you a prepaid insured return label.

Refunds are processed within 5 business days of receiving the return.

Warranty

Every Diamondaire ring is covered by our Lifetime Care program. That includes complimentary cleaning, prong retightening, re-polishing, and one resize — for life. If something ever needs attention, we'll send you a prepaid label, service the piece, and ship it back.

Questions? Contact us at here or use the chat below.