Celebrate forever—or a moment that means everything—with the Classic Oval Lab Diamond Solitaire Engagement Ring by GiliBili. This ring is available in 1ct, 2ct, 3ct, 4ct, and 5ct, each diamond IGI certified, laser inscribed, and precision-cut for brilliance and beauty. Choose from solid 14kt or 18kt gold in white, yellow, or rose gold—no gold plating, just enduring elegance.

Each stone is a lab-grown oval-cut solitaire of the finest grade: D color, VVS clarity, with excellent polish and symmetry, and no fluorescence. Whether you're choosing a 1ct lab engagement ring or a bold 5ct oval solitaire lab grown ring, this piece is made to shine for life.

Why Oval Shape Is a Modern Classic in Engagement Rings

The oval cut diamond has long been adored for its elongated, graceful form and brilliant sparkle. It combines the timeless appeal of a round brilliant with a lengthening effect that flatters the finger. Ideal for modern romantics, this shape blends tradition and individuality effortlessly.

Oval Cut Specs: Precision That Speaks for Itself

• Ideal ratio: 1.30 to 1.50
• D color (colorless)
• VVS clarity (nearly flawless)
• IGI certified + girdle inscription
• No fluorescence
• Excellent polish & symmetry

1ct Oval Shape Lab Diamond Ring

Elegant and minimalist, the 1ct lab engagement ring is ideal for those who love understated beauty. The oval-cut lab-grown diamond offers subtle brilliance with a graceful presence. Perfect for everyday wear, this piece is light, feminine, and forever stylish.

Crafted in solid 14kt or 18kt gold—available in white, yellow, or rose—this ring is IGI certified and laser-inscribed for authenticity. With its classic solitaire setting and balanced proportions, it’s a timeless favorite for engagements, anniversaries, or a personal treat.

2ct Classic Oval Lab Diamond Solitaire Ring

The 2ct lab engagement ring captures the ideal balance of size and sparkle. The larger face-up size of the oval cut enhances the finger’s natural elegance, while the solitaire setting draws in light from every angle.

Offered in your choice of solid 14kt or 18kt gold, the 2 carat oval diamond is set high to showcase its fire and clarity. Each stone is certified by IGI and inscribed on the girdle, making it as trustworthy as it is beautiful.

3ct Lab Grown Oval Shape Engagement Ring

Confident and captivating, the 3ct lab grown oval shape engagement ring is designed for women who want their sparkle to reflect their spirit. The elongated shape maximizes surface area, while the D/VVS quality ensures unmatched clarity and brightness.

Set in a secure solitaire mounting and crafted in solid 14kt or 18kt gold, this ring blends bold style with timeless design. With IGI certification, laser inscription, and zero fluorescence, it’s a statement of purity and self-expression.

4ct Oval Cut Lab Diamond Ring

The 4ct oval cut lab diamond ring is where minimalism meets magnificence. Designed for drama and elegance, the larger oval cut highlights the stone’s symmetry and clarity while maintaining that coveted finger-lengthening look.

Our lab-grown 4ct diamonds are D color, VVS clarity, and IGI certified with laser-inscribed girdles. Paired with a simple yet elevated solitaire setting, this ring is made to turn heads and tell stories.

5ct Oval Solitaire Lab Grown Diamond Ring

The 5ct oval solitaire lab grown ring is for the unapologetic romantic, the bold visionary, and the woman who defines her own milestones. Its soft curves and expansive facets deliver breathtaking brilliance in every light.

Expertly cut, certified by IGI, and finished in solid gold—14kt or 18kt, this ring offers the ultimate expression of luxury and love. With no fluorescence, excellent polish and symmetry, and D/VVS grading, it's made to be admired for generations.

What Are Lab-Grown Diamonds?

Lab-grown diamonds are real diamonds, created using cutting-edge technology that mimics natural diamond growth. They share the exact same chemical and optical properties as mined diamonds—and are graded by the same top-tier labs like IGI.

They're ethical, sustainable, and every bit as brilliant. Simply put: smart luxury.

👉Learn more about lab-grown diamonds

How to Care for Your Lab Diamond Engagement Ring

Keep your ring shining with warm water, a soft cloth, and mild soap. Avoid abrasive cleaning, harsh chemicals, or heavy-duty activities. Schedule professional inspections yearly to preserve brilliance.

👉How to care for your lab diamond ring

Want a Custom Design?

Let us bring your dream ring to life. From unique carat sizes and shapes to custom band styles and settings—we’ll create your perfect piece.

👉Create your custom diamond ring

Not Sure About Your Ring Size?

Use our easy sizing guide or printable chart to find your perfect fit—because every detail matters.

👉Find your ring size here

FAQs

• What is an oval diamond? An elongated brilliant cut with a soft, rounded shape that maximizes sparkle and flatters the finger.
• Are lab-grown diamonds real? Yes. They are chemically and visually identical to mined diamonds, and certified by IGI.
• What gold options do you offer? Solid 14kt or 18kt gold in white, yellow, or rose.
• Are your diamonds certified? Yes. Every diamond comes with an IGI certificate and laser inscription.
• Can I wear this ring daily? Absolutely. It’s crafted to be durable, wearable, and stunning every day.
• Do you offer custom ring designs? Yes! Explore our fully custom services for a one-of-a-kind engagement ring.