What does the IGI certification mean for this piece?

This ring's diamond is graded by IGI, the International Gemological Institute, an independent laboratory. IGI evaluates and documents the stone for color, cut, clarity, and carat weight, then issues a report. That means the 1 carat cushion diamond's quality is verified by a third party rather than the seller alone.

What do the color and clarity grades mean for this diamond?

This diamond carries a VS1 clarity grade, meaning any inclusions are very slight and not visible to the unaided eye, so the stone looks clean face-up. The color grade is not specified for this listing; clarity at VS1 places it among well-balanced stones where light passes through without obvious interruption.

Whose birthstone is Diamond and what month does it represent?

The diamond is the birthstone for April. It is the only traditional birthstone assigned to that month, with no widely recognized secondary stone. A diamond ring like this one makes a fitting choice for an April birthday, or for anyone drawn to a clear, colorless gem regardless of their birth month.

Is 14K or 18K gold better for a diamond ring?

This ring is made in 14K gold, which is 58.3% pure gold alloyed for added strength, making it well suited to daily wear. 18K gold is 75% pure, offering richer color but a slightly softer surface. The better choice depends on your lifestyle and whether durability or deeper color matters more to you.

What width works best for daily wear versus a statement look?

This solitaire keeps a slim band that suits daily wear, sitting close to the finger and stacking easily with other rings. For a bolder statement, a wider band reads heavier and frames the stone with more metal. A narrow shank lets the 1 carat cushion diamond take center attention.

How do I find the right ring size?

Ring size is best measured by a local jeweler using a sizing set, which gives the most reliable fit. At home, wrap a strip of paper around the base of your finger, mark where it meets, and measure that length against a size chart. Measure at the end of the day when fingers are warm.

What is the shipping and return policy?

Oath Jewelry ships every order free with tracking included. Returns are accepted within 30 days of delivery; customers are responsible for return shipping, and a 15% restocking fee applies. Orders are packaged securely and arrive ready to gift.

14K yellow gold ring with 1 cushion diamond in a solitaire setting

1 Carat Cushion Lab Grown IGI G/VS1 Diamond Solitaire Ring in 14K Yellow Gold

Name: 1 Carat Cushion Lab Grown IGI G/VS1 Diamond Solitaire Ring in 14K Yellow Gold
Brand: Oath Jewelry
SKU: 43657-3
Availability: InStock
Rating: 5.0 (1 reviews)

A single cushion-cut diamond sits at the center of this ring, its softened square outline and rounded corners pulling light into a broad, lively flash. The 1 carat stone carries a VS1 clarity grade, so the face stays clean to the eye, while the four-prong solitaire setting leaves the diamond open to catch light from every angle. Warm 14K yellow gold frames the stone and reads bright against the skin for everyday wear. Every order ships free with a 30-day return policy.

$1,990.99

Crafted in Yellow Gold

30-day returns. Return policy

size

color

Free Priority Shipping

Secure Purchase

Genuine Materials

Ships in 1 to 2 business days

Total $1,990.99

The Meaning

The diamond solitaire has long stood for commitment held in its simplest form, a single stone with nothing to compete for attention. The cushion cut traces back to early candlelit eras, when wide facets were shaped to glow under low light, and that history gives the shape a softer, more romantic presence than sharper modern cuts.

A solitaire like this often marks an engagement or a milestone anniversary, the kind of moment worth keeping plain and clear. As April's birthstone, the diamond also makes this ring a way to mark a spring birthday or simply to carry one bright point of light through ordinary days.

Product Details & Specs

Metal: Yellow Gold
Karat: 14K
Gemstone: Diamond
Stone Shape: Cushion
Total Carat Weight: 1 ct
Clarity: vs1
Setting: Solitaire
Certification: IGI certified

Frequently Asked Questions

What does the IGI certification mean for this piece?: This ring's diamond is graded by IGI, the International Gemological Institute, an independent laboratory. IGI evaluates and documents the stone for color, cut, clarity, and carat weight, then issues a report. That means the 1 carat cushion diamond's quality is verified by a third party rather than the seller alone.
What do the color and clarity grades mean for this diamond?: This diamond carries a VS1 clarity grade, meaning any inclusions are very slight and not visible to the unaided eye, so the stone looks clean face-up. The color grade is not specified for this listing; clarity at VS1 places it among well-balanced stones where light passes through without obvious interruption.
Whose birthstone is Diamond and what month does it represent?: The diamond is the birthstone for April. It is the only traditional birthstone assigned to that month, with no widely recognized secondary stone. A diamond ring like this one makes a fitting choice for an April birthday, or for anyone drawn to a clear, colorless gem regardless of their birth month.
Is 14K or 18K gold better for a diamond ring?: This ring is made in 14K gold, which is 58.3% pure gold alloyed for added strength, making it well suited to daily wear. 18K gold is 75% pure, offering richer color but a slightly softer surface. The better choice depends on your lifestyle and whether durability or deeper color matters more to you.
What width works best for daily wear versus a statement look?: This solitaire keeps a slim band that suits daily wear, sitting close to the finger and stacking easily with other rings. For a bolder statement, a wider band reads heavier and frames the stone with more metal. A narrow shank lets the 1 carat cushion diamond take center attention.
How do I find the right ring size?: Ring size is best measured by a local jeweler using a sizing set, which gives the most reliable fit. At home, wrap a strip of paper around the base of your finger, mark where it meets, and measure that length against a size chart. Measure at the end of the day when fingers are warm.
What is the shipping and return policy?: Oath Jewelry ships every order free with tracking included. Returns are accepted within 30 days of delivery; customers are responsible for return shipping, and a 15% restocking fee applies. Orders are packaged securely and arrive ready to gift.

Shipping & Returns

Free U.S. shippingOn every order, no minimum

Ships in 1 to 2 business daysThen 2 to 5 business days in transit

30-day returnsUnworn and in original condition

Tracking on every orderEmailed as soon as it ships