What does the IGI certification mean for this piece?

This ring's diamond is evaluated and documented by the International Gemological Institute, an independent laboratory. IGI assesses the stone for color, cut, clarity, and carat weight, then records those findings on a grading report. The certification gives you a third-party account of exactly what sits in the setting.

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

This diamond carries a VS1 clarity grade, meaning any inclusions are minor and difficult to see without magnification, so the stone reads clean to the eye. VS1 is among the higher clarity tiers. Color for this ring is documented separately on the IGI report that accompanies the stone.

Whose birthstone is Diamond and what month does it represent?

Diamond is the birthstone for April. It stands alone as that month's traditional gem, long linked to durability and clear brilliance. A diamond ring like this one suits an April birthday celebration, carrying personal meaning for anyone born during the month while reading as a classic choice year-round.

How does the Solitaire setting compare to a prong setting?

This solitaire setting features a single center diamond held by prongs, so the two terms describe the same ring rather than competing styles. Solitaire refers to the lone stone, while prongs are the small metal claws gripping it. The open prongs let light reach the cushion diamond from multiple angles.

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

This ring pairs a slim band with a large 5 carat center, so the stone carries the statement while the narrow shank stays comfortable for everyday wear. Slimmer bands sit close to the finger and stack easily, while wider bands feel more substantial and read as bolder on their own.

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 the finger, mark where it meets, and measure the length in millimeters against a standard size chart. Measure when 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.

10K yellow gold ring with 1 cushion diamond solitaire stone

5 Carat Cushion Lab Grown IGI G/VS1 Diamond Solitaire Ring in 10K Yellow Gold

Name: 5 Carat Cushion Lab Grown IGI G/VS1 Diamond Solitaire Ring in 10K Yellow Gold
Brand: Oath Jewelry
SKU: 33646-3
Availability: InStock
Rating: 5.0 (1 reviews)

A 5 carat cushion diamond sits high above the band, its softened square outline catching light across the back of the hand. The single stone setting keeps the profile clean, with no side stones to catch on fabric or hair through the day. The 10K yellow gold band is slim enough to stack alongside a plain wedding band, and the raised crown wipes clean with a soft cloth. Every order ships free with a 30-day return policy.

$3,603.99

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 $3,603.99

The Meaning

A solitaire diamond carries a long association with commitment and singular focus, the lone stone standing for one promise held above all others. Diamond, April's birthstone, has historically signaled clarity and strength, qualities that made it a natural choice for rings meant to mark a lasting bond.

Worn daily on the hand, a ring like this becomes part of small repeated moments: a hand resting on a table, a wave goodbye, an anniversary remembered years later. It often marks an engagement or a milestone birthday for someone born in April, carried forward as a steady marker of that day.

Product Details & Specs

Metal: Yellow Gold
Karat: 10K
Gemstone: Diamond
Stone Shape: Cushion
Total Carat Weight: 5 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 evaluated and documented by the International Gemological Institute, an independent laboratory. IGI assesses the stone for color, cut, clarity, and carat weight, then records those findings on a grading report. The certification gives you a third-party account of exactly what sits in the setting.
What do the color and clarity grades mean for this diamond?: This diamond carries a VS1 clarity grade, meaning any inclusions are minor and difficult to see without magnification, so the stone reads clean to the eye. VS1 is among the higher clarity tiers. Color for this ring is documented separately on the IGI report that accompanies the stone.
Whose birthstone is Diamond and what month does it represent?: Diamond is the birthstone for April. It stands alone as that month's traditional gem, long linked to durability and clear brilliance. A diamond ring like this one suits an April birthday celebration, carrying personal meaning for anyone born during the month while reading as a classic choice year-round.
How does the Solitaire setting compare to a prong setting?: This solitaire setting features a single center diamond held by prongs, so the two terms describe the same ring rather than competing styles. Solitaire refers to the lone stone, while prongs are the small metal claws gripping it. The open prongs let light reach the cushion diamond from multiple angles.
What width works best for daily wear versus a statement look?: This ring pairs a slim band with a large 5 carat center, so the stone carries the statement while the narrow shank stays comfortable for everyday wear. Slimmer bands sit close to the finger and stack easily, while wider bands feel more substantial and read as bolder on their own.
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 the finger, mark where it meets, and measure the length in millimeters against a standard size chart. Measure when 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