2.50 Carat Lab-Created Oval Diamond & Sapphire Engagement Ring Set — 14kt Yellow Gold

2.50 Carat Lab-Created Oval Diamond & Sapphire Engagement Ring Set in 14kt Yellow Gold

An elegant oval diamond and sapphire engagement ring set featuring a 2.50 carat lab-created oval diamond in DEF color and VVS/VS clarity, accented by 0.55 carats of sapphires on the engagement ring. Available as a 2-ring set (engagement ring + sapphire wedding band, 0.60ct) or a 3-ring set for a complete bridal look — all crafted in 14kt yellow gold. Total carat weight: 3.65tcw. SKU: AJENG-0025. From $2,550.

Ring Set at a Glance

• Center Stone: Lab-Created Oval Diamond — 2.50ct, DEF Color, VVS/VS Clarity
• Engagement Ring Sapphires: 0.55ct
• Wedding Band Sapphires: 0.60ct
• Total Carat Weight: 3.65tcw
• Metal: 14kt Yellow Gold (585 purity)
• Setting Style: Prong-Set
• Engagement Ring Thickness: 1.80mm
• Band Thickness: 1.60mm
• Estimated Ring Weight: 4.50g
• Set Options: 2-Ring Set (engagement ring + wedding band) from $2,550 — or 3-Ring Set from $3,350
• SKU: AJENG-0025

Stone Details — Lab Diamond, DEF Color, VVS/VS Clarity

The 2.50 carat oval-cut center stone is a lab-created diamond — chemically, physically, and optically identical to a mined diamond, grown in a controlled environment without the environmental impact of mining. DEF color places this diamond in the colorless-to-near-colorless range, meaning it faces up bright white with no visible tint. VVS/VS clarity means inclusions are either very slight or undetectable without magnification, ensuring a clean, brilliant appearance. The oval cut is one of the most sought-after shapes in bridal jewelry — its elongated silhouette makes the finger appear longer and slender, while its brilliant facet pattern maximizes light return and sparkle.

The Setting — Sapphire Accents in 14kt Yellow Gold

The engagement ring features 0.55 carats of sapphire accents flanking the oval diamond, adding rich blue color that beautifully contrasts the white brilliance of the center stone. The warm tone of 14kt yellow gold (585 purity) creates a timeless, elegant backdrop that enhances both the diamond's brightness and the sapphire's depth of color. The prong setting keeps the oval diamond elevated for maximum light exposure, while the slim 1.80mm profile ensures the ring sits comfortably on the finger and stacks seamlessly with the included wedding band.

The Set — Choose Your Option

This listing gives you the flexibility to build the bridal set that's right for you. The 2-ring set includes the oval diamond sapphire engagement ring paired with a sapphire wedding band (0.60ct), creating a cohesive look where blue sapphires wrap continuously around the finger. Upgrade to the 3-ring set for a complete bridal stack — the additional band completes the set for a finished, coordinated look on your wedding day. Both options are crafted to stack flush with each other with no gaps.

✦ Why Shop With Treasured & Co.

• ✔ Lab-created diamond — same brilliance as mined, better value
• ✔ Choose your set: 2-ring or 3-ring complete bridal option
• ✔ Handcrafted, not mass-produced
• ✔ Free shipping on all orders
• ✔ Available in sizes 5–9 — contact us for custom sizing
• ✔ Visit us in store: 30-06 Steinway St, Astoria, NY 11103
• ✔ Financing available through Affirm

What Makes an Oval Diamond Engagement Ring Special?

The oval cut has surged in popularity over the past decade, now ranking among the top engagement ring shapes. Its elongated form creates a flattering finger-lengthening effect, while the brilliant-cut faceting produces exceptional sparkle — comparable to a round brilliant but with a larger surface area at the same carat weight. Paired with sapphire accents and yellow gold, the oval diamond takes on a vintage-inspired elegance that feels both timeless and modern. A 2.50 carat oval diamond delivers dramatic presence on the hand without the price premium of a round stone of the same weight.

Specifications

Center Stone:

Sapphire

Total Carat Weight:

3.65 tcw

Cut:

Oval

Treatment:

Lab-Grown

Metal:

14Kt Yellow Gold

Band Width:

1.80mm

About This Ring

Sapphire is 9 on the Mohs scale — second only to diamond — making it fully suited to daily wear in an engagement ring, not just an heirloom piece.

What's Included

• A Treasured & Co. certificate of authenticity
• Hand-finished presentation box
• Free insured 2-day FedEx or USPS Priority shipping (US domestic)
• Complimentary first resizing within 60 days of delivery
• 30-day return window — full refund, no restocking fee
• Lifetime craftsmanship guarantee

Browse more unique engagement rings in our collection, or contact our specialist for sizing, viewing, or custom design questions.