IGI Certified 3 Carat Marquise Cut Lab Grown Diamond Split Shank Engagement Ring

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Gemstone Quality
Metal: 14K White Gold
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Product Description

Make the proposal unforgettable with this 3 carat marquise cut lab grown diamond engagement ring, designed with a vintage-inspired split shank that draws the eye toward its elongated center stone. Round lab grown diamond accents add brilliance across the divided band and bridge, giving the ring a detailed, dimensional look while preserving the marquise diamond as the unmistakable focal point. Its balance of vintage character and statement sparkle makes it a distinctive symbol for engagement, commitment, and a shared future.

IGI Certified 3 Carat Marquise Lab Grown Diamond Split Shank Ring

The centerpiece is an approximately 3.00 carat marquise-shaped lab grown diamond measuring 15 x 7 mm. It features brilliant-cut faceting, E color, VS1 clarity, and a prong setting, with IGI certification supporting its grading details. Sixty round lab grown diamonds add approximately 0.42 carat across the split-shank design, bringing the ring to an approximate total stone weight of 3.42 carats. The accent diamonds are E-F color, VS quality, brilliant cut, and prong set. The confirmed version is crafted in 92.5 sterling silver with an approximate metal weight of 2.96 grams.

What Makes This Marquise Diamond Split Shank Ring Special

  • Approximately 3.00 carat IGI-certified marquise lab grown diamond as the center stone.
  • Elongated 15 x 7 mm center diamond with E color and VS1 clarity.
  • Brilliant-cut faceting and a prong setting emphasize the marquise silhouette.
  • Sixty round lab grown diamond accents total approximately 0.42 carat.
  • E-F color and VS quality side diamonds add bright contrast around the center.
  • Split-shank construction creates an open, dimensional frame leading toward the marquise diamond.
  • Additional diamond detailing along the bridge adds sparkle beyond the top view.
  • Approximately 3.42 carats of total diamond weight.

Why Choose a Vintage Inspired Marquise Diamond Engagement Ring

The marquise shape combines an elongated outline with pointed ends, creating a dramatic center profile that naturally draws attention along the finger. Here, the split shank expands toward the center and surrounds it with round diamond sparkle, while the diamond-set bridge adds detail from the side. The result blends vintage-inspired character with a more dimensional engagement-ring silhouette, making it especially fitting for someone who wants a proposal ring that feels expressive, distinctive, and centered on one commanding diamond.

IGI Certified Lab Grown Diamond Craftsmanship & Authenticity

The 3 carat marquise lab grown diamond comes with an IGI Certificate, providing independent grading documentation for the center stone. Rosec Jewels also offers certification of authenticity with its jewelry for added product confidence. The ring is crafted with attention to secure prong settings, split-shank alignment, bridge detailing, and refined finishing, with stone inspection, setting security review, and finishing inspection completed before dispatch. Care guidance further supports responsible long-term wear.

Styling a 3 Carat Marquise Lab Grown Diamond Engagement Ring

The elongated 15 x 7 mm center diamond creates strong finger coverage from above, while the split shank and diamond-set bridge add visual interest from multiple angles. Its substantial center makes it especially suited to a statement proposal or milestone anniversary, while the vintage-inspired detailing gives it more personality than a plain solitaire. The sterling silver setting provides a cool-toned backdrop for the E-color center and bright E-F accent diamonds, allowing the diamond arrangement to remain the focus.

Product Information
SKU SHP-RINGS052610046
Metal Weight 2.96 gm (Approximate)
Total Stone Weight 3.42 Carat (Approximate)
LAB GROWN DIAMOND(IGI) INFORMATION
No.of Stones 1 Pieces
Total Weight 3.00 Carat (Approximate)
Dimension(approx) Marquise-15X7 mm-1 Pcs
Color E
Cut Brilliant
Shape Marquise
Setting Type Prong-Setting
Quality Grade VS1
LAB GROWN DIAMOND INFORMATION
No.of Stones 60 Pieces
Total Weight 0.42 Carat (Approximate)
Dimension(approx) Round-1.10X1.10 mm-24 Pcs
Round-1.20X1.20 mm-16 Pcs
Round-1.30X1.30 mm-4 Pcs
Round-1.40X1.40 mm-4 Pcs
Round-1X1 mm-12 Pcs
Color E-F
Cut Brilliant
Shape Round
Setting Type Prong-Setting
Quality Grade VS
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FAQs About: Vintage Inspired Marquise Cut Lab Grown Diamond Engagement Ring IGI Certified 3 Carat

What are the size and quality of the 3 carat marquise lab grown diamond?

The center stone is an approximately 3.00 carat lab grown diamond measuring 15 x 7 mm. It has a marquise shape, brilliant cut, E color, VS1 clarity, and is secured in a prong setting.

Is the 3 carat marquise lab grown diamond IGI certified?

Yes. The marquise-shaped 3 carat lab grown center diamond comes with an IGI Certificate, providing independent grading documentation for the stone.

How many accent diamonds are in this split shank engagement ring?

The ring contains 60 round lab grown diamond accents totaling approximately 0.42 carat. They are brilliant cut, graded E-F color and VS quality, and are secured in prong settings.

What makes the split shank design distinctive?

The band divides as it approaches the marquise center stone, creating an open, dimensional frame around the focal diamond. Round diamond accents decorate the split shank, while additional stones along the bridge add sparkle from the side.

Is this vintage inspired marquise diamond ring suitable for a proposal?

Yes. Its 3 carat marquise center, diamond-accented split shank, and detailed bridge give the ring a strong engagement-ring presence. The vintage-inspired styling makes it especially suited to someone who wants a distinctive alternative to a plain solitaire proposal ring.

What metal is used for this marquise lab grown diamond engagement ring?

The confirmed version is crafted  in 92.5 sterling silver and selected yellow rose or white gold options in 10K, 14K, and 18K with an approximate metal weight of 2.96 grams. The ring has an approximate total diamond weight of 3.42 carats.

Does this lab grown diamond engagement ring come with authenticity documentation?

Yes. The 3 carat marquise center diamond comes with an IGI Certificate, and Rosec Jewels offers certification of authenticity with its jewelry. The piece also goes through stone inspection, setting security review, and finishing inspection before dispatch.