ZKZ Jewelry Is A Leading Lab Grown Diamond And Custom Jewelry Manufacturer

18K Custom Lab Diamond Ring 5ct Marquise Customized engagement ring Classic 2-Prong Ring CVD 1

18K Custom Lab Diamond Ring 5ct Marquise Customized engagement ring Classic 2-Prong Ring CVD 2

18K Custom Lab Diamond Ring 5ct Marquise Customized engagement ring Classic 2-Prong Ring CVD 3

18K Custom Lab Diamond Ring 5ct Marquise Customized engagement ring Classic 2-Prong Ring CVD 4

18K Custom Lab Diamond Ring 5ct Marquise Customized engagement ring Classic 2-Prong Ring CVD

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Certification:

IGI Certification

Brand Name:

ZKZ jewelry

Place of Origin:

China

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Side Stones

1ct

Diamond Shape

Marquise

Metal

18k white gold

Diamond Type

CVD

Diamond Clarity

Diamond Color

Carat Weight

5ct

Custom Marquise, Certified Luxury

Customize your forever with a responsibly grown 5-carat marquise lab diamond set in warm 18K gold for brilliant sparkle and ethical value at a more accessible price. The classic two-prong setting showcases the elongated silhouette for maximum light return while expert craftsmanship and CVD certification ensure lasting clarity and security. Each ring ships in a premium gift box with a certificate of authenticity, complimentary resizing and lifetime polishing, plus insured delivery for worry-free unboxing.

18K CVD 5ct Marquise

This 18K custom engagement ring features a 5ct marquise CVD lab diamond set in a classic two-prong design, offering precise customization of carat, color, and finish to suit personal style. Ethically produced and cost-efficient compared with mined stones, the lab-grown diamond delivers high brilliance and consistent quality while the secure two-prong setting highlights the stone and ensures everyday wearability. The elongated marquise shape visually lengthens the finger and the minimalist prong structure maximizes light performance; combined with durable 18K gold and tailored sizing, the ring balances elegance, comfort, and long-term durability.

Custom 18K Marquise Diamond

Crafted in 18K gold, this custom engagement ring showcases a striking 5-carat marquise CVD lab-grown diamond that combines exceptional brilliance with ethical sourcing. The classic two-prong setting elevates the marquise stone for maximum light exposure and a refined, timeless profile. Personalization options let you tailor the finish and sizing for a perfect, bespoke expression of commitment.

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Ethical Brilliance, Classic Craftsmanship

This 18K custom engagement ring features a 5-carat marquise CVD-grown lab diamond set in a classic two-prong mounting, handcrafted by experienced jewelers to combine modern sustainability with timeless elegance. Key features and advantages include an ethically produced lab-grown diamond with excellent brilliance and clarity, a durable 18K gold band, a minimalist two-prong design that maximizes light return and elongates the finger, plus customization options for size and engraving and certified quality assurance. As a bespoke statement piece, it offers striking marquise sparkle with minimal metal to showcase the stone, long-lasting craftsmanship, and a responsible luxury choice for couples seeking both beauty and conscience.

Application scenario

This 18K custom lab diamond 5ct marquise engagement ring is a striking choice to mark a proposal and symbolize lifelong commitment. Its classic 2-prong setting and CVD-grown marquise diamond create an elegant, personalized look suited for anniversaries, milestone celebrations, or as a bespoke gift. With custom sizing and styling options, it’s ideal for couples seeking a unique, sustainable statement piece to be treasured every day.

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FAQ

Is this 18K 5ct marquise CVD lab diamond ring suitable as an daily-wear engagement ring?

Yes — it can be used as an engagement ring — but keep in mind the marquise cut and classic 2‑prong setting are more exposed than halo or bezel styles. With routine wear you should avoid heavy manual work, get the prongs checked regularly, and consider a ring guard or alternate setting if you have an active lifestyle.

Can I customize the stone size, cut, metal color, or engraving for special occasions (engagement, anniversary, gift)?

Yes. This model is offered as a custom piece: you can typically choose different carat weights, diamond quality/grading, change the marquise to a different cut, select 18K yellow/white/rose gold, and add engraving. Lead times and pricing vary — confirm options with the jeweler before ordering.

How should I care for and clean a large marquise diamond in a 2‑prong 18K setting to keep it show-ready for events?

Clean gently with warm water, mild soap and a soft brush; avoid bleach and abrasive cleaners. Have a professional jeweler inspect and clean the ring every 6–12 months to check prongs and setting security. Ultrasonic cleaners can be used only if the stone is secure; check with your jeweler first.

Are CVD lab diamonds as durable and appropriate for heirloom or investment pieces as natural diamonds?

CVD lab diamonds are real diamonds with the same hardness, brilliance, and physical properties as mined diamonds, making them durable for long-term wear. Market perceptions and resale values may differ, so ask for an independent grading report (GIA, IGI, or similar) and consider insurance for high-value pieces intended as heirlooms.

Can this 18K ring be resized later if my finger size changes after purchase?

Generally yes — 18K gold can be resized by a competent jeweler. Small up/down adjustments are straightforward; large changes or complex custom features may require more work or remaking the ring. If you need a specific size, request sizing before final setting when ordering custom.

What occasions and styling ideas work best for a 5ct marquise 2‑prong ring, and any precautions for special events?

This ring makes a dramatic engagement, anniversary or cocktail statement and pairs well with a contoured or slim wedding band. For formal events or photos it’s a standout center piece; for active events (sports, gardening) remove it to avoid snagging or damage. Always store it separately in a soft pouch and insure it for travel or special-occasion wear.

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