💍 GIA Natural & Lab-Grown Bridal Guide • Plainview, NY

Best Engagement Ring Stores & Diamond Boutiques in Plainview, NY [Oct 2026]

Explore 6 verified bridal showrooms and GIA-certified diamond dealers along S Oyster Bay Rd, 998b Old Country Rd, 30 Commercial Ct, 158 Manetto Hill Rd (covering postal codes 11803) specializing in natural mined diamonds, IGI/GIA lab-grown solitaires, and custom wedding bands.

← All 6 Plainview Stores 🪙 Sell Gold & Diamonds 🛠️ Jewelry & Watch Repair 💍 Engagement Rings ✨ Custom 3D CAD Design 👑 22k Gold & Bullion 📜 GIA Appraisals

Plainview, NY Local Market Overview (Oct 2026)

Shopping for a diamond engagement ring or eternity band in Plainview, New York gives couples direct access to 6 independent bridal boutiques and wholesale diamond dealers along S Oyster Bay Rd, 998b Old Country Rd, 30 Commercial Ct, 158 Manetto Hill Rd. Unlike national chain mall stores that mark up pre-set commercial stones, top-rated Plainview bridal jewelers such as Cash For Gold And Diamonds, MGD Brands Inc, Temptations Jewelry let you inspect loose GIA and IGI diamonds side-by-side under 10x gemological magnification.

Planning a weekend bridal appointment? 2 showrooms in Plainview are open on Saturdays and 1 welcome Sunday appointments, with a citywide rating of 4.7★ across 142 verified reviews.

Oct 2026 Bridal Price Benchmark

Natural Mined vs. Lab-Grown Engagement Ring Prices in Plainview

Full Diamond Carat Guide →

Center Stone Carat & Grade	GIA Natural Diamond (Loose)	IGI/GIA Lab-Grown Diamond	14k/18k or Platinum Setting
1.00 Carat (F-G Color, VS1-VS2)	$4,800 – $6,500	$750 – $1,100	$650 – $1,450
1.50 Carat (F-G Color, VS1-VS2)	$8,500 – $12,000	$1,100 – $1,600	$850 – $1,800
2.00 Carat (F-G Color, VS1-VS2)	$18,000 – $26,000	$1,600 – $2,400	$1,100 – $2,400

Quick Comparison: Top 💍 Engagement Rings Specialists in Plainview

Showroom Name	Location / Corridor	Rating & Reviews	Direct Phone
#1 Cash For Gold And Diamonds	998b Old Country Rd, Plainview, NY 11803, USA	⭐ 4.6 (49)	(866) 456-2274
#2 MGD Brands Inc	30 Commercial Ct, Plainview, NY 11803, USA	⭐ 4.9 (12)	(516) 545-0150
#3 Temptations Jewelry	369 S Oyster Bay Rd, Plainview, NY 11803, USA	⭐ 4.7 (27)	(516) 802-8249
#4 DiscountGoldAndDiamonds	998b Old Country Rd, Plainview, NY 11803, USA	⭐ 4.6 (19)	(631) 445-3374
#5 Carlos Morales Fine Jewlery	158 Manetto Hill Rd, Plainview, NY 11803, USA	⭐ 4.5 (27)	(516) 433-1114
#6 Basement Mold Removal Long Island	333 S Oyster Bay Rd, Plainview, NY 11803, USA	⭐ 4.6 (8)	(646) 513-8137

Verified Showrooms in Plainview, NY

#1 Verified Plainview Specialist ⭐ 4.6 (49 reviews)

Cash For Gold And Diamonds

📍 998b Old Country Rd, Plainview, NY 11803, USA

Cash For Gold And Diamonds is an esteemed jewelry showroom and custom design studio in Plainview. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (866) 456-2274 🌐 Website

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#2 Verified Plainview Specialist ⭐ 4.9 (12 reviews)

MGD Brands Inc

📍 30 Commercial Ct, Plainview, NY 11803, USA

MGD Brands Inc is an esteemed jewelry showroom and custom design studio in Plainview. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (516) 545-0150

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#3 Verified Plainview Specialist ⭐ 4.7 (27 reviews)

Temptations Jewelry

📍 369 S Oyster Bay Rd, Plainview, NY 11803, USA

Temptations Jewelry is an esteemed jewelry showroom and custom design studio in Plainview. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (516) 802-8249 🌐 Website

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#4 Verified Plainview Specialist ⭐ 4.6 (19 reviews)

DiscountGoldAndDiamonds

📍 998b Old Country Rd, Plainview, NY 11803, USA

DiscountGoldAndDiamonds is an esteemed jewelry showroom and custom design studio in Plainview. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (631) 445-3374 🌐 Website

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#5 Verified Plainview Specialist ⭐ 4.5 (27 reviews)

Carlos Morales Fine Jewlery

📍 158 Manetto Hill Rd, Plainview, NY 11803, USA

Carlos Morales Fine Jewlery is an esteemed jewelry showroom and custom design studio in Plainview. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (516) 433-1114

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#6 Verified Plainview Specialist ⭐ 4.6 (8 reviews)

Basement Mold Removal Long Island

📍 333 S Oyster Bay Rd, Plainview, NY 11803, USA

Basement Mold Removal Long Island is an esteemed jewelry showroom and custom design studio in Plainview. Offering fine handcrafted jewelry, diamond collections, and master artisan craftsmanship.

Fine JewelryCustom Consultation

📞 (646) 513-8137

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Frequently Asked Questions: 💍 Engagement Rings in Plainview

Where is the best place to buy an engagement ring in Plainview, NY?

The highest-rated engagement ring boutiques in Plainview include Cash For Gold And Diamonds, MGD Brands Inc, Temptations Jewelry. These independent showrooms offer loose GIA-certified natural and lab-grown diamonds, custom 3D CAD settings, and lifetime prong inspections.

Do jewelers in Plainview sell both natural and lab-grown diamonds?

Yes, the majority of bridal showrooms in Plainview, New York stock both GIA-graded natural mined diamonds and IGI/GIA-certified CVD/HPHT lab-grown diamonds at 75%–85% lower per-carat cost.

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Live Gold & Diamond Calculators

Use our free gemological tools before visiting any showroom in Plainview.

🪙 Gold Scrap Payout Calculator 💎 Diamond Carat Price Guide 💍 Ring Size Converter

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