18K 1ct Lab Grown Diamond Heart Cut Three Stone Engagement Ring
SKU: LBSH008
FedEx UPS Insured worldwide shipping. Handcrafted to order, estimated delivery May 10 – May 20.
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Celebrate love in its purest form with this romantic 18K Solid Gold Three-Stone Diamond Engagement Ring. The centerpiece features a striking 0.75ct heart-shaped Lab Grown diamond (6.00mm), symbolizing true love and devotion. Flanking the heart are two dazzling pear-cut side diamonds (0.26tcw), representing the bond of past, present, and future in your love story.
The three-stone design is a timeless favorite, blending elegance with deep meaning. Set in a sleek 1.5mm 18K solid gold band, this ring delivers both comfort and sophistication. With its E color and VS1 clarity, the diamonds shine with unmatched brilliance, making it the perfect symbol of everlasting commitment.
Certified by IGI, this engagement ring assures authenticity, quality, and exceptional craftsmanship—ideal for proposals, anniversaries, or celebrating milestones of love.
Product Details:
Metal: 18K Solid Gold
Diamond Type: Lab Grown Diamond
Centre Diamond Details ◈
Diamond Shape: Heart
Diamond Pcs: 1
Diamond Size: 6.00mm (±0.05mm)
Diamond Weight: 0.75tcw (±0.05ct)
◈ Side Diamond Details ◈
Diamond Shape: Pear
Diamond Pcs: 2
Diamond Size: 3.00x2.00mm (±0.05mm)
Diamond Weight: 0.26tcw (±0.05ct)
Band Thickness: 1.50 mm
Band Width: 1.50 mm
Clarity: VS1
Certifications: IGI
Shipping Time: 15-22 days
Shipping Information
We offer free shipping across the World on all orders—no minimum required.
- Processing & Handling: 5–10 business days
- Shipping Time: 10–15 business days
- Total Delivery Time: 15–25 business days from the date of order
- Carriers: USPS & UPS
Please inspect your package upon delivery for any damage or tampering before signing.
For assistance, contact us at contact@riyanikajewels.com
At Riyanika Jewels, every piece is crafted in solid gold — 18K as our signature, with 14K available across our full catalogue for customers who want a more accessible entry price or everyday-wear durability. Every design ships with certifications that verify the authenticity and quality of both the metal and the stones.
Gold Certification
Every Riyanika piece is solid gold, with the official government-recognized certification that guarantees purity and authenticity — 75% pure gold for 18K, 58.5% pure gold for 14K. Same transparency either way.
Lab-Grown Diamond Jewelry
Our lab-grown diamond jewelry is certified by the International Gemological Institute (IGI). Each certificate verifies the diamond's authenticity, along with detailed grading of cut, clarity, color, and carat weight—ensuring you receive a diamond of the highest standard.
Natural Diamond Jewelry
All natural diamond solitaires and center stones are graded by the Gemological Institute of America (GIA), the world's most trusted authority in diamond grading. Each purchase includes the corresponding GIA certificate.
Gemstone Jewelry
Every gemstone piece is accompanied by a detailed Gemologist Report, offering an in-depth analysis of the stone's unique characteristics.
Optional Certification: Customers may request IGI or GIA certification on any piece. This service requires an additional fee and may take 30–40 days for processing.
At Riyanika Jewels, every piece is crafted in solid gold — 18K as our signature, or 14K for those who prioritize everyday durability — and set with Natural or Lab-Grown Diamonds. The care guidance below is the same whichever karat you choose.
1. Clean Regularly
Gently clean your jewelry using a mild soap and lukewarm water solution. Use a soft brush to remove dirt, rinse thoroughly, and dry with a soft lint-free cloth.
2. Store Safely
Keep your jewelry in a dry place, ideally in a jewelry box or soft pouch. Store pieces separately to prevent scratches and tangling.
3. Avoid Harsh Chemicals
Remove your jewelry before swimming, bathing, or using cleaning products. Chemicals such as chlorine and detergents can damage both gold and diamonds.
4. Handle with Care
Avoid wearing your jewelry during strenuous activities like exercising, gardening, or heavy lifting. This prevents accidental knocks, scratches, or loosening of stones.
5. Inspect Periodically
Check your jewelry regularly for loose stones or worn settings. If you notice any issues, contact us immediately for professional repair and maintenance.
By following these tips, your Riyanika Solid Gold Natural or Lab-Grown Diamond Jewelry will remain stunning for years to come.
For any questions or assistance, feel free to reach out to us at contact@riyanikajewels.com.