Lab Grown Diamond Round Brilliant Cathedral Solitaire Ring 0.50ct
Anchored by a certified 0.50 carat round brilliant lab grown diamond, this cathedral solitaire ring features an architectural six-prong head assembly. Set on a tapered 14K yellow gold band with white metal prongs for optical color neutrality, the center stone is graded E-F colorless and VS clarity. Complete with IGI certification on request, each piece is built factory-direct. Available in INR or USD pricing at checkout. Select your preferred lab grown diamond or hand-cut moissanite variation online.
₹14,554 – ₹59,766Price range: ₹14,554 through ₹59,766
Gross Weight
Metal Weight
Diamond Carat
Diamond Count
| Size | Color | Clarity | Shape | No. Of Diamonds | Total Weight |
| 0.50 to 0.69 | EF | VS | Round | 1 | 0.500 |
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Get Delivery on : 5-8 Sep
50% Off on Making Charges
- No Fading or Tarnish: Available in solid 18K, 14K, or 10K Gold, and premium Platinum 950 mixed to never change color from daily wear.
- 100% Skin Safe: Completely nickel-free and lead-free across all metal options to ensure zero rashes or green marks on sensitive skin.
- Independent Certification: Fully verified and certified by IGI or SGL laboratories for both metal purity and stone authenticity.
- Free First Resizing: Includes one completely free professional ring resizing within the first 60 days of delivery for a perfect fit.
- Lifetime Structural Warranty: Free prong tightening and accent stone replacements for life if any side stones ever loosen over time.
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Independent Lab Certification (IGI & SGL)
- Third-Party Proof: Every piece is strictly audited and certified by independent global authorities (IGI or SGL).
- Laser-Inscribed: Center gems feature a microscopic lab report serial number etched on the edge for permanent tracking.
- Verified Alloys: Labs verify and stamp the exact metal purity hallmarking alongside the gemstone metrics.
Precious Metal Purity & Skin Safety
- The Nickel-Free Guarantee: Most allergic skin reactions to jewelry are caused by cheap nickel alloys. Our jewelry is 100% nickel-free and lead-free, guaranteeing a clean, rash-free wearing experience even in warm weather.
- Engineered Against Tarnish: Whether you choose our solid 18K, 14K, 10K gold, or our premium Platinum 950, our precious metals are mixed to guarantee they will not oxidize, fade, or discolor over time. You can safely wear your jewelry every single day without losing its rich luster.
- No Green Skin: Because we entirely reject base metals, copper fills, and flash-plating, our jewelry will never tarnish, oxidize, or turn your skin green or grey.
Elite Craftsmanship & Stone Security
- Micro-Prong Precision: Every accent diamond or moissanite is meticulously set under microscopic magnification. Prongs are rounded into smooth, snag-free beads that lock the stones in place without catching on fine fabrics or silk.
- Reinforced Gallery Rails: Our ring mountings and pendant baskets feature integrated structural gallery rails. This architectural design distributes impact shock evenly, preventing center stones from shifting or loosening over a lifetime of wear.
- Artisan Mirror Polishing: Before your piece is set, the entire metal chassis undergoes a multi-stage high-gloss hand polishing process, maximizing internal light reflections and giving the metal a liquid-like mirror shine.
Insured Premium Shipping & Presentation
- Armored Courier Delivery: Your finished heirloom travels through an express, fully insured armored courier network. For your security, a physical adult signature is strictly required upon delivery.
- The Luxury Presentation Vault: To maintain absolute discretion and surprise, the parcel arrives in an unbranded outer box. Inside, it opens into a heavy timber, velvet-lined presentation vault designed to protect and showcase your piece for years to come.
- Lifetime Warranty Support: Every finished jewelry creation is backed by our signature structural integrity guarantee, covering manufacturing verification and offering direct access to our master workshop for future sizing or maintenance needs.
Material Details
- Our Lab Grown Diamonds are EF colour VVS-VS clarity & All 0.75 ct+ are IGI certified and available in options of colour, clarity, Cut & Size
- All products Can Be Ordered in available 3 Metal Tone options: Yellow, White, and Rose
- Ladies ring pricing is maximum for ring size US8 and for Gents, it is till ring size US9.
Additional charges will be applicable above that. - Each piece is customized and made to order. Diamonds can be set according to your preference
Story
The Stone(s)
The center of this solitaire ring features a single, independently graded 0.50 carat round brilliant laboratory-grown diamond. Graded at an E-F colorless tier and VS clarity, the stone is entirely eye-clean, ensuring no visible inclusions to the naked eye. The classic round brilliant faceting profile is engineered to optimize light ingress and internal pavilion reflection, producing sharp optical symmetry. In accordance with our standard catalog criteria, every diamond adheres strictly to Ideal, Excellent, or Very Good cut parameters. On request, the piece is accompanied by an official IGI jewelry certification, featuring a laser-inscribed report number on the stone’s girdle that is fully verifiable at igi.org.
The Setting
The structural head utilizes a specialized six-prong assembly that delivers maximum prong security while maintaining a highly balanced, round stone profile. Crafted in white metal, the prongs eliminate yellow gold color transfer into the diamond’s edge, preserving its colorless character. The setting is elevated via a classic cathedral architecture, where the band shoulders sweep upward to anchor the base of the head. Beneath the center stone, an open structural lattice under-gallery acts as a functional window, maximizing light transmission through the pavilion facets to support optimal refraction.
Metals and Finish
This piece is rendered in a high-polish 14K yellow gold (585 purity code), providing a robust structural balance between fine gold content and long-term durability against daily surface abrasion. The band is meticulously tapered, widening slightly toward the raised shoulders to handle the mechanical stresses of the elevated cathedral setting. For alternative styling, the ring can be customized across four additional metal tiers: 950 Platinum (the densest option for ultimate prong security), 18K Gold (750 purity), 10K Gold (417 alloy for maximum scratch resistance), or 925 Sterling Silver for everyday fashion wear.
Customisation and Origin
Our factory-direct model allows full adaptation of this design to your precise specifications. Through our structured post-purchase confirmation process, you can customize the center stone carat weight across our standard solitaire tiers (0.25ct to 3.00ct+) or select alternative color and clarity ranges.
The tapered cathedral band is calibrated to standard international half and quarter-ring sizing to ensure the elevated head sits securely on the finger without shifting during active daily wear.
Order Process & Fulfillment: Within 24 hours of checkout on primiraluxury.com, our Surat team confirms your exact specifications via WhatsApp and email before production begins. Standard made-to-order production requires 15–35 business days (up to 45 business days in rare sourcing or third-party laboratory certification cases). Domestic shipments above ₹10,000 ship free via Blue Dart/Delhivery within 2–7 business days after dispatch. International express shipping is available via DHL/FedEx/UPS (5–7 business days, signature required).
Returns & Buyback Policy: Returns are accepted within 7 calendar days of delivery only where the delivered product is materially different from confirmed specs, damaged in transit, or the wrong item shipped. The item must be unused, unworn, and in original packaging with the invoice and certification. Standard made-to-order jewelry and customized pieces are final sale. Value recovery is available through our structured buyback program, valuing gold at the prevailing market rate on the evaluation date, minus making charges, taxes, and processing fees.
Crafted in Surat — the city that cuts 90% of the world’s diamonds — and shipped factory-direct.
TECHNICAL SPECIFICATIONS MATRIX
| Specification Parameter | Technical Data / Standard Tier |
|---|---|
| Center Stone Type | Laboratory-Grown Diamond (CVD/HPHT available) |
| Center Stone Shape | Round Brilliant |
| Center Stone Count | 1 |
| Carat Weight (CTW) | 0.50 Carat |
| Color Grade | E-F (Colorless) |
| Clarity Grade | VS (Eye-clean, no stocked tiers below VS2) |
| Cut Grade | Excellent / Ideal |
| Setting Style | 6-Prong Cathedral with White Metal Head |
| Default Metal Tier | 14K Yellow Gold (585 Fineness) |
| Alternative Metal Tiers | 950 Platinum, 18K Gold (750), 10K Gold (417), 925 Silver |
| Band Finish / Profile | High Polish / Tapered Cathedral |
| Gross Weight (Approx.) | 2.740 grams |
| Metal Weight (Approx.) | 2.600 grams |
| Certification Pathway | IGI / SGL Jewelry Certification Available on Request |
| Production Window | 15–35 Business Days |
Lifetime
Warranty
100% Money
Back Guarantee
Easy
Customization
7 Days
Return
14 Days
Exchange
Insured
shipping

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Have a custom idea for this design?
Love this design but have a few tweaks is mind? Talk to our designer. Get a free quote for customization.
- Custom-Made | Perfect Fit | Timeless Quality | Lifetime Care & Support.
- Order on 14 Aug| Dispach On 1 Sep | Delivery on 6-8 Sep.
- Shop with confidence! GIA, IGI, Certified Lab Diamonds AND BIS Hallmarked and SGL / IGI Certified Jewelry.
- Free worldwide Express shipping on all orders over $450.
- Comes with the Primira Luxury Jewellery kit and authenticity certificate.
- Our 18K, 14K & 10K solid gold pieces are made to last forever. 18K, 14K & 10K gold will not oxidise or discolour so you can wear your jewellery daily.
Faq's
What are lab grown diamonds or lab created diamonds?
Is the metal in this product solid or plated?
All our rings are crafted from genuine solid sterling silver, 10k, 14k, 18k, and 950 Platinum.
Do you offer personalized Jewellery customization services?
Do you provide engraving services?
Do you provide pictures of the Jewellery prior to dispatching it?
Is there a warranty for the Jewellery?
Can you create bespoke engagement rings upon request?
Is it possible to resize my ring?
What kind of closure is used in your earrings?
Does a pendant come with a chain included?
Do Jewellery include ready-to-gift packaging?
What is the estimated shipping time for the product?
Is international shipping available?
How will my order be shipped?
Is a rush order service available?
What payment methods do you accept?
Do you provide layaway payment options?
Certainly, we offer installment payments through Bread Payments, similar to an after-pay service. The interest may vary depending on the customer, and in some cases, it may be interest-free. If you prefer not to use Bread Payments, you can email us, and we can send you an invoice for 50% of the payment at the time of the order and the remaining 50% at the time of shipping.
What is your return policy?
We have a 7-day return and 14 Days exchange policy. Please See Our Return and Refund Policy Before Purchase. If you have any questions or need instructions regarding returns, please contact us. Please ensure that you return the Jewellery with its original packaging.
What is the process for exchanging the product?
If for any reason you are not satisfied with the product or require modifications, we offer a 10-day exchange policy. Kindly email us for further details and instructions on how to proceed with the exchange.
How long does it take to receive a refund after the return has been initiated?
The refund will be processed within 5 days after we have received and inspected the return.
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