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Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load image into Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
Load and play video in Gallery viewer, Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold

Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold

$635.00
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Return Policy: We will gladly accept returns for any reason within 15 days of receipt of delivery.

Availability: Ships anywhere in the United States

Processing Time: Allow 3-4 business days processing time for your order to ship.

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Round Lab Grown Diamond Six-Prong Knife Edge Solitaire Ring | 1.00–5.00 Carat | IGI Certified | 10K/14K/18K Yellow, White, Rose Gold
$635.00
Yellow Gold 0.50 CTW 10K

Product Details:

  • Diamond Shape: Round Brilliant Cut

  • Carat Options: 1.00–5.00 ct

  • Diamond Type: CVD Lab-Grown

  • Diamond Color: E–F

  • Diamond Clarity: VVS–VS

  • Certification: IGI Certified

  • Setting: Six-Prong Knife Edge Solitaire

  • Bandwidth: ~1.00–2.50 (~1.00–2.50 arat)

  • Metal: 10K / 14K / 18K Gold – Yellow, White, Rose

  • Finish: High Polish

  • Style: Minimalist | Modern Classic | Engagement

  • Ethical: Conflict-Free, Eco-Friendly, Sustainably Grown

  • Packaging: Premium Ring Box + IGI Certificate

  • Shipping: Free USA Shipping & Returns

  • Customization: Ring Size, Metal Karat, Hidden Halo

  • Product Code: C6-DR-364


  • Why Choose C6 Diamonds.co?

    • Conflict-Free, Earth-Friendly Lab-Grown Diamonds

    • IGI Certification Included for Every Diamond

    • USA-Ready Shipping & Support

    • Customizations Available on Request

    💎 Ethically sourced. Visibly stunning. Responsibly priced.


    Elevate your proposal with the elegance of our Six-Prong Knife Edge Solitaire Ring, featuring a brilliant round lab-grown diamond set in a refined, sculpted band with a sharp knife-edge profile for added dimension and shine.

    Each diamond is IGI certified, grown using the CVD process, and hand-selected for E–F colour and VVS–VS clarity, offering remarkable brilliance and ethical peace of mind.

    Available in 1.00 to 5.00 carats and crafted in your choice of 10K, 14K, or 18K solid gold—including yellow, white, or rose gold—this design combines timeless romance with modern refinement, making it perfect for engagements or milestone moments.


  •  Note: Diamond weight and gold weight may vary by 3–5% due to the handcrafted nature of the piece. Every piece is made to perfection with unmatched attention to detail.

For orders placed before 7am AEDT, we endeavour to process the same business day. Orders placed after 11am AEDT will be processed the next business day.

During sale events and new collection launches, there may be a slighly longer processing time.

All Auguste orders are hand-picked and packed with love from Byron Bay, Australie.

You can choose between a refund or a credit note on full priced items. We have 15 days Return policy

  • Item(s) must be returned in their original condition and packaging: unworn, unwashed and with all tags attached.
  • Earrings cannot be returned due to health and safety reasons.
  • Return shipping methods and associated costs are the responsibility of the customer.
  • Sale items can not be refunded for change of mind.

Customer Reviews

Based on 247 reviews
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(247)
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E
Emma Morgan
Sparkling Product

Thrilled to receive how realistic the stone looks. A forever favorite in my collection.

N
Noah Parker
Dazzling Look

Blown away by the way it sparkles in natural light. An amazing alternative to mined diamonds.

L
Lucas Scott
Unique Piece

Loving how perfect it fits and looks. Would definitely recommend to others.

L
Lucas Green
Stylish Craftsmanship

Thrilled to receive the beautiful design and setting. A forever favorite in my collection.

V
Victoria Diaz
Heavenly Gift

Very satisfied with how realistic the stone looks. Truly a beautiful piece.

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