GIA 1.05ct Diamond Solitaire
Private Sale | Investment Grade | Timeless Classic
An exceptional opportunity to acquire a GIA certified 1.05 carat Round Brilliant diamond solitaire, privately offered.
This piece represents enduring value — a classic investment-grade diamond set in solid 18ct yellow gold with a platinum six-claw coronet. Designed to transcend trends, the refined knife-edge band and elevated platinum setting allow maximum light return, delivering remarkable brilliance and fire.
Diamonds of this calibre — exceeding the 1.00ct benchmark — remain among the most globally liquid and sought-after categories in fine jewellery.
Diamond Specifications (GIA Certified)
- Carat Weight: 1.05ct
- Shape: Round Brilliant
- Colour: G (Near Colourless)
- Clarity: SI2
- Cut Grade: Excellent
- Polish: Very Good
- Symmetry: Very Good
- Fluorescence: None
- Measurements: 6.58 – 6.66 x 3.97 mm
- GIA Report: Included
The Excellent cut grading ensures optimal light performance — the most critical factor in a diamond’s visual beauty and long-term desirability.
Ring Details
- Metal: Solid 18ct Yellow Gold
- Setting: Platinum six-claw coronet
- Band Style: Knife-edge taper
- Total Ring Weight: 3.7 grams
- Size 6.5
The platinum setting provides strength and security, while the yellow gold band offers timeless warmth and classic appeal.
Investment Perspective
- Surpasses the 1.00ct milestone category
- GIA certified for global credibility and liquidity
- Classic solitaire design — permanently in demand
- No fluorescence (preferred by many investors)
- Durable mixed-metal construction
Fine natural diamonds of this size and quality continue to hold enduring appeal in the global secondary market, particularly in timeless solitaire mountings.
Included
✔ GIA Diamond Grading Report
✔ Valuation Certificate
✔ Secure, insured shipping
A refined and intelligent acquisition — equally suited as a legacy engagement ring or a tangible asset within a fine jewellery portfolio.
AUD $13,800 + Shipping and insurance available
GIA certified and originally independently valued for insurance purposes. Documentation available upon request.
Comparable retail replacement for a 1.05ct G colour Excellent cut diamond solitaire in Australia today commonly exceeds $16,000–$20,000. Offered privately at $13,800, representing a considered acquisition below contemporary retail levels.
Serious enquiries welcome.
We have a set of eternity diamond rings custom made for this ring listed separately. I have attached photos here as well.