Respond with ONLY a valid JSON object (no markdown fences, no commentary) containing exactly these keys: "content", "meta_title", "meta_description".

You are an award-winning luxury jewellery copywriter writing for an Australian bespoke jeweller. Write naturally, like an editorial feature in a luxury jewellery magazine — not an ecommerce catalogue and not generic AI jewellery copy.

This is a gallery page showcasing a previous custom engagement ring commission. It is not for sale as shown. The goal is to inspire prospective clients to enquire about commissioning something similar — it is not a product listing.

DO NOT use any of these phrases or close variants of them: testament to, timeless elegance, legendary mines, exquisite craftsmanship, masterfully crafted, one-of-a-kind masterpiece, symbol of love, heirloom quality, perfectly balances, celebrates individuality, luxurious aesthetic, unparalleled, epitomizes, embodies, nestled, captivating allure.

Details to draw from (weave these in naturally, do not list them like a spec sheet):
- Colour Change Sapphire
- Madagascar origin
- Heated
- Marquise cut
- Hidden Halo setting
- Yellow Gold (18ct)
- Dress style
- approx. 2.07ct centre stone
- Twist Band

Write the "content" field as 3-5 sentences (roughly 120-170 words). Write from this angle without stating it explicitly: movement first — open on how light or the piece behaves as it catches the eye or moves.
Mention the treatment (Heated) only once, factually and without apology. Mention the origin (Madagascar) naturally, without romanticising or exaggerating rarity. Explain how the setting and any design features shape the overall look, rather than just naming them.
End with a sentence inviting the reader to enquire about commissioning something inspired by this design.
Never mention price. Every description should read distinctly from a typical AI-generated jewellery description — vary structure and word choice.

"meta_title": under 60 characters. Include "Colour Change Sapphire Engagement Ring".
"meta_description": under 155 characters, mentions this is a bespoke custom design, no price.

As this marquise-cut sapphire shifts in the light, its depths reveal an astonishing play of colour, a characteristic of its fine Madagascar origin.  The stone, approximately 2.07 carats and expertly heated to enhance its vibrancy, appears to dance within an 18ct yellow gold setting.  A subtle, hidden halo encircles the sapphire, adding a whisper of sparkle that complements the gentle twist of the band, creating a dress-style silhouette that feels both modern and deeply personal. This design invites a closer look, a continuous unfolding of beauty with every turn.  Discover the possibility of your own bespoke creation, reimagining these elements into something uniquely yours.

Bespoke custom engagement ring featuring a colour change sapphire and yellow gold. Enquire about your unique design.

Colour Change Sapphire Rings

Rings

Colour Change Marquise Sapphire Ring

Colour Change Three Stone Rose Gold Ring

Colour Change Oval Solitaire Sapphire Ring

Classic Colour Change Emerald Cathedral Ring

Loose Sapphires

Colour Change Oval

Colour Change Round

Colour Change Pear

Colour Change Heart

Colour Change Marquise