Astro Star Sign Signet - Sagittarius
Engraved with the Sagittarius star constellation, the Astro Star Sign Signet ring captures the celestial map that has always guided this sign's restless, wonder-hungry soul with a 1.5mm yellow sapphire and two 1.3mm white diamonds. The matte finish and organic texture give the piece an earthy, ancient quality, as though it were unearthed from some far-flung place the wearer has long been dreaming of reaching. It feels less like an accessory and more like a talisman.
Handcrafted in Black Finch's Melbourne jewellery store, from solid gold and set with ethically sourced, conflict-free gemstones, every detail of this piece reflects the brand's commitment to intentional making. At 1.7mm, the band sits with understated presence on the hand, refined without being restrained, adventurous without being loud. This is a zodiac ring conceived for those who favour meaning over spectacle.
Wear it as a daily declaration of who you are and where you are always, inevitably, headed. Stacked or worn alone, it carries your constellation with you, a handcrafted keepsake that honours the boldest, most luminous version of yourself.
Ask us to send you a complimentary sizer tool upon placing your order, or order one here.
Have an existing ring that fits? Match its measurements to our ring size chart.
Keeping it a surprise? We recommend purchasing based on a standard sizing guide then resizing later.
These sizes represent the average female ring size:
Small - Size K
Medium - Size N
Large - Size Q
Still unsure? Read more here.
Available Now
STONE DETAILS
DESIGN SPECIFICATIONS
Complimentary Resize
Each ring includes a complimentary resize.
Ready-to-Ship Rings: Typically made in sizes L or M. If resizing is required, please allow up to 7 business days.
Significant Resizing: In some cases, substantial size adjustments may require a remake, extending production time.
Sizing Range: Our pricing is based on sizes I–Q. Sizes outside this range may incur a surcharge for additional material. For more details, please contact our Customer Care team.
SHIPPING
We offer worldwide insured express shipping with DHL or Australia Post. All orders require a signature upon delivery for added security.
Flat rates are as follows:
- Within Australia: $20 | 1-5 business days
- International: $80 | 5-12 business days
Returns
If you're not completely obsessed with your Black Finch piece we will offer store credit or exchange for eligible items returned within 14 days.
We can't accept returns on:
- Made to Order pieces
- Custom made pieces
- Items that have been worn or damaged after purchase
Choose options
Worldwide Shipping
We offer secure worldwide shipping. Tracked and insured until it’s in your hands.
Independent Valuations
Pieces over $5,500 come with a third-party accredited valuation certificate for peace of mind and insurance.
Masterfully crafted
Each Black Finch piece is designed and handcrafted by expert jewellers in our Melbourne studio.
150+ five-star reviews on google
Loved By Those Who Wear Us
I commissioned a charm from Black Finch in early 2025 and it's one of the things I most treasure in the world. The team was so responsive and understood perfectly what I was looking for, and the finished product was absolutely divine.
My engagement ring is truly a piece of art so I didn’t know what to do for my wedding band, so I decided to get a different style for my other hand and it’s so perfect. Can’t thank the team enough for sapphire perfection.
The team at Black Finch are exceptional at what they do. My partner purchased my engagement ring here and we most recently had my wedding band made to match! The staff are friendly and prompt and the jewels themselves are to die for.
Sustainability
Each Black Finch piece is handcrafted in our Melbourne studio using 100% recycled refined gold, eliminating the need for new mining. We ethically source traceable sapphires and conflict-free diamonds that adhere to the Kimberly Process Certification.