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Asscher Cathedral Basket Gemstone Engagement Ring
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The Signora Promise
Hand-finished in SuratMade to order
Reports where statedExact scope shown
Insured deliverySigned & tracked
Secure checkoutShopify checkout
Standard-design returns30-day eligibility
Final inspectionChecked before dispatch
About This Ring
Asscher Cut · Solitaire
Center
Asscher Cut
Metal
CustomizableSetting
Solitaire
The Design
| Detail | Details |
|---|---|
| Ring style | Solitaire Engagement Ring |
| Center gemstone | Asscher · 8.8 mm · approx. 3.12 ct |
| Accent diamonds | None |
| Gemstone options | Any of the 12 birthstones — choose by color or birth month |
| Setting | Four-prong cathedral basket |
| Band | Straight comfort shank |
| Finish | High Polish |
| Occasion | Engagement, Anniversary, Birthday, Gift |
Choose your birthstone
| Month | Birthstone | Color |
|---|---|---|
| January | Garnet | Red |
| February | Amethyst | Purple |
| March | Aquamarine | Blue |
| April | White Sapphire | White |
| May | Emerald (Emerald Green) | Green |
| June | Alexandrite | Color Shift |
| July | Ruby (Raspberry Red) | Red |
| August | Peridot | Green |
| September | Blue Sapphire | Blue |
| October | Pink Tourmaline | Pink |
| November | Citrine (Canary Yellow) | Yellow |
| December | Blue Topaz | Blue |
Stone Details
| Stone | Shape | Size | Qty | Weight |
|---|---|---|---|---|
| Your birthstone (center) | Asscher | 8.8 × 8.8 mm | 1 | approx. 3.12 ct |
Made to order at our bench—choose your birthstone by color or birth month and your preferred metal. Every birthstone is offered at the same price and is individually set in this exact design.
Celebrate your story with an Asscher-cut birthstone engagement ring that highlights the clean geometry and mesmerizing step-cut sparkle of this timeless design. The elevated cathedral basket draws light into the center stone while the straight comfort shank creates a balanced, elegant profile that feels effortless for everyday wear.
Your center gemstone is lab-created and selected from any of the twelve birthstones, allowing you to personalize the ring by birth month or simply by the color you love most. From deep garnet to brilliant blue topaz, every gemstone is crafted to order and set by our master jewelers in your chosen precious metal.
The tall four-prong cathedral setting beautifully showcases the Asscher cut's crisp corners and hall-of-mirrors brilliance while providing a classic solitaire silhouette that never competes with the beauty of the center stone.
Why You'll Love It
- Large approx. 3.12 ct Asscher-cut center gemstone
- Choose any of the twelve birthstones
- Four-prong cathedral basket for maximum light
- Straight comfort-fit band for everyday wear
- Made to order in Silver, 9K, 14K, 18K Gold and Platinum
- Every birthstone is the same price
- Perfect as an engagement, anniversary or birthday ring
Spotlight
The Asscher cut is loved for its striking step facets and elegant symmetry. Combined with the cathedral basket, it creates beautiful depth and dramatic flashes of light while keeping the design clean and timeless.
About Our Lab-Created Gemstones
Every center stone is a lab-created gemstone with the same essential crystal characteristics as its natural counterpart, grown rather than mined for vibrant, consistent color. Choose from all twelve birthstones—from January Garnet through December Blue Topaz—and we'll create your ring specifically for you.
Metal, Care & Fit
Available in Sterling Silver, 9K, 14K and 18K Yellow, White or Rose Gold, plus Platinum. Ruby, sapphire, garnet and topaz are excellent everyday choices. Emerald and peridot should be worn with a little extra care and should not be cleaned with ultrasonic or steam cleaners. Finished with a high polish.
FAQ
Can I choose any birthstone?
Yes. This ring is available with all twelve birthstones. Simply choose by birth month or favorite color.
Is every birthstone the same price?
Yes. Every gemstone is individually made to order and offered at the same price.
Are the gemstones real?
Yes. They are genuine lab-created gemstones with the same fundamental crystal properties as their natural counterparts.
Can this be an engagement ring?
Absolutely. The classic solitaire cathedral design makes it an exceptional engagement ring.
Can I choose my metal?
Yes. Available in Sterling Silver, 9K, 14K, 18K Gold and Platinum.
How should I clean it?
Warm water, mild soap and a soft cloth are recommended. Emerald and peridot should be cleaned gently and should not be exposed to ultrasonic cleaners.
Is the ring made after I order?
Yes. Every ring is individually crafted and set to order.
Does ring size affect the listing?
Ring size is selected on the storefront and is not a product variant.
Common questions
Gemstone questions, answered
Timing, shipping, reports and return eligibility for gemstone jewelry.
Still deciding?
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Answers last updated August 2, 2026
When will my order ship?
Standard listed pieces are made to order with an estimated dispatch of 7 business days. Use the product-page estimate when it is more specific and the timing confirmed after ordering. Delivery timing begins after dispatch and varies by destination and carrier service. Fully custom commissions follow the production schedule confirmed with their approved specifications or CAD.
When is insured worldwide delivery free?
Orders of US$500 or more receive free express, insured and tracked worldwide delivery. Below US$500, express, insured and tracked worldwide delivery is charged at the fixed rate shown at checkout.
Will I have to pay import duties?
For every destination available at checkout, Signora prepays applicable import duties and import taxes. Customers should not be asked to pay those import charges again on delivery.
What certificate comes with my jewelry?
Every finished piece includes a Signora Jewelry Certificate. Each selected individual lab-grown center or primary diamond of 0.50 ct or above includes an IGI grading report. Below 0.50 ct, IGI can be arranged by custom request. Custom moissanite and gemstone selections include GRA documentation, with the exact scope confirmed in the approved specifications. The product page or approved specifications state the exact laboratory, report type and scope.
Can I return a made-to-order listed design?
Standard listed products are eligible for return within 30 days after carrier-recorded delivery when unworn, unused and in their original condition, with the original packaging and included documents. Normal listed choices such as metal, stone carat, chain or bracelet length, an extended ring size, or complimentary engraving do not by themselves make an item Final Sale. A sale or discount also does not imply Final Sale; only an item explicitly classified as Final Sale follows the non-returnable exclusion.
How are fully custom orders handled?
A fully custom commission is different from a listed made-to-order design. After its specifications or CAD are approved, a normal change-of-mind return does not apply. Manufacturing defects remain reviewable. Signora may accept an exceptional non-defect return case by case; documented labor and genuinely non-recoverable costs may be deducted, but these deductions are not a restocking fee.