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Sebonstar and jewelry specialty store KARATZ have collaborated to create authentic jewelry using precious stones.
The fourth installment is the "Swan Tiara Pendant," which recreates Sebonstar's popular "Swan" motif as sophisticated jewelry for adults. While retaining the gorgeousness characteristic of Sebonstar, such as the elegant form of a swan embracing its wings and the delicate tiara-like decorations, every detail has been carefully crafted to create an authentic piece of jewelry.

The five types of main stones are almandine garnet, peridot, amethyst, citrine, and blue topaz, all in an original cut of approximately 6x4mm developed specifically for the "Swan Tiara." We paid close attention to the stone's shape and proportions to express Sebonstar's characteristic brilliant sparkle with natural gemstones.
Furthermore, the side stones are H&C (Heart & Cupid) diamonds equivalent to VS class. Carefully selected natural diamonds, though small, are brilliant and beautifully enhance the main stone.
The material used is SV925, with rhodium plating applied to the silver color.
This is "Adult Sebonstar," which not only allows you to enjoy the world and design of Sebonstar but also focuses on the beauty of natural gemstones and the quality as jewelry.
[Sales Period]
July 30, 2026 (Thu) 12:00 PM - August 31, 2026 (Mon) 11:59 PM
[Estimated Delivery Date]
Around late December 2026
*Dates may vary.
*Sales may end or be suspended once the maximum available quantity is reached.
*All items will be shipped together once they are all available. Thank you for your understanding.

The Swan Tiara Pendant does not come with an adjuster charm.
You can purchase an SV925 adjuster charm as an option. Please add this product to your cart and purchase it together.
[Commitment to collaboration jewelry]
The collaboration jewelry uses carefully selected natural gemstones, including those directly sourced from around the world by gemologists. The gemstones used in the "Adult Sebonstar Swan Tiara Pendant" are an original cut developed exclusively for this jewelry. We worked closely with polishers to meticulously create the number, arrangement, and shape of the facets to closely resemble the authentic "Sebonstar."
[Design]
The "Adult Sebonstar Swan Tiara Pendant" incorporates the design of "Swan," a popular item from "Sebonstar." Every detail, such as the elegant form of a swan embracing its wings and the delicate tiara-like decorations, has been carefully crafted.
[Product Specifications]
| Center Stone | 1. Almandine Garnet 2. Peridot 3. Amethyst 4. Citrine 5. Blue Topaz Center stone size: approx. 6mm x 4mm |
| Price (tax included) | 29,800 yen |
| Metal |
SV925 & Rhodium Plating |
| Side Stones |
Diamond (H&C) approx. 1.2mm x 1 stone, approx. 1mm x 1 stone |
| Size |
Chain size included: approx. 40cm Motif size: approx. 20mm (height), approx. 12mm (width) |
| Sales Method | Made-to-order |
| Accessories | ・Adjuster charm (SV925) available for optional purchase ・Special jewelry case (light blue) ・Special guarantee card ・Special shopper |
[Purchase Benefits]
・Special Sebonstar jewelry case

Color: Light Blue
Size: approx. 13cm x 4.5cm
・Special guarantee card

Size: approx. 86mm x 26mm
・Special shopper

For more details on benefits, please see the special page.
[Adult Sebonstar Vol. 1]
Click here for the special page
[Adult Sebonstar Vol. 2]

Click here for the special page
[Adult Sebonstar Vol. 3]

Click here for the special page
[Notes]
・All images are for illustration purposes only.
・All sizes are approximate. Slight variations may occur.
・Due to the nature of natural stones, there may be slight differences in color from the samples, but please be assured that each gemstone is inspected under strict standards.
■Regarding estimated shipping date
・Delivery periods are estimates only.
・Delivery periods may vary due to manufacturing circumstances.
■Regarding payment methods
The following payment methods are available at KARATZ STORE:
Credit card / Convenience store payment / Bank transfer / Apple Pay / Google Pay / PayPay / d払い payment / Merpay / Postpaid payment (Paidy) / Alipay / AlipayHK / WeChat Pay
■Regarding silver model material
・Silver is a material prone to scratches, so there may be fine scratches on the surface.
・During the manufacturing process, small scratches or dents may occur, but these are not defects.
karatz_ID:40000442_sv
©Kabaya
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