What I-Primo does

I-PRIMO (Hong Kong entity: Primo Diamond Hong Kong Ltd.) is a Japanese bridal ring specialty retailer operating five owned retail stores in Hong Kong — Causeway Bay, Tsim Sha Tsui (two locations), Kowloon Bay, Tsuen Wan, and Yuen Long — alongside an owned e-commerce platform. The company is part of the broader I-PRIMO group, which also operates through Primo Japan Inc. (Japan), Primo Diamond Shanghai Trading Co., Ltd. (Mainland China), Primo Diamond Taiwan Inc., and Primo Diamond Singapore Pte. Ltd. Its self-described positioning is Japan's No.1 bridal ring specialty brand.

The core product offering comprises custom-made diamond engagement rings, wedding ring pairs, matched set rings, eternity rings, anniversary jewelry, and themed concept series (Selexia, Etoile, Origin Belief, Flowery, HATSUSORA, Zodiaque), plus IP collaborations with Disney, Pokémon, Neon Genesis Evangelion, and Monster Hunter. Rings are manufactured to order in Japan with a 4-5 week lead time, using Pt950 platinum, 18K gold (yellow, rose, pale brown), and diamonds meeting Hearts & Cupid cut standards applied even to sub-1mm melee diamonds. Services include personalized hand analysis, free inside engraving, optional birthstone and Promise Diamond inner-band settings, and lifetime after-sales maintenance (resizing, cleaning, repair).

The business operates a direct-to-consumer model: customers book in-store consultations with certified jewelry consultants (online reservation or walk-in), select or customize designs, and pay individually negotiated prices based on materials and diamond specifications. Revenue is generated exclusively through one-time retail transactions via owned physical stores and the online shop, with no third-party distribution. Marketing relies on wedding expos, social media, the Happy Voice customer testimonial program, and word-of-mouth referrals. The pricing is not publicly disclosed, and revenue figures are not available.

Name

I-Primo

Legal name

Primo Diamond Hong Kong Ltd.

Website

https://iprimo.hk

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

I-PRIMO is a Japanese bridal ring specialty brand operating five owned retail stores and an online shop in Hong Kong, selling custom-made diamond engagement rings, wedding rings, and eternity rings crafted in Japan to couples planning marriage.

Ownership category

akta.pro rank

Product category

Bridal Jewelry

NAICS

Jewelry Retailers (458310), Jewelry and Silverware Manufacturing (33991)

SIC

Retail-Jewelry Stores (5944), Jewelry, Precious Metal (3911)

akta.pro primary industry

Bridal & Engagement Jewelry Retail (CRAKAGAC)

akta.pro secondary industries

Engagement Rings (CRAKACAA), Wedding Bands (Bridal Rings) (CRAKACAB), Bridal & Engagement Jewelry Manufacturing (CRAKAIAC), Custom Bridal & Engagement Design (CRAKAHAB)

Keywords

• Bridal jewelry
• Diamond engagement rings
• Wedding rings
• Custom-made rings
• Platinum jewelry

Headquarters

HQ city

Hong Kong

HQ country

China

HQ region

Asia

Offices6 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Diamond Bridal Ring Retail: I-PRIMO generates revenue through the sale of custom-made diamond bridal rings, including engagement rings, wedding rings, set rings (matching engagement + wedding pairs), eternity rings, and anniversary jewelry. Rings are manufactured in Japan to order (4-5 weeks lead time) and sold through owned retail stores and an online store in Hong Kong.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

I-PRIMO designs and sells custom-made diamond bridal rings (engagement, wedding, set, eternity, anniversary) and jewelry accessories, manufactured in Japan with a 4-5 week lead time. Rings feature Hearts & Cupid standard diamonds set in Pt950 platinum, 18K gold, rose gold, or pale brown gold, with free inside engraving and optional Promise Diamond / birthstone personalization. The offering is delivered through 5 owned Hong Kong showrooms and the I-PRIMO online shop, supported by certified jewelry consultants and lifetime after-sales service.

Product overview

I-Primo is a Japanese premium wedding ring and diamond engagement ring specialty brand offering a comprehensive portfolio of bridal jewelry products. The core offering consists of Engagement Rings (求婚戒指), Wedding Rings (結婚戒指), Set Rings (結婚套戒), Eternity Rings (永恆戒指), Anniversary Jewelry (珠寶首飾), and Jewelry Sets (閃亮鑽飾系列). The brand differentiates through Concept Series including Selexia (semi-customizable), Etoile, Origin Belief, Flowery, HATSUSORA, Zodiaque, and Disney Treasure collaborations. Product customization services include ring engraving, Birthstone & Promise Diamond additions, and Personal Hand Analysis consultations. The company operates 5 retail stores in Hong Kong and an online shop, with a focus on Japanese craftsmanship, lifetime after-sales service, and professional jewelry consultation. Rings are manufactured in Japan with a lead time of 4-5 weeks, primarily using Platinum Pt950 with options for 18K Gold and Rose Gold.

Differentiator

Problem solved

Functional benefit

Products and services

• Engagement Rings Custom-made diamond engagement rings featuring strict selection of top-quality diamonds, available in Solitaire, Halo, Three-stone, and Multi-stone designs in Platinum Pt950, 18K Gold, and Rose Gold for couples proposing marriage.
• Wedding Rings Pairs of wedding bands designed for everyday comfort, crafted with high-quality materials in Straight, Wavy, and V-shaped designs with optional diamond accents for married couples.
• Set Rings Curated combinations of engagement and wedding rings designed to be worn together, with matched designs that complement each other when stacked or worn as a set, offering 70+ design combinations for couples.
• Eternity Rings Full and half eternity rings with diamonds encrusted around the band symbolizing eternal love, made with Platinum Pt950, 18K Gold, or Rose Gold in 13 designs including Helene, Charis, Brigit, Vestalis, Mani Full/Half, and Astra 24D.
• Anniversary Jewelry High-quality anniversary jewelry pieces including necklaces and accessories crafted with diamonds or colorful gemstones for special milestone celebrations.
• Jewelry Set Diamond jewelry accessories combining elegance and brilliance, featuring necklaces and accessories with diamond accents for special occasions.
• Selexia Series Semi-customizable concept series offering elegant wedding bands with 13 named diamond ring designs and center diamond options ranging from 0.18ct to 0.50ct (up to 0.70ct for selected designs).
• Etoile Series Premium concept series featuring star-themed ring designs named after constellations and celestial bodies, including Astra 24D and other night-sky-inspired designs.
• Origin Belief Series Concept series featuring designs inspired by celestial and mythological themes, offering unique symbolism for couples seeking meaningful ring designs.
• Flowery Series Feminine concept series featuring flower-inspired engagement rings paired with wedding rings named after dancing fairies, bringing warm blessings to the couple's future.
• HATSUSORA Series Japanese sky-themed concept series inspired by seasonal haiku imagery, featuring 8 unique designs representing sky scenes and stories related to Japanese sky traditions.
• Zodiaque Series Zodiac-inspired ring collection featuring designs based on the 12 zodiac signs, allowing couples to choose rings that represent their astrological signs.
• Disney Treasure created by K.UNO Special collaboration collection featuring Disney-themed jewelry designs created in partnership with K.UNO, combining Disney IP with I-PRIMO craftsmanship.
• Personal Hand Analysis Service Professional in-store consultation service where certified jewelry consultants analyze customer hand shapes and preferences to recommend suitable ring styles, materials, and designs for customers selecting bridal rings.
• Birthstone & Promise Diamond Service Customization service allowing customers to add birthstones or Promise Diamonds to the inner ring band for personalized meaningful touches to their bridal ring.
• Ring Engraving Service Free personalized engraving service on the inner band of rings; engraving capacity equals ring size plus 7 characters (e.g., size 7 ring allows 14 characters).
• After-Sales Service Comprehensive lifetime after-sales maintenance including ring resizing, cleaning, polishing, and repair services to keep rings in pristine condition throughout the customer's lifetime.
• I-PRIMO Online Shop Own e-commerce retail platform at onlineshop.iprimo.hk for browsing and purchasing I-PRIMO products, featuring seasonal promotions and exclusive online-only benefits.
• Online Consultation Service Virtual consultation service allowing customers to receive professional jewelry consultation remotely via online channels for bridal ring selection.
• Store Reservation System Online appointment booking system for in-store consultations at 5 Hong Kong locations: Causeway Bay, Tsim Sha Tsui, Tsuen Wan, Kowloon Bay, and Yuen Long, with a discount incentive for booking online.
• Membership Program Customer membership program offering exclusive benefits, promotions, and special access to new collections and events for registered members.
• UMI NO KIRAMEKI 海ノ煌 Limited Fashion Diamond Jewelry Series Limited edition fashion diamond jewelry collection featuring ocean-inspired sparkling diamond designs, launched as part of seasonal exclusive releases.
• Online Shop Summer Limited Benefits Summer limited benefits and promotions offered to online store customers as a seasonal e-commerce campaign.

Quantifiable outcome

• Ring production lead time: 4-5 weeks for custom-made rings
• +3 more outcomes

Named customers8 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature4 records

Partnerships

Four partnerships are on record, tiered minor.

• Disney (Disney Treasure created by K.UNO)minorStrategic or Co-development PartnerI-PRIMO offers a licensed Disney-branded jewelry collection ('Disney Treasure created by K.UNO') featuring Disney character-inspired ring designs, sold as part of the product lineup. This is a co-branded product collaboration leveraging Disney's intellectual property.
• Pokémon (宝可梦)minorStrategic or Co-development PartnerI-PRIMO offers a Pokémon-branded jewelry collection as part of its product offerings, featuring Pokémon-inspired ring designs. Sold alongside regular bridal ring collections.
• Neon Genesis Evangelion (新世紀福音戰士)minorStrategic or Co-development PartnerI-PRIMO offers a Neon Genesis Evangelion (NGE) branded jewelry collection featuring ring designs inspired by the anime series. This is a licensed collaboration product.
• Monster Hunter (MONSTER HUNTER)minorStrategic or Co-development PartnerI-PRIMO offers a Monster Hunter-branded jewelry collection featuring ring designs inspired by the popular video game franchise. Sold as part of the product catalog alongside standard bridal collections.

Scale indicators4 records

Recent moves2 records

Expansion highlights4 records

Market position

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/channel/UCCXcqj2RoJDMenWeV9t6UtQ
• Facebookfacebook.com/iprimo.hk
• Instagraminstagram.com/iprimohk
• LinkedInlinkedin.com/company/i-primo

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about I-Primo