Introduction
"Which brand in Tokyo handles both lab-grown and natural diamonds and has a permanent showroom where I can order custom-made diamonds?"
In response to such requests, this article will provide a thorough comparison of two major brands that are attracting attention in Tokyo: DIALLURE and Brilliance+.
Both jewelry brands handle both lab-grown and natural materials and offer semi-custom orders, but there are clear differences in price range, design, and customer service style.
In this article, we'll take a closer look at specs, price, design, and experience to help you decide which one is right for you .
table of contents
1. Differences between brand overview and handling
| Comparison items | DIALLURE | Brilliance+ |
|---|---|---|
| Corresponding timetable | Natural & Lab-Grown | Natural & Lab-Grown |
| Carat Trends | Mostly 1.0ct and up | 0.2~0.5ct center |
| Diamond shape | Over 10 types (oval, emerald, etc.) | Mainly round and some fancy |
| Design Trends | Overseas style and highly customizable | Japanese style, more basic |
| Order Method | Semi-full order | Semi-order (select model) |
| showroom | Omotesando/Shirokane Takanawa (reservations required) | 7 locations nationwide, including Ginza and Shinjuku |
| Languages spoken | Japanese/English/Chinese available | Japanese support (limited English support) |
What is DIALLURE?
DIALLURE is a hybrid brand of lab-grown and natural diamonds with a permanent showroom in Shirokane Takanawa, Tokyo. They offer large diamonds over 1 carat starting at around 400,000 yen , proposing "affordable luxury." Their designs are inspired by international brands, and they offer a variety of shapes, including emerald cuts and ovals, as well as low settings . They offer advance consultations via LINE and support in English and Chinese, making them popular with inbound customers and international couples .
What is Brilliance+?
Brilliance+ is one of Japan's largest online diamond brands, with showrooms across the country . They handle both natural and lab-grown diamonds, offering rings of 0.2 to 0.5 carats for 200,000 to 400,000 yen. Their designs are mainly classic solitaires and melee stones, and are semi-custom made based on ready-made molds . They excel in the online purchasing experience and are chosen for their "balance between price and quality."
2. The difference between design and custom-made experiences
DIALLURE's Strengths | "Freedom of Choice" that Values Our Worldview
Delicate and sophisticated overseas design
Customizable parts: number of claws, height, light capture, stone placement, etc.
Flexible support from semi-order to full order
You can consult with us while trying on the actual size (you can also try on 1.5ct and heart-shaped rings)
"That design I saw on Instagram is perfect."
"I want a lab diamond over 1 carat."
DIALLURE is the company that can meet such requests from scratch.
There is a chance that you may be found out.
One of the fun things about choosing an emerald cut is that you can choose the proportions to suit your taste .
Features of Brilliance+ | Efficient design with selectable shapes and stones
Select a ring design from existing molds (dozens of types)
Choose a diamond from a stock of tens of thousands of items, focusing on specifications
UI and design that makes it easy to choose even if you are not familiar with rings
"I just want to find a diamond with good value for money."
"First of all, it's reassuring to have a brand that can be found anywhere in the country."
Brilliance+ is suitable for these needs.
3. Comparison of price range and delivery time
| item | DIALLURE | Brilliance+ |
|---|---|---|
| Price range (1ct lab) | Approximately 400,000 to 700,000 yen | This size is rare (mainly under 0.5ct) |
| Price range (0.3-0.5ct) | 200,000 to 350,000 yen | Approximately 200,000 to 450,000 yen |
| Natural Diamond Price | Negotiable depending on market price | Instant quotes based on market prices |
| deadline | Usually 3 to 5 weeks (shortened consultation possible) | Approximately 4 to 6 weeks |
The biggest appeal of DIALLURE is that you can get large lab-grown diamonds at a good cost-performance ratio . On the other hand, Brilliance+ has the largest inventory in Japan and a transparent pricing system, which gives you peace of mind.
4. Which brand is recommended? Choosing a brand based on your purpose
Who is DIALLURE recommended for?
- I would like a large lab-grown diamond of 1 carat or more.
- I want to focus on shapes such as ovals, emeralds, and pears.
- Infusing the design with individuality and a story
- I want to take photos that look overseas and are perfect for proposals.
- English or Chinese support required (international couples, etc.)
- I want to be attentive to each individual's needs
Who is Brilliance+ recommended for?
- We want to prioritize the balance between price and quality.
- Looking for a simple ring with a 0.3-0.5ct diamond?
- First, compare multiple brands
- It is better to have easy access to showrooms across the country
- Considering purchasing online
Summary | Which is really right for you?
Both brands are highly reliable and share common features such as being "natural and lab-made," "custom-made products available," and "permanent showrooms," but there are clear differences in what they offer.
DIALLURE is for those who value a "luxurious and special feeling."
Brilliance+ is suitable for those who value convenience and peace of mind.
In particular, if you are looking for a ring over 1 carat, want an overseas-style design that looks good in photos, or want a special ring that is different from others, be sure to visit the DIALLURE showroom.
We also accept free consultations via LINE, so even first-time users can feel at ease.
Your search for the perfect ring starts here.