Four Classic Choices of Timeless Love
Explore our 4 collections with classic styles and timeless designs exclusively for engagements
Try ARCA's Custom Cut
Celebrate your love with a cut as unique as your story. Let your love shine in every facet.
We Believe
Classic Design, For Every Moment
True classics never chase trends, they simply feel right. Every ARCA piece reflects our commitment to precision: how we cut each stone, the gentle curve of the band, how the micro pavé stones are placed. This careful craftsmanship creates that pure brilliance that shines beautifully in sunlight or candlelight.
This is not jewelry for one special day. It is made for your everyday life together.
Crafted for a Lifetime of Wear
ARCA builds strength from the foundation up. Our 2.2mm reinforced bands and durable prong settings protect your stone through smart structural design. The thickened gallery absorbs everyday impacts, while rounded closed prongs prevent snags and scratches.True durability means building security into how the ring feels every day. Whether working, traveling, or celebrating, your ring stays comfortable and stays with you.
Obsessed with Every Detail
Love lives in the details. ARCA carefully crafts every angle, curve, and micro pavé setting. Our cuts maximize fire and brilliance, while the inner band is polished smooth for gentle, comfortable wear. We set exacting standards to transform your heartfelt promise into touchable light.
ARCA Standard
ARCA Standard
ARCA ring designs emphasize graceful, flowing lines. Our flush setting not only secures and protects the diamond, but also creates a seamless, minimalist profile. enhancing the ring’s elegance and fluidity.
Every ARCA center stone comes with IGI certification, but we take quality even further. Our experts follow the exclusive TrueSpark™ standard—stricter than industry norms. For each ring, we hand-select at least 10 diamonds that meet our criteria, then pair the most perfect stone to your ring’s profile
using precise data like depth and table ratio. With ARCA, every detail shines with perfection.
Every ring is meticulously polished on the inside and features a streamlined comfort fit. The smooth, rounded inner edge reduces unnecessary friction with your skin, greatly enhancing comfort. Whether worn all day or just for special moments, you’ll barely notice it’s there, just effortless comfort from day one and every day after.
ARCA diamonds have unparalleled luster and brilliance. Our diamond experts ensure every carefully selected stone features perfect symmetry and ideal proportions, with slight variations depending on the diamond shape.
Best Sellers
More Than Princess Cut
The Journey
You May Want to Know More
An engagement ring is the promise you wear every day, crafted for durability, comfort, and a quiet sense of ceremony that suits every moment. Fine jewelry is your style signature, designed to express who you are and to capture the spirit of fashion in your own way.
Certate’s timeless design is a favorite among many. Refined through multiple iterations by the ARCA team, it showcases the diamond’s brilliance and reflects the purity of love.
Certate
A beloved classic that stands for loyalty, steadfastness, and everlasting love.
Exist
An elegant silhouette that traces the diamond’s graceful lines. It speaks to love that is sincere and pure.
More Than
Radiant and sunlit, it blazes with the intensity of a love that shines from the heart.
Merge
Understated and refined, it honors a bond built on mutual respect. True love doesn’t need to be on display; its glow lives within, and every shared moment becomes part of forever.
Round is the timeless classic, brilliant, versatile, and forever in style, while slender, elegant shapes like oval and emerald are also very popular today. If you want something truly distinctive, a Custom Cut is an excellent choice.
With over a decade in the natural diamond industry, the ARCA team has developed a distinctive selection standard known as TrueSpark™.
