Trillion Cut Opal Engagement Ring with Green Round Sapphire and Diamond
$1,050.00
Discover the enchantment of our Trillion Cut Opal Engagement Ring, flanked by two exquisite side stones: a vivid green sapphire and a sparkling white diamond. This piece encapsulates the essence of NinaVova, blending the allure of opals with the sophistication of precious gemstones. Designed for the modern bride who cherishes individuality and sustainability, this ring represents a harmonious balance of nature’s beauty and artisan craftsmanship. Set in elegant gold, it’s a testament to love that’s as unique as your story, appealing to those who seek a meaningful, ethically sourced symbol of their commitment.
Key Features
- Trillion Cut Opal
- Green Sapphire Side Stone
- White Diamond Accents
- Ethically Sourced Gemstones
- Artisan Craftsmanship
- Unique Design
Trillion Cut Opal Engagement Ring
Three Different Gemstones in One Asymmetric Design
This engagement ring is centered around a trillion-cut opal, paired with a vivid round green sapphire and a white diamond. Rather than matching the two side stones, the design uses their differences in color and brilliance to create an intentionally asymmetric composition.
The opal brings changing flashes of color, the green sapphire adds a concentrated natural hue, and the diamond introduces a bright contrasting accent.
Look Closer
Each Stone Brings Something Different
The character of this ring comes from combining three gemstones with very different optical personalities rather than making the side stones match.
Trillion-Cut Opal
The triangular opal establishes the shape of the entire composition. Its broad surface gives the play-of-color room to appear across the stone while the three-point outline gives the engagement ring a distinctly nontraditional center.
White Diamond Contrast
The diamond brings a different type of light to the composition: crisp white brilliance beside the softer, shifting color of the opal. That contrast keeps the three-stone arrangement visually distinct rather than uniform.
Vivid Green Sapphire
The round green sapphire introduces a concentrated point of color beside the opal. Its circular outline also deliberately contrasts with the angular trillion center, adding another layer to the asymmetry.
Deliberately Asymmetric
Different gemstone colors and shapes make the imbalance part of the design. The result is not a traditional matching three-stone ring, but a composition in which the opal, sapphire and diamond each remain individually visible.
The Gemstone Arrangement
Opal, Sapphire and Diamond Without Making Them Match
The strongest feature of this design is the relationship between the stones. The trillion opal is angular and color-shifting, the green sapphire is round and saturated, and the diamond provides a clear, bright counterpoint.
Bringing those differences together creates a ring that reads as one composition without making every element symmetrical.
The original design was created around individually selected gemstones, allowing their shapes and colors to determine the final balance of the ring.
Opal Education
Opal or Moonstone?
Opal and moonstone are often compared when choosing an unusual center stone for an engagement ring. This NinaVova video looks at the differences worth understanding before choosing between them.
From Idea to Form
Designing Around Three Individual Stones
The sketch establishes the relationship between the trillion center stone and the two different round accents before the finished ring is made. Their scale, spacing and position determine whether the asymmetry feels intentional and balanced.
With a custom ring, the design can be adjusted around the actual gemstones rather than forcing different stones into a predetermined stock setting.
Gemstone Sourcing
Chosen for More Than Matching Color
The original ring brings together an opal, green sapphire and white diamond selected as individual gemstones rather than a matched commercial set. Their differences are what give the design its character.
NinaVova works with responsibly sourced gemstones and develops custom designs around the stones selected for each project.
A new version can be built around different gemstone colors, proportions or combinations while retaining the asymmetric concept.
Extended Gallery
See the Ring in More Detail
Additional photographs from the original product page show the finished opal engagement ring from more angles without repeating the images already shown in the WooCommerce gallery.
Custom Made
Keep the Idea. Change the Gemstones.
This ring can become the starting point for another custom engagement ring built around an opal, sapphire, diamond or an entirely different combination of natural gemstones.
The stone shapes, color relationship, proportions, metal and setting can all be adjusted while preserving the idea of an intentionally asymmetric three-stone design.
Each custom version is developed around its own gemstones rather than treated as an exact copy of the original.
Create Your Own
Start with This Combination.
Make the Next One Yours.
Use the trillion opal, green sapphire and diamond ring as inspiration, or begin with a completely different set of gemstones and build a custom engagement ring around them.


Shipping & Delivery
We take the safe delivery of your ring as seriously as the design itself. That’s why shipping is always free — no matter where you are in the world.
Every order is shipped with full insurance and signature required upon delivery, ensuring your package is never left unattended. We primarily use UPS as our trusted shipping partner. Before dispatch, we’ll contact you directly to confirm all delivery details — including the exact recipient name and the correct shipping address.
To protect your privacy and avoid spoiling any surprises, our packaging is 100% discreet, with no visible branding or jewelry references on the outside.
What to Expect:
- Free worldwide shipping on every order
- Fully insured parcels with real-time tracking
- Signature required to ensure safe handoff
- Recipient confirmation before shipping
- Discreet packaging to protect your privacy
- UPS shipping with tracking number provided
- Delivery time varies by location but typically takes 2–5 business days after dispatch
We’re committed to making sure your ring arrives safely, securely, and beautifully — just like it was meant to.
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