Unii Jewels
3.00TCW Green Marquise Lab Grown Diamond Nature Inspired Engagement Ring | IGI Certified | Unii Jewels
Round Brilliant Lab Grown Diamond Solitaire Stud Earrings – IGI Certified | Unii Jewels on orders over $3,000
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Description
A vivid colored centerpiece meets leaf-like diamond geometry in the Unii Jewels 3.00TCW Green Marquise Lab Grown Diamond Nature Inspired Engagement Ring.
The design centers around a substantial 2.50ct Green Marquise Lab Grown Diamond, offered in the supplied VVS-VS clarity range with an Excellent cut specification and IGI certification. Surrounding the centerpiece are Marquise and Round accent diamonds totaling 0.50TCW, offered in D-E-F color and VVS-VS clarity ranges.
Together, the center and accent diamonds create a complete weight of 3.00TCW.
This combination is especially effective for a nature-inspired design because the Marquise silhouette already carries a naturally botanical character. Its elongated body and tapered points can visually recall leaves or petals, while smaller Marquise accents repeat that language around the Green center. Round diamonds introduce softer points of brilliance and prevent the composition from becoming entirely angular.
💎 Diamond Details
Total Diamond Weight: 3.00TCW
Main Diamond
Diamond Type: Lab Grown Diamond
Diamond Shape: Marquise
Carat Weight: 2.50ct
Diamond Color: Green
Diamond Clarity: VVS-VS
Cut: Excellent
Certification: IGI Certified
Side Diamonds
Diamond Shapes: Marquise & Round
Total Carat Weight: 0.50TCW
Diamond Color: D-E-F
Diamond Clarity: VVS-VS
Certification: N/A
💍 Ring Details
Style / Design: Nature Inspired
Product Type: Nature Inspired Engagement Ring
Total Diamond Weight: 3.00TCW
Band Width: 2mm
Metal Options: Silver, Gold, Platinum
Wear: Engagement, wedding, anniversary, special occasions and fine-jewelry wear
The Design Story — Color Meets Botanical Geometry
From a jewelry designer's perspective, the 2.50ct Green Marquise already provides two powerful design elements before any accent diamonds are introduced:
Color + Shape.
Its Green appearance establishes an immediate focal point, while the elongated Marquise silhouette creates strong directional movement.
Instead of surrounding this centerpiece with unrelated shapes, the design uses additional Marquise diamonds to continue its pointed geometry and Round diamonds to soften it.
The resulting visual language becomes:
Round Brilliance → Marquise Leaf Forms → 2.50ct Green Marquise → Marquise Leaf Forms → Round Brilliance
This gives the design variation without losing cohesion.
Why the Green Marquise Works as the Center
A colorless Marquise draws attention primarily through its brilliance, scale and elongated outline.
A Green Marquise adds another dimension.
The center can be distinguished from the surrounding D-E-F accents not only because it is much larger, but also because it occupies a different color role within the composition.
This establishes an especially clear visual hierarchy:
Green Center → D-E-F Accent Diamonds → 2mm Band
The eye can therefore recognize the center immediately, even within a detailed nature-inspired arrangement.
Marquise Accents — Repeating the Botanical Language
The smaller Marquise diamonds are particularly important to the concept.
Because they share the pointed silhouette of the 2.50ct center, they create repetition at a smaller scale.
In a nature-inspired composition, that geometry can visually suggest leaves or petals without requiring every botanical element to be created through metalwork.
The main Marquise acts as the dominant elongated form.
The smaller Marquise diamonds continue the motif outward.
This creates a natural transition from the center toward the shoulders of the ring.
Why Add Round Diamonds?
The Round accents perform a different job.
Where Marquise diamonds are directional, Round diamonds are visually symmetrical.
Their circular outlines interrupt the repetition of pointed shapes and introduce smaller concentrated areas of brilliance.
That creates a balance between:
Pointed + Rounded
Directional + Symmetrical
Green + D-E-F
These contrasts help prevent the nature-inspired composition from becoming visually repetitive.
2.50ct Center + 0.50TCW Accents
The diamond-weight distribution gives the ring a particularly strong hierarchy.
The 2.50ct Green Marquise represents approximately 83% of the total 3.00TCW, while the 0.50TCW Marquise and Round accents represent approximately 17%.
This is useful from a design perspective.
Half a carat of accent diamonds provides enough weight to create meaningful surrounding detail, but the single 2.50ct center remains overwhelmingly dominant.
The accents therefore enrich the silhouette rather than compete with the centerpiece.
Why the 2mm Band Works
With a large colored Marquise center and 0.50TCW of shaped accents, the upper portion of the ring already contains considerable visual information.
The supplied 2mm band provides a comparatively refined foundation beneath that composition.
The hierarchy remains:
Refined Band → Mixed Marquise & Round Accents → Green Marquise Center
Rather than making the entire ring visually heavy, the band allows the diamond arrangement to provide the primary character.
Why Choose This Green Marquise Nature-Inspired Design?
This design is particularly distinctive because its nature-inspired identity is created through both diamond shape and color.
The Green center naturally complements the botanical concept, while its Marquise silhouette establishes the elongated, leaf-like geometry that is repeated through the smaller Marquise accents.
The Round diamonds then provide a softer counterpoint.
Unlike a conventional Halo, where smaller diamonds typically trace a continuous outline around the center, this concept can use individual shaped accents to develop the design outward. That allows the recognizable outline of the 2.50ct Marquise to remain an important part of the composition.
It also offers more visual complexity than a traditional solitaire without sacrificing a clearly dominant centerpiece.
The result is a 3.00TCW nature-inspired engagement ring where a 2.50ct Green Marquise centerpiece, 0.50TCW of D-E-F Marquise and Round accents, and a refined 2mm foundation create a layered balance of color, botanical geometry and brilliance.
Free Shipping & Returns
🔄 30-day return and refund policy for peace of mind
✅ Fully insured and tracked shipping via UPS & USPS
⏱️ Handcrafted with care,9-10 days production time🌍 Worldwide delivery in 8-10 business daysafter production
Please read the Shipping Policy for more information.
Why Choose Lab Diamonds?
✓ Ethical & Conflict-Free – Grown in labs with zero mining impact
✓ IGI Certified Quality – Independently verified for clarity, color, and carat
✓ No BGM Stones – Guaranteed no brown, green, or milky undertones
✓ Eco-Friendly Luxury – Timeless beauty, sustainably made
✓ Ideal for Custom Jewelry – Engagement rings, wedding bands, and more
Why Unii Jewels?
🌟Surat-Made Brilliance– Crafted in India’s diamond hub
💎Certified Sparkle– IGI-certified lab-grown diamonds
💸Unmatched Value– Low prices Diamond + low making charges
🖌️Truly Custom– Unique designs tailored for you
📦Worldwide Shipping– Fast, Free, insured, and reliable
Ring Size Chart
Ring Size Conversion Chart
Determining your ring size can be tricky without the proper tools. Use our Ring Size Conversion chart below to find your ring size in different countries. Need help? Speak with a Diamond Expert now by WhatsApp +91 7359257266
| Ring Diameter (MM) | USA/Canada | United Kingdom | France | Germany | Japan | Switzerland |
|---|---|---|---|---|---|---|
| 14.0 mm. | 3 | F | 44 | 14 | 4 | 4 |
| 14.4 mm. | 3½ | G | 45¼ | 14½ | 5½ | 6⅓ |
| 14.8 mm. | 4 | H½ | 46½ | 15 | 7 | 6½ |
| 15.2 mm. | 4½ | I½ | 47¾ | 15¼ | 8 | 8 |
| 15.6 mm. | 5 | J½ | 49 | 15¾ | 9 | 9½ |
| 16.0 mm. | 5½ | L | 50¾ | 16 | 10½ | 10¾ |
| 16.5 mm. | 6 | M | 51½ | 16½ | 12 | 12¾ |
| 16.9 mm. | 6½ | N | 52¾ | 17 | 13 | 14 |
| 17.3 mm. | 7 | O | 54 | 17¼ | 14 | 15¼ |
| 17.7 mm. | 7½ | P | 55¼ | 17¾ | 15 | 16½ |
| 18.2 mm. | 8 | Q | 56¾ | 18 | 16 | 17¾ |
| 18.6 mm. | 8½ | Q½ | 58 | 18½ | 17 | 18½ |
| 19.0 mm. | 9 | R½ | 59¼ | 19 | 18 | 20 |
| 19.4 mm. | 9½ | S½ | 60¾ | 19½ | 19 | 21 |
| 19.8 mm. | 10 | T½ | 61¾ | 20 | 20 | 21¾ |
| 20.2 mm. | 10½ | U½ | 62¾ | 20¼ | 22 | 22¾ |
| 20.6 mm. | 11 | V½ | 64¼ | 20¾ | 23 | 24 |
| 21.0 mm. | 11½ | W½ | 66 | 21 | 24 | 25¾ |
| 21.4 mm. | 12 | Y | 67¼ | 21¼ | 25 | 27½ |
| 21.8 mm. | 12½ | Z | 68 | 21¾ | 26 | 28¾ |
| 22.2 mm. | 13 | Z + 1 | 69 | 22 | 27 | 29¼ |
| 22.6 mm. | 13½ | Z + 1.5 | 71 | 22.6 | - | 31 |
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Great company the pictures does no…
Great company the pictures does no justice for how magnificent the ring actually looks in person. My fiancée loves it and get compliments on her ring every time
I asked for a custom band after I…
I asked for a custom band after I ordered and my personal contact which was assigned to me and proactively reached out handled it for a very small cost. I couldn't be happier. Also...She said YES!
Great customer service & Beautiful ring
I initially had an issue with receiving a ring that did not match the expected specifications, but their team, especially Paul & Mary, worked with me directly to resolve everything in a fair and professional manner.
Amazing experience
The customer service I received from Lisa was amazing. She was helpful, patient and a pleasure to work with.
Gorgeous Ring
The ring is more beautiful than the picture. I couldn't be happier with it.
Ordered anniversary ring 02/18
While there were multiple delays and missed shipping dates, Paul made the corrections and the ring came today. Most importantly the wife loves it.
Recommend & will consider purchasing again
This is my second order from this company. I originally had a not so pleasant experience with the order arriving outside of the delivery frame. Paul and Adam were super helpful and ended up giving me a resolution that I was happy with.
I love my ring
I love my ring! I was hesitant to order a diamond ring online but I was not disappointed when it came in! It's so pretty and the price was unbeatable.
I had an excellent experience with Best…
I had an excellent experience and especially with Adam, who made the entire process feel incredibly personal from start to finish.
Great people and Service
Great people, my wife decided she did not like the initial ring she got for Christmas so we had to swap out for a different design and ring size. Samantha and Paul were amazing in walking me through the process.
I had an absolutely amazing experience…
I had an absolutely amazing experience from start to finish. They truly went above and beyond in helping me choose the perfect engagement ring and wedding band.
My ring is beautiful and it arrived…
My ring is beautiful and it arrived earlier than expected. Definitely recommend.
After 11 years and our second daughter, I finally have my dream ring.
I've worn a ring for 11 years that never truly felt like mine. After our second daughter was born, my husband and I decided it was time to finally get it right.
my wife to be loves her ring
my wife to be loves her ring. she stares and takes pictures of it all day, everyday. couldn't be happier
Their diamonds is outstanding, I highly recommend
After extensive research, I chose to purchase from them and couldn't be happier with my decision. The quality of their diamonds is outstanding.
Amazing experience
Amazing experience! Customer service is superb, and the ring is perfectly made with top quality diamond and craftsmanship.
A M A Z I N G
I wanted to purchase a lab grown diamond because after all the researching, more bang for the buck! But, I was very skeptical about online purchases for a diamond ring.
Amazing as advertised perhaps better.
Amazing as advertised perhaps better.
Had the best experience working with…
Had the best experience working with Julieanne and her team. Julieanne was great to work with and the speed, quality and customer service was above and beyond.
Mary
Mary, and a couple of other associates were phenomenal. Mary took the time to find just the right ring for my wife.