Lab Grown Diamond Engagement Ring "Siena"

$4,199.00
Color: White Gold
Diamond Carat Weight
Ring size
FREE Shipping & Lead Time

We offer free shipping on all jewelry via insured UPS. Each piece is crafted to order with a production lead time of 7-10 business days. Please plan your purchases accordingly, particularly if you have specific dates in mind.

FAST Money-Back Guarantee

If you're not completely satisfied with your purchase, you can receive a full refund within 15 days of the purchase date, as long as the item is in its original condition. FAST refunds are processed on the same business day we receive the returned jewelry. Additionally, within 30 days of purchase, you can exchange the item for a full credit towards another item of equal or greater value.

EASY Lifetime Manufacturing Warranty

KOMO is dedicated to ensuring complete customer satisfaction and peace of mind, which is why every jewelry purchase comes with our EASY lifetime warranty, covering any manufacturing defects related to the item's structure. If a manufacturing defect is beyond repair we will replace the jewelry item at no expense to you and cover all shipping costs. Any repairs done by an outside jeweler will void the EASY warranty.

FAIR Trade-In Value

We're always delighted to welcome back one of our diamonds for your next step up! When you're ready to upgrade a diamond you purchased from KOMO, here's what we offer:

  • You'll receive the full amount you paid for your original diamond (excluding tax) as a credit towards your new diamond purchase.
  • All original diamond certificates need to be provided to complete the return.
  • The diamond being traded in must be undamaged and in its original condition.
  • The new diamond purchase must be at least double the original trade-in value.
  • We accept all mountings as part of the trade-in, despite wear. They will be valued based on the current market price of gold/platinum. A credit will also be offered for any side diamonds.

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Product details

Average weight: 3.80 g*

Diamond (Center):

  • Origin: Lab-grown CVD/HPHT
  • Total weight: 5.00-10.00 carat
  • Quantity: 1 pc.
  • Shape: Emerald
  • Color: G+
  • Clarity: VS1+

Diamonds (Side):

  • Origin: Lab-grown CVD/HPHT
  • Total weight: 0.10 carat
  • Quantity: 10 pcs.
  • Shape: Round
  • Color: E
  • Clarity: VS1

*Jewelry weight may vary by 10-20% depending on ring size and diamond carat weight.

Siena Lab Grown Diamond Engagement Ring: Architectural Grandeur with Magnificent Emerald-Cut Lab Diamond

Immerse yourself in the ultimate expression of Art Deco elegance with the Siena engagement ring from the Deco Atelier collection, where architectural mastery meets unparalleled luxury. This breathtaking masterpiece showcases a spectacular emerald-cut lab-grown diamond weighing between 5.00 to 10.00 carats, creating a statement piece that embodies the geometric perfection and structural sophistication that defines the collection.

The centerpiece of this extraordinary ring is an IGI-certified emerald-cut lab-grown diamond of exceptional proportions, featuring superior G+ color and VS1+ clarity. The emerald cut's distinctive step-cut faceting creates mesmerizing hall-of-mirrors brilliance, delivering unparalleled clarity and sophisticated fire that commands attention from every angle while maintaining the refined elegance characteristic of Art Deco design.

Complementing this magnificent center stone are ten carefully selected round lab-grown diamonds totaling 0.10 carats, each showcasing pristine E color and VS1 clarity. These accent stones are strategically placed to enhance the emerald-cut's architectural presence while adding subtle sparkle that frames the center diamond's geometric perfection.

Deco Atelier Collection: Engineering Excellence in Wearable Art

The Siena ring represents the pinnacle of the Deco Atelier collection's philosophy, transforming architectural inspiration into wearable luxury. The clean lines and precise proportions echo the collection's commitment to sharp symmetry and masterful metalwork, creating edge-to-edge clarity that defines sophisticated modern jewelry design.

Every element of this ring reflects the collection's dedication to geometric precision and structural integrity. The emerald-cut's linear perfection paired with the strategic placement of accent diamonds creates a harmonious composition that celebrates both Art Deco heritage and contemporary craftsmanship excellence.

Lab Grown Diamond Excellence in Monumental Scale

The Siena ring celebrates sustainable luxury through its extraordinary composition of lab-grown diamonds created using advanced CVD/HPHT technology. The impressive center stone, ranging from 5.00 to 10.00 carats, possesses identical chemical, physical, and optical properties to mined diamonds, while representing the future of conscious luxury jewelry that refuses to compromise on quality or environmental responsibility.

The emerald-cut's exceptional size and clarity showcase the pinnacle of lab-grown diamond achievement, while the ten round accent diamonds provide brilliant contrast with their classical fire. Together, they create a captivating display of light and shadow that defines architectural elegance in its most refined form.

Why Choose the Siena Lab Grown Diamond Engagement Ring:

  • Monumental Presence: Spectacular 5.00-10.00 carat emerald-cut lab diamond creates unparalleled statement elegance
  • Sustainable Luxury: Features ethically sourced lab-grown diamonds with identical properties to mined diamonds
  • IGI Certified Quality: Center diamond comes with international certification guaranteeing exceptional standards
  • Art Deco Heritage: Geometric perfection and clean lines honor timeless architectural design principles
  • Sophisticated Proportions: Emerald-cut's step-cut faceting delivers hall-of-mirrors brilliance and exceptional clarity

Masterful Design and Architectural Inspiration

From the prestigious Deco Atelier collection, the Siena ring showcases centuries of jewelry-making tradition enhanced by contemporary precision engineering. The emerald-cut's substantial presence is balanced by the ring's refined proportions, ensuring comfortable wear despite the impressive carat weight.

The strategic placement of ten round accent diamonds creates subtle enhancement without competing with the center stone's architectural grandeur. This thoughtful design approach ensures the emerald-cut remains the focal point while adding just enough sparkle to enhance the overall brilliance.

Precision Engineering Meets Timeless Vision

The Siena design represents the perfect marriage of technical mastery and artistic vision. The emerald-cut's large table and step-cut pavilion demand the highest quality diamonds and precision setting techniques, while the accent diamonds require masterful placement to achieve perfect geometric balance.

Crafted in lustrous 14K white gold, this ring provides exceptional durability while offering the perfect neutral backdrop for the diamonds' architectural fire. The sophisticated mounting ensures optimal light performance through the emerald-cut's distinctive facet structure, creating maximum brilliance and scintillation.

Modern Luxury Meets Art Deco Sophistication

The Siena ring captures the grandeur of Art Deco skyscrapers while embracing the latest advances in sustainable diamond technology. The emerald-cut's commanding presence paired with geometric precision creates an engagement ring that truly embodies architectural luxury in its most refined expression.

This is jewelry designed for the discerning bride who appreciates both monumental beauty and conscious craftsmanship. The substantial center stone creates undeniable presence, while the thoughtful proportions ensure elegant wearability that photographs beautifully and commands attention in any setting.

Discover the architectural magnificence of the Siena lab grown diamond engagement ring—where a breathtaking emerald-cut centerstone meets Art Deco-inspired design, creating a symbol of love as enduring and impressive as the city skylines that inspired its creation.

FREE Insured Shipping

Complimentary UPS shipping within the continental USA.

FAST Money-Back Guarantee

No questions asked, same-day refunds if you change your mind.

EASY Lifetime Warranty

Hassle-free lifetime manufacturing warranty with free replacements.

FAIR Trade-In Value

Full value of your KOMO diamonds towards your next KOMO purchase.