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Call: 866-239-4315

Monday-Thursday
10:00AM-7:00PM (ET)

Friday
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or E-mail:
Help@mdcdiamonds.com
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 Find Your Engagement Ring:
Choose a setting and create your own ring. We only ship complete rings with a center diamond, if you have not chosen a center diamond, Please call 866-239-4315.

Currently Viewing: Trillion Engagement Rings Collection
Engagement rings Designed & made to fit perfectly a Trillion, Triangle shape diamond in the center. The settings in the Trillion Diamond collection will highlight and enhance the look of the Trillion center diamond. If you like a Trillion diamond as your center stone choose one of these settings, either solitaire, with side stone, with a halo or any other style you like from Modern to vintage.
   
Choose from MDC Diamonds Engagement Rings Collections Sorted By Center Diamond Shape
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Asscher   Cushion   Emerald   Heart   Marquise   Oval   Pear   Princess   Radiant   Round   Trillion   All
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Choose from MDC Diamonds Engagement Rings Collections Sorted By Ring Style
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Featured Rings   Anniversary-Ring   Antique   Art-Deco   baguette   Bar   beads   bezel   Black-Diamond   Blue-Sapphire   Bridal-set   Bridge   butterfly   Cadillac   Cathedral   Celebrity-Choice   Celtic   Champagne   Channel   Claddagh   Classic   Cluster   Compass   Concave   Contour   Crown   Diagonal   Duo   Edwardian   engraved   Engraving   eternity   Etoil   Euro-Shank   Fashion   Filigree   Floral   Gem-stones   Green-Emerald   Half-Moon   Halo   Heirloom   Helix   Hexagon   Hidden-Halo   Honey-Bee   Horizontal   Horseshoe   Infinity   Interlocking   intertwined   Journey   Kite   Knife-Edge   knot   Legacy   links   Low-Profile   Milligrain   Modern   New-York   Octagon   Pave   Petite   Pink-Diamonds   pink-gold   Pink-Sapphire   Platinum   Rope   rose-gold   Ruby   Shield   Solitaire   split-band   Swing   Swirl   Three-Row   Three-Stone   Trapezoids   trellis   Triangle-Accents   Two-Tone   Vine   Vintage   white-gold   Yellow-Diamonds   Yellow-Gold   All
 
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Education and Guidance
View our education section for helpful information on more than just the 4 Cs.
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Your options are limitless.  Phone a Diamond and Jewelry Consultant to create the ring or jewelry of your dreams.
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I am a returning customer, and shopping at MDC Diamonds is always a great experience. This time I surprised my wife with a beautiful tennis Riviera necklace, and she was absolutely thrilled with the quality and perfection of the piece. The entire process was smooth and enjoyable. We will definitely be coming back again.
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Read what customers have to say about their MDC Diamonds shopping experience.
 
I am a returning customer, and shopping at MDC Diamonds is always a great experience. This time I su...
 


January 03, 2026

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Customer Service Address: 6 West 48 Street Third Floor, New York, NY 10036
We welcome visitors to our New York office. Office visits are by appointment only. Please contact our Customer Service center to schedule an appointment.
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