• Select your
    Setting
  • Select your
    Diamond
  • Complete
    Select ring size
 View All Settings Build Your Own Ring®

Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum

Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum
Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum
Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum
Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum
Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum
Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum
Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum
Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum
Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum
Top View - Setting magnified Side View - Setting magnified 360 Video - Setting magnified. Shown with a 1.01-carat round, ideal cut, E color and VS2 clarity diamond. On-hand - Profile view On-hand - Top view  
Help us improve, rate our 360 setting view.
Recently Purchased View all
0.98 ct. Round I-Color, VVS2-Clarity, Ideal-Cut Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum 0.98 ct. Round I-Color, VVS2-Clarity, Ideal-Cut
$6,726
1.04 ct. Round I-Color, VS2-Clarity, Very Good-Cut Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum 1.04 ct. Round I-Color, VS2-Clarity, Very Good-Cut
$6,391
0.75 ct. Round D-Color, VVS1-Clarity, Ideal-Cut Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum 0.75 ct. Round D-Color, VVS1-Clarity, Ideal-Cut
$6,988
1.57 ct. Round E-Color, VS1-Clarity, Ideal-Cut Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum 1.57 ct. Round E-Color, VS1-Clarity, Ideal-Cut
$16,219
1.0 ct. Round H-Color, SI1-Clarity, Ideal-Cut Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum 1.0 ct. Round H-Color, SI1-Clarity, Ideal-Cut
$6,875

Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum

Free Shipping, Free Returns
Delivery time varies by the diamond and setting you select.
$2,290
(setting price)
select this style
5 (3)
(3 customer ratings)
Undeniably striking, this platinum engagement ring showcases a dramatic depth of pavé-set diamonds finished with sophisticated milgrain detailing and a pink sapphire that accents its graceful aesthetic.
Stock Number
35383
Metal
950 Platinum
Width
2.0 mm
Prong Metal
950 Platinum
Available in sizes
4.5 - 7.5
Find your ring size
Matching Wedding Band
35531
AaEngraving is available in the basket for an additional cost.

Need Help?

Your questions or feedback are always welcome at Blue Nile. Join in a conversation with one of our Diamond and Jewelry Consultants to help you make the right decision.

1-888-565-7641 Email Us
Recently Purchased view all
0.98 ct. Round I-Color, VVS2-Clarity, Ideal-Cut Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum 0.98 ct. Round I-Color, VVS2-Clarity, Ideal-Cut
$6,726
1.04 ct. Round I-Color, VS2-Clarity, Very Good-Cut Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum 1.04 ct. Round I-Color, VS2-Clarity, Very Good-Cut
$6,391
0.75 ct. Round D-Color, VVS1-Clarity, Ideal-Cut Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum 0.75 ct. Round D-Color, VVS1-Clarity, Ideal-Cut
$6,988
1.57 ct. Round E-Color, VS1-Clarity, Ideal-Cut Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum 1.57 ct. Round E-Color, VS1-Clarity, Ideal-Cut
$16,219
1.0 ct. Round H-Color, SI1-Clarity, Ideal-Cut Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum 1.0 ct. Round H-Color, SI1-Clarity, Ideal-Cut
$6,875
Similar Settings
Monique Lhuillier Tapered Milgrain Diamond Collar Engagement Ring in Platinum (1/4 ct. tw.)
$1,540
Setting Only
Monique Lhuillier Petal Pavé Diamond Engagement Ring in Platinum
$3,390
Setting Only
Blue Nile Studio Regal Pavé Diamond Engagement Ring in Platinum (2/5 ct. tw.)
$2,750
Setting Only
Graduated Double Prong Pavé Diamond Engagement Ring in Platinum (1/4 ct. tw.)
$2,090
Setting Only
Blue Nile Studio Imperial Micropavé Diamond Engagement Ring in Platinum (2/5 ct. tw.)
$2,970
Setting Only
About the designer
Monique Lhuillier

About The Designer: Monique Lhuillier

Inspired by her romantic couture bridal creations, Monique Lhuillier’s fine jewelry collection reflects the sophistication and innovative spirit that defines her style. Each piece is designed to mirror the uniqueness of every bride, by capturing the essence of the moment and displaying a distinctively whimsical look.

About Your Blue Nile Ring

Pavé set Diamond Information

Closely spaced gemstones are set with tiny prongs so that the surface appears to be "paved" with gemstones.

Minimum number of round diamonds
86
Minimum carat total weight (ct. tw.)
0.43
Average color
H
Average clarity
VS2
Average cut
Good

Bezel set Pink Sapphire Information

A metal rim gently secures a gemstone by the girdle, preventing damage without blocking light or brilliance.

Number of round pink sapphires
2
Minimum size
1.5mm
Minimum color
Medium to medium light pink
Minimum clarity
Eye Clean

CAN BE SET WITH

This ring is specially designed to accommodate the following center diamond shapes and sizes. If there is a size or shape you are interested in that is not listed, our diamond and jewelry consultants are available to help you customize the perfect engagement ring at 1-888-565-7641.

round
0.55 – 1.50
Carat

MATCHING WEDDING RINGS

Monique Lhuillier Milgrain Diamond Ring in Platinum (1/6 ct. tw.)
$1,240
Perfect Match

Ratings and Reviews

Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum
3 total ratings
5 stars
5
3
4
0
3
0
2
0
1
0
Sort by:
Viewing 0 of 3 reviews

Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum

$2,290
(setting price)
select this style

Recently Purchased Rings

Monique Lhuillier Trio Cathedral Diamond Engagement Ring in Platinum

Round 0.98 ct. diamond

Color: IClarity: VVS2Cut: Ideal

Find Similar Diamonds

$4,436
Subtotal: $6,726
All of our certified diamonds are backed by our Diamond Price Guarantee. Learn More
select this style