1.00 Ct Round Trilogy Engagement Ring

From $1,938.00

Circumference (mm)	Diameter (mm)	NZ / Australia	US / Canada	China / Japan / Singapore	Hong Kong
44.2	14.1	F	3	4	6
44.8	14.3	F ½		5
45.5	14.5	G	3 ½		7.5
46.1	14.7	G ½		6
46.8	14.9	H	4	7	9
47.4	15.1	H ½
48.0	15.3	I	4 ½	8	10
48.7	15.5	J
49.3	15.7	J ½	5	9	11
50.0	15.9	K
50.6	16.1	K ½	5 ½	10	12
51.2	16.3	L
51.9	16.5	L ½	6	11	13
52.5	16.7	M		12
53.1	16.9	M ½	6 ½	13	14.5
53.8	17.1	N
54.4	17.3	N ½	7	14	16
55.1	17.5	O
55.7	17.7	O ½	7 ½	15	17
56.3	17.9	P
57.0	18.1	P ½	8	16
57.2	18.2				18
57.6	18.3	Q
58.3	18.5	Q ½	8 ½	17	19
58.9	18.8	R
59.5	19.0	R ½	9	18	20.5
60.2	19.2	S
60.8	19.4	S ½	9 ½	19	22
61.4	19.6	T
62.1	19.8	T ½	10	20	23
62.7	20.0	U		21
63.4	20.2	U ½	10 ½	22	24
64.0	20.4	V
64.6	20.6	V ½	11	23	25
65.3	20.8	W
65.9	21.0	W ½	11 ½	24	26
66.6	21.2	X
67.2	21.4	X ½	12	25	27.75
67.8	21.6	Y
68.5	21.8	Z	12 ½	26
69.1	22.0	Z ½
69.7	22.2		13	27	30
70.4	22.4	Z + 1
71.0	22.6		13 ½

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🚚 Made to Order. Estimated Delivery within 4 to 6 Weeks

A timeless symbol of past, present, and future - this elegant Three Stone Lab-Grown Diamond Ring is beautifully crafted in white gold. Featuring three round brilliant-cut diamonds that represent enduring love and cherished milestones, this ring captures both brilliance and meaning in every detail.

The sleek, polished band enhances the sparkle of each diamond, making it perfect for engagements, anniversaries, or everyday elegance. Ethically created and expertly set, this piece combines modern sustainability with classic romance.

Ring Specifications:

Diamond Type: Lab Grown
Total Carat Weight: 1.00 ct
Total Stones: 3
Centre Stone Weight: 0.50 ct
Centre Stone Cut: Round Brilliant
Centre Stone Colour: EF
Clarity: VS
Side Stone Weight: 0.50ct (0.25 ct x 2)
Side Stone Cut: Round Brilliant
Side Stone Colour: EF
Side Stone Clarity: VS
Band Width: 2.0 mm
Band Thickness: 1.8 mm

Each ring is made to order. Allow approximately 4-6 weeks after your order and design are confirmed. Shipping information.

Warranty and return eligibility are subject to LAGANI's policies. Returns policy.

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Hand wearing three stone round cut diamond ring.

1.00 Ct Round Trilogy Engagement Ring

From $1,938.00

Complimentary NZ & AU shipping. Terms apply.

Lifetime diamond warranty.

30-days returns are advertised by LAGANI. Conditions apply.

THE LAGANI EXPERIENCE

A closer look, together.

Some details are easier to appreciate in person. Visit our Auckland CBD studio to explore selected designs and compare diamond shapes. I’ll take the time to understand what matters to you and help you consider this ring or any changes you have in mind.

AUCKLAND CBD BY APPOINTMENT ONLY FROM 1 NOVEMBER 2026

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