Swirl Marquise Cut Lab Grown Diamond Engagement Ring

Mini Buying Guide: Swirl Marquise Cut Lab Grown Diamond Ring

Choosing a Swirl Marquise Cut Lab Grown Diamond Engagement Ring
The Swirl Marquise Cut Lab Grown Diamond Engagement Ring from Fascinating Diamonds features a marquise-cut center diamond embraced by a graceful swirl band. The flowing design creates a distinctive silhouette while keeping the center stone as the focal point.

Diamond Options & Customization
Personalize this Marquise Cut Twisted Engagement Ring by selecting your preferred diamond type, metal, accent stones, carat weight, diamond quality, and ring size. You can choose from preset carat weights or explore the Full Inventory for a custom-designed ring.

Metal Options & Diamond Types
The Marquise Solitaire Lab Grown Diamond Swirl Ring is available in 14K and 18K white gold, yellow gold, rose gold, black gold as well as platinum. Choose between natural or lab grown diamonds based on your preference.

Accent Stone Details
The Marquise Cut Lab Grown Diamond Curved Band Ring features 0.15 total carat weight of round and marquise-cut accent stones. The thirteen accent stones are securely arranged in a prong setting to complement the center diamond.

Diamond Quality
The Marquise Cut Diamond Twisted Band Ring is available with VS1 clarity and F/G color lab-grown diamonds or SI1 clarity and G/H color natural diamonds. The center stone can be selected in Good, Very Good, Excellent, or Ideal cut grades.

Carat Weight & Ring Size
The center stone is available from 0.50 to 3.00 carats for natural diamonds and 0.50 to 8.00 carats for lab-grown diamonds. The Marquise Cut Swirl Diamond Ring is available in US standard ring sizes 3 through 13.

Design & Styling
The curved swirl band creates a modern and distinctive look that beautifully frames the elongated marquise center stone. This versatile design works well as an engagement ring or a statement piece for everyday wear, offering a graceful alternative to traditional solitaire styles.

Shop more Marquise Cut Diamond Rings for Her to create a stylish and personalized jewelry look.

Customer Reviews

4.5

Based on 2 reviews

5 star

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Showing 2 Reviews

Lara U. Verified Buyer

Oct 07, 2025

110 % Satisfied Customer

When I opened the box and saw it for the first time, it was beyond beautiful. I was nervous about buying online, but the whole experience was smooth and pleasant. I'm 100% satisfied and have already started recommending you to others.

John F. Verified Buyer

Mar 17, 2022

Amazing service and beautiful ring

Just received the ring, and I have to say Fascinating Diamonds did an excellent job. The service and pricing were excellent, and I must say Roger and his staff were exceptionally helpful. My fianc - e loved her yellow gold engagement ring and was ecstatic when she saw such a big diamond. The ring far exceeded our expectations - it is beautiful!!! We have already made several referrals to friends and family.

Inside Diameter		Inside Circumference		Sizes
MM	Inches	MM	Inches	British & Australian	US & Canada	French & Russian	German	Japanese	Swiss
9.91	0.390	31.13	1.22	-	0000	-	-	-	-
10.72	0.442	33.68	1.39	-	00	-	-	-	-
11.53	0.454	36.22	1.43	-	0	-	-	-	-
11.95	0.474	37.54	1.49	A	1/2	-	-	-	-
12.18	0.482	38.26	1.51	A 1/2	3/4	-	-	-	-
12.37	0.487	38.86	1.53	B	1	-	-	1	-
12.60	0.496	39.58	1.56	B 1/2	1 1/4	-	-	-	-
12.78	0.503	40.15	1.58	C	1 1/2	-	-	-	-
13.00	0.512	40.84	1.61	C 1/2	1 3/4	-	-	-	-
13.21	0.520	41.50	1.63	D	2	41 1/2	13 1/2	2	1 1/2
13.41	0.528	42.13	1.66	D 1/2	2 1/4	-	-	-	-
13.61	0.536	42.76	1.68	E	2 1/2	42 3/4	13 3/4	3	2 3/4
13.83	0.544	43.45	1.71	E 1/2	2 3/4	-	-	-	-
14.05	0.553	44.14	1.74	F	3	44	14	4	4
14.15	0.557	44.45	1.75	F 1/2	3 1/8	-	-	-	-
14.25	0.561	44.77	1.76	F 3/4	3 1/4	-	-	-	-
14.36	0.565	45.11	1.77	G	3 3/8	45 1/4	-	5	5 1/4
14.45	0.569	45.40	1.79	G 1/4	3 1/2	-	14 1/2	-	-
14.56	0.573	45.74	1.80	G 1/2	3 5/8	-	-	6	-
14.65	0.577	46.02	1.81	H	3 3/4	46 1/2	-	-	6 1/2
14.86	0.585	46.68	1.84	H 1/2	4	-	15	7	-
15.04	0.592	47.25	1.86	I	4 1/4	47 3/4	-	-	7 3/4
15.27	0.601	47.97	1.89	I 1/2	4 1/2	-	15 1/4	8	-
15.40	0.606	48.38	1.90	J	4 5/8	49	15 1/2	-	9
15.53	0.611	48.79	1.92	J 1/4	4 3/4	-	-	-	-
15.70	0.618	49.32	1.94	J 1/2	5	-	15 3/4	9	-
15.80	0.622	49.64	1.95	K	5 1/8	50	-	-	10
15.90	0.626	49.95	1.97	K 1/4	5 1/4	-	-	-	-
16.00	0.630	50.27	1.98	K 1/2	5 3/8	-	-	10	-
16.10	0.634	50.58	1.99	L	5 1/2	51 3/4	16	-	11 3/4
16.30	0.642	51.21	2.02	L 1/4	5 3/4	-	-	-	-
16.41	0.646	51.55	2.03	L 1/2	5 7/8	-	-	-	-
16.51	0.650	51.87	2.04	M	6	52 3/4	16 1/2	12	12 3/4
16.71	0.658	52.50	2.07	M 1/2	6 1/4	-	-	-	-
16.92	0.666	53.16	2.09	N	6 1/2	54	17	13	14
17.13	0.674	53.82	2.12	N 1/2	6 3/4	-	-	-	-
17.35	0.683	54.51	2.15	O	7	55 1/4	17 1/4	14	15 1/4
17.45	0.687	54.82	2.16	O 1/2	7 1/4	-	-	-	-
17.75	0.699	55.76	2.20	P	7 1/2	56 1/2	17 3/4	15	16 1/2
17.97	0.707	56.45	2.22	P 1/2	7 3/4	-	-	-	-
18.19	0.716	57.15	2.25	Q	8	57 3/4	18	16	17 3/4
18.35	0.722	57.65	2.27	Q 1/2	8 1/4	-	-	-	-
18.53	0.729	58.21	2.29	Q 3/4	8 1/2	-	18 1/2	17	-
18.61	0.733	58.47	2.30	R	8 5/8	59	-	-	19
18.69	0.736	58.72	2.31	R 1/4	8 3/4	-	-	-	-
18.80	0.740	59.06	2.32	R 1/2	8 7/8	-	-	-	-
18.89	0.748	59.34	2.35	R 3/4	9	-	19	18	-
19.10	0.752	60.00	2.36	S	9 1/8	60 1/4	-	-	20 1/4
19.22	0.757	60.38	2.38	S 1/4	9 1/4	-	-	-	-
19.31	0.760	60.66	2.39	S 1/2	9 3/8	-	-	-	-
19.41	0.764	60.98	2.40	S 3/4	9 1/2	-	19 1/2	19	-
19.51	0.768	61.29	2.41	T	9 5/8	61 1/2	-	-	21 1/2
19.62	0.772	61.64	2.43	T 1/4	9 3/4	-	-	-	-
19.84	0.781	62.33	2.45	T 1/2	10	-	20	20	-
20.02	0.788	62.89	2.48	U	10 1/4	62 3/4	-	21	22 3/4
20.20	0.797	63.46	2.50	U 1/2	10 1/2	-	20 1/4	22	-
20.32	0.800	63.84	2.51	V	10 5/8	63	-	-	23 3/4
20.44	0.805	64.21	2.53	V 1/4	10 3/4	-	-	-	-
20.68	0.814	64.97	2.56	V 1/2	11	-	20 3/4	23	-
20.76	0.817	65.22	2.57	W	11 1/8	65	-	-	25
20.85	0.821	65.50	2.58	W 1/4	11 1/4	-	-	-	-
20.94	0.824	65.78	2.59	W 1/2	11 3/8	-	-	-	-
21.08	0.830	66.22	2.61	W 3/4	11 1/2	-	21	24	-
21.18	0.834	66.54	2.62	X	11 5/8	66 1/4	-	-	26 1/4
21.24	0.836	66.73	2.63	X 1/4	11 3/4	-	-	-	-
21.30	0.839	66.92	2.64	X 1/2	11 7/8	-	-	-	-
21.49	0.846	67.51	2.66	Y	12	67 1/2	21 1/4	25	27 1/2
21.69	0.854	68.14	2.68	Y 1/2	12 1/4	-	-	-	-
21.89	0.862	68.77	2.71	Z	12 1/2	68 3/4	21 3/4	26	28 3/4
22.10	0.870	69.43	2.73	Z +1/2	12 3/4	-	-	-	-
22.33	0.879	70.15	2.76	Z+1	13	-	22	27	-
22.60	0.890	71.00	2.80	Z+1.5	13.5	-	-	-	-
22.69	0.893	71.28	2.81	Z+2	-	-	-	-	-
22.92	0.902	72.00	2.83	Z+2.5	-	-	-	-	-
23.06	0.908	72.45	2.85	Z+3	-	-	-	-	-
23.24	0.915	73.01	2.87	Z+3.5	-	-	-	-	-
23.47	0.924	73.73	2.90	Z+4	-	-	-	-	-
23.55	0.927	73.98	2.91	Z+4.5	-	-	-	-	-
23.87	0.940	74.99	2.95	Z+5	-	-	-	-	-
24.27	0.956	76.25	3.00	Z+6	-	-	-	-	-

Setting

Diamond

Complete Ring

Swirl Marquise Cut Lab Grown Diamond Engagement Ring

Ring Setting - FDENR11578

Diamond