Certified lab-grown diamonds set in hallmarked 9K, 14K or 18K gold. Made to order through our partner workshop, in your choice of metal colour, purity and carat.
Our rings use US ring sizes. Measure the inside diameter of a ring that fits you well, or wrap a strip of paper around your finger and measure its length (circumference), then match it below.
US size
Inside diameter (mm)
Circumference (mm)
5
15.7
49.3
5.5
16.1
50.6
6
16.5
51.9
6.5
16.9
53.1
7
17.3
54.4
7.5
17.7
55.7
8
18.1
57.0
9
18.9
59.5
10
19.8
62.1
11
20.6
64.6
12
21.4
67.2
13
22.2
69.7
14
23.0
72.3
Tips: measure at the end of the day when fingers are warmest, and choose the larger size if you are between two sizes.
Bangle size guide
Bangles use Indian sizes, measured across the inside diameter.
Size
Inside diameter (mm)
Inside circumference (mm)
2.4
57.2
179.6
2.6
60.3
189.5
2.8
63.5
199.5
Chain & necklace lengths
16 in (40 cm) – sits at the base of the neck
18 in (45 cm) – sits on the collarbone
20 in (50 cm) – just below the collarbone
22 in (55 cm) – at the top of the neckline
Not sure about your size? Message us on WhatsApp or email info@louisdiams.com and we will help you choose.
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Marquise-cut diamond takes center stage in this refined three-stone design, flanked by sharp triangle-cut side diamonds that add geometric contrast and brilliance. The elongated marquise shape creates a graceful, finger-lengthening effect, while the angular side stones frame the center with modern architectural balance. Set in polished gold with refined prong settings, the design blends bold structure with luminous sparkle, resulting in a sophisticated trilogy ring that feels both contemporary and timeless.
Certified lab-grown diamonds set in hallmarked gold, made to order through our partner workshop. Delivery time confirmed at purchase.
All sales are final. We do not offer returns or exchanges on any purchase. Every piece is made or sourced to order, so please review the specifications and certificate carefully, and message us on WhatsApp with any question before you buy.