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    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers
    18ct White Gold 0.45ct Marquise Cut Diamond Ring - Sonny's Jewellers

    10000893

    18ct White Gold 0.45ct Marquise Cut Diamond Ring

    View our Size Guides
    Size Charts & Guides

    Find your ring size with our International Conversion Chart

    Ring Dia ⌀(Inside) Ring Circumference(Inside) ‹ International Standard Sizes ›
    MM Inches MM Inches UK / AU USA / CA Europe
    9.9 0.390 31.1 1.22 · 0000 ·
    10.7 0.442 33.7 1.39 · 00 ·
    11.5 0.454 36.2 1.43 · 0 ·
    12.0 0.470 37.5 1.50 A 1/2 ·
    12.2 0.479 38.3 1.51 A 1/2 3/4 ·
    12.4 0.487 38.9 1.53 B 1 ·
    12.6 0.506 39.6 1.56 B 1/2 1 1/4 ·
    12.8 0.503 40.2 1.58 C 1 1/2 ·
    13.0 0.511 40.8 1.61 C 1/2 1 3/4 ·
    13.2 0.520 41.5 1.63 D 2 41 1/2
    13.4 0.528 42.1 1.66 D 1/2 2 1/4 ·
    13.6 0.536 42.8 1.68 E 2 1/2 42 3/4
    13.8 0.544 43.5 1.71 E 1/2 2 3/4 ·
    14.0 0.553 44.1 1.74 F 3 44
    14.2 0.557 44.5 1.75 F 1/2 3 1/8 ·
    14.3 0.561 44.8 1.76 F 3/4 3 1/4 ·
    14.4 0.565 45.1 1.77 G 3 3/8 45 1/4
    14.5 0.568 45.4 1.79 G 1/4 3 1/2 ·
    14.6 0.573 45.7 1.80 G 1/2 3 5/8 ·
    14.7 0.576 46.0 1.81 H 3 3/4 46 1/2
    14.9 0.585 46.7 1.84 H 1/2 4 ·
    15.0 0.592 47.3 1.86 I 4 1/4 47 3/4
    15.3 0.601 48.0 1.89 I 1/2 4 1/2 ·
    15.4 0.606 48.4 1.90 J 4 5/8 50
    15.5 0.611 48.8 1.92 J 1/4 4 3/4 ·
    15.7 0.618 50.3 1.94 J 1/2 5 ·
    15.8 0.622 50.6 1.95 K 5 1/8 50
    15.9 0.625 50.0 1.97 K 1/4 5 1/4 ·
    16.0 0.630 50.3 1.98 K 1/2 5 3/8 ·
    16.1 0.634 50.6 1.99 L 5 1/2 51 3/4
    16.3 0.642 51.2 2.02 L 1/4 5 3/4 ·
    16.4 0.646 51.6 2.03 L 1/2 5 7/8 ·
    16.5 0.650 51.9 2.04 M 6 52 3/4
    16.7 0.658 52.5 2.07 M 1/2 6 1/4 ·
    16.9 0.666 53.2 2.09 N 6 1/2 54
    17.1 0.674 53.8 2.12 N 1/2 6 3/4 ·
    17.4 0.683 54.5 2.15 O 7 55 1/4
    17.5 0.687 54.8 2.16 O 1/2 7 1/4 ·
    17.8 0.698 55.8 2.20 P 7 1/2 56 1/2
    18.0 0.707 56.5 2.22 P 1/2 7 3/4 ·
    18.2 0.716 57.1 2.25 Q 8 57 3/4
    18.4 0.722 57.7 2.27 Q 1/2 8 1/4 ·
    18.5 0.729 58.2 2.29 Q 3/4 8 1/2 ·
    18.6 0.733 58.5 2.30 R 8 5/8 59
    18.7 0.736 58.7 2.31 R 1/4 8 3/4 ·
    18.8 0.740 59.1 2.32 R 1/2 8 7/8 ·
    18.9 0.743 59.3 2.35 R 3/4 9 ·
    19.1 0.752 60.0 2.36 S 9 1/8 60 1/4
    19.2 0.757 60.4 2.38 S 1/4 9 1/4 ·
    19.3 0.760 60.7 2.39 S 1/2 9 3/8 ·
    19.4 0.764 61.0 2.40 S 3/4 9 1/2 ·
    19.5 0.768 61.3 2.41 T 9 5/8 61 1/2
    19.6 0.772 61.6 2.43 T 1/4 9 3/4 ·
    19.8 0.781 62.3 2.45 T 1/2 10 ·
    20.0 0.780 62.9 2.48 U 10 1/4 62 3/4
    20.2 0.795 63.5 2.50 U 1/2 10 1/2 ·
    20.3 0.800 63.8 2.51 V 10 5/8 63
    20.4 0.805 64.2 2.53 V 1/4 10 3/4 ·
    20.7 0.814 65.0 2.56 V 1/2 11 ·
    20.8 0.817 65.2 2.57 W 11 1/8 65
    20.9 0.821 65.5 2.58 W 1/4 11 1/4 ·
    20.9 0.824 65.8 2.59 W 1/2 11 3/8 ·
    21.0 0.830 66.2 2.61 W 3/4 11 1/2 ·
    21.2 0.834 66.5 2.62 X 11 5/8 66 1/4
    21.2 0.836 66.7 2.63 X 1/4 11 3/4 ·
    21.3 0.838 66.9 2.64 X 1/2 11 7/8 ·
    21.5 0.846 67.5 2.66 Y 12 67 1/2
    21.7 0.854 68.1 2.68 Y 1/2 12 1/4 ·
    21.9 0.861 68.8 2.71 Z 12 1/2 68 3/4
    22.1 0.870 69.4 2.73 Z +1/2 12 3/4 ·
    22.3 0.879 70.2 2.76 Z+1 13 ·
    22.6 0.890 71.0 2.80 Z+1.5 13.5 ·
    22.7 0.893 71.3 2.81 Z+2 · ·
    22.9 0.902 72.0 2.83 Z+2.5 · ·
    23.0 0.908 72.5 2.85 Z+3 · ·
    23.3 0.915 73.0 2.87 Z+3.5 · ·
    23.5 0.924 73.7 2.90 Z+4 · ·
    23.6 0.927 74.0 2.91 Z+4.5 · ·
    23.9 0.940 75.0 2.95 Z+5 · ·
    24.3 0.955 76.2 3.00 Z+6 · ·

    £1,375.00 GBP View our Size Guides

    Size Charts & Guides

    Find your ring size with our International Conversion Chart

    Ring Dia ⌀(Inside) Ring Circumference(Inside) ‹ International Standard Sizes ›
    MM Inches MM Inches UK / AU USA / CA Europe
    9.9 0.390 31.1 1.22 · 0000 ·
    10.7 0.442 33.7 1.39 · 00 ·
    11.5 0.454 36.2 1.43 · 0 ·
    12.0 0.470 37.5 1.50 A 1/2 ·
    12.2 0.479 38.3 1.51 A 1/2 3/4 ·
    12.4 0.487 38.9 1.53 B 1 ·
    12.6 0.506 39.6 1.56 B 1/2 1 1/4 ·
    12.8 0.503 40.2 1.58 C 1 1/2 ·
    13.0 0.511 40.8 1.61 C 1/2 1 3/4 ·
    13.2 0.520 41.5 1.63 D 2 41 1/2
    13.4 0.528 42.1 1.66 D 1/2 2 1/4 ·
    13.6 0.536 42.8 1.68 E 2 1/2 42 3/4
    13.8 0.544 43.5 1.71 E 1/2 2 3/4 ·
    14.0 0.553 44.1 1.74 F 3 44
    14.2 0.557 44.5 1.75 F 1/2 3 1/8 ·
    14.3 0.561 44.8 1.76 F 3/4 3 1/4 ·
    14.4 0.565 45.1 1.77 G 3 3/8 45 1/4
    14.5 0.568 45.4 1.79 G 1/4 3 1/2 ·
    14.6 0.573 45.7 1.80 G 1/2 3 5/8 ·
    14.7 0.576 46.0 1.81 H 3 3/4 46 1/2
    14.9 0.585 46.7 1.84 H 1/2 4 ·
    15.0 0.592 47.3 1.86 I 4 1/4 47 3/4
    15.3 0.601 48.0 1.89 I 1/2 4 1/2 ·
    15.4 0.606 48.4 1.90 J 4 5/8 50
    15.5 0.611 48.8 1.92 J 1/4 4 3/4 ·
    15.7 0.618 50.3 1.94 J 1/2 5 ·
    15.8 0.622 50.6 1.95 K 5 1/8 50
    15.9 0.625 50.0 1.97 K 1/4 5 1/4 ·
    16.0 0.630 50.3 1.98 K 1/2 5 3/8 ·
    16.1 0.634 50.6 1.99 L 5 1/2 51 3/4
    16.3 0.642 51.2 2.02 L 1/4 5 3/4 ·
    16.4 0.646 51.6 2.03 L 1/2 5 7/8 ·
    16.5 0.650 51.9 2.04 M 6 52 3/4
    16.7 0.658 52.5 2.07 M 1/2 6 1/4 ·
    16.9 0.666 53.2 2.09 N 6 1/2 54
    17.1 0.674 53.8 2.12 N 1/2 6 3/4 ·
    17.4 0.683 54.5 2.15 O 7 55 1/4
    17.5 0.687 54.8 2.16 O 1/2 7 1/4 ·
    17.8 0.698 55.8 2.20 P 7 1/2 56 1/2
    18.0 0.707 56.5 2.22 P 1/2 7 3/4 ·
    18.2 0.716 57.1 2.25 Q 8 57 3/4
    18.4 0.722 57.7 2.27 Q 1/2 8 1/4 ·
    18.5 0.729 58.2 2.29 Q 3/4 8 1/2 ·
    18.6 0.733 58.5 2.30 R 8 5/8 59
    18.7 0.736 58.7 2.31 R 1/4 8 3/4 ·
    18.8 0.740 59.1 2.32 R 1/2 8 7/8 ·
    18.9 0.743 59.3 2.35 R 3/4 9 ·
    19.1 0.752 60.0 2.36 S 9 1/8 60 1/4
    19.2 0.757 60.4 2.38 S 1/4 9 1/4 ·
    19.3 0.760 60.7 2.39 S 1/2 9 3/8 ·
    19.4 0.764 61.0 2.40 S 3/4 9 1/2 ·
    19.5 0.768 61.3 2.41 T 9 5/8 61 1/2
    19.6 0.772 61.6 2.43 T 1/4 9 3/4 ·
    19.8 0.781 62.3 2.45 T 1/2 10 ·
    20.0 0.780 62.9 2.48 U 10 1/4 62 3/4
    20.2 0.795 63.5 2.50 U 1/2 10 1/2 ·
    20.3 0.800 63.8 2.51 V 10 5/8 63
    20.4 0.805 64.2 2.53 V 1/4 10 3/4 ·
    20.7 0.814 65.0 2.56 V 1/2 11 ·
    20.8 0.817 65.2 2.57 W 11 1/8 65
    20.9 0.821 65.5 2.58 W 1/4 11 1/4 ·
    20.9 0.824 65.8 2.59 W 1/2 11 3/8 ·
    21.0 0.830 66.2 2.61 W 3/4 11 1/2 ·
    21.2 0.834 66.5 2.62 X 11 5/8 66 1/4
    21.2 0.836 66.7 2.63 X 1/4 11 3/4 ·
    21.3 0.838 66.9 2.64 X 1/2 11 7/8 ·
    21.5 0.846 67.5 2.66 Y 12 67 1/2
    21.7 0.854 68.1 2.68 Y 1/2 12 1/4 ·
    21.9 0.861 68.8 2.71 Z 12 1/2 68 3/4
    22.1 0.870 69.4 2.73 Z +1/2 12 3/4 ·
    22.3 0.879 70.2 2.76 Z+1 13 ·
    22.6 0.890 71.0 2.80 Z+1.5 13.5 ·
    22.7 0.893 71.3 2.81 Z+2 · ·
    22.9 0.902 72.0 2.83 Z+2.5 · ·
    23.0 0.908 72.5 2.85 Z+3 · ·
    23.3 0.915 73.0 2.87 Z+3.5 · ·
    23.5 0.924 73.7 2.90 Z+4 · ·
    23.6 0.927 74.0 2.91 Z+4.5 · ·
    23.9 0.940 75.0 2.95 Z+5 · ·
    24.3 0.955 76.2 3.00 Z+6 · ·

    Choose Ring Size

    This Timeless elegant 18ct white gold Solitaire 0.45ct Marquise Cut Diamond Ring held in a beautiful 4-claw setting.

    Shape: Marquise
    Carat: 0.45ct
    Colour: G
    Clarity: SI2
    Cut: VG/VG/S
    Setting: 4-claw 18ct white gold mount
    Certificate: IGL

    Additional Sizes Available

    Other Metals Available

    Other Styles Available

    Your diamond ring will be accompanied with an IGL diamond certificate specific to your diamond and your 10-year Diamond guarantee exclusive to Sonny's Jewellers

    Shipping: Free delivery on all orders. Orders above £250 are delivered with 48hrs tracked and insured. Orders below £250 sent 2nd Class post (5-7 days). For quicker delivery choose "Next Day" option at checkout

    Collections: All Engagement Rings Diamond Set Engagement Rings Marquise Diamond Rings

    Sonny's Guidance

    Diamond Carat, Colour, Cut & Clarity

    Diamond Carat, Colour, Cut & Clarity

    At Sonny's we will give you the best diamond advice. Learn the 4C's for Diamonds and how they determine the quality and value of your diamond.
    Read more
    Cleaning Your Jewellery at Home

    Cleaning Your Jewellery at Home

    Sonny offers advice for DIY jewellery cleaning at home to keep your jewellery in good condition between specialist cleans.
    Read more
    Recycling & Selling Gold Jewellery

    Recycling & Selling Gold Jewellery

    To re-model or to sell? Sonny can advise upon the options for you to get more value from your unloved or odd jewellery pieces.
    Read more

    Not the perfect style for you? Try these instead:

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