18ct south sea pearl & diamond marlo ring

$24,500
Size Guide
230319
DETAILS

This ring is named after our ambassador for the 2025 collection, Marlo Kelly. Marlo is an Australian actress, whose captivating presence and refined elegance beautifully represents the timeless and contemporary spirit of this ring. 

  • Approximately 26mm in total length, 26.5mm in total width & 13mm in total height
  • This piece was designed and produced by JAN LOGAN
    PRODUCTION

    Most of our pieces are in stock and ready to dispatch with complimentary international express shipping on all orders. If an item is unavailable, our Customer Service Team will confirm production details upon purchase.

    Please note, the made-to-order time frame is measured in business days and may vary by piece. Production time excludes processing and shipping.

    MATERIALS & CARE

    Diamonds: Responsibly sourced through family-owned suppliers and compliant with the Kimberley Process. Larger diamonds include GIA certification. To care, clean with soapy water and store separately.

    South Sea Pearls: Sustainably hand-harvested Australian pearls, MSC certified.

    Gold & Silver: Crafted with responsibly sourced metals certified by the Responsible Jewellery Council. To care for white gold, re-plate every 18-24 months. To care for sterling silver, use a polishing cloth.

    Rings: Store separately to prevent scratches, avoid water, and check for loose stones.

    COMPLIMENTARY SERVICES
    • Free Express International Shipping – Complimentary express shipping is available on all JAN LOGAN orders worldwide.
    • Returns & Exchanges – Enjoy returns for store credit or exchanges within 14 days of delivery or pick-up, subject to our terms.
    • Gift Wrapping – Every JAN LOGAN purchase is elegantly presented in our signature brown box with an option for a gift bag and a personalised note.
    • Six-Month Warranty – All JAN LOGAN jewellery is covered by a six-month warranty. Please see our Repairs & Warranty page for further information.
    Speak to a Client Advisor

    18ct south sea pearl & diamond marlo ring

    RING SIZE GUIDE

    1. INTERNATIONAL RING SIZE CHART

    CIRCUM
    (MM)    		 DIAM
    (MM)    		 AUS, UK
    EUR    		 USA ASIA SWISS
    44.2 14.1 F 3 4 4
    44.8 14.3 F½   5 5¼
    45.5 14.5 G 3½    
    46.1 14.7 G½   6 6½
    46.8 14.9 H 4 7  
    47.4 15.1 H½     ¾
    48.0 15.3 I 4½ 8  
    48.7 15.5 J     9
    49.3 15.7 J½ 5 9  
    50.0 15.9 K     10
    50.6 16.1 K½ 5½ 10  
    51.2 16.3 L     11¾
    51.9 16.5 L½ 6 11 12¾
    52.5 16.7 M   12  
    53.1 16.9 M½ 6½ 13 14
    53.8 17.1 N      
    54.4 17.3 N½ 7 14 15½
    55.1 17.5 O      
    55.7 17.7 O½ 7½ 15 16½
    56.3 17.9 P      
    57.0 18.1 P½ 8 16 17¾
    57.6 18.3 Q      
    58.3 18.5 Q½ 8½ 17  
    58.9 18.8 R     19
    59.5 19.0 R½ 9 18  
    60.2 19.2 S     20¼
    60.8 19.4 S½ 9½ 19  
    61.4 19.6 T     21½
    62.1 19.8 T½ 10 20  
    62.7 20.0 U   21  
    63.4 20.2 U½ 10½ 22 22¾
    64.0 20.4 V      
    64.6 20.6 V½ 11 23  
    65.3 20.8 W     25
    65.9 21.0 W½ 11½ 24  
    66.6 21.2 X      
    67.2 21.4 X½ 12 25 27½
    67.8 21.6 Y      
    68.5 21.8 Z 12½ 26 28¾
    69.1 22.0 Z½      
    69.7 22.2 Z+1 13 27  
    70.4 22.4        
    71.0 22.6     13  

    2. CHECK THE SIZE OF YOUR EXISTING RING

    Print the ring size guide and follow instructions to find out what size your existing ring is:
    RING SIZE GUIDE - CLICK TO PRINT

    3. ORDER A FREE RING SIZER

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