Your cart -

  • ABOUT
    • ALL
    • RING
    • BRACELET
    • PIERCE/EARRING
    • NECKLACE
    • PRODUCT
  • JOURNAL
  • STOCKIST
  • PRIVATE SHOWROOM SYNC
  • PARTNER RING
  • CONTACT
    • Log in
    • Create account
    • Twitter
    • Instagram
    • Email
    NEXT ONLINE ORDER 5.5-5.12 World Wide Shipping
    Skip to content
    • ABOUT
      • ALL
      • RING
      • BRACELET
      • PIERCE/EARRING
      • NECKLACE
      • PRODUCT
    • JOURNAL
    • STOCKIST
    • PRIVATE SHOWROOM SYNC
    • PARTNER RING
    • CONTACT
    ISIR OFFICIAL WEBSITE
    Log in
    ISIR OFFICIAL WEBSITE
    • SF RING 01 (WHITE CHALCEDONY)
    • SF RING 01 (WHITE CHALCEDONY)
    • SF RING 01 (WHITE CHALCEDONY)
    • SF RING 01 (WHITE CHALCEDONY)
    • SF RING 01 (WHITE CHALCEDONY)
    • SF RING 01 (WHITE CHALCEDONY)
    • SF RING 01 (WHITE CHALCEDONY)
    • SF RING 01 (WHITE CHALCEDONY)
    • SF RING 01 (WHITE CHALCEDONY)
    • SF RING 01 (WHITE CHALCEDONY)

    SF RING 01 (WHITE CHALCEDONY)

    Regular price ¥55,000
     
     
    This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.

    A signet ring consisting of three perfect circles.
    While maintaining the relationship of the three circles that do not intersect, the overall outline is formed.
    Please love the heavy weight.

    SILVER925/WHITE CHALCEDONY

    #1-#23 (issue number)
    (*For other numbers, please use the contact form.)

    MIRROR POLISH

    Be careful not to dent or deform the surface or corners due to dropping or applying pressure.
    If you would like a size other than the notation, please contact us using the contact form.

    This product is made to order. After confirming the payment, it will take about 6-8 weeks for production and will be shipped as soon as it is completed.

    NUMBER, CIRCUMFERENCE, DIAMETER
    List of ring size, inner circumference and inner diameter

    SIZE

    (issue number)

    Inner circumference

    (mm)

    inner diameter

    (mm)

    SIZE

    (issue number)

    Inner circumference

    (mm)

    inner diameter

    (mm)

    -3 36.6 11.67 19 59.7 19
    -2 37.7 12 20 60.7 19.4
    -1 38.7 12.33 twenty one 61.8 19.7
    0 39.8 12.67 twenty two 62.8 20
    1 40.8 13 twenty three 63.9 20.4
    2 41.9 13.4 twenty four 64.9 20.7
    3 42.9 13.7 twenty five 66 twenty one
    Four 44 14.0 26 66.9 21.4
    Five 45 14.4 27 68 21.7
    6 46.1 14.7 28 69.1 twenty two
    7 47.1 15.0 29 70.1 22.3
    8 48.2 15.4 30 71.2 22.6
    9 49.2 15.7 31 72.3 twenty three
    Ten 50.3 16 32 73.3 23.3
    11 51.3 16.4 33 74.3 23.6
    12 52.4 16.7 34 75.4 twenty four
    13 53.4 17 35 76.4 24.3
    14 54.5 17.4 36 77.5 24.6
    15 55.5 17.7 37 78.5 twenty five
    16 56.5 18 38 79.6 25.3
    17 57.6 18.4 39 80.6 25.6
    18 58.6 18.7 40 81.7 26


    Click here for ring gauge rental service


    ISIR OFFICIAL WEBSITE

    ISIR official website

    Established in 2019, and designed in Tokyo.

    • Notation based on the Act on Specified Commercial Transactions
    • privacy policy
    • CONTACT

    SNS

    • Twitter
    • Instagram
    • Email

    © 2025, ISIR OFFICIAL WEBSITE.

    Language

    • 日本語
    • English

    Country/region

    • Afghanistan (AFN ؋)
    • Åland Islands (EUR €)
    • Albania (ALL L)
    • Algeria (DZD د.ج)
    • Andorra (EUR €)
    • Angola (JPY ¥)
    • Anguilla (XCD $)
    • Antigua & Barbuda (XCD $)
    • Argentina (JPY ¥)
    • Armenia (AMD դր.)
    • Aruba (AWG ƒ)
    • Ascension Island (SHP £)
    • Australia (AUD $)
    • Austria (EUR €)
    • Azerbaijan (AZN ₼)
    • Bahamas (BSD $)
    • Bahrain (JPY ¥)
    • Bangladesh (BDT ৳)
    • Barbados (BBD $)
    • Belarus (JPY ¥)
    • Belgium (EUR €)
    • Belize (BZD $)
    • Benin (XOF Fr)
    • Bermuda (USD $)
    • Bhutan (JPY ¥)
    • Bolivia (BOB Bs.)
    • Bosnia & Herzegovina (BAM КМ)
    • Botswana (BWP P)
    • Brazil (JPY ¥)
    • British Indian Ocean Territory (USD $)
    • British Virgin Islands (USD $)
    • Brunei (BND $)
    • Bulgaria (BGN лв.)
    • Burkina Faso (XOF Fr)
    • Burundi (BIF Fr)
    • Cambodia (KHR ៛)
    • Cameroon (XAF CFA)
    • Canada (CAD $)
    • Cape Verde (CVE $)
    • Caribbean Netherlands (USD $)
    • Cayman Islands (KYD $)
    • Central African Republic (XAF CFA)
    • Chad (XAF CFA)
    • Chile (JPY ¥)
    • China (CNY ¥)
    • Christmas Island (AUD $)
    • Cocos (Keeling) Islands (AUD $)
    • Colombia (JPY ¥)
    • Comoros (KMF Fr)
    • Congo - Brazzaville (XAF CFA)
    • Congo - Kinshasa (CDF Fr)
    • Cook Islands (NZD $)
    • Costa Rica (CRC ₡)
    • Côte d’Ivoire (XOF Fr)
    • Croatia (EUR €)
    • Curaçao (ANG ƒ)
    • Cyprus (EUR €)
    • Czechia (CZK Kč)
    • Denmark (DKK kr.)
    • Djibouti (DJF Fdj)
    • Dominica (XCD $)
    • Dominican Republic (DOP $)
    • Ecuador (USD $)
    • Egypt (EGP ج.م)
    • El Salvador (USD $)
    • Equatorial Guinea (XAF CFA)
    • Eritrea (JPY ¥)
    • Estonia (EUR €)
    • Eswatini (JPY ¥)
    • Ethiopia (ETB Br)
    • Falkland Islands (FKP £)
    • Faroe Islands (DKK kr.)
    • Fiji (FJD $)
    • Finland (EUR €)
    • France (EUR €)
    • French Guiana (EUR €)
    • French Polynesia (XPF Fr)
    • French Southern Territories (EUR €)
    • Gabon (XOF Fr)
    • Gambia (GMD D)
    • Georgia (JPY ¥)
    • Germany (EUR €)
    • Ghana (JPY ¥)
    • Gibraltar (GBP £)
    • Greece (EUR €)
    • Greenland (DKK kr.)
    • Grenada (XCD $)
    • Guadeloupe (EUR €)
    • Guatemala (GTQ Q)
    • Guernsey (GBP £)
    • Guinea (GNF Fr)
    • Guinea-Bissau (XOF Fr)
    • Guyana (GYD $)
    • Haiti (JPY ¥)
    • Honduras (HNL L)
    • Hong Kong SAR (HKD $)
    • Hungary (HUF Ft)
    • Iceland (ISK kr)
    • India (INR ₹)
    • Indonesia (IDR Rp)
    • Iraq (JPY ¥)
    • Ireland (EUR €)
    • Isle of Man (GBP £)
    • Israel (ILS ₪)
    • Italy (EUR €)
    • Jamaica (JMD $)
    • Japan (JPY ¥)
    • Jersey (JPY ¥)
    • Jordan (JPY ¥)
    • Kazakhstan (KZT ₸)
    • Kenya (KES KSh)
    • Kiribati (JPY ¥)
    • Kosovo (EUR €)
    • Kuwait (JPY ¥)
    • Kyrgyzstan (KGS som)
    • Laos (LAK ₭)
    • Latvia (EUR €)
    • Lebanon (LBP ل.ل)
    • Lesotho (JPY ¥)
    • Liberia (JPY ¥)
    • Libya (JPY ¥)
    • Liechtenstein (CHF CHF)
    • Lithuania (EUR €)
    • Luxembourg (EUR €)
    • Macao SAR (MOP P)
    • Madagascar (JPY ¥)
    • Malawi (MWK MK)
    • Malaysia (MYR RM)
    • Maldives (MVR MVR)
    • Mali (XOF Fr)
    • Malta (EUR €)
    • Martinique (EUR €)
    • Mauritania (JPY ¥)
    • Mauritius (MUR ₨)
    • Mayotte (EUR €)
    • Mexico (JPY ¥)
    • Moldova (MDL L)
    • Monaco (EUR €)
    • Mongolia (MNT ₮)
    • Montenegro (EUR €)
    • Montserrat (XCD $)
    • Morocco (MAD د.م.)
    • Mozambique (JPY ¥)
    • Myanmar (Burma) (MMK K)
    • Namibia (JPY ¥)
    • Nauru (AUD $)
    • Nepal (NPR Rs.)
    • Netherlands (EUR €)
    • New Caledonia (XPF Fr)
    • New Zealand (NZD $)
    • Nicaragua (NIO C$)
    • Niger (XOF Fr)
    • Nigeria (NGN ₦)
    • Niue (NZD $)
    • Norfolk Island (AUD $)
    • North Macedonia (MKD ден)
    • Norway (JPY ¥)
    • Oman (JPY ¥)
    • Pakistan (PKR ₨)
    • Palestinian Territories (ILS ₪)
    • Panama (USD $)
    • Papua New Guinea (PGK K)
    • Paraguay (PYG ₲)
    • Peru (PEN S/)
    • Philippines (PHP ₱)
    • Pitcairn Islands (NZD $)
    • Poland (PLN zł)
    • Portugal (EUR €)
    • Qatar (QAR ر.ق)
    • Réunion (EUR €)
    • Romania (RON Lei)
    • Russia (JPY ¥)
    • Rwanda (RWF FRw)
    • Samoa (WST T)
    • San Marino (EUR €)
    • São Tomé & Príncipe (STD Db)
    • Saudi Arabia (SAR ر.س)
    • Senegal (XOF Fr)
    • Serbia (RSD РСД)
    • Seychelles (JPY ¥)
    • Sierra Leone (SLL Le)
    • Singapore (SGD $)
    • Sint Maarten (ANG ƒ)
    • Slovakia (EUR €)
    • Slovenia (EUR €)
    • Solomon Islands (SBD $)
    • Somalia (JPY ¥)
    • South Africa (JPY ¥)
    • South Georgia & South Sandwich Islands (GBP £)
    • South Korea (KRW ₩)
    • South Sudan (JPY ¥)
    • Spain (EUR €)
    • Sri Lanka (LKR ₨)
    • St. Barthélemy (EUR €)
    • St. Helena (SHP £)
    • St. Kitts & Nevis (XCD $)
    • St. Lucia (XCD $)
    • St. Martin (EUR €)
    • St. Pierre & Miquelon (EUR €)
    • St. Vincent & Grenadines (XCD $)
    • Sudan (JPY ¥)
    • Suriname (JPY ¥)
    • Svalbard & Jan Mayen (JPY ¥)
    • Sweden (SEK kr)
    • Switzerland (CHF CHF)
    • Taiwan (TWD $)
    • Tajikistan (TJS ЅМ)
    • Tanzania (TZS Sh)
    • Thailand (THB ฿)
    • Timor-Leste (USD $)
    • Togo (XOF Fr)
    • Tokelau (NZD $)
    • Tonga (TOP T$)
    • Trinidad & Tobago (TTD $)
    • Tristan da Cunha (GBP £)
    • Tunisia (JPY ¥)
    • Türkiye (JPY ¥)
    • Turkmenistan (JPY ¥)
    • Turks & Caicos Islands (USD $)
    • Tuvalu (AUD $)
    • U.S. Outlying Islands (USD $)
    • Uganda (UGX USh)
    • Ukraine (UAH ₴)
    • United Arab Emirates (AED د.إ)
    • United Kingdom (GBP £)
    • United States (USD $)
    • Uruguay (UYU $U)
    • Uzbekistan (UZS so'm)
    • Vanuatu (VUV Vt)
    • Vatican City (EUR €)
    • Venezuela (USD $)
    • Vietnam (VND ₫)
    • Wallis & Futuna (XPF Fr)
    • Western Sahara (MAD د.م.)
    • Yemen (YER ﷼)
    • Zambia (JPY ¥)
    • Zimbabwe (USD $)

    JOIN OUR MAILING LIST

    In addition to information on ISIR's exhibitions and new product announcements, we will contact you with special information limited to the mailing list. If you are interested, please register your e-mail address and register.

    • Choosing a selection results in a full page refresh.
    • Press the space key then arrow keys to make a selection.