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Lilith Coffin Cut Natural Herkimer Diamond Ring Set in Solid 14K Rose Gold by Aquamarise Gold, featuring a unique coffin-cut natural Herkimer diamond accented by delicate sparkling stones, part of Solid Gold Engagement Rings and Alternative Engagement Rings collections.
Lilith Coffin Cut Natural Herkimer Diamond Ring Set in Solid 14K Rose Gold inspired by cosmic celestial patterns, crafted by Aquamarise Gold for unique, fantasy-inspired engagement rings.
Three diamond rings with pear-shaped gemstones on a hand against a neutral background
Lilith Coffin Cut Natural Herkimer Diamond Ring Set in Solid 14K Rose Gold by Aquamarise Gold, shown on a hand holding a checkered handbag with soft striped top background.
Rose gold engagement ring set with coffin cut Herkimer diamond center stone and accents on hand over a light background
Rose gold engagement ring set with coffin cut Herkimer diamond center stone and accents on hand over a light background
Lilith Coffin Cut Natural Herkimer Diamond Ring Set in Solid 14K Rose Gold by Aquamarise Gold, featuring a unique coffin-shaped Herkimer diamond with delicate sparkling accents, part of Solid Gold Engagement Rings and Alternative Engagement Rings collections.
Lilith Coffin Cut Natural Herkimer Diamond Ring Set in Solid 14K Rose Gold by Aquamarise Gold, featuring a unique coffin-cut natural Herkimer diamond accented by delicate sparkling stones, part of Solid Gold Engagement Rings and Alternative Engagement Rings collections.
Lilith Coffin Cut Natural Herkimer Diamond Ring Set in Solid 14K Rose Gold inspired by cosmic celestial patterns, crafted by Aquamarise Gold for unique, fantasy-inspired engagement rings.
Three diamond rings with pear-shaped gemstones on a hand against a neutral background
Lilith Coffin Cut Natural Herkimer Diamond Ring Set in Solid 14K Rose Gold by Aquamarise Gold, shown on a hand holding a checkered handbag with soft striped top background.
Rose gold engagement ring set with coffin cut Herkimer diamond center stone and accents on hand over a light background
Rose gold engagement ring set with coffin cut Herkimer diamond center stone and accents on hand over a light background
Lilith Coffin Cut Natural Herkimer Diamond Ring Set in Solid 14K Rose Gold by Aquamarise Gold, featuring a unique coffin-shaped Herkimer diamond with delicate sparkling accents, part of Solid Gold Engagement Rings and Alternative Engagement Rings collections.

Lilith Coffin Cut Natural Herkimer Diamond Ring Set in Solid 14K Rose Gold

$2,345.00 $1,993.95 15% off
Size Chart

Ring Size Chart

Find your ring size

  1. Print at 100% / Actual Size — turn off "fit to page" or scaling.
  2. Check the printed ruler measures exactly 80 mm.

Method A — Measure a ring

Lay a ring you own over the circles. The matching circle is your size.

Method B — Finger strip

Cut out the strip, wrap it around your finger, thread the end through the slit, and read your size.

Open the printable sizer (PDF)
1. Calibrate your screen — pick a reference object, hold it against the outline, and drag until the widths match exactly. On a phone, a coin is easiest — a card is often wider than the screen.
Bank card — hold vertically
2. Match a ring you own — drag until the circle fits just inside one of your rings.
​
US 6 · 16.5 mm · UK L½ · EU 52

This on-screen tool is a close guide, not a guaranteed exact fit. For certainty, order a ring sizer.

US Diameter Circumf. UK/AU/IE EU

UK, Australia & Ireland share the letter system. European sizes are approximate conversions.

 
Shipping calculated at checkout.

Size Chart

Find your ring size

  1. Print at 100% / Actual Size — turn off "fit to page" or scaling.
  2. Check the printed ruler measures exactly 80 mm.

Method A — Measure a ring

Lay a ring you own over the circles. The matching circle is your size.

Method B — Finger strip

Cut out the strip, wrap it around your finger, thread the end through the slit, and read your size.

Open the printable sizer (PDF)
1. Calibrate your screen — pick a reference object, hold it against the outline, and drag until the widths match exactly. On a phone, a coin is easiest — a card is often wider than the screen.
Bank card — hold vertically
2. Match a ring you own — drag until the circle fits just inside one of your rings.
​
US 6 · 16.5 mm · UK L½ · EU 52

This on-screen tool is a close guide, not a guaranteed exact fit. For certainty, order a ring sizer.

US Diameter Circumf. UK/AU/IE EU

UK, Australia & Ireland share the letter system. European sizes are approximate conversions.

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Geode Ring Box - Crystal Engagement Ring Holder for Proposal or Keepsake by Aquamarise, featuring vibrant purple and gold natural geode crystals in a unique gift-ready design.
Natural Geode Ring Box – Crystal Proposal & Keepsake Ring Holder
$145.00
Night Court Handmade Leather Book Ring Box (Small) by Aquamarise with celestial design, placed on ornate gold tray with pink crystal accents, from Ring Boxes & Keepsake Proposals collection.
Night Court Handmade Leather Book Ring Box (Small)
$79.99
Dawn Court Leather Book Ring Box - Blushing Dawn Edition (Small) by Aquamarise, a soft pink handmade book-shaped ring box with gold celestial design on a silver tray with rose quartz stones.
Dawn Court Leather Book Ring Box – Blushing Dawn Edition (Small)
$79.99
Dawn Court Leather Book Ring Box - Rose Glow Edition (Small) by Aquamarise, a vegan leather pink book-style ring box with gold celestial designs, perfect for meaningful jewelry gifts.
Dawn Court Leather Book Ring Box – Rose Glow Edition (Small)
$79.99
Winter Court Leather Book Ring Box – Frost Sky Edition (Small) by Aquamarise, blue leather with silver snowflake design, in handmade ring boxes and meaningful jewelry gifts collection.
Winter Court Leather Book Ring Box – Frost Sky Edition (Small)
$79.99
Winter Court Leather Book Ring Box – Glacier Mist Edition (Small) by Aquamarise, a handcrafted pale blue leather ring box with delicate snowflake design, ideal for meaningful jewelry gifts.
Winter Court Leather Book Ring Box – Glacier Mist Edition (Small)
$79.99
Spring Court Handmade Leather Book Ring Box- Bloomlight Green Edition (Small) by Aquamarise, a delicate white leather ring box with gold floral design on an elegant silver tray.
Spring Court Handmade Leather Book Ring Box – Bloomlight Green Edition (Small)
$79.99
Free US shipping
Lifetime warranty
Free first resizing
Free ring box
Wedding bands by Aquamarise fanned across soft lilac fabric, including rose gold, yellow gold and rhodium-finished styles set with diamonds and violet gemstones.

Complete the set

Solid Gold Wedding Bands

Contoured to sit flush against this setting — in matching 10K, 14K and 18K gold. Prefer the cooler white of platinum? We make those too.

Shop the collection

Free U.S. Shipping + Worldwide Delivery

Ethically Sourced Gemstones

Handcrafted by Aquamarise®

Complimentary Engraving on Every Order

Free U.S. Shipping + Worldwide Delivery

Ethically Sourced Gemstones

Handcrafted by Aquamarise®

Complimentary Engraving on Every Order

The Aquamarise Difference

Aquamarise ring size guide showing a solitaire engagement ring with lavender accent stones worn on a hand Solid gold and platinum, never plated
Ruby engagement ring by Aquamarise shown in a collection banner Every stone set by hand
Gothic Victorian Black Onyx Couples Ring Set by Aquamarise, featuring black onyx gemstone and detailed bands in a dark romantic style for matching couples rings. 200,000 rings made since 2019

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Ethically Sourced Gemstones
Metal Type: 14K Solid Rose Gold