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Introducing the Sapphire Astra by Holts Gems—a silver ring featuring a round, deep blue sapphire in a sleek bezel setting, showcased on a white background. This exquisite engagement ring is a timeless symbol of love, perfect for those who seek an elegant and unique piece that truly stands out.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems features a round, bezel-set deep blue sapphire at its center, showcased on a white background—this exquisite engagement ring is a timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing the Sapphire Astra by Holts Gems—a rose gold ring featuring a round, deep blue sapphire in a sleek, modern bezel setting. Displayed on a white background, this engagement ring is a timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing the Sapphire Astra by Holts Gems—a silver ring featuring a round, deep blue sapphire in a sleek bezel setting, showcased on a white background. This exquisite engagement ring is a timeless symbol of love, perfect for those who seek an elegant and unique piece that truly stands out.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra engagement ring by Holts Gems is a stunning silver band adorned with a large, round, deep blue sapphire in a classic bezel setting. Displayed against a white background, this exquisite design is a timeless symbol of love—making the Sapphire Astra a truly unique and elegant choice for that special someone.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems showcases a slender gold band adorned with a striking, round deep blue sapphire in a bezel setting—an elegant engagement ring that embodies timeless love, beautifully presented against a white background.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing the Sapphire Astra by Holts Gems—a rose gold engagement ring featuring a bezel-set, round deep blue sapphire. Its slender, polished band highlights the brilliance of the central gemstone against a pristine white backdrop, making this unique piece a timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra engagement ring by Holts Gems is a stunning silver band adorned with a large, round, deep blue sapphire in a classic bezel setting. Displayed against a white background, this exquisite design is a timeless symbol of love—making the Sapphire Astra a truly unique and elegant choice for that special someone.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems features a rectangular, emerald-cut deep blue gemstone set at the center of a silver ring—displayed on a white background, this unique engagement ring is a timeless symbol of love and elegance.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing the Sapphire Astra by Holts Gems—a gold ring featuring an emerald-cut deep blue sapphire set in a sleek bezel setting, showcased against a white background. This unique engagement ring is a timeless symbol of love, ideal for anyone seeking a striking sapphire engagement ring.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing the Sapphire Astra by Holts Gems—a rose gold ring featuring a rectangular emerald-cut blue sapphire, elegantly set in a bezel setting. Shown against a white background, this unique engagement ring is a timeless symbol of love, perfect for those seeking a distinctive sapphire engagement ring.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems features a rectangular, emerald-cut deep blue gemstone set at the center of a silver ring—displayed on a white background, this unique engagement ring is a timeless symbol of love and elegance.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems showcases a cushion-cut blue gemstone set in a simple, polished silver band. Photographed on a white background, this sapphire engagement ring is a timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing the Sapphire Astra by Holts Gems—a gold ring featuring a cushion-cut deep blue gemstone elegantly set in a bezel setting. Displayed on a white background, this unique engagement ring captures the allure of a classic sapphire engagement ring, making it a timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing the Sapphire Astra by Holts Gems—a rose gold ring showcasing a cushion-cut blue sapphire in a bezel setting, elegantly displayed on a white background. This distinctive piece makes for a unique engagement ring and serves as an enduring symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems showcases a cushion-cut blue gemstone set in a simple, polished silver band. Photographed on a white background, this sapphire engagement ring is a timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems features a pear-shaped blue sapphire set at its center in a stunning silver ring, displayed on a white background—this unique engagement ring is a timeless symbol of love and elegance.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems is a gold ring featuring a pear-shaped blue sapphire set in the center, displayed against a white background. Its elegant design makes it a timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing the Sapphire Astra by Holts Gems: a rose gold ring showcasing a pear-shaped deep blue sapphire set in a simple, elegant band. Displayed against a white background, this engagement ring is a timeless symbol of love and commitment.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems features a pear-shaped blue sapphire set at its center in a stunning silver ring, displayed on a white background—this unique engagement ring is a timeless symbol of love and elegance.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing Sapphire Astra by Holts Gems—a contemporary silver ring featuring a square-cut deep blue sapphire, elegantly set in a minimalist bezel setting. Displayed against a white background with a subtle reflection, this striking engagement ring is the ideal choice for those seeking a unique and timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra engagement ring by Holts Gems features a square-cut deep blue sapphire in a bezel setting, elegantly displayed against a white background—a unique and timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing the Sapphire Astra by Holts Gems—a rose gold ring showcasing a square-cut deep blue sapphire in an elegant bezel setting, photographed against a white background. This unique engagement ring is a timeless symbol of love and sophistication.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing Sapphire Astra by Holts Gems—a contemporary silver ring featuring a square-cut deep blue sapphire, elegantly set in a minimalist bezel setting. Displayed against a white background with a subtle reflection, this striking engagement ring is the ideal choice for those seeking a unique and timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems is a silver ring featuring a marquise-cut deep blue gemstone, beautifully displayed on a plain white background—offering a unique engagement ring that serves as a timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing the Sapphire Astra by Holts Gems: a stunning gold ring featuring a marquise-cut deep blue sapphire at its center, elegantly displayed on a white background—this engagement ring is a timeless symbol of love and sophistication.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing the Sapphire Astra by Holts Gems: a rose gold engagement ring showcasing a marquise-cut deep blue sapphire, set in a simple, elegant band against a white background—a truly unique and timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems is a silver ring featuring a marquise-cut deep blue gemstone, beautifully displayed on a plain white background—offering a unique engagement ring that serves as a timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems is a silver ring showcasing a heart-shaped deep blue sapphire in a sleek bezel setting, beautifully photographed against a white background—a timeless symbol of love and devotion.
Fitting Guide Hand Fitting Guide Gemstone Example
Introducing the Sapphire Astra by Holts Gems, a distinctive engagement ring featuring a heart-shaped blue sapphire gemstone set at the center, beautifully displayed on a white background.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems is a rose gold ring featuring a heart-shaped deep blue gemstone set in the center, displayed on a white background—this unique engagement ring is a timeless symbol of love.
Fitting Guide Hand Fitting Guide Gemstone Example
The Sapphire Astra by Holts Gems is a silver ring showcasing a heart-shaped deep blue sapphire in a sleek bezel setting, beautifully photographed against a white background—a timeless symbol of love and devotion.
Fitting Guide Hand Fitting Guide Gemstone Example

Sapphire Astra

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Our products are custom-made and take approximately 4-5 weeks to complete.

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Details

The Sapphire Astra is a timeless symbol of love and individuality, featuring a radiant sapphire elegantly set within a polished, bezel frame. Its deep, captivating blue speaks of eternal devotion, while the sleek design ensures enduring comfort and style. Crafted with precision and care, this engagement ring is not only a testament to quality but also a reflection of the unique connection it celebrates.

  • GIA Diamonds
  • Free Shipping to UK
  • Free Insurance Valuation
  • Free Resizing & Cleaning

Ring Size Guide

Diameter (mm) UK & Australia
14.1 mm F
14.3 mm F1/2
14.5 mm G
14.7 mm G1/2
14.9 mm H
15.1 mm H1/2
15.3 mm I
15.5 mm J
15.7 mm J1/2
15.9 mm K
16.1 mm K1/2
16.3 mm L
16.5 mm L1/2
16.7 mm M
16.9 mm M1/2
17.1 mm N
17.3 mm N1/2
17.5 mm O
17.7 mm O1/2
17.9 mm P
18.1 mm P1/2
18.3 mm Q
18.5 mm Q1/2
18.7 mm R
18.9 mm R1/2
19.2 mm S
19.4 mm S1/2
19.6 mm T
19.8 mm T1/2
20.0 mm U
20.2 mm U1/2
20.4 mm V
20.6 mm V1/2
20.8 mm W
21.0 mm W1/2
21.2 mm X
21.4 mm X1/2
21.6 mm Y
21.8 mm Y1/2
22.0 mm Z
22.2 mm Z1/2

How to measure

1. Grab a tape measure, length of string or strip of paper.

2. Wrap it around the finger you’ll wear your ring on—if you’re creating a ring stack, consider where on your finger the ring will sit—and mark the place where it joins.

3. Lay your string or paper strip on a flat surface and use a ruler to measure the length up to the mark. Use the chart above to match the measurement to the closest Holts & Gems ring size.

Want another sizes or not sure your partern's size?

Our client care experts are always here to help.​ Contact Us,

  • Introducing the Sapphire Astra by Holts Gems—a silver ring featuring a round, deep blue sapphire in a sleek bezel setting, showcased on a white background. This exquisite engagement ring is a timeless symbol of love, perfect for those who seek an elegant and unique piece that truly stands out.
  • The Sapphire Astra by Holts Gems features a round, bezel-set deep blue sapphire at its center, showcased on a white background—this exquisite engagement ring is a timeless symbol of love.
  • Introducing the Sapphire Astra by Holts Gems—a rose gold ring featuring a round, deep blue sapphire in a sleek, modern bezel setting. Displayed on a white background, this engagement ring is a timeless symbol of love.
  • Introducing the Sapphire Astra by Holts Gems—a silver ring featuring a round, deep blue sapphire in a sleek bezel setting, showcased on a white background. This exquisite engagement ring is a timeless symbol of love, perfect for those who seek an elegant and unique piece that truly stands out.
  • The Sapphire Astra engagement ring by Holts Gems is a stunning silver band adorned with a large, round, deep blue sapphire in a classic bezel setting. Displayed against a white background, this exquisite design is a timeless symbol of love—making the Sapphire Astra a truly unique and elegant choice for that special someone.
  • The Sapphire Astra by Holts Gems showcases a slender gold band adorned with a striking, round deep blue sapphire in a bezel setting—an elegant engagement ring that embodies timeless love, beautifully presented against a white background.
  • Introducing the Sapphire Astra by Holts Gems—a rose gold engagement ring featuring a bezel-set, round deep blue sapphire. Its slender, polished band highlights the brilliance of the central gemstone against a pristine white backdrop, making this unique piece a timeless symbol of love.
  • The Sapphire Astra engagement ring by Holts Gems is a stunning silver band adorned with a large, round, deep blue sapphire in a classic bezel setting. Displayed against a white background, this exquisite design is a timeless symbol of love—making the Sapphire Astra a truly unique and elegant choice for that special someone.
  • The Sapphire Astra by Holts Gems features a rectangular, emerald-cut deep blue gemstone set at the center of a silver ring—displayed on a white background, this unique engagement ring is a timeless symbol of love and elegance.
  • Introducing the Sapphire Astra by Holts Gems—a gold ring featuring an emerald-cut deep blue sapphire set in a sleek bezel setting, showcased against a white background. This unique engagement ring is a timeless symbol of love, ideal for anyone seeking a striking sapphire engagement ring.
  • Introducing the Sapphire Astra by Holts Gems—a rose gold ring featuring a rectangular emerald-cut blue sapphire, elegantly set in a bezel setting. Shown against a white background, this unique engagement ring is a timeless symbol of love, perfect for those seeking a distinctive sapphire engagement ring.
  • The Sapphire Astra by Holts Gems features a rectangular, emerald-cut deep blue gemstone set at the center of a silver ring—displayed on a white background, this unique engagement ring is a timeless symbol of love and elegance.
  • The Sapphire Astra by Holts Gems showcases a cushion-cut blue gemstone set in a simple, polished silver band. Photographed on a white background, this sapphire engagement ring is a timeless symbol of love.
  • Introducing the Sapphire Astra by Holts Gems—a gold ring featuring a cushion-cut deep blue gemstone elegantly set in a bezel setting. Displayed on a white background, this unique engagement ring captures the allure of a classic sapphire engagement ring, making it a timeless symbol of love.
  • Introducing the Sapphire Astra by Holts Gems—a rose gold ring showcasing a cushion-cut blue sapphire in a bezel setting, elegantly displayed on a white background. This distinctive piece makes for a unique engagement ring and serves as an enduring symbol of love.
  • The Sapphire Astra by Holts Gems showcases a cushion-cut blue gemstone set in a simple, polished silver band. Photographed on a white background, this sapphire engagement ring is a timeless symbol of love.
  • The Sapphire Astra by Holts Gems features a pear-shaped blue sapphire set at its center in a stunning silver ring, displayed on a white background—this unique engagement ring is a timeless symbol of love and elegance.
  • The Sapphire Astra by Holts Gems is a gold ring featuring a pear-shaped blue sapphire set in the center, displayed against a white background. Its elegant design makes it a timeless symbol of love.
  • Introducing the Sapphire Astra by Holts Gems: a rose gold ring showcasing a pear-shaped deep blue sapphire set in a simple, elegant band. Displayed against a white background, this engagement ring is a timeless symbol of love and commitment.
  • The Sapphire Astra by Holts Gems features a pear-shaped blue sapphire set at its center in a stunning silver ring, displayed on a white background—this unique engagement ring is a timeless symbol of love and elegance.
  • Introducing Sapphire Astra by Holts Gems—a contemporary silver ring featuring a square-cut deep blue sapphire, elegantly set in a minimalist bezel setting. Displayed against a white background with a subtle reflection, this striking engagement ring is the ideal choice for those seeking a unique and timeless symbol of love.
  • The Sapphire Astra engagement ring by Holts Gems features a square-cut deep blue sapphire in a bezel setting, elegantly displayed against a white background—a unique and timeless symbol of love.
  • Introducing the Sapphire Astra by Holts Gems—a rose gold ring showcasing a square-cut deep blue sapphire in an elegant bezel setting, photographed against a white background. This unique engagement ring is a timeless symbol of love and sophistication.
  • Introducing Sapphire Astra by Holts Gems—a contemporary silver ring featuring a square-cut deep blue sapphire, elegantly set in a minimalist bezel setting. Displayed against a white background with a subtle reflection, this striking engagement ring is the ideal choice for those seeking a unique and timeless symbol of love.
  • The Sapphire Astra by Holts Gems is a silver ring featuring a marquise-cut deep blue gemstone, beautifully displayed on a plain white background—offering a unique engagement ring that serves as a timeless symbol of love.
  • Introducing the Sapphire Astra by Holts Gems: a stunning gold ring featuring a marquise-cut deep blue sapphire at its center, elegantly displayed on a white background—this engagement ring is a timeless symbol of love and sophistication.
  • Introducing the Sapphire Astra by Holts Gems: a rose gold engagement ring showcasing a marquise-cut deep blue sapphire, set in a simple, elegant band against a white background—a truly unique and timeless symbol of love.
  • The Sapphire Astra by Holts Gems is a silver ring featuring a marquise-cut deep blue gemstone, beautifully displayed on a plain white background—offering a unique engagement ring that serves as a timeless symbol of love.
  • The Sapphire Astra by Holts Gems is a silver ring showcasing a heart-shaped deep blue sapphire in a sleek bezel setting, beautifully photographed against a white background—a timeless symbol of love and devotion.
  • Introducing the Sapphire Astra by Holts Gems, a distinctive engagement ring featuring a heart-shaped blue sapphire gemstone set at the center, beautifully displayed on a white background.
  • The Sapphire Astra by Holts Gems is a rose gold ring featuring a heart-shaped deep blue gemstone set in the center, displayed on a white background—this unique engagement ring is a timeless symbol of love.
  • The Sapphire Astra by Holts Gems is a silver ring showcasing a heart-shaped deep blue sapphire in a sleek bezel setting, beautifully photographed against a white background—a timeless symbol of love and devotion.

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