In the realm of red-colored gemstones, including garnets, hessonites, spinels, etc. - the distinction between ruby stones and pink sapphires stands as a captivating subject for gemmologists and enthusiasts alike. Both these gemstones are oftentimes confused with another, and are also used somewhat interchangeably. This exploration aims to meticulously dissect the differences between rubies and pink sapphires, delving into their geological origins, chemical compositions, and the intricate factors that define their individual allure. As we embark on this journey of gemstone elucidation, precision and scientific clarity will guide our discourse, offering a comprehensive understanding of these 2 remarkable members of the corundum family.
Both rubies and pink sapphires belong to the same mineral family of Corundum – which all other coloured sapphires are also composed of. Corundum is the crystalline form of aluminium oxide, and is known to be extremely durable, rating in at 9 on the Mohs Scale. The primary difference between rubies and pink sapphires stems from their individual colours - something that, at times, proves intricate to navigate and differentiate between effectively.
So, if you’re someone who’s perplexed about making a purchasing decision between these two gemstone varieties of Corundum, you’ve landed on the right page. In this blog, we will uncover the various parameters of comparison between these 2 gemstones. Whether you’re intrigued about them being your birthstones, just a fascinated wearer, or simply curious - you will find all your answers here.
What Is a Ruby?
Ruby, often called Manik or Manikya in India, is a precious gemstone popular for its alluring red hue. Its red colour could range from deep crimson to a vibrant scarlet, depending on its origin and concentration of trace elements. As a variety of corundum, its exceptional hardness (9 on the Mohs scale) ensures durability and brilliance, making it one of the most popular gemstones preferred for jewelry. It is also interesting to note that rubies and pink sapphires share not only their allure but also the same crystal structure, as both gemstones are derived from the mineral corundum. Still, the unique beauty of these two gemstones lies in the different colors they exhibit.
A ruby stone is considered special because of its natural and vibrant red color, which is rare in nature. The intensity and clarity of this red hue, along with other factors, determine the overall value and rarity of a ruby. In this regard, Burmese rubies are said to be the most precious as they’re known for their intense colour, often found in pigeon’s blood red shades.
Rubies are also exceedingly popular in astrology. The ruby stone holds perhaps the most important position in the famed Navratna gemstones, and is known for its association with the Sun. Moreover, many people wear a ruby stone because it symbolizes passion, courage, and prosperity. Its distinct color, coupled with historical and cultural significance, sets ruby apart, transcending mere aesthetics and marking it as a gemstone of profound cultural and emotional resonance.
A rough ruby crystal
What Is a Pink Sapphire?
A pink sapphire is a variant of the mineral corundum, distinguished by its captivating pink hue. Corundum, composed primarily of aluminium oxide, is the same mineral that yields rubies when it manifests in red tones. The pink coloration in sapphires is attributed to the presence of trace elements, typically chromium or iron, during the gemstone's formation.
Pink sapphires are quite similar to rubies but have their own standout features that are hard to miss. The pink sapphire is a stunning gem that occurs in a range of pink colors, from soft pastels and baby pinks to intensely saturated, and deep reddish-pinks. What can be surprising to note is the fact that some gemmologists and gem certification labs may sometimes classify pink sapphire as a ruby gemstone or vice versa, depending on the strictness of colour grading that they follow.
As such, the lack of a universal consensus on differentiating between a ruby stone and pink sapphires can be attributed to the somewhat subjective nature of studying colour. In fact, the Gemological Institute of America (GIA) classifies corundum as rubies only if they exhibit a "dominant" red hue, while the International Colored Gemstone Association (ICA) considers any red-hued corundum as a ruby, regardless of depth or intensity. The International Gem Society (IGS), on the other hand, acknowledges the lack of a widespread consensus on this distinction, providing information on both "pinkish" rubies and pink sapphires to reflect diverse opinions in the gemmological community. Thus, there is a thin line of color difference between the two stones; however, it does persist.
A rough & a polished pink sapphire
Ruby Stone v. Pink Sapphire: A Comparative Analysis
As mentioned earlier, when choosing between these two gemstones, several factors should be considered. Below, we have outlined some of the crucial parameters to take account of in order to make an informed buying decision.
1. Sources & Origins
Rubies and pink sapphires, both belonging to the corundum family, share similar geological occurrences. These gemstones are primarily found in metamorphic and igneous rocks, with their formation intricately linked to specific geological conditions.
Both these varieties of Corundum are found in various regions across the world. Rubies from Burma, now known as Myanmar, are known to be the rarest and most coveted variety in the world – with their distinctive pigeon’s blood red shades revered globally. Burmese rubies, however, often contain a plethora of inclusions, and those with fewer inclusions and higher levels of clarity are rare. These also occur in relatively smaller carat weights. Other top sources for the ruby stone include Mozambique, Madagascar, Tanzania, and Ceylon (Sri Lanka). Other notable sources include Afghanistan, India, and Thailand.
Pink sapphires typically emerge from alluvial deposits, sedimentary rocks, and metamorphic formations – and often occur in similar regions as rubies, including Burma (Myanmar), Madagascar, Tanzania, and Ceylon (Sri Lanka).
2. Colours
First, the ruby gem – the king of gemstones, is known for its irresistible deep red color. The secret behind this is Chromium in the crystalline structure, producing a symphony of red hues. The richness and uniformity of the red color are the gold standards for top-notch rubies, and their value often increases with the size, measured in carats, adding an extra layer of significance.
Now, turning our attention to pink sapphires, these gems display a spectrum extending from gentle, pale pinks to robust, commanding shades with a subtle reddish-pink undertone. The gem's composition incorporates Titanium and Iron in trace amounts, and it is this chemical amalgamation that gives rise to the enchanting array of pink hues. The pink sapphire spectrum encompasses everything from subdued reddish and pinkish pastels to vibrant, saturated tones.
Overall, while assessing the color of these valuable gemstones, which is perhaps the most important point of distinction between natural rubies and pink sapphires, one should always consider the 3 aspects of studying colour: the hue, the tone, and the saturation of the gemstone colour. The hue refers to the dominant shade of colour of a gemstone – such as blue, red, or green. The tone refers to the lightness or darkness of colour, and the saturation refers to the intensity or vividness of colour.
The spectrum of pink sapphire & ruby colours - from left to right
3. Pricing
The pricing dynamics for both ruby stones and pink sapphires are multifaceted, influenced by factors such as color, clarity, cut, carat weight, origin, and market demand.
In general, pink sapphires are generally considered more affordable than rubies. However, it's essential to note that in the spectrum of pink sapphires, those exhibiting richer and more vivid pink colours often come with a higher price tag when compared to their lighter and less saturated counterparts. While rubies, in general, stay heavier on the purse compared to pink sapphires, it's crucial to acknowledge that pink sapphires can also carry substantial price tags, especially when they boast exceptional color and clarity. Moreover, if a pink sapphire is graded as a ruby by a reputable gem lab, it can fetch a higher price.
Broadly speaking, the pricing spectrum for standard quality unheated rubies typically starts from around $350 - $450 per carat, and has no upper limit per se. In fact, the world’s most expensive ruby, the 55.22-carat Estrela de Fura, fetched a whopping $34.8 million at a Sotheby’s auction in 2023. On the other hand, pink sapphires have a more accessible entry point, starting from about $200 per carat, and may fetch up to multiple thousands per carat, depending on their specific inclusions, clarity, and other such quality factors.
Overall, when choosing between a ruby stone or a pink sapphire, you only need to understand that a pure red ruby will, in general, cost more than a deep pink sapphire. Of course, there are other nuances to consider as well, including the 4Cs of the gems as well as their origins and lab certification results – all of which are essential considerations of your pink sapphire or ruby quality.
The Estrela de Fura is a 55.22-carat Mozambique ruby - and is the world’s most expensive ruby
4. Astrological Benefits
Both pink sapphires and rubies are celestial birthstones that bring unique astrological boons to their wearers. Wearing natural ruby or Manik, which is associated with the Sun, infuses boundless energy, passion, and courage. The ruby gem is the birthstone for July, and is associated with the zodiac sign of Leo. Wearing an original ruby is believed to invoke qualities of leadership, authority, and creativity, empowering the wearer in various aspects of life. Beyond its dynamic influence, ruby holds a profound significance in matters of the heart, symbolizing passion and love. For an infusion of focus and energy in your life, wear ruby embedded in a ring. Additionally, a natural ruby bracelet is believed to amplify passion and vitality, serving as a symbol of strength.
Rubies in Astrology
Pink sapphire is also said to represent the Sun, according to some astrological experts, while some also associate it with Jupiter. The zodiac sign for pink sapphires is Libra in Western astrology, and Leo in Vedic astrology, and it is considered the birthstone for September.
As far as love and relationships are considered, pink sapphire is believed to attract love and deepen existing connections, harnessing the energies of the Sun for an enriched emotional experience. Furthermore, the pink sapphire stone is thought to stimulate creativity and artistic expression, drawing inspiration from the powerful celestial forces of the Sun. To maximize advantages, wearing a pink sapphire necklace or pendant near the heart is thought to amplify sentiments of love and compassion. Alternatively, a pink sapphire bracelet functions not just as a fashionable adornment but is also believed to foster emotional equilibrium.
It's crucial to highlight that the use of gemstones for astrological purposes is a nuanced field. Therefore, individuals should seek guidance from certified astrologers or gemmologists who can recommend appropriate carat weights and types of stones, before employing gemstones in such contexts.
Conclusive Reflections
Concluding our exploration into the distinctions between ruby and pink sapphire, the choice between the fiery allure of ruby and the gentler tones of pink sapphire becomes a personal journey. Each gem carries its distinct significance, yet the paramount consideration is which one aligns best with expressing your individuality. Therefore, select the gem that suits your circumstances, taking into account factors such as carats within your budget, astrological considerations, and other relevant aspects.
