Untreated indigo blue sapphire 1.52, oval cut, certificate included. This dark blue sapphire shows two shades of blue, one more vivid in the center of the gem and darker at the ends, its behavior under light is good, both in incandescent light and under natural light, it is a dark blue sapphire full of sparkles and life. Its elongated oval cut will be very beautiful in any piece of jewelry. This sapphire is ideal for those looking for untreated gemstones of any kind at a good price.
Untreated indigo blue sapphire 1.52, oval cut, certificate included. This dark blue sapphire shows two shades of blue, one more vivid in the center of the gem and darker at the ends, its behavior under light is good, both in incandescent light and under natural light, it is a dark blue sapphire full of sparkles and life. Its elongated oval cut will be very beautiful in any piece of jewelry. This sapphire is ideal for those looking for untreated gemstones of any kind at a good price.
Untreated indigo blue sapphire 1.52, oval cut, certificate included. This dark blue sapphire shows two shades of blue, one more vivid in the center of the gem and darker at the ends, its behavior under light is good, both in incandescent light and under natural light, it is a dark blue sapphire full of sparkles and life. Its elongated oval cut will be very beautiful in any piece of jewelry. This sapphire is ideal for those looking for untreated gemstones of any kind at a good price.
Untreated indigo blue sapphire 1.52, oval cut, certificate included. This dark blue sapphire shows two shades of blue, one more vivid in the center of the gem and darker at the ends, its behavior under light is good, both in incandescent light and under natural light, it is a dark blue sapphire full of sparkles and life. Its elongated oval cut will be very beautiful in any piece of jewelry. This sapphire is ideal for those looking for untreated gemstones of any kind at a good price.
Untreated indigo blue sapphire 1.52, oval cut, certificate included. This dark blue sapphire shows two shades of blue, one more vivid in the center of the gem and darker at the ends, its behavior under light is good, both in incandescent light and under natural light, it is a dark blue sapphire full of sparkles and life. Its elongated oval cut will be very beautiful in any piece of jewelry. This sapphire is ideal for those looking for untreated gemstones of any kind at a good price.
Untreated indigo blue sapphire 1.52, oval cut, certificate included. This dark blue sapphire shows two shades of blue, one more vivid in the center of the gem and darker at the ends, its behavior under light is good, both in incandescent light and under natural light, it is a dark blue sapphire full of sparkles and life. Its elongated oval cut will be very beautiful in any piece of jewelry. This sapphire is ideal for those looking for untreated gemstones of any kind at a good price.
Untreated indigo blue sapphire 1.52, oval cut, certificate included. This dark blue sapphire shows two shades of blue, one more vivid in the center of the gem and darker at the ends, its behavior under light is good, both in incandescent light and under natural light, it is a dark blue sapphire full of sparkles and life. Its elongated oval cut will be very beautiful in any piece of jewelry. This sapphire is ideal for those looking for untreated gemstones of any kind at a good price.
Untreated indigo blue sapphire 1.52, oval cut, certificate included. This dark blue sapphire shows two shades of blue, one more vivid in the center of the gem and darker at the ends, its behavior under light is good, both in incandescent light and under natural light, it is a dark blue sapphire full of sparkles and life. Its elongated oval cut will be very beautiful in any piece of jewelry. This sapphire is ideal for those looking for untreated gemstones of any kind at a good price.
Untreated indigo blue sapphire 1.52, oval cut, certificate included. This dark blue sapphire shows two shades of blue, one more vivid in the center of the gem and darker at the ends, its behavior under light is good, both in incandescent light and under natural light, it is a dark blue sapphire full of sparkles and life. Its elongated oval cut will be very beautiful in any piece of jewelry. This sapphire is ideal for those looking for untreated gemstones of any kind at a good price.
Untreated indigo blue sapphire 1.52, oval cut, certificate included. This dark blue sapphire shows two shades of blue, one more vivid in the center of the gem and darker at the ends, its behavior under light is good, both in incandescent light and under natural light, it is a dark blue sapphire full of sparkles and life. Its elongated oval cut will be very beautiful in any piece of jewelry. This sapphire is ideal for those looking for untreated gemstones of any kind at a good price.

Untreated indigo blue sapphire 1.52 ct oval with certificate

Natural 1.52 ct sapphire from Sri Lanka, untreated and full of life. Deep blue with visible silk and angular zoning. Certified and ready for bespoke jewelry.

 

$1,100.00
$1,100.00
Tax included.
Gemstone Description
This 1.52 ct untreated sapphire displays a rich, dark blue color with layered depth. Its elongated oval shape enhances the brilliance that emanates from the center, where a more vivid tone contrasts subtly with the darker edges. Despite its dark tone (7), the gem sparkles beautifully under both daylight and artificial lighting, a testament to its lively internal structure.

Angular growth zoning and fine clouds give this gem a soft, natural texture, complemented by delicate rutile silk—hallmarks of its untreated and unheated origin. Its good cut and slightly included clarity make it a valuable choice for collectors and bespoke jewelers looking for authenticity, character, and affordability in natural sapphires.

Whether for a statement ring or a custom pendant, this sapphire offers elegance with geological honesty.
Specifications
WEIGHT : 1.52 ct
SIZE : 7.39 * 5.12 * 4.44 mm
SHAPE : Oval
COLOR : 22. (B) Blue
TONE : 7. Dark
SATURATION : 3. Very Slightly Brownish / Grayish
CLARITY GRADE : Slight
CUT GRADE : Good
TREATMENT : Untreated - Unheated 
HARDNESS : 9
Inclusions type : Angular growth zoning with fine texture clouds. Silk Rutile.
Birthstone
Sapphire is the birthstone for September and the traditional gift for the 5th and 45th wedding anniversaries. Symbolizing wisdom, loyalty, and nobility, blue sapphires have been cherished throughout history. According to Vedic astrology, blue sapphire corresponds to Saturn and is considered a stone of discipline and clarity.

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