- Stone8
- Reports3
-cushion-grey-spinel-1.4000-cts-k28546-1.jpg?d=200x200&v=20260730231124)
-cushion-grey-spinel-1.4000-cts-k28546-1.jpg?d=200x200&v=20260730231124)






1.40 Ct. Red Spinel from Burma (Myanmar)
This loose stone ships by Sep 19
Item ID: | K28546 |
|---|---|
Dimensions (MM): help | Length: 7.43 Width: 5.91 Height: 3.99 |
Weight: | 1.40 Ct. |
Color: help | Red |
Color intensity: help | Intense |
Clarity: help | Very Slightly Included |
Shape: help | Cushion |
Cut: | Mixed Brilliant Cut |
Cutting style: | Faceted |
Enhancements: help | No Enhancement |
Origin: help | Burma (Myanmar) |
Per carat price: help | $200 |
This one point four zero carat cushion shaped red spinel measures seven point four three by five point nine one by three point nine nine millimeters, its proportions yielding an overall depth of approximately sixty percent, a ratio that is ideally suited to the mixed brilliant cutting style employed. The cutter has combined a brilliant facet arrangement on the crown with calibrated step influenced facets on the pavilion to create controlled light return and scintillation across the table and pavilion facets. The gem is faceted, transparent, and finished to an excellent polish, so facet junctions are crisp and facet planes present consistent, reflective surfaces that maximize the inherent luster of spinel. Clarity is graded as very slightly included when examined at eye level, meaning minor, well healed inclusions are present but they do not interfere with transparency or light transmission, and they are unlikely to be visible once set in a fine mounting. The gemstone is untreated with no enhancements, and the documented origin is Burma Myanmar, provenance that contributes to its desirability among collectors who prize natural color and origin verified material.
Optical and physical properties are important when evaluating this piece for both daily wear and long term preservation, the red spinel being singly refractive and isotropic eliminates pleochroism, so the rich, intense color reads consistently from multiple angles. Spinel has a refractive index in the range expected for gem spinel and a specific gravity around three point six zero, providing a substantial feel relative to its size. Mohs hardness of eight provides robust resistance to abrasion, and combined with excellent polish the surface will retain its finish with normal wear, provided the mounting offers reasonable protection to the girdle and pavilion edges. The mixed brilliant cut produces a balance between brilliance and color saturation, the crown facets disperse light and the pavilion facets maintain depth of tone, resulting in lively face up presence even at its modest carat weight. Because the stone is natural and untreated, the color saturation described as intense reflects intrinsic chromium and iron chemistry rather than dye or heating, adding both market and collector value.
When considering complementary gemstones for design and setting, the Fire Opal is a natural companion to this red spinel, Fire Opal being a variety of opal characterized by warm body colors that range from golden orange to vivid red and orange, sometimes exhibiting subtle internal fire without the classic play of color associated with precious opal. In a two stone or cluster composition, a warm toned Fire Opal can echo the spinel color and enhance overall warmth, while a cooler accent stone such as a white diamond or a colorless topaz can introduce contrast and increase perceived saturation in the spinel. From a lapidary and setting perspective, pairing an isotropic, mechanically robust spinel with a relatively softer opal requires design decisions that protect the opal from shocks and chemicals, for example creating a bezel or halo setting for the opal while allowing the spinel to be more exposed for maximum light entry. The technical synergy between a mixed brilliant cut spinel and a Fire Opal allows a jeweler to compose a piece that is both visually dynamic and structurally sound.
This red spinel from The Natural Gemstone Company is an excellent candidate to become a generational heirloom, several factors support that transition from a single possession into family patrimony. First, the combination of natural intense color, no enhancement, Burmese origin and precise cutting produces intrinsic rarity and desirability, characteristics that appreciate over time among informed collectors. Second, the stone s physical durability and resistance to wear make it suitable for everyday heirloom pieces such as a signet ring, pendant or an engagement style ring that will be passed down. Third, to ensure longevity and provenance it is advisable to document the gem with a laboratory or company certificate, to engrave or hallmark the mounting with provenance notes where possible, and to retain a record of purchase and any appraisal data. Practical craft recommendations include choosing a protective setting such as a low profile bezel for active wear, securing the girdle with even prongs if a more open mounting is desired, and avoiding overly deep recuts that would sacrifice weight and provenance. Routine care involves gentle cleaning with mild soap and water and avoiding harsh acids and ultrasonic cleaners if paired with opal, periodic professional inspections of prongs and settings, and formal reappraisals at multi year intervals. When these technical and custodial recommendations are followed, this one point four zero carat Burmese cushion red spinel can function as a durable, documented, and desirable object of family heritage that conveys both emotional and material value across generations.




-cushion-grey-spinel-1.4000-cts-k28546-1.jpg?d=750x750&s=ngc&v=20260730231124)
















