1.51 ct Natural Sapphire, Yellowish-Bluish-Green Pentagon Step Cut, GFCO Report
1.51 ct Natural Sapphire, Yellowish-Bluish-Green Pentagon Step Cut, GFCO Report
SKU:BNS159
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This exact 1.51 ct natural green sapphire from Madagascar has a fancy pentagon outline and broad step-cut reflections. It is supplied with its corresponding GFCO report and offers an architectural centre-stone option for a custom ring or pendant. It is supplied with GFCO Gem Lab Report AXP18507.
Certification & Laboratory Report
This exact item is accompanied by GFCO Gem Lab Report AXP18507, dated 2026-06-26. The report image in the gallery belongs to this item, and the physical report will be supplied with it. Treatment disclosure: Standard Heat.
Stone Details
- Material: Natural Sapphire
- Natural or lab-grown: Natural
- Weight: 1.51 ct
- Measurements: 8.88 × 6.54 × 3.64 mm
- Shape: Pentagon
- Cut: Step & Step
- Color: Yellowish-Bluish-Green; soft yellowish-green to bluish-green appearance
- Clarity: Slightly included by merchant visual assessment; no laboratory clarity grade stated
- Certification: GFCO Gem Lab report included
- Laboratory: GFCO Gem Lab
- Report number: AXP18507
- Report date: 2026-06-26
- Physical report included: Yes
- Treatment: Standard Heat
- Laboratory geographic origin: Madagascar
- Faceting location: Thailand
- SKU: BNS159
Appearance & Cutting
GFCO records Yellowish-Bluish-Green color, Pentagon shape and Step & Step cutting. The balance of yellowish green, bluish green and deeper teal-green edges can change with the viewing angle.
Clarity & Setting
The sapphire appears slightly included by merchant visual assessment; GFCO does not state a clarity grade. A jeweler should use the exact 8.88 × 6.54 × 3.64 mm measurements and review the complete gallery when planning prong placement or a custom bezel.
Photos & Videos
All approved photographs and the video show this exact sapphire. Its green color balance, inclusions and step reflections can vary with lighting, angle, surroundings and screen settings; please review the complete gallery.
Treatment & Origin
GFCO Report AXP18507 identifies this exact natural green sapphire as natural corundum from Madagascar, with Yellowish-Bluish-Green color, Pentagon shape, Step & Step cutting and Standard Heat treatment. The sapphire was faceted at our gemstone-cutting facility in Bangkok, Thailand.
About Brahma Diam
Brahma Diam works directly with loose diamonds and gemstones through gemstone cutting operations in Bangkok and diamond cutting operations in Surat. We also assist with exotic gem sourcing, ruby, sapphire and emerald sourcing, fancy-color diamond melee, calibrated fancy cuts and custom cutting for specialist jewelry projects.
Shipping
Free standard shipping is included, with delivery typically estimated at about two weeks after dispatch. Customs processing and remote destinations can take longer; paid express shipping may be arranged on request. In-stock items normally dispatch within 2-3 business days.
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