12.43 ct Star Oval Ruby, Gübelin + IGI, Burma Unheated

12.43 ct Ruby, star oval cut, from Burma. Unheated: the colour is as the stone formed, with no heat treatment. Burma (Myanmar) has set the standard for fine rubies and sapphires for centuries. Gübelin report Gübelin# 11097221; IGI# M2D28201. Measurements: 15.45 × 10.95 × 6.80 mm. Our grading: gem quality vivid red color, fine star. Stock number CS-0416. The video on this page was filmed in our office, unedited and unfiltered. Approved trade buyers can sign in on this page for pricing, or WhatsApp or email us about this stone. Viewings by appointment in Toronto, Hong Kong, Bangkok and Dubai.

“Vivid” in its colour grade marks the most saturated level of colour. Its laboratory report is from Gübelin, the Swiss laboratory known for its origin reports on fine coloured stones. Its length-to-width ratio is 1.41. A statement stone for a signature piece, or for a collection.

More like this: Star Rubies · Burma Rubies · Unheated Rubies · Rubies · Unheated Gemstones · Stone search

Similar stones: 10.56 ct Oval Ruby Pair (5.55 + 5.01 ct), GIA, Mozambique Heated · 10.87 ct Oval Cabochon Ruby, GRS, Burma Unheated · 11.05 ct Round Ruby Layout (36 pcs), Burma Heated · 11.44 ct Oval Cabochon Ruby, GRS, Burma Unheated · 12.54 ct Oval Cabochon Ruby, Burma Unheated · 13.18 ct Oval Ruby, GIA, Unheated · 13.83 ct Oval Ruby, GIA, Mozambique Heated · 14.17 ct Oval Ruby, GIA, Mozambique Heated

Further reading: Rubies, Sapphires and Emeralds: Origin, Treatment and Value · A Gemstone Encyclopedia for Trade Buyers