Featured in this lot is this rare natural alexandrite and diamond, 18k yellow gold ring with SGL and GIA paperwork. The ring features an 18k yellow gold constructed opulent ring with a total weight of 3.49g and an 'Orianne' hallmark with an 18k gold stamp next to it. The center stone shows an octagonal step cut natural alexandrite gemstone with measurements of 7.42mm x 4.69mm x 3.79mm and yellowish green, changing to brown-orange color; it is transparent and has a total weight of 1.45 carats. The center stone is decorated with two princess cut diamonds and 56 round brilliant cut diamonds decorating a unique vintage setting with pave shoulders; the diamonds have coloration of H – I, average clarity of VS2 - SI2, and a total weight of 0.77 carats. GIA (Gemological Institute of America) Alexandrite Grading Report#: 6213746509. The piece comes complete with SGL (Superior Gemological Laboratory, a GIA certified lab SGL Appraisal Number#: SGLR1074083) report and appraisal, confirming the above info and giving a total value of $13,610.00; and the access code is D6317. The ring size is US 7. The first photo represents the same ring in its two states of color change, only one ring is sold in this lot.