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456STONES | NATURAL - BLUE SAPPHIRESTYLE #: SA-[SIZE CODE]-SQP-BL-[QUALITY]SIZE CODE MM SIZE A AA0150 1.50mm $13.50 $16.650175 1.75mm $20.25 $25.050200 2.00mm $22.50 $27.300225 2.25mm $31.05 $37.800250 2.50mm $45.00 $54.450275 2.75mm $57.60 $69.600300 3.00mm $75.00 $96.000325 3.25mm $93.75 $120.000350 3.50mm $147.90 $182.700375 3.75mm $188.70 $233.100400 4.00mm $225.75 $277.35STYLE #: SA-[SIZE CODE]-OCE-BL-[QUALITY]SIZE CODE MM SIZE A AA0503 5x3mm $75.00 $102.000604 6x4mm $191.25 $405.000705 7x5mm $630.15 $1,152.000806 8x6mm $1,708.95 -STYLE #: SA-[SIZE CODE]-SQS-BL-[QUALITY]SIZE CODE MM SIZE A AA0150 1.50mm $6.30 -0175 1.75mm $18.00 -0200 2.00mm $21.60 -0225 2.25mm $27.00 -0250 2.50mm $39.90 -0275 2.75mm $51.30 -0300 3.00mm $69.00 $89.850325 3.25mm $96.00 $124.950350 3.50mm $146.40 $199.050375 3.75mm $157.65 $214.350400 4.00mm $208.80 $289.05EMERALDA AA A AAA AASTYLE #: SA-[SIZE CODE]-HTF-BL-[QUALITY]SIZE CODE MM SIZE C A AA0300 3.00mm - $41.40 $40.800400 4.00mm $57.66 $86.55 $183.600500 5.00mm $129.99 $181.65 $420.750600 6.00mm - $449.85 $960.00HEARTC A AACARE & HANDLINGNormal care; well suited for everyday wear. May be cleaned using commercially available jewelry cleaners or warm, soapy water, rinse with warm water and dry with a soft clean cloth. Avoid situations that involve sharp harsh blows to the jewelry that may fracture or chip the stone or contact with rough surfaces or abrasive materials that may scratch the stone. SPECIES: CorundumHARDNESS: 9TOUGHNESS: ExcellentENHANCEMENT: HREFRACTIVE INDEX: 1.762-1.77OPTIC CHARACTER: DRSPECIFIC GRAVITY: 4.0PHENOMENA: Chatoyancy, Asterism (Very rare)CLARITY TYPE: IIQUALITY:C: Dark navy blue, opaqueA: Navy blue with slight gray undertones, low brilliance AA: Medium navy to royal blue, medium brillianceREACTIONSUltrasonic: Usually safeSteamer: Usually safeHeat: Usually safe; may change color and cause fracturesChemicals: Boron, boric acid powderSOURCES: Australia, China, Thailand, Sri Lanka, Madagascar, East Africa and North AmericaHISTORY: Sapphires can be found in many different colors, but the most well-known color is blue. They are known for their durability and hardness. With a strong presence throughout history, they have been associated with Greek gods, ancient Egyptians and biblical stories. It also is shown in many religions in the past and modern day. People believe they help during life changes and with love and commitment. For information on additional sizes and shapes of gemstones offered, please contact ourGemstone Department at 1-800-354-9833 or visit QGold.com for our user friendly stone finder.NATURAL STONES Blue SapphirePRINCESS SQUARE STEP-CUT