Lab Alexandrite Carat Weight Chart – Stag & Finch

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Lab Created Alexandrite

*Due to subtle differences in each gemstone, all carat weights are approximations

Rounds

Round Brilliant

5mm: 0.60ct
6mm: 1.00ct
6.5mm: 1.30ct
7mm: 1.60ct
7.5mm: 2.00ct
8mm: 2.40ct
9mm: 3.40ct
10mm: 4.70ct
11mm: 6.25ct
12mm: 8.10ct
13mm: 10.30ct
14mm: 12.90ct

Stormlight

5mm: 0.60ct
6mm: 1.00ct
6.5mm: 1.25ct
7mm: 1.50ct
7.5mm: 1.90ct
8mm: 2.30ct
9mm: 3.30ct
10mm: 4.50ct
11mm: 6.00ct
12mm: 7.70ct
13mm: 9.80ct
14mm: 12.30ct

Old European Cut (Antique OEC)

5mm: 0.60ct
6mm: 1.00ct
6.5mm: 1.30ct
7mm: 1.60ct
7.5mm: 2.00ct
8mm: 2.40ct
9mm: 3.40ct
10mm: 4.70ct
11mm: 6.30ct
12mm: 8.15ct
13mm: 10.30ct
14mm: 12.90ct

Squares & Cushions

Void Reaver

5mm: 0.70ct
6mm: 1.20ct
7mm: 1.90ct
8mm: 2.85ct
9mm: 4.00ct
10mm: 5.50ct
11mm: 7.40ct
12mm: 9.60ct
13mm: 12.20ct
14mm: 15.25ct

Asscher

5mm: 0.80ct
6mm: 1.40ct
7mm: 2.20ct
8mm: 3.25ct
9mm: 4.60ct
10mm: 6.40ct
11mm: 8.50ct
12mm: 11.00ct
13mm: 13.90ct
14mm: 17.40ct

Princess Finch

5mm: 0.75ct
6mm: 1.30ct
7mm: 2.00ct
8mm: 3.10ct
9mm: 4.40ct
10mm: 6.00ct
11mm: 8.00ct
12mm: 10.40ct
13mm: 13.20ct
14mm: 16.50ct

Nova

5mm: 0.65ct
6mm: 1.10ct
7mm: 1.80ct
8mm: 2.70ct
9mm: 3.80ct
10mm: 5.20ct
11mm: 7.00ct
12mm: 9.00ct
13mm: 11.50ct
14mm: 14.30ct

Old Mine Cut

5mm: 0.65ct
6mm: 1.15ct
7mm: 1.85ct
8mm: 2.80ct
9mm: 3.95ct
10mm: 5.45ct
11mm: 7.25ct
12mm: 9.40ct
13mm: 11.95ct
14mm: 14.90ct

Hexagons & Octagon

Cosmos

5mm: 0.75ct
6mm: 1.30ct
7mm: 2.00ct
8mm: 3.10ct
9mm: 4.40ct
10mm: 6.00ct
11mm: 8.00ct
12mm: 10.40ct
13mm: 13.20ct
14mm: 16.50ct

Step Cut Hex

5mm: 0.65ct
6mm: 1.10ct
7mm: 1.75ct
8mm: 2.65ct
9mm: 3.75ct
10mm: 5.15ct
11mm: 6.85ct
12mm: 8.90ct
13mm: 11.30ct
14mm: 14.10ct

Hidden Princess

5mm: 0.60ct
6mm: 1.00ct
7mm: 1.55ct
8mm: 2.30ct
9mm: 3.30ct
10mm: 4.50ct
11mm: 6.00ct
12mm: 7.75ct
13mm: 9.90ct
14mm: 12.30ct

Ovals

Omni Oval

7x5mm: 1.00ct
8x6mm: 1.65ct
9x7mm: 2.40ct
10x8mm: 3.60ct
11x8mm: 4.00ct
11x9mm: 4.70ct
12x9mm: 5.60ct
12x10mm: 6.00ct
14x10mm: 8.20ct

Antique Oval

7x5mm: 0.80ct
8x6mm: 1.70ct
9x7mm: 2.60ct
10x8mm: 3.75ct
11x8mm: 4.40ct
11x9mm: 5.00ct
12x9mm: 5.80ct
12x10mm: 6.50ct
14x10mm: 8.40ct

Rectangles

Framboise

7x5mm: 1.25ct
8x5mm: 1.70ct
8x6mm: 2.10ct
9x6mm: 2.50ct
9x7mm: 2.90ct
10x8mm: 4.20ct
11x8mm: 4.80ct
11x9mm: 5.70ct
12x9mm: 7.00ct
12x10mm: 7.60ct
14x10mm: 10.00ct
16x12mm: 16.60ct

Step Cut

7x5mm: 1.20ct
8x5mm: 1.30ct
8x6mm: 1.70ct
9x6mm: 2.15ct
9x7mm: 2.75ct
10x8mm: 4.00ct
11x8mm: 4.70ct
11x9mm: 5.40ct
12x9mm: 6.60ct
12x10mm: 7.10ct
14x10mm: 9.60ct
16x12mm: 15.75ct

Supernova

7x5mm: 1.00ct
7x6mm: 1.30ct
8x6mm: 1.75ct
9x7mm: 2.60ct
10x8mm: 3.80ct
11x8mm: 4.40ct
11x9mm: 5.10ct
12x9mm: 5.85ct
14x10mm: 8.40ct

Elongated Cushion (Antique EOMC)

7x5mm: 1.00ct
8x6mm: 1.70ct
9x7mm: 2.50ct
10x8mm: 3.50ct
11x8mm: 4.00ct
11x9mm: 4.90ct
12x9mm: 5.70ct
14x10mm: 8.10ct

Pears

Eden

7x5mm: 0.75ct
8x5mm: 0.90ct
8x6mm: 1.25ct
9x6mm: 1.40ct
9x7mm: 1.90ct
10x7mm: 2.00ct
10x8mm: 2.60ct
12x8mm: 3.30ct
13x9mm: 4.50ct
14x10mm: 5.60ct

Antique Pear

7x5mm: 0.70ct
7x6mm: 1.00ct
8x6mm: 1.20ct
9x6mm: 1.50ct
9x7mm: 1.75ct
10x7mm: 2.10ct
10x8mm: 2.50ct
12x8mm: 3.40ct
13x9mm: 4.65ct
14x10mm: 5.60ct

Marquise

Baroness

10x5mm: 1.00ct
12x6mm: 1.80ct
14x7mm: 2.80ct
16x8mm: 4.25ct

Dutch Marquise

10x5mm: 1.50ct
11x6mm: 2.20ct
12x6mm: 2.55ct
12x7mm: 3.20ct
14x7mm: 4.00ct
14x8mm: 4.90ct

Diamond Kite

10x5mm: 0.70ct
12x6mm: 1.15ct
14x7mm: 1.80ct

Kite

8x5mm: 0.60ct
10x6mm: 1.00ct
12x6mm: 1.25ct
12x7mm: 1.70ct
14x8mm: 2.75ct
16x8mm: 3.00ct

Trillions

Tachyon (Rounded)

5mm: 0.45ct
6mm: 0.75ct
7mm: 1.20ct
8mm: 1.75ct
9mm: 2.50ct
10mm: 3.45ct
11mm: 4.60ct
12mm: 6.00ct
13mm: 7.60ct
14mm: 9.45ct

Trilliant (Straight Edged)

5mm: 0.50ct
6mm: 0.80ct
7mm: 1.30ct
8mm: 2.00ct
9mm: 2.75ct
10mm: 3.75ct
11mm: 5.00ct
12mm: 6.50ct
13mm: 8.25ct
14mm: 10.30ct

Shop Lab Created Alexandrite

8251843084451, 8251841642659, 8251839873187, 8251838660771, 8213951348899, 8213949382819, 8213948924067, 8213948530851, 8213951938723, 8213950955683, 8213950038179, 8213951086755, 8213948596387, 8213952135331, 8213951611043, 8213949939875, 8213951479971, 8213950791843, 8213949120675, 8213949808803, 8213951840419, 8213950333091, 8213949579427, 8213950431395, 8213950628003, 8213948760227, 8213952037027, 8213950529699, 8213950234787, 8213950169251,

8653996785827, 8480760561827, 8239489745059, 8239490891939, 8239491547299, 8253615800483, 8208232186019, 8233774514339, 8208231956643, 8208232054947, 8239489024163, 8239488827555, 8208232120483, 8208231923875, 8208232022179, 8208232087715, 8233775202467, 8233775923363, 8208232382627, 8233777365155, 8208232415395, 8208232218787, 8208232349859, 8208232284323,

8405690581155, 8250830946467, 8250830979235, 8250831143075, 8250831077539, 8250831044771, 8250831110307, 8250830913699, 8250830848163, 8250830880931,

8501937438883, 8501877407907, 8501826060451, 8501771665571, 8501548908707, 8501544583331, 8501542781091, 8501536456867, 8501534392483, 8501533802659, 8501452865699, 8501401780387, 8501349122211, 8501276868771, 8501218476195, 8501094023331, 8214598353059, 8214598385827, 8214598516899, 8214598647971, 8214598254755, 8214598418595, 8214598779043, 8214598746275, 8214598615203, 8214598451363, 8214598287523, 8214598320291, 8214598680739, 8214598484131, 8214598090915,

8265570189475, 8265564946595, 8260825907363, 8260793696419, 8260792352931, 8260789534883, 8260789239971, 8260783833251, 8260780294307, 8260779835555, 8254556995747, 8254534287523, 8254529863843, 8254523867299, 8254521114787, 8254510891171, 8254509482147, 8254507909283, 8254478418083,

8573679075491,

8239491547299, 8239490891939, 8239489745059, 8239489024163, 8239488827555, 8233774514339, 8208232120483, 8208232087715, 8208232054947, 8208232022179, 8208231956643, 8208231923875,

8635137818787, 8578946662563, 8578943975587, 8578935226531, 8578931032227, 8262613860515, 8262611075235, 8219682111651, 8219683324067, 8219681980579, 8219681226915, 8219680833699, 8220951838883, 8219684044963, 8219684012195, 8219683913891, 8219683651747, 8219683291299, 8219682996387, 8219682472099, 8219682373795, 8219681751203, 8219681521827, 8219681456291, 8219681390755, 8219681357987, 8219681259683, 8219681063075, 8219681030307, 8219680997539, 8219680932003, 8219680964771, 8219684274339, 8219683618979, 8219684077731, 8219683061923, 8219682767011, 8219682209955, 8219682078883, 8219682013347, 8219681292451, 8220942237859, 8219683750051, 8220940730531, 8219683553443, 8219683520675, 8219683160227, 8219682603171, 8219682341027, 8220939714723,

8407888953507, 8216454529187, 8216454135971, 8216454168739, 8216454627491, 8216454332579, 8216454398115, 8216454660259, 8216454430883, 8217690472611, 8216454201507, 8216454463651, 8216454299811, 8216454365347, 8216454267043, 8216454561955, 8216456167587, 8216456069283, 8216456102051,

8184253022371, 8184253186211, 8184253120675, 8184252596387, 8184252629155, 8211182878883, 8211183141027, 8211182846115, 8211182715043, 8211183173795, 8211183206563, 8211183009955, 8211183042723, 8211182813347, 8184252498083, 8184252956835, 8184252891299, 8184252858531, 8184253153443, 8211182682275, 8553089990819, 8554717348003, 8554717937827, 8554718298275, 8554718724259, 8554718953635, 8554719183011, 8554719445155, 8554720690339,

8657657856163, 8648023244963, 8646976077987, 8614779879587, 8605325066403, 8548898439331, 8487196164259, 8413170925731, 8413159129251, 8262604456099, 8253595353251, 8233773924515, 8233773531299, 8233772089507, 8233769140387, 8233768550563, 8233767403683, 8208231366819, 8208231334051, 8208231301283, 8208231202979, 8208231170211, 8208231137443, 8208231104675, 8208231071907, 8208231039139, 8208231006371, 8208230973603, 8208230940835, 8208230908067, 8208231235747, 8208231268515, 8208230875299,

8553163751587, 8208231465123, 8208231497891, 8208231530659, 8208231596195, 8208231661731, 8253602693283, 8263489618083,

8403864748195, 8251885912227, 8251884667043, 8251883126947, 8251881816227, 8251879981219, 8251878604963, 8251877523619, 8251876442275, 8251874214051, 8251871985827, 8251864973475, 8251862876323, 8251860287651, 8251858747555, 8251855175843, 8251853832355, 8251852652707, 8251849572515, 8251847770275, 8251828142243, 8217676480675, 8217676415139, 8217676349603, 8217676021923, 8217675792547, 8217651904675, 8217651806371, 8217651642531, 8217651478691, 8217651314851, 8217651118243, 8217650954403, 8217650888867, 8217650692259, 8217650200739, 8217650069667, 8217649774755, 8217649578147, 8217649447075, 8217648988323, 8217648660643, 8217648070819, 8217647710371, 8217647448227, 8217647153315, 8217646727331, 8217646432419, 8217649316003, 8216720277667,

8262623035555, 8250830684323, 8250830651555, 8250830749859, 8250830717091, 8250830815395,

8501937438883, 8501877407907, 8501826060451, 8501771665571, 8501548908707, 8501544583331, 8501542781091, 8501536456867, 8501534392483, 8501533802659, 8501452865699, 8501401780387, 8501349122211, 8501276868771, 8501218476195, 8501094023331, 8407888953507, 8405690581155, 8403864748195, 8262623035555, 8251885912227, 8251884667043, 8251883126947, 8251881816227, 8251879981219, 8251878604963, 8251877523619, 8251876442275, 8251874214051, 8251871985827, 8251864973475, 8251862876323, 8251860287651, 8251858747555, 8251855175843, 8251853832355, 8251852652707, 8251849572515, 8251847770275, 8251843084451, 8251841642659, 8251839873187, 8251838660771, 8251830730915, 8251828142243, 8251825553571, 8250831143075, 8250831110307, 8250831077539, 8250831044771,

8653996785827, 8480760561827, 8253615800483, 8233777365155, 8233775923363, 8233775202467, 8208232415395, 8208232382627, 8208232349859, 8208232284323, 8208232218787, 8208232186019,

8216455577763, 8216455774371, 8216455544995, 8216455643299, 8216455676067, 8216455741603,

8221013082275, 8221013803171, 8602205651107, 8573679075491, 8660206747811, 8659484704931, 8657657856163, 8654060716195, 8654059896995, 8654032142499, 8654030635171, 8654029881507, 8653996785827, 8653974175907, 8653968244899, 8652933988515, 8652928090275, 8652923830435, 8652862226595, 8652848890019, 8652840829091, 8648023244963, 8646976077987, 8643429466275, 8643397779619, 8643387850915, 8643350528163, 8640968786083, 8640962691235, 8635219738787, 8635137818787, 8634971783331, 8630860349603, 8628727677091, 8627707379875, 8627705315491, 8627701547171, 8627701022883, 8627700400291, 8627699187875, 8627698663587, 8627696992419, 8627696140451, 8627695976611, 8627695648931, 8627695321251, 8627695026339, 8627687522467, 8627536265379, 8627493732515,

8183484022947, 8183484219555, 8183484678307, 8183484350627, 8183484547235, 8183487365283, 8183484907683, 8183484186787, 8183484874915, 8183487103139, 8183486709923, 8183485661347, 8183487070371, 8183486480547, 8183485300899, 8183486382243, 8183485989027, 8183484285091, 8183486775459, 8183484809379, 8208231301283, 8183487692963, 8183488020643, 8233766420643, 8233765044387, 8233764323491, 8233763635363, 8233761800355, 8233757409443, 8183486054563, 8183485759651, 8183485792419, 8183488086179, 8183486939299, 8183484743843, 8183484514467, 8183486349475, 8183485038755, 8183485071523, 8183486120099, 8183487004835, 8183486677155, 8183486873763, 8183486546083, 8183486152867, 8183487955107, 8183486185635, 8183488217251, 8183487824035, 8183487135907,

8660206747811, 8659484704931, 8657657856163, 8648023244963, 8646976077987, 8640968786083, 8635219738787, 8630860349603, 8614779879587, 8611028238499, 8605325066403, 8569325650083, 8565363769507, 8559965995171, 8553163751587, 8548898439331, 8548781326499, 8535828791459, 8533183660195, 8533058125987, 8510703304867, 8510169874595, 8505376112803, 8504224383139, 8504024531107, 8502125691043, 8487307051171, 8487208911011, 8487196164259, 8486573047971, 8486464913571, 8413170925731, 8413159129251, 8397093470371, 8264792866979, 8264719335587, 8262604456099, 8263489618083, 8262621364387, 8262608978083, 8183484514467, 8254380310691, 8253602693283, 8253595353251, 8208230940835, 8183484350627, 8208231661731, 8208231596195, 8208231497891, 8183487365283,

8554719183011, 8554717348003, 8553089990819, 8211183206563,

8213855207587, 8251878604963, 8403864748195, 8213951348899, 8214598254755, 8214598647971, 8251847770275, 8251849572515, 8501094023331, 8501401780387, 8501452865699, 8501533802659, 8501542781091, 8501544583331, 8501548908707, 8501771665571, 8501534392483, 8501877407907, 8213949120675, 8213950431395, 8213951479971, 8213951840419, 8554718953635, 8211182878883, 8184252498083, 8216455577763, 8216455774371, 8216455544995, 8216455643299, 8216455676067, 8216455741603,

8211182846115, 8216454889635, 8216454955171, 8251825553571, 8217691848867, 8216456396963, 8216455413923, 8216456626339, 8216455512227, 8216455217315, 8216455315619, 8216456462499, 8216454987939, 8216455086243, 8216454791331, 8216456298659, 8216454922403, 8216455053475, 8216455020707, 8216454725795, 8216454758563, 8216456659107, 8216455348387, 8216456429731, 8216454856867, 8216456691875, 8216456560803, 8216454693027, 8216456528035, 8216456757411, 8216456200355, 8216456233123,

8211182715043, 8213952135331, 8213948596387, 8213950955683, 8211182813347, 8251830730915, 8251838660771,

8554719445155, 8184253186211, 8213948530851, 8407888953507, 8217690472611, 8216454529187, 8216454135971, 8216454168739, 8216454627491, 8216454332579, 8216454398115, 8216454660259, 8216454430883, 8216454201507, 8216454463651, 8216454299811, 8216454365347, 8216454267043, 8216454561955, 8216456167587, 8216456069283, 8216456102051,

8654060716195, 8654059896995, 8654032142499, 8654030635171, 8654029881507, 8653974175907, 8627701547171, 8627701022883, 8627700400291, 8627699187875, 8627698663587, 8627696992419, 8627696140451, 8627695976611, 8627695648931, 8627695321251, 8627695026339, 8627687522467, 8623786393763, 8605552967843, 8605547823267, 8605544186019, 8605534879907, 8605529833635, 8605527113891, 8605514432675, 8605310943395, 8590987165859, 8590979924131, 8585495314595, 8585487843491, 8253633855651, 8253633462435, 8239491448995, 8239490498723, 8239489548451, 8239489188003, 8233796173987, 8233793978531, 8233788473507, 8233785622691, 8208232317091, 8219678867619, 8208232251555, 8219671036067, 8219671396515, 8219671462051, 8219671560355, 8219671068835, 8219671363747,

8184253120675, 8251838660771, 8216455970979, 8216455938211, 8216455905443, 8216455839907, 8216455807139, 8213951938723, 8213950333091,

8184253022371, 8211182682275,

8599902552227, 8487194886307, 8217731301539, 8217729859747, 8217728745635, 8233803317411, 8233802760355, 8233792929955, 8233790865571, 8233789653155, 8233781395619, 8219624767651, 8219624407203, 8219623751843, 8219611037859, 8219614838947, 8219612840099, 8219611627683,

8211182846115, 8554718724259, 8250831110307, 8405690581155, 8262623035555, 8250830880931, 8250830848163, 8250830913699, 8250831077539, 8250831044771, 8250831143075, 8250830979235, 8250830946467, 8250830684323, 8250830651555, 8250830717091, 8250830749859, 8250830815395, 8184252956835,

8501826060451, 8184252629155, 8184252596387,

8623815000227, 8623800909987, 8263492337827, 8253602922659, 8219662614691, 8219662385315, 8219662155939, 8219661893795,

8554720690339, 8554718298275, 8211183009955, 8211183042723, 8213856026787, 8213856256163, 8213949382819, 8213949579427, 8214598484131, 8216456069283, 8216456102051, 8216719687843, 8216719720611, 8216719786147, 8217647448227, 8217648070819, 8217648988323, 8251841642659, 8251862876323, 8501218476195,

8554718724259, 8184253186211, 8211183141027, 8211183173795, 8184253153443, 8215777116323, 8215776919715, 8215777181859, 8215777444003, 8215777476771, 8215776952483, 8215776886947, 8215777018019, 8215777050787, 8215777083555, 8215777280163, 8215776821411, 8215777214627, 8215776788643, 8215776755875, 8215776985251,

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