1.5 Carat Round Natural Diamonds
ROUND 1.52 cts.
Sparkle Factor: 71 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: Faint Blue
Diamond ID: 78331353
ROUND 1.50 cts.
Sparkle Factor: 62 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: Strong Blue
Diamond ID: 70526047
ROUND 1.50 cts.
Sparkle Factor: 73 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 70894089
ROUND 1.60 cts.
Sparkle Factor: 62 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: Strong Blue
Diamond ID: 70930640
ROUND 1.50 cts.
Sparkle Factor: 71 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 78823698
ROUND 1.50 cts.
Sparkle Factor: 74 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Very Good
Symmetry: Very Good
Fluorescence: None
Diamond ID: 70276245
ROUND 1.50 cts.
Sparkle Factor: 71 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Good
Polish: Very Good
Symmetry: Excellent
Fluorescence: None
Diamond ID: 70944766
ROUND 1.50 cts.
Sparkle Factor: 71 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 74371499
ROUND 1.52 cts.
Sparkle Factor: 71 %
Colour: I - Low White
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Excellent
Fluorescence: Faint Blue
Diamond ID: 78638079
ROUND 1.52 cts.
Sparkle Factor: 67 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: Faint Blue
Diamond ID: 73178181
ROUND 1.69 cts.
Sparkle Factor: 75 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 79676187
ROUND 1.50 cts.
Sparkle Factor: 73 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 79328839
ROUND 1.52 cts.
Sparkle Factor: 63 %
Colour: H - White
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Very Good
Symmetry: Excellent
Fluorescence: Strong Blue
Diamond ID: 74234656
ROUND 1.53 cts.
Sparkle Factor: 75 %
Colour: I - Low White
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 70303229
ROUND 1.50 cts.
Sparkle Factor: 69 %
Colour: I - Low White
Clarity: SI2 - Slight Marks
Cut: Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: Faint Blue
Diamond ID: 70807251
ROUND 1.50 cts.
Sparkle Factor: 80 %
Colour: I - Low White
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 70499601
ROUND 1.50 cts.
Sparkle Factor: 76 %
Colour: I - Low White
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Very Good
Symmetry: Excellent
Fluorescence: None
Diamond ID: 71759825
ROUND 1.50 cts.
Sparkle Factor: 73 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Very Good
Symmetry: Excellent
Fluorescence: None
Diamond ID: 78315905
ROUND 1.50 cts.
Sparkle Factor: 75 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 78448896
ROUND 1.51 cts.
Sparkle Factor: 71 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: Faint Blue
Diamond ID: 74541493
ROUND 1.51 cts.
Sparkle Factor: 73 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 76099051
ROUND 1.50 cts.
Sparkle Factor: 72 %
Colour: J - Slightly Tinted
Clarity: SI1 - Slight Marks
Cut: Good
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 78406835
ROUND 1.51 cts.
Sparkle Factor: 76 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 70268699
ROUND 1.50 cts.
Sparkle Factor: 66 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: Strong Blue
Diamond ID: 71003510
ROUND 1.52 cts.
Sparkle Factor: 72 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Very Good
Symmetry: Very Good
Fluorescence: None
Diamond ID: 70499566
ROUND 1.50 cts.
Sparkle Factor: 72 %
Colour: H - White
Clarity: SI2 - Slight Marks
Cut: Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 70989437
ROUND 1.53 cts.
Sparkle Factor: 74 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 71531877
ROUND 1.56 cts.
Sparkle Factor: 66 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: Strong Blue
Diamond ID: 70268650
ROUND 1.50 cts.
Sparkle Factor: 78 %
Colour: I - Low White
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 70504480
ROUND 1.50 cts.
Sparkle Factor: 69 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Excellent
Fluorescence: Faint Blue
Diamond ID: 78603421
ROUND 1.50 cts.
Sparkle Factor: 71 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: Medium Blue
Diamond ID: 70499699
ROUND 1.50 cts.
Sparkle Factor: 78 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 71075533
ROUND 1.51 cts.
Sparkle Factor: 73 %
Colour: I - Low White
Clarity: SI2 - Slight Marks
Cut: Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 71382686
ROUND 1.50 cts.
Sparkle Factor: 73 %
Colour: G - Very White
Clarity: SI2 - Slight Marks
Cut: Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 79324625
ROUND 1.50 cts.
Sparkle Factor: 61 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Excellent
Fluorescence: Strong Blue
Diamond ID: 77191870
ROUND 1.61 cts.
Sparkle Factor: 75 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 75220899
ROUND 1.54 cts.
Sparkle Factor: 75 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 70345751
ROUND 1.51 cts.
Sparkle Factor: 73 %
Colour: J - Slightly Tinted
Clarity: SI1 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: Medium Blue
Diamond ID: 70773504
ROUND 1.50 cts.
Sparkle Factor: 70 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: Faint Blue
Diamond ID: 71436992
ROUND 1.50 cts.
Sparkle Factor: 75 %
Colour: H - White
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 79324954
ROUND 1.50 cts.
Sparkle Factor: 73 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 71816665
ROUND 1.51 cts.
Sparkle Factor: 67 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: Faint Blue
Diamond ID: 79330288
ROUND 1.50 cts.
Sparkle Factor: 64 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Very Good
Fluorescence: Strong Blue
Diamond ID: 71859862
ROUND 1.50 cts.
Sparkle Factor: 75 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 71465612
ROUND 1.51 cts.
Sparkle Factor: 74 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 71795091
ROUND 1.50 cts.
Sparkle Factor: 73 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 77562654
ROUND 1.51 cts.
Sparkle Factor: 66 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: Strong Blue
Diamond ID: 72113248
ROUND 1.62 cts.
Sparkle Factor: 75 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 71826766
ROUND 1.51 cts.
Sparkle Factor: 57 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Good
Polish: Very Good
Symmetry: Very Good
Fluorescence: Strong Blue
Diamond ID: 70459449
ROUND 1.51 cts.
Sparkle Factor: 71 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 73355769
ROUND 1.50 cts.
Sparkle Factor: 74 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 71497920
ROUND 1.52 cts.
Sparkle Factor: 64 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: Medium Blue
Diamond ID: 70475444
ROUND 1.51 cts.
Sparkle Factor: 76 %
Colour: I - Low White
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 70499608
ROUND 1.50 cts.
Sparkle Factor: 74 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: Faint Blue
Diamond ID: 70499482
ROUND 1.50 cts.
Sparkle Factor: 62 %
Colour: I - Low White
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Very Good
Symmetry: Very Good
Fluorescence: Strong Blue
Diamond ID: 71359376
ROUND 1.50 cts.
Sparkle Factor: 69 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Very Good
Fluorescence: Faint Blue
Diamond ID: 78339305
ROUND 1.50 cts.
Sparkle Factor: 62 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Very Good
Symmetry: Good
Fluorescence: Medium Blue
Diamond ID: 70476564
ROUND 1.52 cts.
Sparkle Factor: 79 %
Colour: H - White
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 76761348
ROUND 1.50 cts.
Sparkle Factor: 71 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Very Good
Polish: Excellent
Symmetry: Very Good
Fluorescence: None
Diamond ID: 79332087
ROUND 1.51 cts.
Sparkle Factor: 78 %
Colour: J - Slightly Tinted
Clarity: SI2 - Slight Marks
Cut: Excellent
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Diamond ID: 70268482
1.5 carat round diamonds: what to expect
A 1.5 carat diamond is a confident step up from one carat, large enough to read clearly as a statement stone. It looks about 14% wider than a 1 carat stone of the same shape and shows around 31% more surface from above, even though it weighs half as much again.
How big is a 1.5 carat round diamond?
A 1.5 carat round diamond typically measures about 7.3 mm across, based on the stones in our stock today. Carat measures weight, not size, so cut and proportions affect how big a stone looks.
Choosing a 1.5 carat round diamond
Cut grade matters most in a round: choose Excellent (GIA) or Ideal/Excellent (IGI) for the most sparkle. Colour and inclusions start to show more at this size, so G or better and VS2 or better are worth considering, particularly in step cuts.
1.5 carat round diamond prices
Prices step up again at 1.50 carats, so a stone between 1.50 and 1.60 gives the look of a "carat and a half" for the least premium.
Natural or lab grown?
A natural diamond is formed over billions of years and each one is rare; many buyers value that origin. A lab grown diamond of the same grades costs far less. Today the lowest priced 1.5 carat round diamond in our stock is $3,239 natural, against $603 lab grown. Compare 1.5 carat round lab grown diamonds.
Other sizes
Compare round natural diamonds at 1 carat, 2 carat, 3 carat or 5 carat.
Setting your diamond
Every diamond here can be set in an engagement ring, pendant or earrings made to order in our Bourton-on-the-Water workshop, hallmarked in the UK. Browse engagement rings or design your own. If the stone you want is not listed, our team can source it for you.
Your questions answered
How big is a 1.5 carat round diamond?
A 1.5 carat round diamond typically measures about 7.3 mm across, based on the stones in our stock today. Exact measurements are on each stone's certificate.
How much does a 1.5 carat round natural diamond cost?
Today our 1.5 carat round natural diamonds range from $3,239 to $97,207, across 17,293 stones. Colour, clarity, cut and the exact carat weight make the difference.
Should I choose a natural or lab grown 1.5 carat round diamond?
A natural diamond is formed over billions of years and each one is rare; many buyers value that origin. A lab grown diamond of the same grades costs far less. Today the lowest priced 1.5 carat round diamond in our stock is $3,239 natural, against $603 lab grown. Both are graded on the same 4Cs and come with a certificate.
What colour and clarity should a 1.5 carat round diamond be?
Colour and inclusions start to show more at this size, so G or better and VS2 or better are worth considering, particularly in step cuts.