Diamonds

Each piece of jewelry we make is customizable, so our master jewelers can create the piece of your dreams using our certified loose diamonds at Unicorn Jewelry. We embrace the key to each diamond’s quality, the five C’s: Carat Weight, Cut, Color, Clarity and Certification. At Unicorn Jewelry in Rancho Bernardo, we want to help you find the perfect diamond for your needs, because you can never have too many diamonds.

To learn more about selecting your diamond, click here.

  • sort by
    • 0.40Ct Marquise Modified Brilliant, H, SI2, Good Polish, Poor Symmetry, GIA 2225934126
    • 0.40Ct Marquise Modified Brilliant, H, SI2, Good Polish, Poor Symmetry, GIA 2225934126

      GIA REPORT NUMBER: 2225934126 DATE OF ISSUE:...

      GIA REPORT NUMBER: 2225934126 DATE OF ISSUE: May 15, 2023   DIAMOND DOSSIERFOR NATURAL DIAMOND GRADING RESULTSShape: Marquise Modified BrilliantMeasurements: 8.33 x 3.85 x 2.12 mmCarat Weight: 0.40 caratColor Grade: HClarity Grade: SI2 PROPORTIONSDepth: 55.0%Table: 55%Girdle: Very Thin to Extremely Thick, FacetedCulet: None FINISHPolish: GoodSymmetry: Poor FLUORESCENCEFluorescence: Faint CLARITY CHARACTERISTICSClarity Characteristics: Chip, Crystal, Feather INSCRIPTION(S): GIA 2225934126  VIEW GIA CERTIFICATE: 2225934126        ...

    • 0.40Ct Old European Brilliant, I, VS2, Good Polish, Fair Symmetry, GIA 2221933874
    • 0.40Ct Old European Brilliant, I, VS2, Good Polish, Fair Symmetry, GIA 2221933874

      GIA REPORT NUMBER: 2221933874 DATE OF ISSUE:...

      GIA REPORT NUMBER: 2221933874 DATE OF ISSUE: May 9, 2023   DIAMOND DOSSIERFOR NATURAL DIAMOND GRADING RESULTSShape: Old European BrilliantMeasurements: 4.60 - 4.71 x 3.00 mmCarat Weight: 0.40 caratColor Grade: IClarity Grade: VS2 PROPORTIONSDepth: 64.4%Table: 44%Girdle: Thin to Slightly ThickCulet: Slightly Large FINISHPolish: GoodSymmetry: Fair FLUORESCENCEFluorescence: None CLARITY CHARACTERISTICSClarity Characteristics: Cavity, Feather INSCRIPTION(S): GIA 2221933874  VIEW GIA CERTIFICATE: 2221933874        

    • 0.41 Ct Round Brilliant, J, SI2, Good Cut, GIA 2221839234
    • 0.41 Ct Round Brilliant, J, SI2, Good Cut, GIA 2221839234

      GIA REPORT NUMBER: 2221839234 DATE OF ISSUE: Feb. 27,...

      GIA REPORT NUMBER: 2221839234 DATE OF ISSUE: Feb. 27, 2023   DIAMOND DOSSIERFOR NATURAL DIAMONDGRADING RESULTS Shape: Round BrilliantMeasurements: 4.95 - 5.03 x 2.83 mmCarat Weight: 0.41 caratColor Grade: JClarity Grade: SI2Cut Grade: GoodPROPORTIONS Depth: 56.7%Table: 60%Crown Angle: 28.0°Crown Height: 10.5%Pavilion Angle: 41.0°Pavilion Depth: 43.5%Star Length: 55%Lower Half: 75%Girdle: Very Thin to...

    • 0.41Ct Marquise Brilliant, E, VS2, Very Good Polish & Symmetry, GIA 2225934130
    • 0.41Ct Marquise Brilliant, E, VS2, Very Good Polish & Symmetry, GIA 2225934130

      GIA REPORT NUMBER: 2225934130 DATE OF ISSUE:...

      GIA REPORT NUMBER: 2225934130 DATE OF ISSUE: May 15, 2023   DIAMOND DOSSIERFOR NATURAL DIAMOND GRADING RESULTSShape: Marquise BrilliantMeasurements: 8.09 x 3.65 x 2.42 mmCarat Weight: 0.41 caratColor Grade: EClarity Grade: VS2 PROPORTIONSDepth: 66.3%Table: 59%Girdle: Very Thin to ThickCulet: None FINISHPolish: Very GoodSymmetry: Very Good FLUORESCENCEFluorescence: None CLARITY CHARACTERISTICSClarity Characteristics: Cavity, Feather, Chip INSCRIPTION(S): GIA 2225934130  VIEW GIA CERTIFICATE: 2225934130          

    • 0.41Ct Square Modified Brilliant, G, I2, Very Good Polish, Fair Symmetry, GIA 5212855636
    • 0.41Ct Square Modified Brilliant, G, I2, Very Good Polish, Fair Symmetry, GIA 5212855636

      GIA REPORT NUMBER: 5212855636 DATE OF ISSUE: Jul. 13,...

      GIA REPORT NUMBER: 5212855636 DATE OF ISSUE: Jul. 13, 2021   SQUARE MODIFIED BRILLIANTMeasurements: 4.13 x 4.05 x 2.95 mmCarat Weight: 0.41 caratColor Grade: GClarity Grade: I2 PROPORTIONSDepth: 72.8%Table: 77%Girdle: Very ThickCulet: None FINISHPolish: Very GoodSymmetry: Fair FLUORESCENCEFluorescence: None CLARITY CHARACTERISTICSClarity Characteristics: Feather INSCRIPTION(S): GIA 5212855636  View GIA Certificate: 5212855636      

    • 0.47Ct Square Modified Brilliant, F, SI2, Good Polish, Fair Symmetry, GIA 5211037013
    • 0.47Ct Square Modified Brilliant, F, SI2, Good Polish, Fair Symmetry, GIA 5211037013

      GIA REPORT NUMBER: 5211037013 DATE OF ISSUE: Jul. 14,...

      GIA REPORT NUMBER: 5211037013 DATE OF ISSUE: Jul. 14, 2020   SQUARE MODIFIED BRILLIANTMeasurements: 4.37 x 4.27 x 2.83 mmCarat Weight: 0.47 caratColor Grade: FClarity Grade: SI2 PROPORTIONSDepth: 66.4%Table: 82%Girdle: Thin to Extremely ThickCulet: None FINISHPolish: GoodSymmetry: Fair FLUORESCENCEFluorescence: None CLARITY CHARACTERISTICSClarity Characteristics: Cavity, Feather INSCRIPTION(S): GIA 5211037013  View GIA Certificate: 5211037013        

    • 0.48Ct Round Brilliant, Fancy Dark Brown, I2, Very Good Polish, Good Symmetry, GIA 6217032490
    • 0.48Ct Round Brilliant, Fancy Dark Brown, I2, Very Good Polish, Good Symmetry, GIA 6217032490

      GIA REPORT NUMBER: 6217032490 DATE OF ISSUE: Jul. 15,...

      GIA REPORT NUMBER: 6217032490 DATE OF ISSUE: Jul. 15, 2020   ROUND BRILLIANTMeasurements: 4.84 - 4.89 x 3.06 mmCarat Weight: 0.48 caratClarity Grade: I2 COLOROrigin: NaturalGrade: Fancy Dark BrownDistribution: Even PROPORTIONSDepth: 62.8 %Table: 66 %Girdle: Medium to Very ThickCulet: None FINISHPolish: Very GoodSymmetry: Good FLUORESCENCEFluorescence: None CLARITY CHARACTERISTICSClarity Characteristics: Feather, Twinning Wisp, Crystal, CavityKey To Symbols: Feather, Twinning Wisp, Crystal, Cavity COMMENTS: Additional twinning wisps are not shown. Surface graining is...

    • EGL USA 0.27 CT Heart Brilliant, E, SI3, Good Polish, Good Symmetry
    • EGL USA 0.27 CT Heart Brilliant, E, SI3, Good Polish, Good Symmetry

      REPORT # US 76091902D PRIMARY CHARACTERISTICS Cut...

      REPORT # US 76091902D PRIMARY CHARACTERISTICS Cut (Shape and Style): HEART BRILLIANTCarat Weight: 0.27 CTClarity Grade: SI3Color Grade: E PROPORTIONS Measurements: 4.42 X 3.67 X 2.74 MMTable: 64.5%Depth: 62%Crown Height: 10.4%Crown Angle: 36°Pavilion Depth: 44.1%Pavilion Angle: 42.6°Girdle: THICK TO EX. THICK FACETEDCulet: NONE OBSERVATIONS Finish Polish: GOODSymmetry: GOOD Fluorescence: NONE...

    • EGL USA 0.31 CT Triangle Modified Brilliant, D, SI1, Very Good Polish, Good Symmetry
    • EGL USA 0.31 CT Triangle Modified Brilliant, D, SI1, Very Good Polish, Good Symmetry

      REPORT # US 915491702D   PRIMARY CHARACTERISTICS...

      REPORT # US 915491702D   PRIMARY CHARACTERISTICS Cut (Shape and Style): TRIANGULAR MODIFIED BRILLIANT13Carat Weight: 0.31 CTClarity Grade: SI1Color Grade: D PROPORTIONS Measurements: 5.99 X 5.19 X 1.74 MMTable: 56.7%Depth: 29%Crown Height: 11.5%Pavilion Depth: 16.4%Girdle: VERY THIN TO VERY THICK FACETEDCulet: SMALL OBSERVATIONS Finish Polish: VERY GOODSymmetry: GOOD Fluorescence: NONE...