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IGI certified · Lab-grown

1.50 ct Round Lab-Grown Diamond, K SI1

$1,679 / $1,119.33 per carat

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Carat
1.50
Color
K
Clarity
SI1
Cut
Very good
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  • Arrives between Mon, Nov 16 and Mon, Nov 23
  • Free delivery, signature required
  • Return within 14 days of delivery, with its original certificate; a $69 restocking fee applies
  • Import duty paid by us
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IGI report

LG407950682

View the Report
Illustration: a loose round diamond held in tweezers, close up

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The stone

About This Stone

A 1.50 ct round lab-grown diamond, K color, SI1 clarity, very good cut, graded by IGI.

What Actually Matters Here

  • ColorK

    Matters for price, not for looks

    1. D
    2. E
    3. F
    4. G
    5. H
    6. I
    7. J
    8. K

    Graded D (colorless) to Z (light yellow or brown). How diamond color is graded

  • ClaritySI1

    Matters for price, not for looks

    1. FL
    2. IF
    3. VVS1
    4. VVS2
    5. VS1
    6. VS2
    7. SI1
    8. SI2
    9. I1

    How free the stone is from internal marks (inclusions). How diamond clarity is graded

  • CutVery good

    You can see this

    1. Excellent
    2. Very good
    3. Good
    4. Fair

    Cut is what makes a diamond sparkle: proportions, symmetry and polish. What a cut grade means

  • Carat

    You can see this

    Carat is weight, not size: 1 carat = 0.2 grams. What carat weight means

  • Certificate

    An independent laboratory report (GIA or IGI for every diamond here) describing the stone's measured characteristics. What a grading report covers

  • Eye-clean

    You can see this

    No inclusions visible to the unaided eye at normal viewing distance. What eye clean means

Specification

The Four Cs

Carat
1.50
Color
K
Clarity
SI1
Cut
Very good

Proportions

Measurements
7.43 × 7.5 × 4.33 mm
Length to width
0.99
Table
62%
Depth
58%
Crown angle
31.4°
Pavilion angle
40.3°
Girdle
Medium to slightly thick

Finish

Polish
Excellent
Symmetry
Very good
Fluorescence
None
Eye clean
No
Lab-grown
Yes

Report

Laboratory
IGI
Report number
LG407950682

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