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10+ Total Diamonds Found

1.00–1.49 Carat Natural Heart Diamonds

Natural heart diamonds from 1.00–1.49 carats, GIA or IGI certified. Widen the filters on the left to see more.

10+ in stock GIA & IGI certified 1.00–1.49 ct
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Shop by carat 1.00–1.49 ct · 10+ 1.50–1.99 ct · In stock 2.00–2.49 ct · 10+ 2.50–2.99 ct · In stock

GIA & IGI certified natural diamonds · Same-day shipping before 6 PM ET · No MOQ · Trade approval same business day before 4 PM ET

Heart Available
IGI
1.00ct Heart
J · VVS2 · FR · None Fluor
5.51 × 6.6 × 4.28
Polish
EX
Symmetry
EX
Ratio
0.83
Heart Available
GIA
1.00ct Heart
D · IF · Faint Fluor
5.74 × 6.78 × 4.27
Polish
EX
Symmetry
EX
Ratio
0.85
Heart Available
GIA
1.00ct Heart
E · SI2 · None Fluor
5.83 × 6.95 × 4
Polish
EX
Symmetry
VG
Ratio
0.84
Heart Available
GIA
1.01ct Heart
F · SI2 · None Fluor
5.64 × 6.72 × 4.28
Polish
EX
Symmetry
EX
Ratio
0.84
Heart Available
GIA
1.02ct Heart
F · VVS1 · None Fluor
5.62 × 6.67 × 4.29
Polish
EX
Symmetry
EX
Ratio
0.84
Heart Available
GIA
1.20ct Heart
G · SI1 · None Fluor
5.98 × 7.01 × 4.55
Polish
EX
Symmetry
EX
Ratio
0.85
Heart Available
GIA
1.20ct Heart
D · VS2 · Strong Fluor
5.94 × 7.08 × 4.58
Polish
EX
Symmetry
EX
Ratio
0.84
Heart Available
GIA
1.20ct Heart
H · SI2 · None Fluor
6.58 × 7.11 × 4.19
Polish
EX
Symmetry
EX
Ratio
0.93
Heart Available
GIA
1.20ct Heart
F · VS2 · FR · None Fluor
6.51 × 7.09 × 4.16
Polish
EX
Symmetry
EX
Ratio
0.92
Heart Available
GIA
1.20ct Heart
G · SI1 · Faint Fluor
6.01 × 7.2 × 4.54
Polish
EX
Symmetry
EX
Ratio
0.83
Heart Available
GIA
1.20ct Heart
H · SI1 · None Fluor
5.98 × 7.09 × 4.49
Polish
EX
Symmetry
EX
Ratio
0.84
Heart Available
GIA
1.21ct Heart
F · SI2 · Medium Fluor
5.96 × 7.13 × 4.58
Polish
EX
Symmetry
EX
Ratio
0.84
Heart Available
GIA
1.21ct Heart
F · SI1 · None Fluor
6.01 × 7.14 × 4.57
Polish
EX
Symmetry
EX
Ratio
0.84
Heart Available
GIA
1.21ct Heart
G · SI2 · None Fluor
6.02 × 7.25 × 4.47
Polish
EX
Symmetry
EX
Ratio
0.83
Heart Available
GIA
1.21ct Heart
J · VS1 · Faint Fluor
6.09 × 7.26 × 4.42
Polish
EX
Symmetry
EX
Ratio
0.84
Heart Available
GIA
1.21ct Heart
D · SI2 · None Fluor
5.93 × 7.13 × 4.57
Polish
EX
Symmetry
EX
Ratio
0.83
Heart Available
GIA
1.22ct Heart
H · SI1 · GD · None Fluor
6.16 × 7.24 × 4.6
Polish
EX
Symmetry
EX
Ratio
0.85
Heart Available
GIA
1.22ct Heart
F · VS2 · Medium Fluor
5.86 × 7.08 × 4.69
Polish
EX
Symmetry
EX
Ratio
0.83
Heart Available
GIA
1.31ct Heart
E · SI2 · None Fluor
6.3 × 7.51 × 4.69
Polish
EX
Symmetry
EX
Ratio
0.84
Heart Available
GIA
1.31ct Heart
E · VS2 · Faint Fluor
6.16 × 7.28 × 4.82
Polish
EX
Symmetry
EX
Ratio
0.85
Heart Available
GIA
1.32ct Heart
E · I1 · FR · Faint Fluor
6.86 × 7.47 × 4.32
Polish
EX
Symmetry
EX
Ratio
0.92
Heart Available
GIA
1.40ct Heart
G · VS1 · None Fluor
6.54 × 7.41 × 4.78
Polish
EX
Symmetry
VG
Ratio
0.88
Heart Available
GIA
1.41ct Heart
F · SI2 · None Fluor
6.31 × 7.56 × 4.89
Polish
EX
Symmetry
EX
Ratio
0.83
Heart Available
GIA
1.42ct Heart
I · VVS1 · Faint Fluor
6.38 × 7.6 × 4.8
Polish
EX
Symmetry
EX
Ratio
0.84
About 1.00–1.49 carat natural heart diamonds

How big is a 1.00–1.49 carat natural heart?

The 10+ natural heart diamonds from 1.00–1.49 carats in stock face up at 5.5–6.9 × 6.6–7.6 mm, colors D–J, each GIA or IGI certified.

Diamond size chart (mm to carat) All natural heart diamonds

1.00–1.49 carat natural diamonds in other shapes

1.00–1.49 ct natural oval 1.00–1.49 ct natural emerald cut 1.00–1.49 ct natural cushion 1.00–1.49 ct natural round 1.00–1.49 ct natural pear 1.00–1.49 ct natural radiant cut 1.00–1.49 ct natural old miner 1.00–1.49 ct natural asscher 1.00–1.49 ct natural princess 1.00–1.49 ct natural marquise
Natural diamonds Antique cuts Natural melee Diamond size chart (mm to carat) Custom jewelry We also carry certified lab-grown diamonds →

Trade questions

Is every natural diamond certified?

Yes. Each natural diamond on this page has a GIA or IGI report. Open the diamond page for the report number and verify it on the lab’s website.

How fast do you ship?

Orders placed before 6 PM ET ship the same day. International delivery takes 3–4 business days.

Can you find a natural diamond that is not listed?

Yes. We source diamonds to your specification. Send the shape, size, color and clarity on WhatsApp.

How do I see prices?

Prices are for the trade. Sign in, or open a trade account: approval is the same business day if you apply before 4 PM ET.