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500+ Total Diamonds Found

Certified Natural Diamonds (GIA & IGI)

Wholesale loose natural diamonds for jewelers and retailers. Every diamond is GIA or IGI certified, filmed in 360° and has its own page.

500+ in stock GIA & IGI certified 12 shapes
Sign in for price Open a trade account WhatsApp us
Shop by shape Oval · 100+ Emerald Cut · 50+ Cushion · 50+ Round · 50+ Pear · 50+ Radiant Cut · 50+ Heart · 10+ Old Miner · 10+ Asscher · 10+ Princess · 10+ Marquise · 10+ Carre · In stock
Shop by carat 0.50–0.69 ct · In stock 0.70–0.89 ct · In stock 0.90–0.99 ct · In stock 1.00–1.49 ct · 100+ 1.50–1.99 ct · 50+ 2.00–2.49 ct · 100+ 2.50–2.99 ct · 10+ 3.00–3.99 ct · 50+ 4.00–4.99 ct · 10+ 5.00+ ct · 10+

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

Oval Available
IGI
1.00ct Oval
J · VVS1 · FR · Very Slight Fluor
7.52 × 5.47 × 3.61
Polish
EX
Symmetry
EX
Ratio
1.37
Heart Available
IGI
1.00ct Heart
J · VVS2 · FR · None Fluor
5.51 × 6.6 × 4.28
Polish
EX
Symmetry
EX
Ratio
0.83
Radiant Cut Available
GIA
1.00ct Radiant Cut
D · SI2 · None Fluor
6.18 × 4.9 × 3.47
Polish
EX
Symmetry
VG
Ratio
1.26
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
Emerald Cut Available
GIA
1.00ct Emerald Cut
H · SI1 · FR · None Fluor
6.81 × 4.87 × 3.1
Polish
EX
Symmetry
VG
Ratio
1.40
Asscher Available
GIA
1.00ct Asscher
F · SI1 · None Fluor
5.45 × 5.28 × 3.72
Polish
EX
Symmetry
EX
Ratio
1.03
Asscher Available
GIA
1.00ct Asscher
J · VS1 · None Fluor
5.4 × 5.27 × 3.71
Polish
EX
Symmetry
EX
Ratio
1.02
Asscher Available
GIA
1.00ct Asscher
J · VVS2 · None Fluor
5.47 × 5.41 × 3.68
Polish
EX
Symmetry
EX
Ratio
1.01
Marquise Available
GIA
1.00ct Marquise
J · VVS2 · None Fluor
9.92 × 4.95 × 3.33
Polish
EX
Symmetry
EX
Ratio
2.00
Asscher Available
GIA
1.00ct Asscher
G · IF · None Fluor
5.28 × 5.24 × 3.72
Polish
EX
Symmetry
VG
Ratio
1.01
Asscher Available
GIA
1.00ct Asscher
I · SI1 · None Fluor
5.23 × 5.08 × 3.74
Polish
VG
Symmetry
VG
Ratio
1.03
Cushion Available
GIA
1.00ct Cushion
E · SI1 · Faint Fluor
6.35 × 5.13 × 3.71
Polish
EX
Symmetry
EX
Ratio
1.24
Old Miner Available
GIA
1.00ct Old Miner
I · VVS1 · FR · None Fluor
6.57 × 5.28 × 3.69
Polish
EX
Symmetry
EX
Ratio
1.24
Old Miner Available
GIA
1.00ct Old Miner
J · VS1 · None Fluor
6.01 × 5.96 × 3.94
Polish
EX
Symmetry
VG
Ratio
1.01
Cushion Available
GIA
1.00ct Cushion
H · SI2 · None Fluor
6.59 × 5.07 × 3.71
Polish
EX
Symmetry
EX
Ratio
1.30
Marquise Available
GIA
1.01ct Marquise
J · SI2 · None Fluor
9.41 × 5 × 3.34
Polish
EX
Symmetry
VG
Ratio
1.88
Cushion Available
GIA
1.01ct Cushion
I · VVS2 · None Fluor
6.34 × 5.14 × 3.66
Polish
EX
Symmetry
EX
Ratio
1.23
Cushion Available
GIA
1.01ct Cushion
H · VVS1 · FR · None Fluor
6.56 × 5.05 × 3.61
Polish
EX
Symmetry
EX
Ratio
1.30
Old Miner Available
GIA
1.01ct Old Miner
I · VVS1 · None Fluor
5.92 × 5.86 × 3.88
Polish
EX
Symmetry
EX
Ratio
1.01
Old Miner Available
GIA
1.01ct Old Miner
J · VS2 · None Fluor
5.87 × 5.84 × 3.85
Polish
EX
Symmetry
EX
Ratio
1.01
Emerald Cut Available
GIA
1.01ct Emerald Cut
E · SI1 · Faint Fluor
6.4 × 4.68 × 3.35
Polish
EX
Symmetry
EX
Ratio
1.37
Cushion Available
GIA
1.01ct Cushion
G · VS2 · None Fluor
5.54 × 5.53 × 3.9
Polish
EX
Symmetry
EX
Ratio
1.00
Heart Available
GIA
1.01ct Heart
F · SI2 · None Fluor
5.64 × 6.72 × 4.28
Polish
EX
Symmetry
EX
Ratio
0.84
About certified natural diamonds

Shop certified natural diamonds by shape

Natural oval diamonds 100+ Natural emerald cut diamonds 50+ Natural cushion diamonds 50+ Natural round diamonds 50+ Natural pear diamonds 50+ Natural radiant cut diamonds 50+ Natural heart diamonds 10+ Natural old miner diamonds 10+ Natural asscher diamonds 10+ Natural princess diamonds 10+ Natural marquise diamonds 10+ Natural carre diamonds In stock

Popular natural sizes

1.00–1.49 ct Oval 1.00–1.49 ct Old Miner 1.00–1.49 ct Pear 1.00–1.49 ct Radiant Cut 1.00–1.49 ct Emerald Cut 2.00–2.49 ct Emerald Cut 1.00–1.49 ct Heart 1.00–1.49 ct Cushion

Antique natural cuts

Old Miner, Old European and Carré cuts in natural diamonds, each GIA or IGI certified.

Antique cut natural diamonds

GIA certified loose diamonds, wholesale for the trade

Guru Diam has 500+ certified natural diamonds in stock, GIA or IGI graded, from 0.50 carats up, in 12 shapes: oval, emerald cut, cushion, round, pear, radiant cut and more. We sell loose natural diamonds wholesale to jewelers, retailers and manufacturers from our NYC Diamond District office on 47th Street and our Los Angeles office. Every natural diamond has its own page with the photo, 360° video and a link to verify its report. Sign in to see trade pricing.

Natural diamonds Antique cuts Natural melee Diamond size chart (mm to carat) Custom jewelry We also carry certified lab-grown diamonds →

Natural diamond 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.