Loose Diamonds at Wholesale Prices
SEUYCO provides direct access to a world-class network of certified natural diamonds, lab-grown diamonds, and vibrant gemstones. By bypassing traditional markups, we deliver wholesale-grade pricing on GIA and IGI certified stones tailored for custom jewelry or private collections. Explore our extensive inventory across all cuts, carats, colors, and clarity grades to find your perfect match.
Featured Diamonds & Gemstones
Emerald Cut Diamond
2.50–3.50 ct • Color F–D, Clarity VVS2–FL • GIA/IGI Certified
From $3,000
Cushion Cut Diamond
1.00–1.50 ct • Color G–D, Clarity VS2–FL • GIA/IGI Certified
From $720
Ruby
1.00–2.00 ct • Vivid Red, Eye-Clean • GIA/AGL Certified
From $900
Round Lab-Grown Diamond
1.00–1.50 ct • Color G–D, Clarity VS2–FL • GIA/IGI Certified
From $750
Emerald Gemstone
1.00–2.00 ct • Vivid Green, Minor Inclusions • GIA/AGL Certified
From $550
Emerald Cut Diamond
1.50–2.50 ct • Color G–D, Clarity VS1–VVS1 • GIA/IGI Certified
From $1,600
Pear Shape Diamond
1.50–2.50 ct • Color G–D, Clarity VS1–VVS1 • GIA/IGI Certified
From $1,500
Round Natural Diamond
1.00–1.50 ct • Color I–F, Clarity SI1–VS1 • GIA Certified
From $3,800
Princess Cut Diamond
2.00–3.00 ct • Color F–D, Clarity VVS2–FL • GIA/IGI Certified
From $2,400
Pear Shape Diamond
2.50–3.50 ct • Color F–D, Clarity VVS2–FL • GIA/IGI Certified
From $2,850
Round Lab-Grown Diamond
1.50–2.50 ct • Color G–D, Clarity VS1–FL • GIA/IGI Certified
From $1,450
Princess Cut Diamond
1.50–2.00 ct • Color G–D, Clarity VS1–VVS2 • GIA/IGI Certified
From $1,250
Oval Cut Diamond
1.00–1.50 ct • Color G–D, Clarity VS2–FL • GIA/IGI Certified
From $780
Round Natural Diamond
1.50–2.50 ct • Color H–E, Clarity VS2–VVS1 • GIA Certified
From $8,500
Pear Shape Diamond
1.00–1.50 ct • Color G–D, Clarity VS2–FL • GIA/IGI Certified
From $760
Oval Cut Diamond
1.50–2.50 ct • Color G–D, Clarity VS1–VVS1 • GIA/IGI Certified
From $1,550
Blue Sapphire
1.00–2.00 ct • Vivid Blue, Eye-Clean • GIA/AGL Certified
From $650
Oval Cut Diamond
2.50–4.00 ct • Color F–D, Clarity VVS2–FL • GIA/IGI Certified
From $3,100
Princess Cut Diamond
1.00–1.50 ct • Color G–D, Clarity VS2–VVS1 • GIA/IGI Certified
From $700
Cushion Cut Diamond
1.50–2.50 ct • Color G–D, Clarity VS1–VVS1 • GIA/IGI Certified
From $1,400
Cushion Cut Diamond
2.50–3.50 ct • Color F–D, Clarity VVS2–FL • GIA/IGI Certified
From $2,700
Emerald Cut Diamond
1.00–1.50 ct • Color G–D, Clarity VS2–FL • GIA/IGI Certified
From $800