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Labgrown Diamond Prices Shift As 15carat Demand Rises

2026-01-16

Latest company blog about Labgrown Diamond Prices Shift As 15carat Demand Rises

Diamonds, long celebrated as symbols of love and eternity, have recently seen significant price fluctuations in their market. Particularly noteworthy is the emergence of lab-grown diamonds, which have gained substantial consumer interest due to their cost-effectiveness. This article examines the pricing structure, influencing factors, and future projections for 1.5-carat lab-grown diamonds, offering valuable insights for both consumers and investors.

Price Overview of 1.5-Carat Lab-Grown Diamonds

Recent market data reveals that the average price for a 1.5-carat lab-grown diamond stands at approximately $1,131. However, prices demonstrate considerable variation, ranging from $658 to $2,550, depending primarily on the diamond's shape, color, clarity, and cut quality.

Key Factors Influencing Pricing

1. Diamond Shape

The shape significantly impacts price due to variations in cutting techniques, rough diamond utilization, and market demand:

  • Round Brilliant: Commands premium pricing due to its popularity and light-reflecting properties
  • Oval: Offers elongation benefits at slightly lower prices than round cuts
  • Princess: Modern square cut with moderate pricing
  • Emerald: Step-cut style that emphasizes clarity at competitive prices
  • Cushion: Vintage-inspired cut with variable pricing
  • Other shapes (Pear, Heart, Marquise, etc.) each have unique pricing structures based on cutting complexity and market trends

2. Color Grading

The color scale from D (colorless) to Z (light yellow/brown) affects pricing:

  • D-F: Premium colorless range
  • G-J: Near-colorless with excellent value
  • K-M: Noticeable tint but budget-friendly

3. Clarity Levels

From Flawless (FL) to Included (I3), clarity impacts price:

  • FL/IF: Exceptionally rare and expensive
  • VVS: Microscopic imperfections only
  • VS: Minor inclusions invisible to naked eye
  • SI: Visible inclusions under magnification

4. Cut Quality

Cut grades (Excellent to Poor) determine brilliance and value:

  • Excellent: Maximum light performance
  • Very Good: Near-ideal proportions
  • Good: Balanced quality and price

5. Additional Considerations

Certification (GIA, IGI), fluorescence intensity, and market dynamics further influence pricing.

Market Trends and Price Movements

Recent data indicates a notable upward trend in 1.5-carat lab-grown diamond prices:

  • 1-month increase: 12.88% for round cuts
  • 3-month increase: 32.13%
  • 6-month increase: 33.22%

Concurrently, inventory levels have risen by 7.73% (20,698 diamonds) in the past month, reflecting increased production capacity.

Price Comparison by Shape

Shape Average Price ($) 1-Month Change (%)
Round 1,288 12.88
Oval 1,403 8.01
Princess 1,084 6.69
Emerald 1,005 6.46
Cushion 1,101 9.01
Radiant 990 3.45

Market Drivers and Future Outlook

Several factors contribute to current market dynamics:

  • Growing consumer preference for sustainable alternatives
  • Technological advancements reducing production costs
  • Increasing market competition among producers
  • Macroeconomic conditions affecting luxury spending

The lab-grown diamond sector shows strong growth potential, with prices stabilizing as production scales and consumer acceptance increases. However, investors should carefully evaluate market conditions, while consumers can benefit from the exceptional value proposition these diamonds offer.

Conclusion

The 1.5-carat lab-grown diamond market presents a complex but promising landscape. With comprehensive understanding of quality factors and market trends, both consumers and investors can make informed decisions in this evolving sector.

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