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Lab Grown Diamond Prices in New Zealand: Using the TJ Diamond Price Calculator for Engagement Rings
Lab grown diamonds have become one of the most popular choices for engagement rings in New Zealand. They offer the same beauty, brilliance, and durability as natural diamonds while providing exceptional value. Whether you're comparing prices or designing a custom engagement ring, understanding what influences the cost of a lab grown diamond can help you make an informed decision.
At TJ Diamond, we've made this process even easier with our Lab Grown Diamond Price Calculator, allowing you to explore different diamond combinations and estimate pricing before speaking with one of our jewellery specialists.
Understanding Lab Grown Diamonds
What are Lab Grown Diamonds?
Lab grown diamonds are real diamonds created in advanced laboratories using cutting-edge technology that replicates the natural diamond-growing process. They have the same chemical composition, crystal structure, hardness, brilliance, and fire as mined diamonds.
They are not diamond simulants such as cubic zirconia or moissanite. A lab grown diamond is a genuine diamond that can be certified by respected grading laboratories such as IGI and GIA.
Many couples in New Zealand now choose lab grown diamonds because they offer larger diamond sizes and higher quality for the same budget.
How Lab Grown Diamonds are Different from Natural Diamonds
Although lab grown and natural diamonds are physically identical, there are several differences buyers should understand.
Origin
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Natural diamonds are formed underground over billions of years.
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Lab grown diamonds are created in controlled laboratory environments over several weeks.
Appearance
There is no visible difference between a lab grown and natural diamond without specialised equipment.
Certification
Both can be independently graded and certified based on the 4Cs:
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Carat Weight
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Colour
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Clarity
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Cut
Value
Lab grown diamonds generally cost significantly less than natural diamonds, allowing buyers to choose a larger or higher-quality stone within the same budget.
Overview of Lab Grown Diamond Prices in New Zealand
Current Market Trends
The New Zealand market has seen rapid growth in demand for lab grown diamonds over the past few years. Consumers are becoming more educated about the benefits, and improvements in manufacturing have made premium-quality diamonds more accessible than ever.
Popular choices include:
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1.00ct Round Brilliant
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Oval Cut
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Cushion Cut
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Emerald Cut
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Radiant Cut
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Pear Cut
Many couples are now choosing diamonds between 1.00 and 2.00 carats, as lab grown diamonds make larger centre stones far more affordable than natural diamonds.
Factors Affecting Prices
Several factors influence the price of a lab grown diamond.
Carat Weight
Larger diamonds require more time and resources to grow, making carat weight one of the biggest pricing factors.
Colour Grade
Colourless diamonds (D–F) generally command higher prices than near-colourless grades (G–J).
Clarity Grade
Diamonds with fewer internal inclusions receive higher clarity grades and typically cost more.
Common clarity grades include:
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IF
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VVS1
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VVS2
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VS1
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VS2
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SI1
Cut Quality
Excellent-cut diamonds maximise brilliance and sparkle. A superior cut often has a greater impact on appearance than carat weight alone.
Certification
Independently certified diamonds provide confidence that the diamond's characteristics have been professionally assessed.
Utilizing the TJ Diamond Price Calculator
How to Use the Calculator
https://www.tjdiamond.co/en-nz/pages/diamond-price-calculator
The TJ Diamond Lab Grown Diamond Price Calculator allows you to compare different diamond options quickly and easily.
Simply select:
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Diamond Shape
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Carat Weight
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Colour Grade
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Clarity Grade
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Cut Quality
The calculator instantly estimates the diamond price, helping you understand how changing each specification affects your budget.
Once you've found the combination you like, our jewellery consultants can help you select the perfect setting or create a fully custom engagement ring.
Advantages of the Calculator
Using the TJ Diamond Price Calculator offers several benefits:
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Compare multiple diamond combinations in seconds.
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Understand how each of the 4Cs affects pricing.
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Plan your engagement ring budget with confidence.
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Explore larger diamonds without exceeding your budget.
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Design a custom engagement ring tailored to your preferences.
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Receive transparent pricing before making a decision.
The calculator is designed to simplify the buying process and help you make informed choices without the pressure often associated with traditional jewellery shopping.
Best Engagement Ring Options
Popular Cuts and Designs
Choosing the right diamond shape is just as important as selecting the diamond itself.
Some of the most popular engagement ring styles in New Zealand include:
Round Brilliant
The most popular diamond shape, offering exceptional sparkle and timeless appeal.
Oval Cut
A modern favourite that creates the appearance of a larger diamond while beautifully elongating the finger.
Cushion Cut
Known for its soft, rounded corners and romantic appearance, combining vintage charm with contemporary elegance.
Emerald Cut
Elegant step-cut facets that highlight clarity and create a sophisticated, understated look.
Radiant Cut
Combines the brilliance of a round diamond with the elegant shape of an emerald cut.
Pear Cut
A distinctive teardrop shape that offers a unique and elegant appearance.
Popular settings include solitaire, hidden halo, halo, trilogy, pavé, cathedral, and vintage-inspired designs.
Budget-Friendly Choices
One of the biggest advantages of lab grown diamonds is the ability to maximise your budget without compromising on beauty.
To achieve the best value, consider:
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Choosing a VS clarity instead of VVS, where inclusions are often invisible to the naked eye.
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Selecting a G or H colour diamond, which appears beautifully white in most settings.
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Prioritising an Excellent cut for maximum brilliance.
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Choosing slightly below common carat milestones, such as 0.90ct or 1.90ct, for excellent value.
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Pairing your diamond with a classic solitaire setting that highlights the centre stone.
At TJ Diamond, we manufacture many of our jewellery pieces in-house, allowing us to offer exceptional craftsmanship, transparent pricing, and outstanding value. Whether you're looking for a classic solitaire or a fully customised engagement ring, our team can help you create a piece that reflects your style and budget.
Find Your Perfect Lab Grown Diamond
If you're comparing lab grown diamond prices in New Zealand, the TJ Diamond Price Calculator is an excellent place to start. Explore different diamond combinations, compare pricing instantly, and discover how affordable a stunning engagement ring can be.
Whether you're shopping online or visiting one of our showrooms, our experienced team is here to guide you through every step of the journey, from selecting the perfect diamond to creating a handcrafted engagement ring that will be treasured for a lifetime.
