The Ultimate 2026 LAB GROWN DIAMOND PRICE & Shape Guide
Know Before You Buy! | Published February 27, 2026
In 2026, lab-grown diamonds are the clear choice for purchasers who seek brilliance, value, and sustainability all in one package. This complete guide covers everything — from the price of a 1 carat lab-grown diamond in India to IGI-certified price lists and premium 5 carat options.
1 Carat Lab Grown Diamond Price in India (2026)
The 1 carat diamond remains the most sought-after category, offering the right balance of size, appearance, and affordability. Loose 1 carat lab-grown diamonds are priced between ■25,000 and ■ 45,000 approximately 70–85% more affordable than natural diamonds.
Price factors to consider:
•Cut: Excellent / Very Good
•Colour: D–H range
•Clarity: IF–VS2
•Certification: IGI preferred
A 1-carat engagement ring typically costs between ■35,000 and ■75,000 depending on metal (gold or platinum) and design complexity.
IGI Certified Lab Grown Diamond Price List (2026)
Most Popular Diamond Shapes in 2026
•Round Brilliant: Most brilliant, highest price per carat due to rough waste. Ideal for classic engagement rings.
•Oval Cut: Appears larger than round, elegant elongated look. About 5–10% less expensive than round.
•Emerald Cut: Step-cut style with a sophisticated feel. Clarity is more important than sparkle.
•Cushion Cut: Vintage-inspired with soft edges and balanced brilliance.
•Princess Cut: Modern square shape with lots of sparkle, popular among younger buyers.
Trend in 2026: Oval and emerald cuts are especially popular in India for their larger appearance and elegant aesthetics.
5 Carat Lab Grown Diamond Ring Price (2026)
The 5 carat lab-grown diamond has become increasingly accessible, making statement pieces attainable:
•Loose 5-carat stone: ■4,50,000 – ■8,00,000
•Full ring (gold or platinum setting): ■5,50,000 – ■10,00,000+
A natural 5-carat diamond can cost ■2–4 crore, making lab-grown alternatives dramatically more accessible.
Growth Method
Colour Grade
What Influences Lab Grown Diamond Prices?
CVD (Chemical Vapour Deposition) is most common in India. HPHT carries a slight premium in some cases.
Cut Quality
An Excellent cut reflects the most light, commanding a higher price but maximising brilliance beyond carat size.
Smart Buying Tips
• Always choose IGI-certified stones.
D–F: Colourless (premium) | G–H: Nearcolourless (best value) | I–J: Budget-friendly
Clarity
IF/VVS: Investment grade | VS1/VS2: Best balance | SI: Budget option
• Prioritise cut over carat for maximum brilliance.
• Compare price-per-carat across different shapes.
• Request full transparency in the grading report.
• Review return policy and upgrade options before purchasing.
• For high-value purchases (3–5 carats), request HD video to assess the diamond in different lighting.
Source: the6c.com/blogs/news/lab-grown-diamond-price | The6C Redefine Luxury Anhad Diamonds Pvt. Ltd., 11th Floor, AltF, Sector 62, Noida, U.P. - 201301 | care@the6c.com | +91-8859050939