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I need two round diamonds, 4 carats each, with VVS2 clarity and certificates. One should be white (D color) and the other blue. Please provide details on available options.
United Arab Emirates
Posted at: 2026-07-04 16:00:02
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I am looking for A017 CVD/HPHT big size rough synthetic diamonds for jewelry inlay. I would like to request a sample first to check the quality. Could you please provide the price per carat and details on sample availability?
India
Posted at: 2026-07-01 03:41:52M******Email:****** -
I am looking for lab grown rough diamonds, both CVD and HPHT types. Specifications: - Size: 10ct to 15ct - Color: D, E, F - Clarity: VVS-VS Quantity required: 1000–1500 carats in total. Please provide details and pricing.
Singapore
Posted at: 2026-06-18 13:00:03S******Email:****** -
I am interested in purchasing synthetic diamonds. Please send me a price list. The quantity will depend on the quoted price. I look forward to your reply.
Latvia
Posted at: 2026-05-28 17:10:03
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I am looking for a lab grown diamond with princess cut, weighing 7 carats, color F, clarity VVS2. I plan to purchase 1 piece. Please provide product details and pricing.
Colombia
Posted at: 2026-05-21 11:30:02
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We are large rough diamond dealers based in India, seeking to purchase gem-grade HPHT rough diamonds. We require your latest price list, minimum order quantity, shipping terms, and photos or videos of available stock. We are interested in establishing a long-term business relationship.
Thailand
Posted at: 2026-05-13 21:00:02
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I am looking for single-crystal CVD diamond (SCD) substrates.
Malaysia
Posted at: 2026-04-29 15:06:17H******Email:****** -
I am looking to purchase rough synthetic diamonds. The diamonds must be in HPHT or CVD type with a size of 9 to 10 carats.
Thailand
Posted at: 2026-03-10 23:10:06
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I need to purchase a custom HPHT diamond with specific requirements. Specifications: - Type: IaAB (mixed nitrogen aggregates) - Nitrogen: 50–300 ppm, A/B ≈ 60/40, platelet peak at 1365 cm⁻¹ (FTIR) - Isotopes: δ¹³C = –5‰ to –8‰ (natural graphite feedstock) - Catalyst: Carbonate-silicate melt (MgCO₃–CaCO₃–SiO₂) – no metallic trace elements - Growth: Multi-stage HPHT with temperature/pressure fluctuations → chaotic zoning, no planar sectors - Annealing: 5–6 GPa, 2200°C for 100 hours – fully aggregates nitrogen, erases synthetic defects - Inclusions: Seeded natural mantle minerals (olivine, garnet, sulfide) with resorption textures
Netherlands
Posted at: 2026-03-10 23:00:03K******Email:****** -
I am a manufacturer of lab grown diamonds. I need rough stones ranging from 1 carat to 11 carats.
India
Posted at: 2026-03-03 19:09:22
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I need to purchase HPHT rough diamonds. Quantity: 10000 carats. Quality: A grade and white.
China
Posted at: 2026-03-03 19:00:03
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I am looking to purchase colored diamonds in sizes ranging from 2 to 10 carats. Colors include pink, blue, green, yellow, and D color white. I need wholesale prices and would like to see images or videos before making a decision. The exact quantity is not confirmed yet.
United States
Posted at: 2026-02-19 19:20:02
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I am interested in purchasing a machine to produce lab-grown jewelry diamonds.
I need one unit for my startup.
Could you provide information on the available production capacities?
Global
Posted at: 2026-02-10 05:40:02T******Email:****** -
I am interested in purchasing lab diamond gems. I need pricing information and confirmation of shipping to Brazil.
Brazil
Posted at: 2026-02-09 20:10:03
******Email:****** -
Inquiry about synthetic diamond ，interested in yellow and white
1000 cts
India
Posted at: 2026-02-05 19:30:05Y******Email:****** -
I am looking to purchase rough synthetic diamonds. I need a monthly supply of 10,000 carats.
India
Posted at: 2026-01-15 15:00:04
******Email:****** -
Looking for HPHT rough diamonds in 1 carat size.
Require all color grades and clarity levels available.
Please provide product specifications and pricing details.
India
Posted at: 2025-11-09 22:50:03
******Email:****** -
Looking to purchase 50 kg of A grade HPHT synthetic diamond rough. No certification required. Prefer online payment method. Please provide your best offer.
India
Posted at: 2025-10-29 10:30:09
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We are looking for HPHT Type IIa diamonds with the following specifications:
- Minimal inclusions
- Natural-like fluorescence characteristics
- Polished and annealed finish
- Trace element composition within natural diamond range
Please confirm production capabilities and provide technical specifications.
(Note: Quantity and budget will be discussed after confirming technical feasibility)
Japan
Posted at: 2025-10-17 05:20:03K******Email:****** -
We require 25,000 carats of lab grown rough diamonds with white color specifications.
The clarity grades should include VVS1, VVS2, VS1 and VS2 classifications.
Delivery timeframe required between 16-17 October.
Looking for reliable suppliers who can meet both quality standards and shipment schedule.
India
Posted at: 2025-10-06 11:20:03
******Email:****** -
Looking for HPHT rough diamond. Please provide product details and pricing.
India
Posted at: 2025-10-05 16:30:06D******Email:****** -
Looking to purchase rough synthetic diamonds produced via CVD method. Required quantity range: 5000-10000 carats. No specific budget or delivery time constraints mentioned. Please contact through platform messaging system.
India
Posted at: 2025-09-02 15:20:05
******Email:****** -
We are looking to purchase 1000 carats of lab-grown rough HPHT diamonds.
Key specifications:
- Diamond size range: 3 to 5 carats per piece
- Type: HPHT-grown rough diamonds
- Certification required: Standard laboratory documentation
Please provide:
1. Detailed quotation with price per carat
2. Available size distribution within specified range
3. Production capability and lead time
4. Minimum order quantity requirements
Suitable suppliers with relevant industry experience preferred.
India
Posted at: 2025-08-22 11:30:03
******Email:****** -
want to buy rough diamond, 5000/10000crt, need polish 1ct to 3ct
India
Posted at: 2025-08-15 15:40:02
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