Access D-E Color HPHT and Large Carat CVD diamonds through our trusted network of Chinese manufacturers. Transparent pricing. No middlemen markups.
(Real-time Comparison Dec 2025. Save ~40% vs US Dealers.)
| Spec (IGI Certified) | Avg. US Dealer Price* | Kunlun Partner Price | Your Savings |
|---|---|---|---|
| 1.00 ct Round D IF HPHT | $520+ | $275 | Save $245 |
| 2.01 ct Round D VVS2 CVD | $1,050+ | $600 | Save $450 |
| 3.02 ct Round D VVS1 CVD | $1,950+ | $1,085 | Save $865 |
| 5.09 ct Round D VS1 CVD | $4,500+ | $2,605 | Save $1,895 |
Stop overpaying. Get access to our live inventory of 5,000+ stones.
(Updated Daily: Shanghai Exchange Time)
🔒 100% Secure. Only for jewelry professionals.
The Secret Supply Chain for US Jewelers
We connect you with top manufacturers. You design, they produce. From Loose Stone to Finished Ring in ~3 Weeks.
Check our list or ask us to filter diamonds for you (e.g. "I need 5pcs 2ct Oval").
Request HD 360° videos. We verify D-E color and eye-clean clarity for you.
100% Payment before shipping. We ship via FedEx/Brink's (5-7 Days to USA).
"I used to buy G color CVD. Now I buy D color HPHT from Kunlun for the same price. My customers love the sparkle."
— Sarah J.
Store Owner, New York
"Their custom manufacturing service is a lifesaver. I send the CAD, they ship the ring. My brand is growing fast."
— Mark D.
Jewelry Designer, Texas
"Shipping to Hong Kong was fast. The calibrated melee parcel was perfectly sorted."
— Patel K.
Wholesaler, Surat
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