The Vault – Exclusive Diamonds Curated by Joshua Mancilla
Welcome to The Vault – Curated by Joshua Mancilla
At The Diamond Reserve by Joshua, you’re not browsing an ordinary inventory — you’re gaining exclusive access to hand-selected diamonds sourced directly through my personal network of global manufacturers and suppliers. These are diamonds that traditional jewelry stores can’t access, thanks to my deep-rooted relationships built through years of leading sales for major diamond manufacturers and my role as Head of Sales at Uni Diamonds, a leader in global diamond data and sourcing.
Each diamond featured here is a one-of-a-kind piece, carefully chosen for its exceptional quality, rarity, and unique beauty. When you purchase from The Vault, you’re not just buying a diamond — you’re securing a gem with proven provenance and insider-level access.
Currently Available Diamond
✨ 1.08ct Oval Cut Fancy Light Yellow VVS1 GIA with Angola Origin - $2,999
💎 Direct from Joshua's Private Vault
📜 GIA Certified & Ethically Sourced by an Accredited RJC Manufacturer
🚨 Available for a Limited Time — Once It’s Gone, It’s Gone
💎 This Diamond is Available for Purchase by Private Consultation Only
👉 Schedule Your Consultation Now
As each diamond is sourced exclusively, The Vault may only feature one diamond at a time. This ensures that each stone receives the attention it deserves, and clients know they are purchasing something truly rare and special.
Want Early Access to Future Diamonds? Join the VIP List
If you’d like to be the first to know when new diamonds are added to The Vault, join my exclusive VIP list. You’ll receive early notifications, giving you the opportunity to preview and reserve diamonds before they’re released to the public.
Looking for Something Specific? Let Me Source It for You
Have a particular diamond in mind — a rare shape, size, or color? With my unparalleled industry access, I can personally source your ideal diamond from my direct connections at top diamond manufacturers around the world.
📅 Schedule a Free Consultation to Start Your Custom Search
Why Buy From The Vault?
✅ Curated by an Industry Insider: Direct access to diamonds sourced by a wholesale expert with global reach.
✅ One-of-a-Kind Finds: Once a diamond sells, it’s gone — no mass inventory.
✅ Direct From Source: No unnecessary markups — transparent pricing with verified certification.
✅ Ethically Sourced & Certified: Each diamond comes with a GIA certificate and documented provenance.
Experience True Exclusivity — Explore The Vault Today
Whether you’re searching for a classic engagement diamond, a rare fancy color gem, or a timeless heirloom, The Vault offers a curated selection you won’t find anywhere else.
Ready to discover your one-of-a-kind diamond? Let’s find it together.
Sold Collection
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1.63 Carat H VS1 Lab Grown Emerald Cut Diamond - IGI Certified - Sold
Regular price $0.00 USDRegular priceUnit price / perSold out -
1.01 Carat Fancy Intense Yellow Oval Lab Grown Diamond - IGI Certified VVS1 - Sold
Regular price $0.00 USDRegular priceUnit price / perSold out -
0.39 Carat Old European Brilliant Diamond - GIA Certified I VVS2 - Sold
Regular price $0.00 USDRegular priceUnit price / perSold out -
1.01ct GIA Certfied Fancy Yellow Heart Shape Diamond SI1 Clarity - Sold
Regular price $0.00 USDRegular priceUnit price / perSold out