Flawless Lab Grown Diamonds.
Honest Wholesale Prices.
IGI certified lab grown diamonds in the colorless range, finished to Excellent polish and symmetry — at prices traditional showrooms simply can't match. Every stone one of a kind. Proudly serving Texas and every state in America.
Certified stones in the vault
IGI certified & laser inscribed
Every stone one of a kind
Day returns, no questions
Current Stock — In the Vault · Ships in 1 Business Day
1.54ct Round
F · VS1 · Excellent
2.31ct Round
E · VS1 · Excellent
2.10ct Oval
F · VS1 ·
3.15ct Oval
F · VS1 ·
4.01ct Radiant
F · VS1 ·
2.15ct Radiant
E · VVS2 ·
2.09ct Emerald
F · VVS2 ·
3.50ct Emerald
F · VS1 ·
4.00ct Pear
F · VS1 ·
1.54ct Round
F · VS1 · Excellent
2.31ct Round
E · VS1 · Excellent
2.10ct Oval
F · VS1 ·
3.15ct Oval
F · VS1 ·
4.01ct Radiant
F · VS1 ·
2.15ct Radiant
E · VVS2 ·
2.09ct Emerald
F · VVS2 ·
3.50ct Emerald
F · VS1 ·
4.00ct Pear
F · VS1 ·
Six Reasons Smart Buyers
Choose Us First.
Buying a diamond is a trust decision. Here is exactly what you get when you place that trust with us — in writing.
Independently Certified, Always
Every stone carries a full IGI lab report and a matching laser inscription you can verify yourself on igi.org — before you spend a dollar. We link you straight to it.
Direct Wholesale Pricing
We buy directly from the growers and cut out showroom overhead. That's how a 3-carat D-flawless costs thousands less here — and why we can beat any written quote.
A Quality Floor, Not a Range
Colorless E–F only. VS1 and VVS2 clarity only — every stone eye-clean. Excellent polish and symmetry on all of them, zero fluorescence, all Type IIa. You cannot buy a mediocre diamond here; we don't stock them.
Free Insured Overnight Delivery
FedEx Priority Overnight on every order, fully insured door-to-door with signature required, across all 50 states. Order today, propose this weekend.
30-Day Returns & Lifetime Upgrade
30-day no-questions refund, lifetime manufacturing warranty, free resizing within 60 days, and 100% trade-up credit on loose diamonds forever.
Texas-Based, USA-Focused
Real gemologists in Texas, virtual appointments 24 hours a day, 7 days a week, and same-day dispatch for San Antonio, Houston, Austin, Dallas and beyond.
Signature Stones in the Vault
Hand-selected by our gemologists for exceptional light performance.
2.31 Carat Round Brilliant Lab Grown Diamond — E Color, VS1 Clarity
3.15 Carat Oval Brilliant Lab Grown Diamond — F Color, VS1 Clarity
4.01 Carat Cut Cornered Rectangular Modified Brilliant Lab Grown Diamond — F Color, VS1 Clarity
2.15 Carat Cut Cornered Rectangular Modified Brilliant Lab Grown Diamond — E Color, VVS2 Clarity
2.09 Carat Emerald Cut Lab Grown Diamond — F Color, VVS2 Clarity
4.00 Carat Pear Brilliant Lab Grown Diamond — F Color, VS1 Clarity
Find Your Stone in 30 Seconds.
Set a budget and a shape — we'll surface the best-value certified stone in the vault. Then verify its paperwork instantly.
Your Budget → Best Stone
We rank every in-stock stone by carat weight, grades and light performance per dollar, then show the strongest match.
2.31 Carat Round Brilliant Lab Grown Diamond — E Color, VS1 Clarity
2.31ct · E · VS1 · Excellent
Check Any Stone's Papers
Enter a report number from our inventory to preview its grading — then confirm it independently on the official IGI registry.
💡 Every report number appears on its product card in the catalog.
Take our 5-minute interactive 4Cs course and shop like an expert.
Same Certified Diamond.
A Very Different Bill.
Here's an honest look at how buying direct compares with the traditional retail experience.
| What you get | 💎 D'Diamondz Direct | Typical Mall Showroom | Typical Big-Box Online |
|---|---|---|---|
| 3.15ct Oval, F colour, VS1Actual stone in our vault — IGI LG794658165 | $1,104 | Typically 4–8× more | Typically 2–4× more |
| Certification | IGI report + laser inscription, always | Often in-house or none | Varies by listing |
| Quality floor | E–F color / VS1–VVS2 / Excellent polish & symmetry | Wide mixed range on display | Everything, buyer beware |
| Price match | We beat any written quote by up to 10% | Rare ("sales final") | Identical SKUs only |
| Delivery | Free insured FedEx overnight | In-store pickup, often weeks | 5–10 business days |
| After the sale | 30-day returns · lifetime warranty · lifetime upgrade | Store credit if anything | Restocking fees common |
The Stone Is Step One. The Rest Is Coming.
Two big launches are on the way — be first in line.
Handcrafted Ring Settings 💍
Solitaires, hidden halos, pavé bands and cathedral settings — hand-finished to pair perfectly with your certified center stone.
The 3D Ring Studio ✨
Design your ring end-to-end: pick any certified stone, pair it with a setting, choose your metal, and preview it live before we forge it.
From Vault to Your Hand.
Four steps, no showroom markup, no pressure.
Pick your stone
Browse the vault and compare full IGI specs side by side. Every report number is live and verifiable before you spend a dollar.
Verify it yourself
Click through to igi.org and confirm the grading independently. We want you checking our work.
Order or reserve
Pay securely by card, or reserve the stone and speak to a gemologist first. Financing available on approval.
Insured overnight
FedEx Priority Overnight, fully insured with signature required, free anywhere in the USA — with 30 days to change your mind.
Questions? Straight Answers.
Everything buyers ask us most — no fine print.
Ready to see it in person?
Order online in minutes or book a virtual gemologist consultation — available 24 hours, 7 days a week. Free insured overnight shipping either way.