Katy’s Most Trusted Diamond Buyer
For more than twenty years, we’ve built our reputation as one of the Southwest’s leading diamond buyers, now proudly serving clients throughout the Houston area. Unlike buyers who act as intermediaries and sell to larger dealers—often resulting in lower offers—we operate as a direct buyer and are among the region’s largest estate jewelry purchasers. Because we acquire diamonds directly from sellers for our own retail stores, we’re able to offer substantially higher payouts, supported by an inventory of more than $25,000,000 in fine jewelry across our locations.
★★★★★
1500+ Reviews
★★★★★
200+ reviews
★★★★★
A+ rating
Sell Your Diamond Today
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Comprehensive In-Person Diamond Assessment
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Obligation-Free, Market-Based Cash Offer
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Get Paid Immediately for Your Diamond
Comprehensive In-Person Diamond Assessment
Call or text to come in today!
★★★★★
I took my 2.75 carat cushion cut diamond to Don at Estate and he made me the highest offer...by far.
Susanna J.
Google Review
★★★★★
I went to another diamond buyer and he offered $1750 less than Jill did.
Mark W.
Google Review
SCHEDULE YOUR FREE EVALUATION TODAY!
CALL
303-945-3294
Get the Highest Value for Your Diamond in Houston
GIA-Trained Diamond Experts
Our diamond assessments are performed by specialists with advanced training from the Gemological Institute of America (GIA). With deep industry knowledge, they evaluate each diamond’s color, clarity, and cut with precision, providing accurate grading and competitive offers that reflect current market conditions.
Licensed and Top-Rated
As a fully licensed diamond and jewelry buyer, we’ve built a reputation grounded in integrity and professionalism. With an A+ rating from the Better Business Bureau and over 1,500 verified Google reviews averaging 4.9 stars, we’re proud to be a trusted and reliable option for diamond sellers across the region.
Houston’s Premier Buyer of 1+ Carat Diamonds
With a strong presence both in-store and online, we work directly with qualified buyers to secure the highest market value for your diamonds. Whether you're selling a GIA-certified stone, an engagement ring, or a loose diamond, we deliver fair, top-value offers and a smooth, transparent selling experience for clients throughout the Katy area.
Over 1500 Reviews - 4.9 Star Rating
Certified Gemological Institute Of America Jewelry Professionals
Diamond Jewelry We’re Purchasing in Houston
At our Katy buying office, we welcome all types of diamond jewelry. Whether you’re selling a family heirloom or a piece you no longer wear, our GIA-certified specialists provide expert evaluations and competitive offers based on current market value.
Custom Diamond Jewelry
We understand the uniqueness of custom-made diamond jewelry. Whether modern or traditional, we assess each piece individually and provide competitive offers based on craftsmanship and diamond value.
Loose Diamonds
Selling a GIA or EGL-certified loose diamond? We specialize in evaluating single diamonds 0.50 carats and up — especially 1+ carat stones — with immediate offers based on clarity, cut, color, and current demand.
Antique and Vintage Diamond Jewelry
Bring us your Art Deco, Edwardian, or Victorian-era pieces. We understand the unique characteristics and rarity of vintage diamond jewelry and pay accordingly.
Designer Diamond Jewelry
If you’re selling designer pieces from brands like Tiffany & Co., Cartier, or Harry Winston, our team can offer top-tier market value backed by real expertise.
Diamond Wedding Bands
From classic eternity bands to unique custom designs, we value every detail and provide accurate assessments based on diamond quality and craftsmanship.
Engagement Rings
We purchase diamond engagement rings in all shapes and settings — solitaires, halos, vintage, or custom pieces. Your ring’s sentimental value meets our market expertise for a fair, premium offer.
VISIT US TODAY FOR A NO-OBLIGATION OFFER!
Transparent and Dependable – Your Trusted Diamond Buyer
Selling your diamond is an important decision, and choosing a reputable buyer gives you confidence and peace of mind. Our clear, streamlined process provides fair, competitive offers backed by expert evaluations. Whether you’re selling an engagement ring or a loose diamond, we deliver excellent value along with a smooth and trustworthy selling experience.
Our Step-by-Step Process for Buying Diamonds
1) DIAMOND EVALUATION
Our expert diamond buyers will carefully assess your diamond while you are present at our office. We evaluate its color, clarity, cut, size, and lab certification
2) NO-OBLIGATION OFFER
After a thorough assessment, we provide a competitive, no-obligation cash offer based on current market trends. If you choose to sell, you can complete the process the same day.
3) IMMEDIATE PAYMENT
Once you accept our offer, we finalize a few simple forms and issue instant payment on the spot. Selling your diamond has never been easier or more transparent.
Diamonds We’ve Recently Added to Our Collection
3.07 Carat GIA-Certified Round
We purchased this platinum solitaire engagement ring featuring a 3.07 ct. GIA-certified I-VS1 center stone, offering $1,475 more than a competing diamond buyer.
1.65 Carat Cushion Cut Halo Ring
This 14k White Gold 1.65 Carat Cushion Cut Halo Diamond Ring was acquired for $875 more than the highest offer the seller received from another jewelry buyer.
2.06 Carat Radiant Cut Gold Ring
Our team recently bought this 14k Yellow Gold 2.06 EGL USA-certified K-VS2 Radiant Cut Diamond Ring, exceeding another buyer’s offer by $650.
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"I compared two different jewelry stores before selling my diamond ring with Tyler. I can see why they're rated so high!"
Google Review
Grace J.
Thinking About Selling Your Diamond? Our Experts Are Ready to Help.
As a trusted estate jewelry buyer, we’re recognized for delivering expert evaluations and strong offers for fine diamond pieces, including Cartier diamond watches and premium engagement rings. For a smooth, stress-free selling experience, visit our private buying office in Katy—open five days a week with same-day appointments available. Book your visit today!
The Estate Watch & Jewelry Company
7121 East 5th Avenue, Suite 23, Scottsdale, AZ 85251