Diamonds & Gemstones
Understand grading, light performance, and how to shop natural vs lab-grown stones.
Start with the grading guide
Holiday Hours
Mon-Sat: 10:30-6:30
Sun: 11:00-6:00
Wed (Christmas Eve): 10:00-5:00
1.800.495.2630
713.784.1000
Holiday Hours
Mon-Sat: 10:30-6:30 | Sun: 11:00-6:00
Wed (Christmas Eve): 10:00-5:00
1.800.495.2630
713.784.1000
Use these guides before or after your showroom visit so you can compare stones, understand policies, and care for heirlooms with confidence.
Understand grading, light performance, and how to shop natural vs lab-grown stones.
Start with the grading guideLearn how we vet suppliers, conflict-free assurances, and disclosure standards.
Read ethical sourcing basicsPlan budgets, compare financing, and leverage the lifetime trade-in policy.
See how trade-ins workKnow what to expect from on-site repairs, cleanings, and same-day support.
View repair FAQsRespect interval schedules, water resistance checks, and strap/bracelet care.
Check watch service intervalsDiscover how local gold buying compares to mail-in programs and how appraisals work.
Get the selling guideCompare sparkle, value retention, ethics, and resale expectations across stone types so you can explain your choice to anyone who asks.
Read the comparison