Trusted Expertise in
High-Value Large Gems
& Jewelry Appraisals
Confidential valuations of rare and antique gems—five generations of heritage, 25+ years of global expertise.








850+ Clients Trust Us

Trusted Expertise in
High-Value Large Gems
& Jewelry Appraisals
Get consistent, high-quality chemical supplies delivered on time, every time.




850+ Clients Trust Us

Our Core Thing
Our Core Thing
Our mission, built on five generations as a trusted family of gem and jewellery professionals, is to provide precise, confidential, and internationally trusted valuations of high-value gemstones and fine jewellery—empowering clients to make informed decisions with confidence and integrity.
Our mission, built on five generations as a trusted family of gem and jewellery professionals, is to provide precise, confidential, and internationally trusted valuations of high-value gemstones and fine jewellery—empowering clients to make informed decisions with confidence and integrity.


Reliability
Trusted for timely, discreet appraisals that keep transactions moving without delay. Dependable service ensures confidence at every stage of the process.
Quality
Expert analysis using advanced gemological techniques delivers precise, fair valuations. Every detail is handled with care to meet the highest international standards.

Reliability
Trusted for timely, discreet appraisals that keep transactions moving without delay. Dependable service ensures confidence at every stage of the process.
Quality
Expert analysis using advanced gemological techniques delivers precise, fair valuations. Every detail is handled with care to meet the highest international standards.




Services we provide

High-Value Gemstone Appraisals
Expert evaluations of loose diamonds, coloured stones, and rare gems with advanced gemological analysis.

Luxury Jewelry Appraisals

Auction & Private Sale Valuations

GIA Certification




Services we provide

High-Value Gemstone Appraisals

Luxury Jewelry Appraisals
Certified appraisals for exquisite fine jewelry, including bespoke and vintage pieces.

Auction & Private Sale Valuations

GIA Certification

Services we provide

High-Value Gemstone Appraisals
Expert evaluations of loose diamonds, coloured stones, and rare gems with advanced gemological analysis.

Luxury Jewelry Appraisals

Auction & Private Sale Valuations

GIA Certification
The Difference We Make
Precision You Can Trust, Expertise You Can Count On
We go beyond appraisal—delivering clarity, confidence, and global credibility with every valuation.
The Difference We Make
Precision You Can Trust, Expertise You Can Count On
We go beyond appraisal—delivering clarity, confidence, and global credibility with every valuation.


8500+
Tested Stones
8,500 + lab-tested stones authenticated using advanced gemological equipment

8500+
Tested Stones
8,500 + lab-tested stones authenticated using advanced gemological equipment

GIA
Certification
We handle GIA and international lab certifications with secure, insured transport—personally managed by Steven—to ensure your gems are analysed with the highest standards and advanced equipment.

GIA
Certification
We handle GIA and international lab certifications with secure, insured transport—personally managed by Steven—to ensure your gems are analysed with the highest standards and advanced equipment.

GIA
Certification
We handle GIA and international lab certifications with secure, insured transport—personally managed by Steven—to ensure your gems are analysed with the highest standards and advanced equipment.
150+ legacy collections appraised for multi-generational family offices and estates
150+ legacy collections


150+ legacy collections appraised for multi-generational family offices and estates
150+ legacy collections

Achievements at a glance
Our Edge
in Excellence
Our Edge
in Excellence
With decades of specialised experience, deep gemological expertise, and a global network of trusted partners, we deliver unmatched precision in every appraisal. Our commitment to discretion, accuracy, and client-focused service sets us apart—ensuring each valuation meets the highest standards of excellence in the industry.
With decades of specialised experience, deep gemological expertise, and a global network of trusted partners, we deliver unmatched precision in every appraisal. Our commitment to discretion, accuracy, and client-focused service sets us apart—ensuring each valuation meets the highest standards of excellence in the industry.
Achievements at a glance
Our Edge in Excellence
With decades of specialised experience, deep gemological expertise, and a global network of trusted partners, we deliver unmatched precision in every appraisal. Our commitment to discretion, accuracy, and client-focused service sets us apart—ensuring each valuation meets the highest standards of excellence in the industry.
850+
Customers that
Trust Us
$30B
$30 Billion
Appraised Assets
25+
Years
EXperience
850+
Customers that
Trust Us
$30B
$30 Billion
Appraised Assets
25+
Years
EXperience

Key solutions
Protecting and Maximising the Value of Your Jewelry Assets
Risk Reduction
for High Value
Transactions
Minimising financial and legal exposure through expert verification of authenticity and market value.
Valuations for
Insurance,
Finance, and
Estate
Management
We specialise in precise valuations for insurance purposes, financial advisors, family offices, trustees, and private banks—offering discreet, expert support tailored to high-value gem and jewellery assets.
Market Insight for
Rare & Unique
Pieces
Offering strategic guidance based on global market trends to help clients understand the true worth of uncommon gems and jewelry.

Key solutions
Protecting and Maximising the Value of Your Jewelry Assets
Risk Reduction
for High Value
Transactions
Minimising financial and legal exposure through expert verification of authenticity and market value.
Valuations for
Insurance,
Finance, and
Estate
Management
We specialise in precise valuations for insurance purposes, financial advisors, family offices, trustees, and private banks—offering discreet, expert support tailored to high-value gem and jewellery assets.
Market Insight for
Rare & Unique
Pieces
Offering strategic guidance based on global market trends to help clients understand the true worth of uncommon gems and jewelry.

Key solutions
Protecting and Maximising the Value of Your Jewelry Assets
Risk Reduction
for High Value
Transactions
Minimising financial and legal exposure through expert verification of authenticity and market value.
Valuations for
Insurance,
Finance, and
Estate
Management
We specialise in precise valuations for insurance purposes, financial advisors, family offices, trustees, and private banks—offering discreet, expert support tailored to high-value gem and jewellery assets.
Market Insight for
Rare & Unique
Pieces
Offering strategic guidance based on global market trends to help clients understand the true worth of uncommon gems and jewelry.

4 Simple Steps
Effortless Appraisals, Unwavering Trust
01.
Contact Us
Reach out to schedule your appraisal—by phone, email, or our online form.
01.
Contact Us
Reach out to schedule your appraisal—by phone, email, or our online form.
02.
Secure Consultation
We discuss your needs and arrange a convenient time for an in-person or remote evaluation.
02.
Secure Consultation
We discuss your needs and arrange a convenient time for an in-person or remote evaluation.
03.
Professional Appraisal
Our expert conducts a detailed examination using advanced gemological tools and techniques.
03.
Professional Appraisal
Our expert conducts a detailed examination using advanced gemological tools and techniques.
04.
Receive Your Report
You get a comprehensive, certified appraisal report delivered securely—ready for insurance, sale, or estate planning.
04.
Receive Your Report
You get a comprehensive, certified appraisal report delivered securely—ready for insurance, sale, or estate planning.

4 Simple Steps
Effortless Appraisals, Unwavering Trust
01.
Contact Us
Reach out to schedule your appraisal—by phone, email, or our online form.
02.
Secure Consultation
We discuss your needs and arrange a convenient time for an in-person or remote evaluation.
03.
Professional Appraisal
Our expert conducts a detailed examination using advanced gemological tools and techniques.
04.
Receive Your Report
You get a comprehensive, certified appraisal report delivered securely—ready for insurance, sale, or estate planning.




Partner with Experts Who Value Precision
Benefits You’ll Gain
Unlock Confidence and Clarity with Every Appraisal
Experience expert valuations that protect your investments, simplify decisions, and enhance your peace of mind.
Benefits You’ll Gain
Unlock Confidence and Clarity with Every Appraisal
Experience expert valuations that protect your investments, simplify decisions, and enhance your peace of mind.
Fast
Delivery
We provide fast, reliable appraisal reports—delivered promptly without compromising accuracy or detail.


Fast
Delivery
We provide fast, reliable appraisal reports—delivered promptly without compromising accuracy or detail.

Experience reliable expertise that keeps your valuable collections accurately valued and confidently protected, every step of the way.



Bespoke
Valuations








Guaranteed consistency for seamless transactions and peace of mind.

Guaranteed consistency for seamless transactions and peace of mind.
Preferred Experts FOR
Real Stories, Real Success
Authentic Feedback from Our Valued Clients
Real Stories, Real Success
Authentic Feedback from Our Valued Clients
“Steven’s understanding of historical gemstones is exceptional. He identified, valued, and documented several 19th-century pieces in our collection with incredible accuracy—linking them to their original provenance and securing international certification.”
4.7/5
“Steven brings five generations of excellence to the table. His valuations are always detailed, reliable, and internationally recognised—an essential partner for insurance reporting.”
5/5
“Steven personally oversaw the secure transport and certification of our high-value diamond collection. The process was seamless and handled with absolute professionalism.”
4.9/5
“As a family office, we’ve worked with many appraisers—but Steven stands out for his integrity, accuracy, and deep generational expertise. He’s now our go-to for all gem and jewellery valuations.”
4.8/5
“Steven’s depth of knowledge is unmatched. He helped us value a rare heirloom sapphire with such precision that even our private banker was impressed. Completely trustworthy and discreet.”
4.5/5
“Steven’s understanding of historical gemstones is exceptional. He identified, valued, and documented several 19th-century pieces in our collection with incredible accuracy—linking them to their original provenance and securing international certification.”
4.7/5
“Steven brings five generations of excellence to the table. His valuations are always detailed, reliable, and internationally recognised—an essential partner for insurance reporting.”
5/5
“Steven personally oversaw the secure transport and certification of our high-value diamond collection. The process was seamless and handled with absolute professionalism.”
4.9/5
“As a family office, we’ve worked with many appraisers—but Steven stands out for his integrity, accuracy, and deep generational expertise. He’s now our go-to for all gem and jewellery valuations.”
4.8/5
“Steven’s depth of knowledge is unmatched. He helped us value a rare heirloom sapphire with such precision that even our private banker was impressed. Completely trustworthy and discreet.”
4.5/5
“Steven’s depth of knowledge is unmatched. He helped us value a rare heirloom sapphire with such precision that even our private banker was impressed. Completely trustworthy and discreet.”
4.5/5
“As a family office, we’ve worked with many appraisers—but Steven stands out for his integrity, accuracy, and deep generational expertise. He’s now our go-to for all gem and jewellery valuations.”
4.8/5
“Steven personally oversaw the secure transport and certification of our high-value diamond collection. The process was seamless and handled with absolute professionalism.”
4.9/5
“Steven brings five generations of excellence to the table. His valuations are always detailed, reliable, and internationally recognised—an essential partner for insurance reporting.”
5/5
“Steven’s understanding of historical gemstones is exceptional. He identified, valued, and documented several 19th-century pieces in our collection with incredible accuracy—linking them to their original provenance and securing international certification.”
4.7/5
FAQ
Have Questions?
We Have Answers
Have Questions?
We Have Answers
Find quick answers to the most common questions about our jewelry and gemstone appraisals.
FAQ
Have Questions?
We Have Answers
Find quick answers to the most common questions about our jewelry and gemstone appraisals.
What types of items can you appraise?
We appraise a wide range of fine jewelry, loose gemstones, diamonds, coloured stones, and rare or bespoke pieces.
What types of items can you appraise?
We appraise a wide range of fine jewelry, loose gemstones, diamonds, coloured stones, and rare or bespoke pieces.
How long does the appraisal process take?
How long does the appraisal process take?
Is my appraisal confidential?
Is my appraisal confidential?
Can appraisals be done remotely or only in person?
Can appraisals be done remotely or only in person?
How is the appraisal report used?
How is the appraisal report used?
What types of items can you appraise?
We appraise a wide range of fine jewelry, loose gemstones, diamonds, coloured stones, and rare or bespoke pieces.
How long does the appraisal process take?
Is my appraisal confidential?
Can appraisals be done remotely or only in person?
How is the appraisal report used?
Contact Us
Have Questions?
We Have Answers
Get in touch today for expert appraisals, personalised service, and trusted results. Let’s protect your valuable assets together.