Every bespoke jewel begins with your story.
With more than 16 years of experience, Sidsel is a GIA Graduate Gemologist and leading expert in natural diamonds and rare gemstones. Through her global network, she sources exceptional stones for private clients and creates bespoke jewellery around them — always with discretion, integrity and a highly selective eye.
The Insider is an exclusive circle for collectors, entrepreneurs and families with an interest in rare diamonds, market insights and timeless beauty.
Rare Diamond Opportunities
Market Insights & Global Perspectives
Private Events & The Insider Evenings
By Invitation Only
A diamond is more than a symbol of love — it can mark a new beginning, a milestone or a personal transformation.
Sidsel founded DALBY DIAMONDS to do things differently — combining deep expertise with a highly personal approach and creating a space where trust, aesthetics and knowledge come together.
A bespoke jewel is more than a precious object. It is a reflection of your journey, your values, and your legacy.
“Sidsel’s background as a gemologist makes all the difference. She truly knows what she’s talking about – Her rare expertise and distinguished education set her apart. With a signature blend of global luxury and exquisite craftsmanship, Sidsel creates jewels beyond compare.”
“Great service, very friendly and informative. Made the pressure of buying an engagement ring so much easier.”
“So happy I found Dalby Diamonds! Great communication, my ring arrived faster than expected, quality craftsmanship, and most importantly price compatitive. I live in Australia and ordered the ring online/email. A little nervous committing without actually seeing the item first but Dalby Diamonds rest assured me throughout the process. I am very happy with it. I would 100% recommend them to international buyers.”
“Great service, excellent value for money. My trusted advisor that goes above and beyond when it comes to client service and professionalism.”
An exclusive selection of one-of-a-kind creations, crafted for private clients around the world. Every piece is unique. Every story is personal.
Sidsel Dalby creates exceptional jewellery for clients who seek something truly personal. Every piece begins with the careful selection of a rare natural diamond or coloured gemstone, sourced through a trusted international network built over more than 16 years.
Working closely with each client, she creates one-of-a-kind jewels that celebrate life’s defining moments. Discreet, personal and crafted to last for generations.
Every bespoke jewel begins with a private conversation.
Working with clients internationally, the first conversation is often held by phone or WhatsApp before arranging a private meeting.
Access for selected customers