18K Yellow Gold $43,500 Factory Blue Diamond Dial · Ref. 116618LB
Rolex Submariner
All-gold case with the rare factory blue diamond dial. Full set.
Ref. 116618LB Authenticated Full Set
Est. in the Diamond District · NYC
Grail watches.
Diamonds made to order.
Authenticated luxury timepieces and handcrafted custom jewelry — set with certified natural & lab-grown diamonds, ethically sourced, and insured to your door across the USA.
- 15+
- Years in NYC
- GIA
- Certified Stones
- 100%
- Insured Shipping
Certified stone
2.66 CT
Color E · VVS
Full set
Authenticated
Verified in NYC
Certified Diamonds Natural & Lab-Grown
Ethically Sourced Conflict-free, always
Insured Shipping Within the USA
Diamond District New York City
The Vault · Timepieces
Authenticated luxury watches
Hand-selected Rolex, Audemars Piguet and Panerai — full sets, verified, and often the cheapest in the market.
18K Yellow Gold $43,500 
18K Everose Gold $44,000 “Rootbeer” · Ref. 126715CHNR
Rolex GMT-Master II
Brand new Everose Rootbeer — cheapest in the market. Full set.
Ref. 126715CHNR Brand New Full Set
18K Yellow Gold $88,000 “John Mayer” Green Dial · Ref. 126508
Rolex Daytona
Discontinued vibrant green dial. The collector’s grail. Full set.
Ref. 126508 Discontinued Full Set
18K Yellow Gold $97,500 Tiffany Blue Dial · Oysterflex · Ref. 126518LN
Rolex Daytona
Turquoise Tiffany-blue dial on Oysterflex. Cheapest in the market.
Ref. 126518LN Brand New Full Set
Stainless Steel Inquire Royal Oak Selfwinding · Ref. 15500ST
Audemars Piguet
Iconic “Grande Tapisserie” dial. Authenticated with papers.
Ref. 15500ST Authenticated Box & Papers
Stainless Steel Inquire GMT Automatic · Ref. PAM01321
Panerai Luminor
Bold cushion case with dual-time complication. Full set.
Ref. PAM01321 Authenticated Full Set
Handcrafted · Diamonds
Custom jewelry, made to your brief
Every piece is designed and hand-finished in our Diamond District workshop — from iced-out Cuban links to investment-grade fancy color diamonds.
Chains & Bracelets Chains & Bracelets
Iced-Out Cuban Link
Hand-set Cuban links, fully iced in VS diamonds. Built to your width, length and gold.
VS Clarity 14K / 18K Gold Custom
Bracelets Bracelets
Diamond Tennis Bracelet
A continuous line of perfectly matched round brilliants. The everyday icon, done right.
Color E VVS 4–15 ct
Rare & Natural Rare & Natural
Fancy Pink Diamonds
Natural heart-shape pink diamonds — 4 carat each, 8 carat total. Investment-grade rarity.
Natural Fancy Heart Shape 8 ct total
Bridal Bridal
Bespoke Engagement Rings
Designed with you from a loose certified stone to the final hand-finished setting.
GIA Certified Custom Setting Any Cut
Necklaces Necklaces
Diamond Tennis Necklace
A river of light around the neck. Graduated or uniform, in white, yellow or rose gold.
Color E–F VVS–VS 10 ct+
Made to Order Made to Order
Custom Diamond Bracelet
“15.00 cts of bliss” — handmade and crafted in the Diamond District, entirely to your brief.
15 ct Handmade Custom
Bespoke · By Hand
From a loose stone to a lifetime piece
“15.00 carats of bliss — handmade & crafted by Fantasy Diamonds.” Our custom process turns an idea into an heirloom, with you guiding every decision.
- 01
Consultation
Tell us the vision — in person at our showroom or over a private video call.
- 02
Design
We render your piece and refine every proportion until it’s exactly right.
- 03
Source Certified Stones
We hand-pick GIA-certified diamonds to your carat, color and clarity.
- 04
Handcraft
Master jewelers set and finish your piece by hand in the Diamond District.
- 05
Delivered & Insured
Your finished piece ships fully insured, anywhere in the USA.
The Standard
Certified to the carat
Every diamond we sell is graded against the 4Cs and backed by independent certification. No guesswork — just stones you can trust.
C
Carat
Weight, and presence. From a delicate solitaire to 15 carats of statement.
C
Color
We trade in the rare end of the scale — colorless D–F, and natural fancy colors.
C
Clarity
VVS and VS stones, chosen so brilliance reads clean to the naked eye.
C
Cut
The craft that makes light dance. Precision faceting on every stone we set.
GIA Certified Natural & Lab-Grown Ethically Sourced Conflict-Free Fully Insured
Our House
A family name on 47th Street
For over fifteen years, Fantasy Diamonds has been a fixture of New York’s Diamond District — trusted by collectors, couples and the city’s tastemakers alike.
We pair the inventory of a serious watch dealer with the workshop of a true custom jeweler. Whether you want a grail timepiece or a piece drawn entirely from your imagination, you deal directly with the people who source the stones and set them by hand.
2,500+
Followers & counting
★★★★★
Client reviews
“They built my Cuban link exactly how I drew it up — the diamonds are blinding and it came back faster than promised. Real ones.”
“Found my wife’s dream Daytona here, full set, for thousands less than anywhere else. Walked out feeling like family.”
“They sourced a natural pink heart-shape diamond for our engagement ring. GIA certified, ethically sourced, absolutely flawless service.”
Visit · Enquire
Book a private viewing
Come see the collection in person, or tell us what you’re looking for and we’ll bring it to you. Every enquiry is handled personally.
- The Showroom
-
580 Fifth Avenue, Diamond District
New York, NY 10036 (sample address) - Hours
- Mon–Fri 10am–6pm · Sat 11am–5pm · Sun by appointment
- Direct message
- @fantasydiamondsnyc · DM us anytime for enquiries