Your Bag
Your bag is empty
Explore our collections or book a private viewing.
Bracelets & Earrings
Featured Collections
- Beads & Materials
- House of Rivera
- Journal
- Login / Sign Up
- + By Appointment
Stone Portfolio
Rare Stones
At Rivera, we curate exceptional emeralds and diamonds of notable origin, clarity, and long-term value. Each stone is individually sourced, evaluated, and documented for collectors, designers, and investors.
By Invitation Only
The Private Reserve
Certain stones — including 10ct+ emeralds, D-color diamonds above 5 carats, and exceptional No-Oil specimens — are offered exclusively through private viewing. Access is extended by invitation or referral.
15 stones
Imperial Muzo Colombian
Carat
12.47 ct
Cut
Emerald Cut
Color
Vivid Green
Treatment
Minor Oil
Investment
Upon Request
Vivid Colombian Pear
Carat
7.31 ct
Cut
Pear
Color
Vivid Green
Treatment
No Oil
Investment
Upon Request
Colombian Oval — The Collector's Stone
Carat
5.12 ct
Cut
Oval
Color
Vivid Green
Treatment
Minor Oil
Price
$4,200,000
Muzo Cushion — The Vivid Green
Carat
3.84 ct
Cut
Cushion
Color
Vivid Green
Treatment
Minor Oil
Price
$1,850,000
Kagem Reserve — Zambian Emerald Cut
Carat
8.65 ct
Cut
Emerald Cut
Color
Deep Green
Treatment
Minor Oil
Investment
Upon Request
Zambian Bluish-Green Oval
Carat
4.22 ct
Cut
Oval
Color
Bluish Green
Treatment
Minor Oil
Price
$980,000
Zambian Round — Rare Brilliance
Carat
2.18 ct
Cut
Round
Color
Deep Green
Treatment
Minor Oil
Price
$420,000
Brazilian Nova Era Pear
Carat
6.44 ct
Cut
Pear
Color
Vivid Green
Treatment
Minor Oil
Price
$2,100,000
Brazilian Deep Cushion
Carat
1.95 ct
Cut
Cushion
Color
Deep Green
Treatment
Minor Oil
Price
$320,000
D Flawless Round Brilliant — 5.02ct
Carat
5.02 ct
Cut
Round
Color
D (Colorless)
Clarity
FL (Flawless)
Investment
Upon Request
Fancy Vivid Yellow — Radiant 4.18ct
Carat
4.18 ct
Cut
Radiant
Color
Fancy Vivid Yellow
Clarity
VS1
Investment
Upon Request
E / VVS1 Oval — 3.51ct
Carat
3.51 ct
Cut
Oval
Color
E (Colorless)
Clarity
VVS1
Price
$3,800,000
F / VVS2 Emerald Cut — 2.87ct
Carat
2.87 ct
Cut
Emerald Cut
Color
F (Colorless)
Clarity
VVS2
Price
$1,950,000
Fancy Vivid Pink — Pear 1.22ct
Carat
1.22 ct
Cut
Pear
Color
Fancy Vivid Pink
Clarity
VS2
Investment
Upon Request
D / IF Princess Cut — 3.03ct
Carat
3.03 ct
Cut
Princess
Color
D (Colorless)
Clarity
IF (Internally Flawless)
Price
$4,800,000
The Case for Rarity
Why InvestIn Emeralds.
Emeralds are among the rarest gemstones on earth. Unlike diamonds, fine emerald deposits are geographically limited — originating primarily from Colombia, Zambia, and Brazil — and increasingly difficult to source as historic mines deplete.
High-quality emeralds above 5 carats with strong saturation and minimal treatment represent fewer than 0.1% of global production. Supply is finite.
Read the Full Investment Case01
Limited Global Supply
Depleting Colombian mines, environmental regulation, and lower yield of high-clarity stones.
02
Growing Global Demand
Collector interest expanding in the US, Middle East, China, and India.
03
Auction Performance
Sustained interest at Christie's and Sotheby's for Colombian, No-Oil, and 5ct+ stones.
04
Portability & Discretion
High value in compact form. International mobility. Cross-generational transfer.
Collector Resource
Download The Rivera
Emerald Investment Guide
An exclusive introduction to understanding collector-grade emeralds — origin, treatment, certification, and the factors that define long-term value.
GIA · SSEF · Gübelin
Certified
Ethical Sourcing
Full Transparency
Global Delivery
Fully Insured
Traceable Origin
Chain of Custody
NDA Consultations
Available
Private Stone Advisory
Speak to aStone Advisor.
Every acquisition is handled with complete discretion. Our advisors are available for private consultations, NDA-protected discussions, and secure viewing arrangements worldwide.