If you are already Fairmined certified and you are seeing this message please email us at
‘Info@rivaprecision.com’ with your login Email and your Fairmined license ID. If you are not Fairmined licensed
and would like to become licensed please head to this link
Fairmined (Become a Licensed Brand)
it is a simple and straightforward process.
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Free Shipping for orders $500+
Brooklyn Based 35+ years of expertise
Delivery Time
Ships in 5 business days, handcrafted in Brooklyn.
Petite 3-prong martini-style stud earring in Gold and Platinum. Each is precisely designed to fit round gemstone, offering in multiple silhouette ideal for fine jewelry stud earrings.
Crafted with precision and consistency, these mountings are a RIVA Precision Manufacturing exclusive, designed for jewelers who value quality. Stones are optional, allowing full customization with your preferred gemstones.
Details:
Material: Gold or Platinum
Stone Size: Designed for 3.2mm - 11.1mm round stone
Setting Style: 3-prong martini stud mounting
Use: Fine jewelry earrings / gemstone stud earrings
Availability: Sold by the pair
Prong style: Round: not pre-notched
Setting type: 3-prong cocktail-style
Post Size: 0.75mm
To hold stone size:
MM WEIGHT
3.2 0.24
4.0 0.3
4.2 0.36
5.0 0.42
5.7 0.49
6.4 0.52
6.7 0.63
7.3 0.89
8.0 0.99
8.6 1.23
9.2 1.44
10.2 1.85
11.1 2.18
Does not come with friction back.
Stones not included, unless selected.
Sold in a pair.
At RIVA, integrity guides everything we do. We source only from trusted partners, uphold safe working conditions, and craft every piece with respect and responsibility, it’s in our DNA.
Shipping Options:
FedEx Standard
FedEx 2Day
FedEx Standard Overnight
International Available
Return Timeframes:
Manufacturer's Defect: Return within 30 days for a full refund.
Other Reasons: Return within 14 days for a full refund.
After 14 Days: Returns after 14 days will incur a 25% restocking fee.
After 30 Days: Unfortunately, returns are not accepted after 30 days.
Yes! We sell chains in increments of 12 inches. This allows you to order exactly the length you need while keeping it simple for wholesale or custom projects.
Fairmined Ecological Gold is produced under the same strict Fairmined standards for social, organizational, and economic responsibility as Fairmined Gold. The key difference is that, while Fairmined Gold involves responsible management and reduced use of toxic chemicals like mercury and cyanide, Ecological Gold is extracted without using any toxic chemicals at all.
To become Fairmined certified, you’ll need to apply to become a licensed Fairmined brand. Start by contacting the Fairmined team directly, who will guide you through the certification and licensing process ----> https://fairmined.org/contact/
Most of our pieces are handcrafted locally at our Brooklyn-based facility, where quality and craftsmanship are at the heart of everything we do.
Fairmined Ecological Gold
RIVA is one of the few U.S. manufacturers offering chains, findings, and jewelry crafted from 100% certified Fairmined Ecological gold. Fairmined ensures ethical sourcing, fair wages, safer working conditions, and reduced environmental impact. Choosing Fairmined gold from RIVA means enjoying beautiful craftsmanship while supporting artisanal mining communities in South America.
