Gemstone jewelry — SOSNA Diamonds house designs
Catalog · Gemstone JewelryPrague · Miami · Dubai · Bangkok

Signature designs, made to order.

A curated catalog of house designs by SOSNA Diamonds. Each piece is executed in one Prague atelier — 18-karat gold or platinum 950 — around a single certified natural colored gemstone. Lead time 4–8 weeks.

Certified natural stones only
18k gold · platinum 950
Made in our own atelier
Discreet worldwide delivery
Independently verified by
  • GIA — gemological laboratory
  • SSEF — gemological laboratory
  • Gübelin — gemological laboratory
  • HRD Antwerp — gemological laboratory
  • IGI — gemological laboratory
Catalog vs. Bespoke

When to choose the catalog

The catalog is a curated set of proven house designs. Each piece is made to order in our Prague atelier — faithful to the design shown, but set with your chosen stone and in your specifications. Lead time 4–8 weeks.

To create a piece from scratch, with original drawing and personal consultation with the designer, see bespoke (1:1 commission). Bespoke runs 10–16 weeks and includes CAD, prototyping and signature by Lucia Sosna.

01
Category

Rings

Solitaires, three-stones and cocktail rings, each drawn around a single certified colored stone.

Ring with emerald-cut Colombian emerald in 18k gold
SG-R-001

Emeraude Colonne

Stone
Natural Colombian emerald · emerald cut
Metal
18k yellow gold · baguette diamond shoulders
Lead
4–8 weeks, made to order
Cushion sapphire ring in platinum with half-moon diamonds
SG-R-002

Sapphire Halo Bezel

Stone
Natural royal-blue sapphire · cushion
Metal
Platinum 950 · half-moon diamond flanks
Lead
4–8 weeks, made to order
Oval ruby ring in 18k yellow gold
SG-R-003

Rubis Grandeur

Stone
Natural pigeon-blood ruby · oval
Metal
18k yellow gold · pavé shoulders
Lead
4–8 weeks, made to order
02
Category

Pendants

Single-stone pendants and halo pendants on hand-drawn 18k or platinum chains.

Ruby cabochon pendant with diamond halo in rose gold
SG-P-001

Cabochon Ruby Halo

Stone
Natural ruby cabochon
Metal
18k rose gold · diamond halo · fine chain
Lead
4–8 weeks, made to order
Emerald solitaire pendant in 18k yellow gold
SG-P-002

Emeraude Solitaire

Stone
Natural emerald · emerald cut
Metal
18k yellow gold · four-prong
Lead
4–8 weeks, made to order
03
Category

Earrings

Drops, clusters and matched pairs — a discipline of symmetry between two stones from the same origin.

Paraiba tourmaline drop earrings with diamond cluster tops
SG-E-001

Paraiba Drops

Stone
Matched pair · natural Paraíba tourmalines · pear
Metal
18k white gold · diamond cluster tops
Lead
4–8 weeks, made to order
Sapphire pear drop earrings in platinum
SG-E-002

Sapphire Pear Drops

Stone
Matched pair · natural blue sapphires · pear
Metal
Platinum 950 · diamond bail
Lead
4–8 weeks, made to order
04
Category

Bracelets

Line bracelets and cocktail bracelets composed of matched, calibrated colored stones.

Emerald and diamond baguette line bracelet in 18k gold
SG-B-001

Emerald–Diamond Line

Stone
Natural emerald baguettes · alternating diamond baguettes
Metal
18k yellow gold
Lead
4–8 weeks, made to order
05
Category

Necklaces & Sets

Coordinated suites — necklace, earrings, ring — designed together, sourced together, delivered together.

Sapphire halo suite — ring and drop earrings in platinum
SG-S-001

Sapphire Halo Suite

Stone
Matched natural blue sapphires · ring + drops
Metal
Platinum 950 · diamond micro-pavé
Lead
4–8 weeks, made to order
Sapphire solitaire pendant necklace in 18k white gold
SG-N-001

Sapphire Solitaire Necklace

Stone
Natural blue sapphire · pear
Metal
18k white gold · fine chain
Lead
4–8 weeks, made to order
From catalog to piece

Four steps. One house. Four to eight weeks.

1 · Inquiry

You choose a design. We confirm stone availability and budget.

2 · Stone selection

We present 2–4 certified candidates (GIA / SSEF / Gübelin). You choose.

3 · Making

Handcrafted in our Prague atelier. Photographic updates during production.

4 · Delivery

Insured, discreet worldwide delivery. Hand-delivery on request.

Begin a piece from the catalog

Quote the piece code from the catalog — we reply within 24 hours.

Natural stones only · No investment or resale promises