- Alexandrite
- Amethyst
- Aquamarine
- Black Diamond
- Blue Sapphire
- Blue Topaz
- Citrine
- Created Opal
- Created Ruby
- Created Sapphire
- Cubic Zirconia
- Diamond
- Diamond Accent
- Emerald
- Garnet
- Jade
- London Blue Topaz
- Marcasite
- Morganite
- Mystic Topaz
- Opal
- Pearl
- Peridot
- Ruby
- Sapphire
- Tanzanite
- Tiger Eye
- Topaz
- Turquoise
- White Topaz
- Alexandrite
- Amethyst
- Aquamarine
- Black Diamond
- Blue Sapphire
- Blue Topaz
- Citrine
- Created Opal
- Created Ruby
- Created Sapphire
- Cubic Zirconia
- Diamond
- Diamond Accent
- Emerald
- Garnet
- Jade
- London Blue Topaz
- Marcasite
- Morganite
- Mystic Topaz
- Opal
- Pearl
- Peridot
- Ruby
- Sapphire
- Tanzanite
- Tiger Eye
- Topaz
- Turquoise
- White Topaz
26 products
Sterling Silver Created Ruby and White Topaz Round Halo Necklace
P14494R1
Regular price $28.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 2GR |
| Length | 18IN |
| Width | 9.9MM |
| Height | 9.9MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | round-shape |
| Total Weight | 0.9 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | white-topaz |
| Number of Stones | 16 |
| Stone Shape | round-shape |
| Total Weight | 0.17 |
| Setting Type | prongs |
| Stone Creation Method | natural |
| Stone Treatment Method | Heat-treated |
Yellow Gold Flashed Sterling Silver Created Ruby 5mm Round Solitaire Necklace
PG13982R1
Regular price $20.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | yellow-gold-flashed-silver |
| Metal Stamp | 925-sterling |
| Weight | 1.3GR |
| Length | 18IN |
| Width | 5MM |
| Height | 10MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Color | red |
| Stone Shape | round-shape |
| Total Weight | 0.42 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Rose Gold Flashed Sterling Silver Small Dainty Created Ruby Heart Choker Necklace
NRG15362R1
Regular price $15.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | rose-gold-flashed-silver |
| Metal Stamp | 925-sterling |
| Weight | 1.6GR |
| Length | 13IN |
| Width | 6MM |
| Height | 6MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 13 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | round-shape |
| Total Weight | 0.76 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby 7mm Heart Solitaire Necklace
P11686R1
Regular price $22.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 1.3GR |
| Length | 18IN |
| Width | 7MM |
| Height | 13.5MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 2 |
| Stone Shape | heart-shape |
| Total Weight | 1.25 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Yellow Gold Flashed Sterling Silver Created Ruby 6x4mm Oval Solitaire Necklace
PG13984R1
Regular price $22.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | yellow-gold-flashed-silver |
| Metal Stamp | 925-sterling |
| Weight | 1.2GR |
| Length | 18IN |
| Width | 4MM |
| Height | 11.5MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Color | red |
| Stone Shape | oval-shape |
| Total Weight | 0.48 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Yellow Gold Flashed Sterling Silver Created Ruby Celtic Trinity Knot Teardrop Necklace
PG15575R1
Regular price $25.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | yellow-gold-flashed-silver |
| Metal Stamp | 925-sterling |
| Weight | 2.3GR |
| Length | 18IN |
| Width | 9MM |
| Height | 31MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | pear-shape |
| Total Weight | 0.52 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby Celtic Knot Oval Drop Necklace
P15577R1
Regular price $21.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 2GR |
| Length | 18IN |
| Width | 9MM |
| Height | 22MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | oval-shape |
| Total Weight | 0.64 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby & White Topaz Heart Double Twist Necklace
P14564R1
Regular price $20.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 2.85GR |
| Length | 19.2MM |
| Width | 9.45MM |
| Height | 5.3MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | heart-shape |
| Total Weight | 2 |
| Setting Type | 3-prong |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | white-topaz |
| Number of Stones | 10 |
| Stone Shape | round-shape |
| Total Weight | 0.11 |
| Setting Type | prongs |
| Stone Creation Method | natural |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby and White Topaz Oval Crown Necklace
P15516R1
Regular price $27.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 2.1GR |
| Length | 18MM |
| Width | 6MM |
| Height | 13MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | oval-shape |
| Total Weight | 1.05 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | white-topaz |
| Number of Stones | 11 |
| Stone Shape | round-shape |
| Total Weight | 0.13 |
| Setting Type | prongs |
| Stone Creation Method | natural |
| Stone Treatment Method | Heat-treated |
Rose Gold Flashed Sterling Silver Created Ruby 6x4mm Oval Solitaire Necklace
PRG13984R1
Regular price $13.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | rose-gold-flashed-silver |
| Metal Stamp | 925-sterling |
| Weight | 1.2GR |
| Length | 18IN |
| Width | 4MM |
| Height | 11.5MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Color | red |
| Stone Shape | oval-shape |
| Total Weight | 0.48 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Yellow Gold Flashed Sterling Silver Created Ruby Celtic Knot Oval Drop Necklace
PG15577R1
Regular price $18.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | yellow-gold-flashed-silver |
| Metal Stamp | 925-sterling |
| Weight | 2GR |
| Length | 18IN |
| Width | 9MM |
| Height | 22MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | oval-shape |
| Total Weight | 0.64 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Yellow Gold Flashed Sterling Silver Created Ruby Oval Celtic Knot Dangling Drop Necklace
PG15573R1
Regular price $19.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | yellow-gold-flashed-silver |
| Metal Stamp | 925-sterling |
| Weight | 2.4GR |
| Length | 18IN |
| Width | 6MM |
| Height | 26MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | oval-shape |
| Total Weight | 0.725 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Yellow Gold Flashed Sterling Silver Created Ruby and Cubic Zirconia Accents Round Halo Necklace
PG14494R1
Regular price $18.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | yellow-gold-flashed-silver |
| Metal Stamp | 925-sterling |
| Weight | 2GR |
| Length | 18IN |
| Width | 9.9MM |
| Height | 9.9MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Color | red |
| Stone Shape | round-shape |
| Total Weight | 0.89 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | cubic-zirconia |
| Number of Stones | 16 |
| Stone Shape | round-shape |
| Total Weight | 0.24 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby Round Oxidized Rope Pendant Necklace
P15834R1
Regular price $25.00 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 3GR |
| Length | 18IN |
| Width | 14MM |
| Height | 14MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | round-shape |
| Total Weight | 1.6 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby Celtic Trinity Knot Teardrop Necklace
P15575R1
Regular price $20.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 2.3GR |
| Length | 18IN |
| Width | 9MM |
| Height | 31MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | pear-shape |
| Total Weight | 0.52 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby Oval Celtic Knot Dangling Drop Necklace
P15573R1
Regular price $20.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 2.4GR |
| Length | 18IN |
| Width | 6MM |
| Height | 26MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | oval-shape |
| Total Weight | 0.725 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby and White Topaz Oval Fashion Necklace
P15401R1
Regular price $27.00 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 3GR |
| Length | 18IN |
| Width | 10MM |
| Height | 25MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Color | red |
| Stone Shape | oval-shape |
| Total Weight | 2 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | white-topaz |
| Number of Stones | 18 |
| Stone Color | white |
| Stone Shape | round-shape |
| Total Weight | 0.18 |
| Setting Type | prongs |
| Stone Creation Method | natural |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | white-topaz |
| Number of Stones | 4 |
| Stone Color | white |
| Stone Shape | round-shape |
| Total Weight | 0.06 |
| Setting Type | prongs |
| Stone Creation Method | natural |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby and White Topaz Oval Necklace
P15265R1
Regular price $25.00 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 2.4 |
| Length | 18IN |
| Width | 8MM |
| Height | 24MM |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Color | red |
| Stone Shape | oval-shape |
| Total Weight | 2.7 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | white-topaz |
| Number of Stones | 3 |
| Stone Shape | marquise-shape |
| Total Weight | 0.58 |
| Setting Type | prongs |
| Stone Creation Method | natural |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | white-topaz |
| Number of Stones | 1 |
| Stone Shape | round-shape |
| Total Weight | 0.039 |
| Setting Type | prongs |
| Stone Creation Method | natural |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby and Marcasite Halo Necklace
P15205R1
Regular price $27.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 2.8GR |
| Length | 18IN |
| Width | 12.5MM |
| Height | 12.5MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Color | red |
| Stone Shape | round-shape |
| Total Weight | 2.2 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | marcasite |
| Number of Stones | 20 |
| Stone Shape | round-shape |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby and Diamond Accent Heart Necklace
P14830R1
Regular price $28.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 2.1GR |
| Width | 9MM |
| Height | 16MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | heart-shape |
| Total Weight | 2 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | diamond |
| Number of Stones | 1 |
| Stone Color | J-K |
| Stone Clarity | I3 |
| Stone Shape | round-shape |
| Total Weight | 0.01 |
| Setting Type | prongs |
| Stone Creation Method | natural |
| Stone Treatment Method | Not-treated |
Sterling Silver Created Ruby & White Topaz Trillion-Cut Necklace
P14024R1
Regular price $20.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 1.9GR |
| Length | 18IN |
| Width | 8.75MM |
| Height | 15MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Color | red |
| Stone Shape | triangle-shape |
| Total Weight | 0.428 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | white-topaz |
| Number of Stones | 19 |
| Stone Color | white |
| Stone Shape | round-shape |
| Total Weight | 0.19 |
| Setting Type | prongs |
| Stone Creation Method | natural |
| Stone Treatment Method | Heat-treated |
Sterling Silver Small Dainty Created Ruby Heart Choker Necklace
N15362R1
Regular price $19.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 1.6GR |
| Length | 13IN |
| Width | 6MM |
| Height | 6MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 13 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | heart-shape |
| Total Weight | 0.76 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Yellow Gold Flashed Sterling Silver Small Dainty Created Ruby Heart Choker Necklace
NG15362R1
Regular price $15.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | yellow-gold-flashed-silver |
| Metal Stamp | 925-sterling |
| Weight | 1.6GR |
| Length | 13IN |
| Width | 6MM |
| Height | 6MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 13 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | heart-shape |
| Total Weight | 0.76 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Rose Gold Flashed Sterling Silver Small Dainty Round Created Ruby Choker Necklace
NRG15363R1
Regular price $16.00 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | rose-gold-flashed-silver |
| Metal Stamp | 925-sterling |
| Weight | 1.7GR |
| Length | 13IN |
| Width | 6MM |
| Height | 6MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 13 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | round-shape |
| Total Weight | 0.89 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby and White Topaz X and Teardrop Necklace
P13969R1
Regular price $26.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 2.7GR |
| Width | 9MM |
| Height | 20MM |
| Clasp Type | spring-ring |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Color | ruby-red |
| Stone Shape | pear-shape |
| Total Weight | 1.4 |
| Setting Type | prongs |
| Stone Creation Method | simulated |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | white-topaz |
| Number of Stones | 30 |
| Stone Shape | round-shape |
| Total Weight | 0.3 |
| Setting Type | prongs |
| Stone Creation Method | natural |
| Stone Treatment Method | Heat-treated |
Sterling Silver Created Ruby and White Topaz Infinity Twist Teardrop Necklace
P14837R1
Regular price $23.99 Save Liquid error (snippets/product-template line 123): Computation results in '-Infinity'%| Metal Type | sterling-silver |
| Metal Stamp | 925-sterling |
| Weight | 2.6GR |
| Length | 18IN |
| Width | 1.1MM |
| Height | 24.75MM |
| Clasp Type | spring-ring |
| Chain Type | rolo |
| Chain Length | 18 |
| Stone Details | |
|---|---|
| Gem Type | created-ruby |
| Number of Stones | 1 |
| Stone Shape | pear-shape |
| Total Weight | 0.2 |
| Setting Type | prongs |
| Stone Creation Method | synthetic |
| Stone Treatment Method | Heat-treated |
| Stone Details | |
|---|---|
| Gem Type | white-topaz |
| Number of Stones | 27 |
| Stone Shape | round-shape |
| Total Weight | 0.15 |
| Setting Type | prongs |
| Stone Creation Method | natural |
| Stone Treatment Method | Heat-treated |