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South Coast - Loose Gemstones

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Item Ships From: South Coast
Loose GIA Certifed 0.94ct J Si1 Old European Cut Diamond
Located in Amsterdam, NL
This is an a geniune antique 0.94ct old european cut diamond. The color is J and the clarity is Si1; the diamond faces up quite white and it is eye-clean. Importantly, it is GIA certified. The diamond will come in a black velvet display case...
Category

1890s Antique South Coast - Loose Gemstones

Materials

Diamond

GIA Certified Old-Mine Cut Loose Diamond 1.08ct
Located in Laguna Beach, CA
1.08 carat old-mine cut diamond. GIA graded E color, VS1 clarity. GIA grading report number is 1236538153. Comes with a full certificate.
Category

Late 20th Century South Coast - Loose Gemstones

Materials

Diamond

GIA Certified 2.78ct Round Natural Brilliant Cut Loose Diamond I, SI2
Located in Carmel By The Sea, CA
This GIA-certified 2.78-carat round brilliant cut diamond is a remarkable statement piece, offering impressive size and brilliance. The diamond has been professionally graded by GIA,...
Category

2010s South Coast - Loose Gemstones

Materials

Diamond

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified Pear Shaped Loose Diamond 2.07ct
Located in Laguna Beach, CA
2.07 carat pear shape brilliant diamond. GIA graded I color, I1 clarity, symmetry good. GIA report number is 2231570124. The diamond has a nice shape and faces up brilliantly. Comes ...
Category

Late 20th Century South Coast - Loose Gemstones

Materials

Diamond

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

2 1/4 Carat Cushion Blue Sapphire GIA Unheated
Located in San Francisco, CA
This Cushion shape 2.23-carat Natural Blue color sapphire GIA certified has been hand-selected by our experts for its top luster and unique color
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Blue Sapphire

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

5.10 Carat Heart Shape Blue Sapphire GIA Certified
Located in San Francisco, CA
This 5.10 carat Heart Shape Natural sapphire GIA certificate number: 1206223794 was hand-selected by our experts for its top luster. We can custom make for this rare gem any Ring/ P...
Category

21st Century and Contemporary South Coast - Loose Gemstones

Materials

Blue Sapphire

1.09 Carat Round White Natural Sapphire GIA Certified Unheated
Located in San Francisco, CA
This Round-Shaped 1.09-carat Natural Unheated White sapphire GIA certified has been hand-selected by our experts for its top luster and unique ...
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire

1.33 Carat Oval Shape Peach Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.33-carat Sri-Lankan Unheated peach color Natural sapphire GIA certificate number: 2201624547 has been hand-selected by our experts for its top luster and unique col...
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Yellow Sapphire

Hand Carved Natural Orange-Red Coral Rose Ornament
Located in Pasadena, CA
This exquisite ornament features natural orange-red coral, intricately hand-carved into the shape of a blooming rose—an enduring symbol of beauty and love. It measures approximately ...
Category

1980s Taiwanese Artisan Vintage South Coast - Loose Gemstones

Materials

Coral

3 3/4 Radiant Orange-Yellow Sapphire GIA
Located in San Francisco, CA
This Radiant shape 3.76-carat Natural Orange-Yellow color sapphire GIA certified has been hand-selected by our experts for its top luster and unique color
Category

21st Century and Contemporary South Coast - Loose Gemstones

Materials

Yellow Sapphire

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

7.35 Carat Cushion Natural Alexandrite GIA Certified
Located in San Francisco, CA
A Rare 7.35 Carat Cushion Shaped Natural Alexandrite GIA Certificate 6192711041 was hand-selected by our experts for its top luster and unique color. T...
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Alexandrite

GIA Certified Jadeite, Diamond, and Amethyst Snuff Bottle Ornament
Located in Pasadena, CA
The natural translucent green and brown color of Jadeite is carved as snuff bottle, surmounted by numerous near colorless round brilliant diamonds. The piece is completed with a natu...
Category

20th Century Taiwanese Artist South Coast - Loose Gemstones

Materials

Amethyst, Diamond

Natural Citrine 6.83 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This exquisite 6.83 carat Natural Citrine features a refined emerald cut, enhancing its clarity and depth with mesmerizing step-cut facets. Exhibiting a rich golden-yellow hue, this ...
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Citrine, Emerald

GIA Certified 3.48 Carat Rare Pinkish Purple Sapphire
Located in San Francisco, CA
This 3.59 carat Cushion Antique shaped GIA Certified Pinkish Purple Sapphire was selected by our experts for its Rare luster.
Category

20th Century Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Pink Sapphire, Purple Sapphire

GIA Certified 109 Carats Natural Melo Pearl Extremely Rare Collector's Dream
Located in La Jolla, CA
Extremely Rare & Desirable Collector's Pearl The Natural Saltwater Melo Melo Pearl is round with beautiful yellowish orange color and flame pattern a...
Category

21st Century and Contemporary South Coast - Loose Gemstones

Materials

Pearl

Natural Citrine 6.83 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This exquisite 6.83 carat Natural Citrine features a refined emerald cut, enhancing its clarity and depth with mesmerizing step-cut facets. Exhibiting a rich golden-yellow hue, this ...
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Citrine, Emerald

Rare GIA Certified 3.29 Carat Emerald Shape Unheated Green Emerald
Located in San Francisco, CA
This GIA-certified 3.29 Carat UNHEATED Ethiopian Emerald-Shaped Vibrant Natural Green Emerald was hand-selected by our experts for its top luster. We can custom make for this rare...
Category

21st Century and Contemporary Ethiopian South Coast - Loose Gemstones

Materials

Emerald

GIA Certified 9.69 Carat Natural Unheated Ceylon Yellow Sapphire
Located in Aliso Viejo, CA
It comes with the GIA Laboratory Certificate Carat Weight: 9.69 Carats Origin: Natural, Unheated Geographic Origin: Sri Lanka Measurements: 14.27 x 9.92 x 8.17mm Color: Yellow Cut: Oval
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Yellow Sapphire

Natural Mexican Fire Opal 5.45 Carat Emerald Cut Loose Gemstone Play-of-Color
Located in Aliso Viejo, CA
Ignite your collection with the captivating brilliance of this 5.45 carat Natural Mexican Fire Opal, expertly cut into a emerald cut to maximize its radiance. Sourced from Mexico, th...
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Emerald, Opal, Fire Opal

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

Natural Citrine 6.83 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This exquisite 6.83 carat Natural Citrine features a refined emerald cut, enhancing its clarity and depth with mesmerizing step-cut facets. Exhibiting a rich golden-yellow hue, this ...
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Citrine, Emerald

GIA Certified 9.69 Carat Natural Unheated Ceylon Yellow Sapphire
Located in Aliso Viejo, CA
It comes with the GIA Laboratory Certificate Carat Weight: 9.69 Carats Origin: Natural, Unheated Geographic Origin: Sri Lanka Measurements: 14.27 x 9.92 x 8.17mm Color: Yellow Cut: Oval
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Yellow Sapphire

Natural Citrine 6.83 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This exquisite 6.83 carat Natural Citrine features a refined emerald cut, enhancing its clarity and depth with mesmerizing step-cut facets. Exhibiting a rich golden-yellow hue, this ...
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Citrine, Emerald

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

Natural Mexican Fire Opal 5.45 Carat Emerald Cut Loose Gemstone Play-of-Color
Located in Aliso Viejo, CA
Ignite your collection with the captivating brilliance of this 5.45 carat Natural Mexican Fire Opal, expertly cut into a emerald cut to maximize its radiance. Sourced from Mexico, th...
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Emerald, Opal, Fire Opal

GIA Certified 9.69 Carat Natural Unheated Ceylon Yellow Sapphire
Located in Aliso Viejo, CA
It comes with the GIA Laboratory Certificate Carat Weight: 9.69 Carats Origin: Natural, Unheated Geographic Origin: Sri Lanka Measurements: 14.27 x 9.92 x 8.17mm Color: Yellow Cut: Oval
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Yellow Sapphire

Natural Citrine 6.83 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This exquisite 6.83 carat Natural Citrine features a refined emerald cut, enhancing its clarity and depth with mesmerizing step-cut facets. Exhibiting a rich golden-yellow hue, this ...
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Citrine, Emerald

GIA Certified 9.69 Carat Natural Unheated Ceylon Yellow Sapphire
Located in Aliso Viejo, CA
It comes with the GIA Laboratory Certificate Carat Weight: 9.69 Carats Origin: Natural, Unheated Geographic Origin: Sri Lanka Measurements: 14.27 x 9.92 x 8.17mm Color: Yellow Cut: Oval
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Yellow Sapphire

1 1/6 Carat Oval Yellow Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.17-carat Natural Yellow color sapphire GIA certified has been hand-selected by our experts for its top luster and unique color
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Yellow Sapphire

6.65 Carat Oval Shape Natural Alexandrite GIA Certified Unheated
Located in San Francisco, CA
This 6.65-carat Rare Natural Unheated Alexandrite was hand-selected by our experts for its top luster and unique color that changes from green to pinkish brown. We can custom make ...
Category

21st Century and Contemporary South Coast - Loose Gemstones

Materials

Alexandrite

GIA Certified 9.69 Carat Natural Unheated Ceylon Yellow Sapphire
Located in Aliso Viejo, CA
It comes with the GIA Laboratory Certificate Carat Weight: 9.69 Carats Origin: Natural, Unheated Geographic Origin: Sri Lanka Measurements: 14.27 x 9.92 x 8.17mm Color: Yellow Cut: Oval
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Yellow Sapphire

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

Loose Tanzanite Gemstone 3.3 ct
Located in Laguna Beach, CA
Loose 3.30-carat tanzanite gemstone. No grading lab certificate. The stone is a rectangle cushion cut, measuring 11.10 x 8.9 x 4.4mm. Attractive vio...
Category

21st Century and Contemporary South Coast - Loose Gemstones

Materials

Tanzanite

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

Natural Citrine 6.83 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This exquisite 6.83 carat Natural Citrine features a refined emerald cut, enhancing its clarity and depth with mesmerizing step-cut facets. Exhibiting a rich golden-yellow hue, this ...
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Citrine, Emerald

1.60 Cushion Shape Very Light Yellow Sapphire GIA Certified Unheated
Located in San Francisco, CA
This Cushion-shaped 1.60-carat Natural Unheated Very Light Yellow Sri-Lankan sapphire GIA certificate number: 5201625530 has been hand-selected by ou...
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Yellow Sapphire

Natural Citrine 6.83 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This exquisite 6.83 carat Natural Citrine features a refined emerald cut, enhancing its clarity and depth with mesmerizing step-cut facets. Exhibiting a rich golden-yellow hue, this ...
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Citrine, Emerald

GIA Certified 9.69 Carat Natural Unheated Ceylon Yellow Sapphire
Located in Aliso Viejo, CA
It comes with the GIA Laboratory Certificate Carat Weight: 9.69 Carats Origin: Natural, Unheated Geographic Origin: Sri Lanka Measurements: 14.27 x 9.92 x 8.17mm Color: Yellow Cut: Oval
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Yellow Sapphire

GIA Certified Pear Shape Diamond 1.44ct
Located in Laguna Beach, CA
GIA graded pear shape diamond, 1.44 carats, G color, Vs1 clarity, good cut. GIA report number is 22355443620. Comes with a full GIA grading report.
Category

21st Century and Contemporary South Coast - Loose Gemstones

Materials

Diamond

GIA Certified Loose 3.74ct Radiant Cut Natural Diamond E - SI2
Located in Carmel By The Sea, CA
GIA Certified 3.74ct Cut-Cornered Rectangular Modified Brilliant Diamond E, SI2 Description: This GIA-certified 3.74-carat natural diamond is a stunning cut-cornered rectangular mod...
Category

2010s South Coast - Loose Gemstones

Materials

Diamond

GIA Certified Loose Round Brilliant Cut Diamond 2.41 ct
Located in Laguna Beach, CA
2.41 carat round brilliant cut diamond graded by GIA. The color grade is I, clarity is Si2. The cut grade is good and there is no fluorescence. The grading report number is 622795896...
Category

21st Century and Contemporary South Coast - Loose Gemstones

Materials

Diamond

Natural Mexican Fire Opal 5.45 Carat Emerald Cut Loose Gemstone Play-of-Color
Located in Aliso Viejo, CA
Ignite your collection with the captivating brilliance of this 5.45 carat Natural Mexican Fire Opal, expertly cut into a emerald cut to maximize its radiance. Sourced from Mexico, th...
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Emerald, Opal, Fire Opal

Natural Citrine 6.83 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This exquisite 6.83 carat Natural Citrine features a refined emerald cut, enhancing its clarity and depth with mesmerizing step-cut facets. Exhibiting a rich golden-yellow hue, this ...
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Citrine, Emerald

GIA Certified Round Brilliant Cut Loose Diamond 1.78ct
Located in Laguna Beach, CA
GIA graded 1.78 carat round brilliant cut diamond. M color, slightly yellow. The clarity is i1 with an inclusion well hidden under the crown facets. The di...
Category

Late 20th Century South Coast - Loose Gemstones

Materials

Diamond

GIA Certified 9.69 Carat Natural Unheated Ceylon Yellow Sapphire
Located in Aliso Viejo, CA
It comes with the GIA Laboratory Certificate Carat Weight: 9.69 Carats Origin: Natural, Unheated Geographic Origin: Sri Lanka Measurements: 14.27 x 9.92 x 8.17mm Color: Yellow Cut: Oval
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Yellow Sapphire

1.12 Carat Cushion Premium Pink Color Natural Sapphire GIA
Located in San Francisco, CA
This 1.12 carat Cushion-Shaped Premium Pink natural sapphire GIA certificate:2203148726 was hand selected by our experts for its top luster. We c...
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Pink Sapphire

1.21 Carat Cushion Peach Color Sapphire GIA Certified Unheated
Located in San Francisco, CA
This 1.21 carat GIA Certificate: 5202389637 Yellowish Orange Natural Unheated Sapphire was hand-selected by our experts for its top luster. We can custom make for this rare gem any ...
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Yellow Sapphire

GIA Certified 9.69 Carat Natural Unheated Ceylon Yellow Sapphire
Located in Aliso Viejo, CA
It comes with the GIA Laboratory Certificate Carat Weight: 9.69 Carats Origin: Natural, Unheated Geographic Origin: Sri Lanka Measurements: 14.27 x 9.92 x 8.17mm Color: Yellow Cut: Oval
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Yellow Sapphire

1 1/2 Carat Oval Blue Sapphire GIA Unheated
Located in San Francisco, CA
This Oval shape 1.47-carat Natural Blue color sapphire GIA certified has been hand-selected by our experts for its top luster and unique color
Category

21st Century and Contemporary Sri Lankan South Coast - Loose Gemstones

Materials

Sapphire, Blue Sapphire

Natural Citrine 6.83 Carat Emerald Cut Loose Gemstone
Located in Aliso Viejo, CA
This exquisite 6.83 carat Natural Citrine features a refined emerald cut, enhancing its clarity and depth with mesmerizing step-cut facets. Exhibiting a rich golden-yellow hue, this ...
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Citrine, Emerald

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

GIA Certified Paraiba Tourmaline 1.52 Carat Natural
Located in Aliso Viejo, CA
It comes with the Original GIA Certificate Natural Paraiba Tourmaline Carat Weight: 1.52 Carats Measurements: 6.99 x 6.13 x 5.57 mm
Category

21st Century and Contemporary Contemporary South Coast - Loose Gemstones

Materials

Tourmaline, Paraiba

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