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Antique Art Nouveau 14k Yellow Gold GIA 0.65ct Montana Sapphire Stick Pin
Antique Art Nouveau 14k Yellow Gold GIA 0.65ct Montana Sapphire Stick Pin

Antique Art Nouveau 14k Yellow Gold GIA 0.65ct Montana Sapphire Stick Pin

Located in Montclair, NJ

Stock Number: MK-38016121-PAR --Certification Details:-- Laboratory: GIA Report Number: 6237400688 Shape: Round Cutting Style: Crown: Brilliant Cut Cutting Style: Pavilion: Modified...

Category

Vintage 1910s Art Nouveau Brooches

Materials

Sapphire, Gold, 14k Gold, Yellow Gold

Platinum & 18k Gold 6.7ctw GIA Orangy Pink Tourmaline w/ Diamond Sides Ring
Platinum & 18k Gold 6.7ctw GIA Orangy Pink Tourmaline w/ Diamond Sides Ring

Platinum & 18k Gold 6.7ctw GIA Orangy Pink Tourmaline w/ Diamond Sides Ring

Located in Montclair, NJ

Comes with original GIA certification for the tourmaline. Stock Number: MK-170102656 --Certification Details:-- Laboratory: GIA Report Type: Tourmaline Report GIA Report Number: 623...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Tourmaline, Gold, 18k Gold, Yellow Gold, Platinum

Platinum GIA Color Change Brazil Alexandrite Alternated Diamond Band Ring
Platinum GIA Color Change Brazil Alexandrite Alternated Diamond Band Ring

Platinum GIA Color Change Brazil Alexandrite Alternated Diamond Band Ring

Located in Montclair, NJ

Ring Width: 6.4mm (0.25") (top of the ring - north to south), 2.7mm (bottom of the shank) Ring Height: 4.5mm rise off the finger Stamp: PT900 - D0.37 - 0.47 Condition: Excellent cond...

Category

21st Century and Contemporary Band Rings

Materials

Alexandrite, Diamond, Platinum

14k Gold GIA 1.09ct F VVS2 Emerald Cut Channel Bar Set Diamond Solitaire Ring
14k Gold GIA 1.09ct F VVS2 Emerald Cut Channel Bar Set Diamond Solitaire Ring

14k Gold GIA 1.09ct F VVS2 Emerald Cut Channel Bar Set Diamond Solitaire Ring

Located in Montclair, NJ

Comes w/ a copy of GIA certification for the diamond. Stock Number: MK-170233363 --Certification Details:-- Laboratory: GIA Report Number: 5171324828 Shape: Emerald Cut Measurement...

Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Gold, 14k Gold, White Gold

18k Gold 1.53ct GIA Octagonal Octagon Brilliant Diamond Solitaire Collet Ring
18k Gold 1.53ct GIA Octagonal Octagon Brilliant Diamond Solitaire Collet Ring

18k Gold 1.53ct GIA Octagonal Octagon Brilliant Diamond Solitaire Collet Ring

Located in Montclair, NJ

Comes w/ the original GIA certification for the yellow diamond. Stock Number: MK-290300318 --GIA Certification:-- Laboratory: GIA GIA Report Number: 2235667874 Shape: Octagonal Bril...

Category

21st Century and Contemporary American Solitaire Rings

Materials

Yellow Diamond, Gold, 18k Gold, Yellow Gold

Platinum GIA 3.08ct Ceylon No Heat Sapphire Solitaire Pendant Handmade Chain
Platinum GIA 3.08ct Ceylon No Heat Sapphire Solitaire Pendant Handmade Chain

Platinum GIA 3.08ct Ceylon No Heat Sapphire Solitaire Pendant Handmade Chain

Located in Montclair, NJ

Comes with the original GIA certification for the sapphire. Stock Number: MK-170358903 --GIA Certification:-- Laboratory: GIA Report Type: Sapphire Report GIA Report Number: 2231866...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Sapphire, Gold, 18k Gold, White Gold, Platinum

New 14k Yellow Gold GIA 1.16ct Pear Colombian Emerald Solitaire Pendant Necklace
New 14k Yellow Gold GIA 1.16ct Pear Colombian Emerald Solitaire Pendant Necklace

New 14k Yellow Gold GIA 1.16ct Pear Colombian Emerald Solitaire Pendant Necklace

Located in Montclair, NJ

Comes with original GIA certification for the emerald. Stock Number: MK-13081946 --Certification Details:-- Laboratory: GIA Report Number: 2235882511 Shape: Pear Cutting Style: Modi...

Category

21st Century and Contemporary American Pendant Necklaces

Materials

Emerald, Gold, 14k Gold, Yellow Gold

Antique Art Deco Platinum GIA Burma No Heat Square Ruby Stack Eternity Band Ring
Antique Art Deco Platinum GIA Burma No Heat Square Ruby Stack Eternity Band Ring

Antique Art Deco Platinum GIA Burma No Heat Square Ruby Stack Eternity Band Ring

Located in Montclair, NJ

Excellent overall condition. Come w/ GIA certification for 1 randomly picked ruby. Stock Number: MK-45059130 --Certification Details :-- Laboratory: GIA Report Number: 2235886210 Sh...

Category

Antique 19th Century Art Deco Band Rings

Materials

Ruby, Platinum

Vintage Platinum GIA No Heat Deep Pink Sapphire w/ Baguette Diamonds Spray Ring
Vintage Platinum GIA No Heat Deep Pink Sapphire w/ Baguette Diamonds Spray Ring

Vintage Platinum GIA No Heat Deep Pink Sapphire w/ Baguette Diamonds Spray Ring

Located in Montclair, NJ

Comes w/ original GIA certification for the sapphire. Stock Number: MK-360104844 --Sapphire Certification Details :-- Laboratory: GIA Report Number: 1232929182 Shape: Oval Cutting S...

Category

20th Century Cocktail Rings

Materials

Diamond, Pink Sapphire, Platinum

Yellow Gold GIA Oval Cabochon Pink Tourmaline & Diamond Accents Dual Finish Ring
Yellow Gold GIA Oval Cabochon Pink Tourmaline & Diamond Accents Dual Finish Ring

Yellow Gold GIA Oval Cabochon Pink Tourmaline & Diamond Accents Dual Finish Ring

Located in Montclair, NJ

Comes with original GIA certification for the tourmaline. Stock Number: MK-390181314 --Certification Details:-- Laboratory: GIA Report Type: Tourmaline Report GIA Report Number: 123...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Tourmaline, Gold, Yellow Gold

Vintage 18k Gold & Platinum GIA 14.36mm Pearl w/ Diamond Floral Layers Ring
Vintage 18k Gold & Platinum GIA 14.36mm Pearl w/ Diamond Floral Layers Ring

Vintage 18k Gold & Platinum GIA 14.36mm Pearl w/ Diamond Floral Layers Ring

Located in Montclair, NJ

Comes w/ original GIA certification for the pearl. Stock Number: MK-140174916 --Certification Details:-- Laboratory: GIA Report Number: 2231912519 Identification: Bead Cultured Pear...

Category

20th Century Cocktail Rings

Materials

Diamond, Pearl, Gold, 18k Gold, White Gold, Platinum

18k Yellow Gold GIA Black Opal Blue Green Play of Colors Pear Diamond Sides Ring
18k Yellow Gold GIA Black Opal Blue Green Play of Colors Pear Diamond Sides Ring

18k Yellow Gold GIA Black Opal Blue Green Play of Colors Pear Diamond Sides Ring

Located in Montclair, NJ

Comes with original GIA certification for the opal. Stock Number: MK-710105513 --Certification Details:-- Laboratory: GIA Report Number: 2233916046 Shape: Oval Cutting Style: Double...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Opal, Gold, 18k Gold, Yellow Gold

Platinum 5.8ctw GIA Ceylon No Heat Nice Sharp Star Sapphire Diamond Ring
Platinum 5.8ctw GIA Ceylon No Heat Nice Sharp Star Sapphire Diamond Ring

Platinum 5.8ctw GIA Ceylon No Heat Nice Sharp Star Sapphire Diamond Ring

Located in Montclair, NJ

Comes w/ the original GIA certification for the sapphire. Stock Number: MK-30109036 --Certification Details:-- Laboratory: GIA Report Number: 2235922625 Shape: Oval Cutting Style:...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Platinum 3.43ctw GIA Long Oval Fiery Australian Black Opal Diamond Ring
Platinum 3.43ctw GIA Long Oval Fiery Australian Black Opal Diamond Ring

Platinum 3.43ctw GIA Long Oval Fiery Australian Black Opal Diamond Ring

Located in Montclair, NJ

Comes with original GIA certification for the opal. Stock Number: MK-34098360 --Certification Details:-- Laboratory: GIA Report Number: 1236916015 Shape: Oval Cutting Style: Double ...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Black Opal, Platinum

Platinum 3.93ctw GIA Burma "A" Jade w/ Carré Square Step Cut Diamond Sides Ring
Platinum 3.93ctw GIA Burma "A" Jade w/ Carré Square Step Cut Diamond Sides Ring

Platinum 3.93ctw GIA Burma "A" Jade w/ Carré Square Step Cut Diamond Sides Ring

Located in Montclair, NJ

Comes with original GIA certification for the jade. Stock Number: MK-310104013 Certification Details: Laboratory: GIA Report Number: 2235916023 Shape: Oval Cut: Cabochon Transparenc...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Jade, Platinum

Classic Platinum 4.62ctw GIA Burma "A" Jade w/ Emerald Cut Diamond Sides Ring
Classic Platinum 4.62ctw GIA Burma "A" Jade w/ Emerald Cut Diamond Sides Ring

Classic Platinum 4.62ctw GIA Burma "A" Jade w/ Emerald Cut Diamond Sides Ring

Located in Montclair, NJ

Comes w/ original GIA certification for the jade. Stock Number: MK-39099914 --Certification Details:-- Laboratory: GIA Report Number: 2235916078 Shape: Oval Cut: Double Cabochon Tra...

Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Jade, Platinum

Platinum GIA Oval Color Change Brazil Alexandrite w/ Diamond 3 Row Band Ring
Platinum GIA Oval Color Change Brazil Alexandrite w/ Diamond 3 Row Band Ring

Platinum GIA Oval Color Change Brazil Alexandrite w/ Diamond 3 Row Band Ring

Located in Montclair, NJ

Excellent overall condition! Comes w/ GIA certification for the alexandrite. Stock Number: MK-410139310 --Certification Details:-- Laboratory: GIA Report Number: 1232917316 Shape: O...

Category

21st Century and Contemporary Band Rings

Materials

Alexandrite, Diamond, Platinum

New Platinum 2.28ctw GIA Unique Step Cut Fancy Orangy Brown Diamond 3 Stone Ring
New Platinum 2.28ctw GIA Unique Step Cut Fancy Orangy Brown Diamond 3 Stone Ring

New Platinum 2.28ctw GIA Unique Step Cut Fancy Orangy Brown Diamond 3 Stone Ring

Located in Montclair, NJ

Comes w/ the original GIA certification for the center diamond. Stock Number: MK-460395417 --Certification Details:-- Laboratory: GIA Report Number: 5231846459 Shape and Cutting Sty...

Category

21st Century and Contemporary American Three-Stone Rings

Materials

Diamond, Brown Diamond, Platinum

New 18k Gold 1.49ctw GIA Color Change Alexandrite & Diamond Cluster Earrings
New 18k Gold 1.49ctw GIA Color Change Alexandrite & Diamond Cluster Earrings

New 18k Gold 1.49ctw GIA Color Change Alexandrite & Diamond Cluster Earrings

Located in Montclair, NJ

Come with the original GIA certifications for both Alexandrite. Stock Number: MK-140198133 --Certification Details:-- Laboratory: GIA Report Number: 1232899552 Shape: Round Cutting ...

Category

21st Century and Contemporary American Drop Earrings

Materials

Alexandrite, Diamond, Gold, 18k Gold, Yellow Gold

New 18k Yellow Gold 4.37ctw GIA L-M VS1/VS2 Emerald Cut Diamond 3 Stone Ring
New 18k Yellow Gold 4.37ctw GIA L-M VS1/VS2 Emerald Cut Diamond 3 Stone Ring

New 18k Yellow Gold 4.37ctw GIA L-M VS1/VS2 Emerald Cut Diamond 3 Stone Ring

Located in Montclair, NJ

Comes w/ original GIA certification for the 3 diamond. Stock Number: MK-630833617 --Certification Details #1:-- Laboratory: GIA Report Number: 6545292744 Shape: Emerald Cut Measure...

Category

21st Century and Contemporary American Three-Stone Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

14k Yellow Gold Bluish Green Lab Grown Quartz w/ Ruby Omega Earrings
14k Yellow Gold Bluish Green Lab Grown Quartz w/ Ruby Omega Earrings

14k Yellow Gold Bluish Green Lab Grown Quartz w/ Ruby Omega Earrings

Located in Montclair, NJ

Excellent overall condition! Comes with GIA certification for the Quartz. Stock Number: MK-410130133 --Certification Details:-- Laboratory: GIA Report Number: 6233881158 Shape: Oval...

Category

21st Century and Contemporary Hoop Earrings

Materials

Ruby, Gold, 14k Gold, Yellow Gold

Platinum 2.13ctw GIA Spready Oval Vivid Red Ruby & Pear Baguette Diamond Ring
Platinum 2.13ctw GIA Spready Oval Vivid Red Ruby & Pear Baguette Diamond Ring

Platinum 2.13ctw GIA Spready Oval Vivid Red Ruby & Pear Baguette Diamond Ring

Located in Montclair, NJ

Comes with original GIA certification for the ruby. Stock Number: MK-490129560 --Certification Details:-- Laboratory: GIA Report Number: 1236915999 Stone Shape: Oval Cutting Style: ...

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

18k White Gold GIA 32.22ctw Large Tanzanite Diamond Frame Long Drop Earrings
18k White Gold GIA 32.22ctw Large Tanzanite Diamond Frame Long Drop Earrings

18k White Gold GIA 32.22ctw Large Tanzanite Diamond Frame Long Drop Earrings

Located in Montclair, NJ

Comes w/ Original GIA certification for the Tanzanite. Stock Number: MK-430709631 --Certification Details:-- Laboratory: GIA Report Number: 5232881165 Shape: Oval Cutting Style: Cro...

Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Tanzanite, Gold, 18k Gold, White Gold

Platinum & Gold GIA 2.18ctw Colombian Emerald w/ Diamond Halo Pendant Necklace
Platinum & Gold GIA 2.18ctw Colombian Emerald w/ Diamond Halo Pendant Necklace

Platinum & Gold GIA 2.18ctw Colombian Emerald w/ Diamond Halo Pendant Necklace

Located in Montclair, NJ

Comes with original GIA certification for the emerald. Stock Number: MK-190114003 --Certification Details:-- Laboratory: GIA Report Number: 2235685262 Shape: Octagonal Cutting Style...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Emerald, Gold, 14k Gold, White Gold, Platinum

New 18k Gold GIA 2.6ct Ceylon No Heat Sapphire Brushed East West Bezel Band Ring
New 18k Gold GIA 2.6ct Ceylon No Heat Sapphire Brushed East West Bezel Band Ring

New 18k Gold GIA 2.6ct Ceylon No Heat Sapphire Brushed East West Bezel Band Ring

Located in Montclair, NJ

Comes with the original GIA Lab Report for the sapphire. Stock Number: MK-190330010 --Certification Details:-- Laboratory: GIA Report Number: 5231866422 Shape: Octagonal Cutting Sty...

Category

21st Century and Contemporary American Solitaire Rings

Materials

Sapphire, Gold, 18k Gold, Yellow Gold

18k Yellow Gold 2.86ct GIA Marquise Deep Blue Sapphire Diamond Swirl Ring
18k Yellow Gold 2.86ct GIA Marquise Deep Blue Sapphire Diamond Swirl Ring

18k Yellow Gold 2.86ct GIA Marquise Deep Blue Sapphire Diamond Swirl Ring

Located in Montclair, NJ

Comes with the original GIA certification for the sapphire. Stock Number: MK-150152513 --Certification Details:-- Laboratory: GIA Report Number: 2517604939 Shape: Marquise Cutting S...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Yellow Gold

Vintage Platinum 2.17ctw GIA Colombian Emerald & Diamond Bar Frame Ring
Vintage Platinum 2.17ctw GIA Colombian Emerald & Diamond Bar Frame Ring

Vintage Platinum 2.17ctw GIA Colombian Emerald & Diamond Bar Frame Ring

Located in Montclair, NJ

Comes with original GIA certification for the emerald. Stock Number: MK-170108710 --Emerald Certification Details:-- Laboratory: GIA Report Number: 5231899824 Shape: Octagonal Cutt...

Category

20th Century Cocktail Rings

Materials

Diamond, Emerald, Platinum

Vintage Platinum High Quality 2.22ctw GIA Green Colombian Emerald Diamond Ring
Vintage Platinum High Quality 2.22ctw GIA Green Colombian Emerald Diamond Ring

Vintage Platinum High Quality 2.22ctw GIA Green Colombian Emerald Diamond Ring

Located in Montclair, NJ

Comes with original GIA certification for the emerald. Stock Number: MK-440170413 --Emerald Certification Details:-- Laboratory: GIA Report Number: 5232899773 Shape: Octagonal Cutt...

Category

20th Century Cocktail Rings

Materials

Diamond, Emerald, Platinum

Yellow Gold GIA Oval 8.35ct Pink Tourmaline Diamond Pearl Bow Night Day Earrings
Yellow Gold GIA Oval 8.35ct Pink Tourmaline Diamond Pearl Bow Night Day Earrings

Yellow Gold GIA Oval 8.35ct Pink Tourmaline Diamond Pearl Bow Night Day Earrings

Located in Montclair, NJ

Comes with original GIA certifications for the tourmalines. Stock Number: MK-170198060 --Certification Details:-- Laboratory: GIA Report Type: Tourmaline Report GIA Report Number: 2...

Category

21st Century and Contemporary Dangle Earrings

Materials

Diamond, Pearl, Tourmaline, Gold, Yellow Gold

Platinum 6.62ctw GIA Large Oval Black Opal w/ Baguette & Round Diamond Ring
Platinum 6.62ctw GIA Large Oval Black Opal w/ Baguette & Round Diamond Ring

Platinum 6.62ctw GIA Large Oval Black Opal w/ Baguette & Round Diamond Ring

Located in Montclair, NJ

Comes with original GIA certification for the opal. Stock Number: MK-170203017 --Certification Details:-- Laboratory: GIA Report Number: 5232866248 Shape: Oval Cutting Style: Double...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Black Opal, Platinum

Platinum 6.67ctw GIA Ceylon No Heat Yellow Sapphire & Diamond Pendant Necklace
Platinum 6.67ctw GIA Ceylon No Heat Yellow Sapphire & Diamond Pendant Necklace

Platinum 6.67ctw GIA Ceylon No Heat Yellow Sapphire & Diamond Pendant Necklace

Located in Montclair, NJ

Comes w/ the original GIA certification for the sapphire! Stock Number: MK-310227517 --GIA Certification:--- Laboratory: GIA GIA Report Number: 2231881144 Shape: Oval Cutting Style:...

Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Yellow Sapphire, Platinum

GIA Bead Ruby Strand 20" Necklace w/ 18k Yellow Gold Spacers Center Ball & Clasp
GIA Bead Ruby Strand 20" Necklace w/ 18k Yellow Gold Spacers Center Ball & Clasp

GIA Bead Ruby Strand 20" Necklace w/ 18k Yellow Gold Spacers Center Ball & Clasp

Located in Montclair, NJ

Comes w/ original GIA certification for (1) randomly selected ruby. Stock Number: MK-710120964 --Certification Details:-- Laboratory: GIA Report Number: 6237839534 Shape: Freeform B...

Category

20th Century Pendant Necklaces

Materials

Ruby, Gold, 18k Gold, Yellow Gold

18k White Gold GIA .90ctw Triangular Cut Pink Sapphire Diamond Bezel Band Ring
18k White Gold GIA .90ctw Triangular Cut Pink Sapphire Diamond Bezel Band Ring

18k White Gold GIA .90ctw Triangular Cut Pink Sapphire Diamond Bezel Band Ring

Located in Montclair, NJ

Comes w/ original GIA certification for 1 randomly picked sapphire. Stock Number: MK-410141060 --Certification Details:-- Laboratory: GIA Report Number: 5231873052 Shape: Triangular...

Category

21st Century and Contemporary Band Rings

Materials

Diamond, Pink Sapphire, Gold, 18k Gold, White Gold

Platinum 2.67ctw Oval Mozambique Vivid Red Ruby w/ Baguette Diamond Ring
Platinum 2.67ctw Oval Mozambique Vivid Red Ruby w/ Baguette Diamond Ring

Platinum 2.67ctw Oval Mozambique Vivid Red Ruby w/ Baguette Diamond Ring

Located in Montclair, NJ

Comes with original Japanese Gem Lab Identification for the ruby. Stock Number: MK-460201036 CERTIFICATE OF GEM IDENTIFICATION No.

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Ruby, Platinum

Platinum GIA 2.67ctw Elongated Oval Sapphire Step Diamond Sides Ring
Platinum GIA 2.67ctw Elongated Oval Sapphire Step Diamond Sides Ring

Platinum GIA 2.67ctw Elongated Oval Sapphire Step Diamond Sides Ring

Located in Montclair, NJ

Comes with the original GIA certification for the sapphire. Stock Number: MK-170158599 --Certification Details:-- Laboratory: GIA Report Number: 2235873329 Shape: Oval Cutting Styl...

Category

20th Century Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Platinum 2.41ctw GIA Vivid Red Ruby Diamond Ballerina Statement Ring
Platinum 2.41ctw GIA Vivid Red Ruby Diamond Ballerina Statement Ring

Platinum 2.41ctw GIA Vivid Red Ruby Diamond Ballerina Statement Ring

Located in Montclair, NJ

Comes with original GIA certification for the ruby. Stock Number: MK-150180644 --Certification Details:-- Laboratory: GIA Report Number: 2235873309 Stone Shape: Cushion Cutting Styl...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

New 18k Gold & Platinum GIA 3.09ct European Diamond Solitaire Engagement Ring
New 18k Gold & Platinum GIA 3.09ct European Diamond Solitaire Engagement Ring

New 18k Gold & Platinum GIA 3.09ct European Diamond Solitaire Engagement Ring

Located in Montclair, NJ

Comes w/ original GIA certification for the diamond. Stock Number: MK-1701146914 --Certification Details:-- Laboratory: GIA Report Number: 2231824041 Shape: Old European Brilliant ...

Category

21st Century and Contemporary American Solitaire Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold, Platinum

18k Yellow Gold 1.70ct Unique Rectangular Diamond East West Bezel Solitaire Ring
18k Yellow Gold 1.70ct Unique Rectangular Diamond East West Bezel Solitaire Ring

18k Yellow Gold 1.70ct Unique Rectangular Diamond East West Bezel Solitaire Ring

Located in Montclair, NJ

Comes w/ original GIA certification for the diamond. Stock Number: MK-610329644 --Certification Details:-- Laboratory: GIA Report Number: 5232810326 Shape: Cut Cornered Rectangular...

Category

21st Century and Contemporary American Solitaire Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Platinum 2.77ctw GIA Bright & Lively Oval Black Opal w/ Step Cut Diamond Ring
Platinum 2.77ctw GIA Bright & Lively Oval Black Opal w/ Step Cut Diamond Ring

Platinum 2.77ctw GIA Bright & Lively Oval Black Opal w/ Step Cut Diamond Ring

Located in Montclair, NJ

Excellent overall condition! Comes w/ GIA certification for the opal! Stock Number: MK-160169019 --Certification Details:-- Laboratory: GIA Report Number: 2235866402 Shape: Oval Cut...

Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Black Opal, Platinum

Platinum 2.41ctw GIA Oval Rich Vivid Red Ruby w/ Diamond Cluster Cocktail Ring
Platinum 2.41ctw GIA Oval Rich Vivid Red Ruby w/ Diamond Cluster Cocktail Ring

Platinum 2.41ctw GIA Oval Rich Vivid Red Ruby w/ Diamond Cluster Cocktail Ring

Located in Montclair, NJ

Comes with original GIA certification for the ruby. Stock Number: MK-710112569 --Certification Details:-- Laboratory: GIA Report Number: 2235880813 Stone Shape: Oval Cutting Style: ...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

Platinum GIA 6.15ctw Oval Ceylon Pink Sapphire w/ Dual Diamond Halo Ring
Platinum GIA 6.15ctw Oval Ceylon Pink Sapphire w/ Dual Diamond Halo Ring

Platinum GIA 6.15ctw Oval Ceylon Pink Sapphire w/ Dual Diamond Halo Ring

Located in Montclair, NJ

Comes w/ original GIA certification for the sapphire. Stock Number: MK-410275013 --Certification Details:-- Laboratory: GIA Report Number: 2231567437 Shape: Oval Cutting Style: Crow...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Pink Sapphire, Platinum

18k Gold Platinum GIA 6.44ctw Cabochon Burma Red Ruby & Diamond Spray Ring
18k Gold Platinum GIA 6.44ctw Cabochon Burma Red Ruby & Diamond Spray Ring

18k Gold Platinum GIA 6.44ctw Cabochon Burma Red Ruby & Diamond Spray Ring

Located in Montclair, NJ

Comes with original GIA certification for the 2 randomly picked rubies. Stock Number: MK-920601130 --Certification Details:-- Laboratory: GIA Report Number: 2235422998 Stone Shape: ...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum

Heavy 18k Yellow Gold 8.35ctw GIA Unique Cut Blue Green Tourmaline Diamond Ring
Heavy 18k Yellow Gold 8.35ctw GIA Unique Cut Blue Green Tourmaline Diamond Ring

Heavy 18k Yellow Gold 8.35ctw GIA Unique Cut Blue Green Tourmaline Diamond Ring

Located in Montclair, NJ

Comes with the original GIA certification for the tourmaline. Stock Number: MK-630458399 --Certification Details:-- Laboratory: GIA Report Number: 1232873283 Species: Tourmaline Sha...

Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Tourmaline, Gold, 18k Gold, Yellow Gold

Freshwater Pearl Torsade Necklace Solid Gold GIA Tourmaline Diamond Clasp
Freshwater Pearl Torsade Necklace Solid Gold GIA Tourmaline Diamond Clasp

Freshwater Pearl Torsade Necklace Solid Gold GIA Tourmaline Diamond Clasp

Located in Montclair, NJ

Comes with original GIA certification for the tourmaline. Stock Number: MK-430261394 --Certification Details:-- Laboratory: GIA Report Type: Tourmaline Report GIA Report Number: 223...

Category

20th Century Multi-Strand Necklaces

Materials

Diamond, Pearl, Tourmaline, Gold, Yellow Gold, Platinum

18k Yellow Gold 4.34ctw GIA Pear Sapphire w/ Baguette Diamond Statement Ring
18k Yellow Gold 4.34ctw GIA Pear Sapphire w/ Baguette Diamond Statement Ring

18k Yellow Gold 4.34ctw GIA Pear Sapphire w/ Baguette Diamond Statement Ring

Located in Montclair, NJ

Comes with the original GIA certification for the sapphire. Stock Number: MK-190203013 --Sapphire Certification Details:-- Laboratory: GIA Report Number: 2235900474 Shape: Pear Cutt...

Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Yellow Gold

Platinum GIA Pink Sapphire Diamond Ballerina Wavy Ballerina Pendant Necklace
Platinum GIA Pink Sapphire Diamond Ballerina Wavy Ballerina Pendant Necklace

Platinum GIA Pink Sapphire Diamond Ballerina Wavy Ballerina Pendant Necklace

Located in Montclair, NJ

Comes with the original GIA certification for the sapphire. Stock Number: MK-390128156 --GIA Certification:-- Laboratory: GIA Report Type: Sapphire Report GIA Report Number: 5231900...

Category

20th Century Pendant Necklaces

Materials

Diamond, Pink Sapphire, Platinum

Unisex 18k Yellow Gold Large GIA 3.50ct I VVS2 Cushion Diamond Solitaire Ring
Unisex 18k Yellow Gold Large GIA 3.50ct I VVS2 Cushion Diamond Solitaire Ring

Unisex 18k Yellow Gold Large GIA 3.50ct I VVS2 Cushion Diamond Solitaire Ring

Located in Montclair, NJ

Comes w/ original GIA certification for the diamond. Stock Number: MK-4302001059 --Certification Details:-- Laboratory: GIA Report Number: 2141953198 Shape: Cushion Modified Brilli...

Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Vintage 18k Yellow Gold 4.42ctw GIA Ceylon Sapphire w/ Diamond Halo Ring
Vintage 18k Yellow Gold 4.42ctw GIA Ceylon Sapphire w/ Diamond Halo Ring

Vintage 18k Yellow Gold 4.42ctw GIA Ceylon Sapphire w/ Diamond Halo Ring

Located in Montclair, NJ

Comes w/ the original GIA certification for the sapphire. Stock Number: MK-470101046 --Certification Details:-- Laboratory: GIA Report Number: 2215933232 Shape: Oval Cutting Style:...

Category

20th Century Engagement Rings

Materials

Diamond, Sapphire, Gold, 18k Gold, Yellow Gold

Antique Art Deco Platinum 3.6ctw GIA Sapphire French Cut Diamond Bar Pin Brooch
Antique Art Deco Platinum 3.6ctw GIA Sapphire French Cut Diamond Bar Pin Brooch

Antique Art Deco Platinum 3.6ctw GIA Sapphire French Cut Diamond Bar Pin Brooch

Located in Montclair, NJ

Comes with original GIA certification for two out of 3 sapphires. Stock Number: MK-170176133 --Certification Details:-- Laboratory: GIA Report Number: 6233863839 Shape: One Rectangu...

Category

Antique 19th Century Art Deco Brooches

Materials

Diamond, Sapphire, Gold, White Gold, Platinum

New Platinum & Gold GIA 2.28ct Fancy Intense Yellow Asscher Sides Diamond Ring
New Platinum & Gold GIA 2.28ct Fancy Intense Yellow Asscher Sides Diamond Ring

New Platinum & Gold GIA 2.28ct Fancy Intense Yellow Asscher Sides Diamond Ring

Located in Montclair, NJ

Comes w/ original GIA certification for the 3 diamonds. Stock Number: MK-130501033 --Certification Details #1:-- Laboratory: GIA Report Number: 1226743348 Shape: Cue Cornered Recta...

Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Yellow Diamond, Gold, 14k Gold, 18k Gold, Yellow Gold, Platinum

Classic Platinum 4.68ctw GIA Oval Yellowish Green Peridot & Diamond Halo Ring
Classic Platinum 4.68ctw GIA Oval Yellowish Green Peridot & Diamond Halo Ring

Classic Platinum 4.68ctw GIA Oval Yellowish Green Peridot & Diamond Halo Ring

Located in Montclair, NJ

Comes w/ original GIA certification for the peridot. Stock Number: MK-47049060 --Certification Details:-- Laboratory: GIA Report Number: 2235828564 Shape: Oval Cutting Style: Crown:...

Category

20th Century Cocktail Rings

Materials

Diamond, Peridot, Gold, White Gold, Platinum

Vintage Platinum GIA Vivid Pigeon Blood Red Burma Ruby & Diamond Solitaire Ring
Vintage Platinum GIA Vivid Pigeon Blood Red Burma Ruby & Diamond Solitaire Ring

Vintage Platinum GIA Vivid Pigeon Blood Red Burma Ruby & Diamond Solitaire Ring

Located in Montclair, NJ

Comes with original GIA certification for the ruby. Stock Number: MK-170118010 --Certification Details:-- Laboratory: GIA Report Number: 6233882500 Stone Shape: Octagonal Cutting St...

Category

20th Century Solitaire Rings

Materials

Diamond, Ruby, Platinum

GIA Gray Large Tahitian Pearl Dual Strand Necklace 10ctw Diamond Flower Clasp
GIA Gray Large Tahitian Pearl Dual Strand Necklace 10ctw Diamond Flower Clasp

GIA Gray Large Tahitian Pearl Dual Strand Necklace 10ctw Diamond Flower Clasp

Located in Montclair, NJ

Comes w/ original GIA certification for the pearls. Stock Number: MK-490531360 --Certification Details:-- Laboratory: GIA Report Type: Pearl Identification Report GIA Report Number:...

Category

21st Century and Contemporary Multi-Strand Necklaces

Materials

Diamond, Pearl, Gold, White Gold

Antique Edwardian Platinum 1.07ctw GIA Old Diamond Buckle Style Engagement Ring
Antique Edwardian Platinum 1.07ctw GIA Old Diamond Buckle Style Engagement Ring

Antique Edwardian Platinum 1.07ctw GIA Old Diamond Buckle Style Engagement Ring

Located in Montclair, NJ

Stock Number: MK-160173443 --Certification Details:-- Laboratory: GIA Report Number: 2231817813 Shape: Old European Brilliant Measurements: 6.06 - 6.12 x 3.90 mm Carat Weight: 0.92 ...

Category

Antique 19th Century Edwardian Engagement Rings

Materials

Diamond, Platinum

New 18k White Gold 3.24ctw GIA Diamond w/ French Cut Ruby Halo Stud Earrings
New 18k White Gold 3.24ctw GIA Diamond w/ French Cut Ruby Halo Stud Earrings

New 18k White Gold 3.24ctw GIA Diamond w/ French Cut Ruby Halo Stud Earrings

Located in Montclair, NJ

Comes with the original GIA certifications for both diamonds. Stock Number: MK-710317950 --Certification #1 Details:-- Laboratory: GIA Report Number: 6502556959 Shape: Round Brillia...

Category

21st Century and Contemporary American Stud Earrings

Materials

Diamond, Ruby, Gold, 18k Gold, White Gold

New 18k White Gold 3.60ctw GIA Diamond w/ French Cut Sapphire Halo Stud Earrings
New 18k White Gold 3.60ctw GIA Diamond w/ French Cut Sapphire Halo Stud Earrings

New 18k White Gold 3.60ctw GIA Diamond w/ French Cut Sapphire Halo Stud Earrings

Located in Montclair, NJ

Comes with the original GIA certifications for both diamonds. Stock Number: MK-470275814 --Certification #1 Details:-- Laboratory: GIA Report Number: 5536474233 Shape: Round Brillia...

Category

21st Century and Contemporary American Stud Earrings

Materials

Diamond, Sapphire, Gold, 18k Gold, White Gold

18k White Gold Large 18.41ctw GIA Cushion Tanzanite w/ Diamond Halo Ring
18k White Gold Large 18.41ctw GIA Cushion Tanzanite w/ Diamond Halo Ring

18k White Gold Large 18.41ctw GIA Cushion Tanzanite w/ Diamond Halo Ring

Located in Montclair, NJ

Comes w/ original GIA certification for the tanzanite. Stock Number: MK-460430369 --Certification Details-- Laboratory: GIA Report Number: 1236881132 Stone Shape: Cushion Crown Cutt...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Tanzanite, Gold, 18k Gold, White Gold

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Stock Certificates For Sale on 1stDibs

Find a variety of stock certificates available on 1stDibs. Finding the perfect contemporary, modern or street art examples of these works for your space is difficult — today, we have a vast range of variations and more on offer. These items have been made for many years, with versions that date back to the 18th Century alongside those produced as recently as the 21st Century. Adding a colorful piece of art to a room that is mostly decorated in warm neutral tones can yield a welcome change — see the stock certificates on 1stDibs that include elements of beige, gray, brown, white and more. Stefanie Schneider, Gary Bernstein, Sekhar Kar, (after) Pablo Picasso and Isaac Maimon took a thoughtful approach to this subject that are worth considering. Each of these unique pieces was handmade with extraordinary care, with artists most often working in paper, polaroid and c print.

How Much are Stock Certificates?

The average selling price for stock certificates we offer is $1,279, while they’re typically $94 on the low end and $2,459,111 for the highest priced.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.