Estate & Designer Rings | Spectra Fine Jewelry

Estate and signed designer rings in platinum and 18k gold with diamonds and colored gemstones. Styles include solitaires, cocktail and cluster rings, bands and eternity rings, toi et moi, three-stone, and statement designs, selected for proportion, craftsmanship, and comfortable wear. Expertly evaluated and curated by Spectra Fine Jewelry in New York City.

2.56ct Oval Light Green Diamond Cocktail Ring

2.56ct Oval Light Green Diamond Cocktail Ring

Regular price $148,500.00

Regular price Sale price $148,500.00
Unit price per
Spectra Fine Jewelry 8.86ct Cushion Diamond Engagement Ring

Spectra Fine Jewelry 8.86ct Cushion Diamond Engagement Ring

Regular price $355,050.00

Regular price Sale price $355,050.00
Unit price per
Tiffany & Co. Schlumberger 3.92ct Step-Cut Engagement Ring

Tiffany & Co. Schlumberger 3.92ct Step-Cut Engagement Ring

Regular price $112,050.00

Regular price Sale price $112,050.00
Unit price per
Panthère de Cartier Diamond Sapphire Ring

Panthère de Cartier Diamond Sapphire Ring

Regular price $102,600.00

Regular price Sale price $102,600.00
Unit price per
Spectra Fine Jewelry 2.0 ct. Sapphire Diamond Halo Engagement Ring

Spectra Fine Jewelry 2.0 ct. Sapphire Diamond Halo Engagement Ring

Regular price $3,400.00

Regular price Sale price $3,400.00
Unit price per
Spectra Fine Jewelry 15.43 ct. Emerald Cut Diamond Flexible Eternity Wedding Ban

Spectra Fine Jewelry 15.43 ct. Emerald Cut Diamond Flexible Eternity Wedding Ban

Regular price $71,550.00

Regular price Sale price $71,550.00
Unit price per
Spectra Fine Jewelry 11.73 cts. Oval Diamond Eternity Wedding Band

Spectra Fine Jewelry 11.73 cts. Oval Diamond Eternity Wedding Band

Regular price $86,400.00

Regular price Sale price $86,400.00
Unit price per
Spectra Fine Jewelry 5.01ct Petite Cathedral Pave Diamond Engagement Ring

Spectra Fine Jewelry 5.01ct Petite Cathedral Pave Diamond Engagement Ring

Regular price $125,550.00

Regular price Sale price $125,550.00
Unit price per
Spectra Fine Jewelry 35.52ct Cushion Fancy Yellow Diamond Ring

Spectra Fine Jewelry 35.52ct Cushion Fancy Yellow Diamond Ring

Regular price $1,314,900.00

Regular price Sale price $1,314,900.00
Unit price per
Spectra Fine Jewelry Contemporary Cabochon Emerald Diamond Cocktail Bombé Ring

Spectra Fine Jewelry Contemporary Cabochon Emerald Diamond Cocktail Bombé Ring

Regular price $87,750.00

Regular price Sale price $87,750.00
Unit price per
Spectra Fine Jewelry 5.87 Carat Fancy Deep Yellow Diamond Ring

Spectra Fine Jewelry 5.87 Carat Fancy Deep Yellow Diamond Ring

Regular price $33,750.00

Regular price Sale price $33,750.00
Unit price per
Spectra Fine Jewelry 2.02ct GIA Certified Cushion-Cut Diamond Platinum Ring

Spectra Fine Jewelry 2.02ct GIA Certified Cushion-Cut Diamond Platinum Ring

Regular price $30,375.00

Regular price Sale price $30,375.00
Unit price per
Spectra Fine Jewelry 3.05 ct. Diamond Three-Stone Engagement Ring

Spectra Fine Jewelry 3.05 ct. Diamond Three-Stone Engagement Ring

Regular price $52,650.00

Regular price Sale price $52,650.00
Unit price per
Spectra Fine Jewelry Diamond Eternity Band Bypass Ring

Spectra Fine Jewelry Diamond Eternity Band Bypass Ring

Regular price $11,475.00

Regular price Sale price $11,475.00
Unit price per
Cartier Diamond Three Tone 18K Gold Trinity Ring Medium Model

Cartier Diamond Three Tone 18K Gold Trinity Ring Medium Model

Regular price $8,450.00

Regular price Sale price $8,450.00
Unit price per
Contemporary 32.32 ct. Pink Sapphire Halo Cocktail Engagement Ring

Contemporary 32.32 ct. Pink Sapphire Halo Cocktail Engagement Ring

Regular price $87,750.00

Regular price Sale price $87,750.00
Unit price per
Spectra Fine Jewelry GIA Certified 15.27 Carat Emerald-Cut Diamond Eternity Band

Spectra Fine Jewelry GIA Certified 15.27 Carat Emerald-Cut Diamond Eternity Band

Regular price $92,475.00

Regular price Sale price $92,475.00
Unit price per
Spectra Fine Jewelry 11.13 cts. Heart-Shaped Diamond Eternity Band Wedding Ring

Spectra Fine Jewelry 11.13 cts. Heart-Shaped Diamond Eternity Band Wedding Ring

Regular price $51,300.00

Regular price Sale price $51,300.00
Unit price per
Spectra Fine Jewelry GIA Certified 3.20 Carat Round Diamond Engagement Ring

Spectra Fine Jewelry GIA Certified 3.20 Carat Round Diamond Engagement Ring

Regular price $49,950.00

Regular price Sale price $49,950.00
Unit price per
Spectra Fine Jewelry 10.32ct Emerald Cut Diamond Platinum Engagement Ring

Spectra Fine Jewelry 10.32ct Emerald Cut Diamond Platinum Engagement Ring

Regular price $533,250.00

Regular price Sale price $533,250.00
Unit price per
Spectra Fine Jewelry Diamond Marquise Eternity Wedding Band

Spectra Fine Jewelry Diamond Marquise Eternity Wedding Band

Regular price $2,025.00

Regular price Sale price $2,025.00
Unit price per
Spectra Fine Jewelry 3.05ct GIA Certified Diamond Engagement Ring

Spectra Fine Jewelry 3.05ct GIA Certified Diamond Engagement Ring

Regular price $56,700.00

Regular price Sale price $56,700.00
Unit price per
Spectra Fine Jewelry 37.13 ct. Step-Cut Sapphire No Heat Diamond Engagement Ring

Spectra Fine Jewelry 37.13 ct. Step-Cut Sapphire No Heat Diamond Engagement Ring

Regular price $337,500.00

Regular price Sale price $337,500.00
Unit price per
Diamond Platinum Wedding Band Ring

Diamond Platinum Wedding Band Ring

Regular price $945.00

Regular price Sale price $945.00
Unit price per