Birthstone Jewelry & Gemstones - December

The 14k white gold blue zircon earrings are a stud style that each feature one round brilliant cut blue zircon set into a four prong basket.

The two zircon have a carat total weight of 1.13ctw. 

The earrings are affixed with friction posts and backs. 

The 14k white gold blue zircon and diamond drop earrings are an original design by Paul Richter. 

The earrings are an elongated shepherds hook style that each feature oval blue zircon accented by one round brilliant cut diamond. 

The two blue zircon have a carat total weight of 2.70ctw. 

The two diamonds are H color, SI-1 clarity and have a carat total weight of 0.09ctw. 

The 14k white gold blue zircon and diamond earrings are a halo style that each feature one round brilliant cut blue zircon surrounded by a frame of twelve round brilliant cut diamonds. 

The two blue zircon have a carat total weight of 1.37ctw. 

The twenty four diamonds are G/H color, SI clarity and have a carat total weight of 0.28ctw. 

The earrings are affixed with friction posts and backs. 

The 14k white gold blue zircon and diamond earrings are an original design and hand fabrication, created by Paul Richter, as part of the Spiral Collection. 

The earrings are a spiral shape that each feature one bezel set round brilliant cut blue zircon accented by one bezel set round brilliant cut diamond. 

The two blue zircon have a carat total weight of 1.58ctw. 

The two diamonds are H color, SI clarity and have a carat total weight of 0.15ctw. 

The earrings are affixed with friction posts and backs. 

The 14k white gold blue zircon and diamond pendant is an original design and hand fabrication by Paul Richter, created as part of the Spiral Collection. 

The pendant is a spiral shape that features one bezel set round brilliant cut blue zircon accented by one bezel set, round brilliant cut diamond. 

The blue zircon has a carat weight of 2.87 ct. 

The diamond is H color, SI1 clarity and has a carat weight of 0.07ct. 

Chain of your choice, sold separately. 

The 14k white gold blue zircon and diamond ring is a prong set style that features one center oval blue zircon flanked on each side by one round brilliant cut diamond. Six additional round brilliant cut diamonds are set into the shoulders of the ring. 

The blue zircon has a carat weight of 6.11ct. 

The two side diamonds are G color, VS2 clarity and have a carat total weight of 0.46ctw. The six accent diamonds are H color, SI1 clarity and have a carat total weight of 0.15ctw. 

The 14k white gold tanzanite and diamond earrings are a drop, halo style that each consist of one trillion cut tanzanite surrounded by a frame of sixteen round brilliant cut diamonds. 

The two tanzanite have a carat total weight of 1.20ctw. 

The thirty two diamonds are H/I color, SI1 clarity and have a carat total weight of 0.12ctw. 

The earrings are affixed with leaverbacks. 

The 14k white gold and 18k yellow gold two-tone blue zircon ring is a signed original design and hand fabrication by Paul Richter. 

The ring is features one oval blue zircon set into a yellow gold bezel and accented by a satin finish gold arc. 

The zircon has a carat weight of 1.48ct. 

The shank of the ring is 14k white gold. 

Originally created in 1995, the ring has been reacquired by the studio and is now available for purchase. 

The oxidized sterling silver and 18k yellow gold blue zircon and diamond earrings are an original design and hand fabrication by Paul Richter, created as part of the Pathways Collection. 

The earrings are a domed disc style that each features one bezel set, round brilliant cut blue zircon accented by three flush set round brilliant cut diamonds. 

The blue zircon have a carat total weight of 2.38ctw. 

The diamonds are H color, SI1 clarity and have a carat total weight of 0.18ctw. 

The earrings are affixed with angular ear wires. 

The oxidized sterling silver and 18k yellow gold blue zircon and diamond pendant is an original design and hand fabrication by Paul Richter, created as part of the Pathways Collection. 

The pendant is a domed disc style that features one bezel set round brilliant cut blue zircon, accented by three flush set round brilliant cut diamonds. 

The zircon has a carat weight of 1.32ct. 

The diamonds are H color, SI1 clarity and have a carat total weight of 0.09ctw. 

Chain of your choice, sold separately. 

The 14k white gold tanzanite and diamond earrings are an original design and hand fabrication by Paul Richter, created as part of the Vines Collection. 

The earrings are an interwoven, drop style that each feature one prong set, round brilliant cut tanzanite, accented by one bezel set round brilliant cut diamond. 

The two tanzanite have a carat total weight of 1.14ctw. 

The two diamonds are H color, SI1 clarity and have a carat total weight of 0.14ctw. 

The earrings are affixed with leaverbacks. 

The 14k white gold tanzanite and diamond pendant is an original design and hand fabrication, created by Paul Richter as part of the Vines Collection. 

The pendant is an interwoven style that features one prong set, oval tanzanite accented by four bezel set round brilliant cut diamonds. 

The tanzanite has a carat weight of 2.52ct. 

The diamonds are H color, SI1 clarity and have a carat total weight of 0.18ctw. 

Chain of your choice, sold separately. 

The 14k white gold blue zircon and diamond pendant is a prong set style that features one oval blue zircon accented by three round brilliant cut diamonds. 

The blue zircon has a carat weight of 3.65ct. 

The diamonds are H color, SI1 clarity and have a carat total weight of 0.21ctw. 

Chain of your choice, sold separately. 

This 14K two-tone white and yellow gold ring is set with a 2.32ct. center cushion cut tanzanite that is accented by two oval side diamonds and ten round brilliant cut diamonds.

The tanzanite has a carat weight of 2.32ct.

The two oval diamonds are F color, SI clarity and have a carat weight of 0.81ctw.

The ten round diamonds are H color, SI clarity and have a carat weight of 0.20ctw.

The 14k white gold tanzanite and diamond ring is a prong set style that features one oval tanzanite accented by three round brilliant cut diamonds on each side.

The tanzanite has a carat weight of 6.09ct.

The six diamonds are H color, SI1 clarity and have a carat total weight of 0.35ctw.

The platinum tanzanite and diamond ring is a prong set style that features one round brilliant cut tanzanite accented on each side by one round brilliant cut diamond.

The tanzanite has a carat weight of 1.33ct.

The two diamonds are H color, SI2 clarity and have a carat total weight of 0.45ctw.

The platinum tanzanite and diamond ring features one round brilliant tanzanite prong set into a twist style shank that is set with round brilliant cut diamonds.

The tanzanite has a carat weight of 0.62ct.

The diamonds are H color, SI1 clarity and have a carat total weight of 0.35ctw.

The 18k yellow gold tanzanite and diamond ring is a halo style that features one emerald cut tanzanite surrounded by a frame of round brilliant cut diamonds.

The tanzanite has a carat weight of 3.54ct.

The diamonds are H/I color, SI1 clarity and have a carat total weight of 0.27ctw.

The ring is accented by metal cutout work on the undercarriage.

The 18k yellow gold estate tanzanite and diamond pendant is a prong set style that features one round brilliant cut tanzanite accented by three round brilliant cut diamonds at the top of the pendant.

The tanzanite has a carat weight of 1.33ct.

The diamonds are G color, I1 clarity and have a carat total weight of 0.20ctw.

Chain of your choice, sold separately.

The 14k white gold tanzanite and diamond pendant is a halo style that features one round brilliant cut tanzanite surrounded by a frame of round brilliant cut diamonds and accented by round brilliant diamonds on the bail of the pendant.

The tanzanite has a carat weight of 0.79ct.

The twenty five diamonds are G color, SI clarity and have a carat total weight of 0.10ctw.

Chain of your choice, sold separately.

The 14k white gold tanzanite and diamond pendant is a halo style that features one round brilliant cut tanzanite surrounded by a frame of round brilliant cut diamonds and accented by round brilliant cut diamonds on the top of the pendant.

The tanzanite has a carat weight of 0.65ct.

The twenty nine diamonds are G color, SI1 clarity and have a carat total weight of 0.10ctw.

Chain of your choice, sold separately.

Identification: Tanzanite

Color: Violet

Cut: Trillion

Carat: 7.86ct.

Measurements (LxW): 11.8x12.1mm

Treatment: Heat

Origin: Tanzania

Identification: Tanzanite

Color: Violet

Cut: Trillion

Carat: 3.25ct.

Measurements (LxW): 9.2x9.2mm

Treatment: Heat

Origin: Tanzania

Identification: Tanzanite

Color: Violet

Cut: Freeform Riverstone

Carat: 20.49ct.

Measurements (LxW): 22.2x13.7mm

The 14k white gold tanzanite and diamond pendant is a teardrop shape that features a bezel set center pear shape tanzanite surrounded by a frame of round brilliant cut diamonds.

An additional pear shape tanzanite and round brilliant cut diamond are bezel set at the top of the pendant.

Two round brilliant cut diamonds are bezel set into the 18" 14kt white gold cable chain.

The tanzanite have a carat total weight of 0.75ctw.

The twenty six diamonds are GH color, SI2/I1 clarity and have a carat weight of 0.50ctw.

Identification: Tanzanite

Color: Violet

Cut: Cushion

Carat: 1.72ct.

Measurements: 6.6mm

Treatment: Heat

Origin: Tanzania

The 18k white gold blue zircon and diamond ring is a prong set style with a leaf motif that features one center oval blue zircon flanked by two round brilliant cut side diamonds and accented by round brilliant cut diamonds set into the leaves and on the split style euro-shank.

The blue zircon has a carat weight of 3.39ct.

The diamonds are G color, VS2/SI1 clarity and have a carat total weight of 0.73ctw.

The 14k white gold blue zircon & diamond ring is a halo style that features one center round brilliant cut blue zircon surrounded by round brilliant cut diamonds in the halo and accented by round brilliant cut diamonds in the split style shank.

The blue zircon has a carat weight of 1.05ct.

The diamonds are G/H color, SI2 clarity and have a carat total weight of 0.33ctw.

The 14k yellow gold blue zircon and diamond ring is a prong set style that features one round brilliant cut blue zircon accented on the center head by two round brilliant cut diamonds.

The blue zircon has a carat weight of 1.42ct.

The diamonds are G/H color, VS2/SI1 clarity and have a carat total weight of 0.02ctw.

The 14k white gold blue zircon and diamond ring is a bezel set style that features one round brilliant cut blue zircon accented by round brilliant cut diamonds on the shank.

The blue zircon has a carat weight of 1.48ct. 

The diamonds are H color, SI1 clarity and have a carat total weight of 0.52ctw.

The 18k white gold blue zircon & diamond pendant is a halo style that features one cushion cut blue zircon surrounded by a frame of round brilliant cut diamonds.

The blue zircon has a carat weight of 5.31ct.

The diamonds are H/I color, SI clarity and have a carat total weight of 0.26ctw.

Chain of your choice, sold separately.

Identification: Blue Zircon

Color: Blue

Cut: Oval

Carat: 4.10ctw.

Measurements (LxW): 7.1x6.1mm

Treatment: Heat

Origin: Cambodia

Identification: Blue Zircon

Color: Blue

Cut: Octagonal Step

Carat: 8.41ct.

Measurements: 10 x 10 mm

Treatment: Heat

Origin: Zambia