The Collection

Pieces and gemstones available now.

Finished jewelry, designer-cut gemstones by Mark Gronlund and other master cutters, jadeite and pearls. Every piece can be viewed by appointment, and any loose stone can be set into a custom design.

BTC Crypto Coin PendantJewelryBTC Crypto Coin PendantPrice Available Upon Request80ct London Blue Topaz and 3.5ct Malaya Imperial Garnet and Diamond PendantJewelry80ct London Blue Topaz and 3.5ct Malaya Imperial Garnet and Diamond PendantPrice Available Upon RequestOval Cut 9ct Madeira Post and Clip Earrings in 14kt Gold with .50ct of DiamondsJewelryOval Cut 9ct Madeira Post and Clip Earrings in 14kt Gold with .50ct of DiamondsPrice Available Upon RequestNew Earrings with 8ct Total Weight Madeira Citrine Trillions Cut by Mark Gronlund with 1ct SI1 G Color DiamondsJewelryNew Earrings with 8ct Total Weight Madeira Citrine Trillions Cut by Mark Gronlund with 1ct SI1 G Color DiamondsPrice Available Upon RequestBurmese Jadeite Matching Cabochons Ovals total weight 31.46ctsJadeiteBurmese Jadeite Matching Cabochons Ovals total weight 31.46ctsPrice Available Upon Request124ct Koroit Boulder Opal Pendant with 14kt Gold 2mm Snake ChainJewelry124ct Koroit Boulder Opal Pendant with 14kt Gold 2mm Snake ChainPrice Available Upon RequestThree Strand 17 inch 6.5-7mm new AAA+ quality Akoya Pearl Necklace with Vintage Sapphire and Diamond ClaspPearlsThree Strand 17 inch 6.5-7mm new AAA+ quality Akoya Pearl Necklace with Vintage Sapphire and Diamond ClaspPrice Available Upon RequestNigerian Pink Tourmaline Pendant with a 7.93ct flawless stone Trillion Concave, Spiral, Brilliant Starburst cut by World Class Cutter Mark GronlundJewelryNigerian Pink Tourmaline Pendant with a 7.93ct flawless stone Trillion Concave, Spiral, Brilliant Starburst cut by World Class Cutter Mark GronlundPrice Available Upon RequestVery Rare Large 15.5-16mm White, Round and Clean South Sea Pearl Earrings in 14kt White GoldPearlsVery Rare Large 15.5-16mm White, Round and Clean South Sea Pearl Earrings in 14kt White GoldPrice Available Upon RequestFine Estate 5.13ct Light Blue Aquamarine Ring in 14kt White Gold with 1.90ct SI G Color Fine DiamondsJewelryFine Estate 5.13ct Light Blue Aquamarine Ring in 14kt White Gold with 1.90ct SI G Color Fine DiamondsPrice Available Upon RequestEstate Beautiful Rare Pink Champagne 11-13mm Clean Round Cultured Pearl 18 inch NecklacePearlsEstate Beautiful Rare Pink Champagne 11-13mm Clean Round Cultured Pearl 18 inch NecklacePrice Available Upon RequestAssorted Mark Gronlund - World-Class Designer Cut GemstonesLoose gemstonesAssorted Mark Gronlund - World-Class Designer Cut GemstonesPrice Available Upon Request4.40ct Nigerian Pink Tourmaline. Cut by AGTA Award Winner Mark GronlundLoose gemstones4.40ct Nigerian Pink Tourmaline. Cut by AGTA Award Winner Mark GronlundPrice Available Upon Request4.45ct Marquise/Concave Starburst Cut Nigerian Pink Tourmaline Cut by Mark GronlundLoose gemstones4.45ct Marquise/Concave Starburst Cut Nigerian Pink Tourmaline Cut by Mark GronlundPrice Available Upon Request6.31ct Very Rare Round Cabochon Nigerian Pink Tourmaline Custom Cut by Mark GronlundLoose gemstones6.31ct Very Rare Round Cabochon Nigerian Pink Tourmaline Custom Cut by Mark GronlundPrice Available Upon Request14ct Brazilian Fancy Cut AmetrineLoose gemstones14ct Brazilian Fancy Cut AmetrinePrice Available Upon RequestNigerian Pink TourmalineLoose gemstonesNigerian Pink TourmalinePrice Available Upon Request10.33ct Square Cushion /Concave Spiral Starburst Nigerian Pink Tourmaline Cut by Mark GronlundLoose gemstones10.33ct Square Cushion /Concave Spiral Starburst Nigerian Pink Tourmaline Cut by Mark GronlundPrice Available Upon RequestRare 14ct GIA Certified Green Jadeite Ring in 18kt Gold Custom Mounting with 1.85ct of DiamondsJadeiteRare 14ct GIA Certified Green Jadeite Ring in 18kt Gold Custom Mounting with 1.85ct of DiamondsPrice Available Upon Request62ct Bolivian Ametrine Pendant in 18kt Gold Custom Mounting with .25ct of DiamondsJewelry62ct Bolivian Ametrine Pendant in 18kt Gold Custom Mounting with .25ct of DiamondsPrice Available Upon RequestGIA Certified 1.20ct Diamond Pendant in 18kt GoldJewelryGIA Certified 1.20ct Diamond Pendant in 18kt GoldPrice Available Upon Request12-13mm Round Clean High Luster South Sea Pearl Stud Earrings in 14kt White GoldPearls12-13mm Round Clean High Luster South Sea Pearl Stud Earrings in 14kt White GoldPrice Available Upon RequestFlawless 20.81ct Chrome Green Octagonal Cut Tourmaline and Diamond PendantJewelryFlawless 20.81ct Chrome Green Octagonal Cut Tourmaline and Diamond PendantPrice Available Upon Request12.5ct Australian Boulder Opal Pendant with 3.73ct Flawless TanzaniteJewelry12.5ct Australian Boulder Opal Pendant with 3.73ct Flawless TanzanitePrice Available Upon RequestVery Rare 15.5twct GIA Certified Burmese Ruby Chandelier Earrings with 0.92ct DiamondsJewelryVery Rare 15.5twct GIA Certified Burmese Ruby Chandelier Earrings with 0.92ct DiamondsPrice Available Upon RequestBeautiful Rare 12.5mm Golden South Sea Pearl and Diamond Drop EarringsPearlsBeautiful Rare 12.5mm Golden South Sea Pearl and Diamond Drop EarringsPrice Available Upon Request13ct Green Jadeite Vintage Custom 18kt Gold Ring. .90ct VVS-VS Diamonds G-H ColorJadeite13ct Green Jadeite Vintage Custom 18kt Gold Ring. .90ct VVS-VS Diamonds G-H ColorPrice Available Upon RequestLarge Citrine 33.63ct Trillion Custom Cut by Mark GronlundLoose gemstonesLarge Citrine 33.63ct Trillion Custom Cut by Mark GronlundPrice Available Upon RequestCitrine 15.36ct Trillion custom cut by Mark GronlundLoose gemstonesCitrine 15.36ct Trillion custom cut by Mark GronlundPrice Available Upon RequestPeridot 8.59ct Fancy Cut by Mark GronlundLoose gemstonesPeridot 8.59ct Fancy Cut by Mark GronlundPrice Available Upon RequestAmethyst 35.97ct Fancy Cut by Mark GronlundLoose gemstonesAmethyst 35.97ct Fancy Cut by Mark GronlundPrice Available Upon RequestAmethyst 25.15ct Fancy Cut By Mark GronlundLoose gemstonesAmethyst 25.15ct Fancy Cut By Mark GronlundPrice Available Upon RequestAmethyst 11.52ct Shark bite Custom Cut by Mark GronlundLoose gemstonesAmethyst 11.52ct Shark bite Custom Cut by Mark GronlundPrice Available Upon RequestGreen Tourmaline 8.44ct Cut by Mark GronlundLoose gemstonesGreen Tourmaline 8.44ct Cut by Mark GronlundPrice Available Upon RequestYellow Beryl 7.05ct cut by Mark GronlundLoose gemstonesYellow Beryl 7.05ct cut by Mark GronlundPrice Available Upon Request12.5mm Golden South Sea Pearl Ring with .95ctw Rubies and DiamondsPearls12.5mm Golden South Sea Pearl Ring with .95ctw Rubies and DiamondsPrice Available Upon Request3.5ct Oval Tanzanite Ring with 1 full carat VS-SI G-H Color DiamondsJewelry3.5ct Oval Tanzanite Ring with 1 full carat VS-SI G-H Color DiamondsPrice Available Upon Request4.5ct Heart-Shaped Morganite Pendant with Pave DiamondsJewelry4.5ct Heart-Shaped Morganite Pendant with Pave DiamondsPrice Available Upon Request4.0ct Awesome Tri Color Brazilian Watermelon TourmalineSoldLoose gemstones4.0ct Awesome Tri Color Brazilian Watermelon TourmalineSoldApple Green Jadeite Pendant with custom 18kt gold mountJadeiteApple Green Jadeite Pendant with custom 18kt gold mountPrice Available Upon Request21ct Fine Burmese Jadeite Barrel PendantJadeite21ct Fine Burmese Jadeite Barrel PendantPrice Available Upon RequestBurmese 13ctw Lavender Jadeite bezel Earrings set in 14kt Yellow GoldJadeiteBurmese 13ctw Lavender Jadeite bezel Earrings set in 14kt Yellow GoldPrice Available Upon Request13.4MM Silver Grey Tahitian Pearl in 18kt White Gold Pendant with .35ct DiamondsPearls13.4MM Silver Grey Tahitian Pearl in 18kt White Gold Pendant with .35ct DiamondsPrice Available Upon Request8ctw Madeira Citrines Trillions Concave Starburst cut by Mark GronlundLoose gemstones8ctw Madeira Citrines Trillions Concave Starburst cut by Mark GronlundPrice Available Upon RequestOrange Red Oregon Sunstone 5.6ct from Pana MineLoose gemstonesOrange Red Oregon Sunstone 5.6ct from Pana MinePrice Available Upon Request11.47ct Brazilian Madeira Citrine Fancy CutLoose gemstones11.47ct Brazilian Madeira Citrine Fancy CutPrice Available Upon Request6.625ct Pudgy Pear Shape Raspberry Purple Red Rhodolite Garnet From KenyaLoose gemstones6.625ct Pudgy Pear Shape Raspberry Purple Red Rhodolite Garnet From KenyaPrice Available Upon RequestBlue Topaz 10.59ct Cushion Concave Fan Brilliant Cut by Mark GronlundLoose gemstonesBlue Topaz 10.59ct Cushion Concave Fan Brilliant Cut by Mark GronlundPrice Available Upon RequestBlue Topaz 15.07ct Triangular-Hexagon Concave Brilliant Cut by Mark GronlundLoose gemstonesBlue Topaz 15.07ct Triangular-Hexagon Concave Brilliant Cut by Mark GronlundPrice Available Upon RequestYellow Beryl 2.50ct Fancy Cushion Concave Starburst Cut By Mark GronlundLoose gemstonesYellow Beryl 2.50ct Fancy Cushion Concave Starburst Cut By Mark GronlundPrice Available Upon RequestBi-Color Lavender and Green Jadeite Pendant in 14kt Gold on Jade Bead NecklaceJadeiteBi-Color Lavender and Green Jadeite Pendant in 14kt Gold on Jade Bead NecklacePrice Available Upon RequestElectric Blue Topaz 8.30ct Triangular Cushion/Concave Brilliant Cut by World Class Cutter Mark GronlundLoose gemstonesElectric Blue Topaz 8.30ct Triangular Cushion/Concave Brilliant Cut by World Class Cutter Mark GronlundPrice Available Upon RequestVery Rare 2 Stone Burmese Spinel Pendant with Diamonds in 14kt Yellow GoldJewelryVery Rare 2 Stone Burmese Spinel Pendant with Diamonds in 14kt Yellow GoldPrice Available Upon RequestWhite 15.5mm Round South Sea Pearl PendantPearlsWhite 15.5mm Round South Sea Pearl PendantPrice Available Upon Request

Availability changes; please inquire to confirm a piece is still available. Prices in US dollars.