Diamond, Estate and Antique Jewelry Appraisals by a Certified Diamond, Estate and Antique Jewelry Appraiser located in Manhattan, NYC

Diamond, Antique and Estate Jewelry Appraisals

 

Diamond Appraisal & Antique Jewelry Appraisals

Certified Diamond and Antique Jewelry Appraiser
Mark Bunda, FGAA, AAA.

 

Over 30 years experience in the Decorative Arts NYU class of 1999 & 2004 Diamond Certificate & Alumni
 

 

 

Gemologist

Previous Jewelry Appraiser for Christie’s NYC

Cost of "While-U-Watch" Appraisals

 

While-U-Watch Diamond Appraisals

For GIA/AGSL certified diamonds up to 1.10ct. in standard ring.

Commercial/Ebay Disputes, Litigation & IRS $95   ID & Insurance Appraisal Document only
Jewelry Business/Inventory Valuations Please note that Insurance Appraisals reflect full retail prices. It is incorrect to use an insurance appraisal to determine competitive buying price.
    or

Certified

BUNDA Diamond, Antique & Estate Jewelry Appraisers

608 Fifth Avenue (701), Manhattan          (SW cnr 49th St opposite Saks Fifth Avenue)

By Appointment only: 212 489 6553

$95 Verbal ID, Quality Analysis &

Competitive Price Personal Consultation
  then, if requested at the same time as consultation
$65 ID & Insurance Appraisal Document
  more information

For all other appraisals please call 212 489 6553 for a quote.

Member

 
     
     
  GEMSTONE CHARACTERISTICS  
     
Gemstone Name Specific Gravity Mohs Hardness Index of Refraction Gemstone Family
Achorite 3.03 - 3.25 7.0 - 7.5 Mohs 1.610-1.661 Tourmaline
Agate 2.65 7.0 Mohs 1.530 - 1.550 Quartz
Alexandrite 3.68 - 3.78 8.5 Mohs 1.746 - 1.755 Chrysoberyl
Almandine 3.50 - 4.30 6.5 - 7.5 Mohs 1.750 - 1.830 Garnet
Almandine Spinel 3.58 - 4.06 8.0 Mohs 1.708 - 1.735 Spinel
Almandine-Spessartine 3.50 - 4.30 6.5 - 7.5 Mohs 1.750 - 1.830 Garnet
Amazonite 2.55 - 2.76 6.0 - 6.5 Mohs 1.518 - 1.526 Feldspar
Amethyst 2.65 7.0 Mohs 1.532 - 1.554 Quartz
Andradite 3.50 - 4.30 6.5 - 7.5 Mohs 1.880 - 1.940 Garnet
Aquamarine 2.63 - 2.91 7.5 - 8.0 Mohs 1.567-1.590 Beryl
Balas Ruby 3.58 - 4.06 8.0 Mohs 1.708 - 1.735 Spinel
Black Opal 1.98 - 2.25 5.5 - 6.5 Mohs 1.440 - 1.460 Opal
Bloodstone 2.65 7.0 Mohs 1.535 - 1.539 Quartz
Brazilian Emerald 3.03 - 3.25 7.0 - 7.5 Mohs 1.610 - 1.640 Tourmaline
Cairngorm 2.65 7.0 Mohs 1.540 - 1.550 Quartz
Carnelian 2.65 7.0 Mohs 1.530 - 1.550 Quartz
Cat's Eye 3.68 - 3.78 8.5 Mohs 1.746 - 1.755 Chrysoberyl
Chalcedony 2.65 7.0 Mohs 1.544 - 1.553 Quartz
Chlorspinel 3.58 - 4.06 8.0 Mohs 1.712 - 1.717 Spinel
Chrome Pyrope 3.50 - 4.30 6.5 - 7.5 Mohs 1.730 - 1.760 Garnet
Chrysoberyl 3.68 - 3.78 8.5 Mohs 1.746 - 1.755 Chrysoberyl
Chrysoprase 2.65 7.0 Mohs 1.530 - 1.550 Quartz
Citrine 2.65 7.0 Mohs 1.532 - 1.554 Quartz
Color-Change Garnet 3.50 - 4.30 6.5 - 7.5 Mohs 1.730 - 1.760 Garnet
Demantoid 3.50 - 4.30 6.5 - 7.5 Mohs 1.880 - 1.900 Garnet
Diamond 3.51 10 Mohs 2.417 Diamond
Dravite 3.03 - 3.25 7.0 - 7.5 Mohs 1.610-1.661 Tourmaline
Emerald 2.63 - 2.91 7.5 - 8.0 Mohs 1.560 - 1.605 Beryl
Feldspar 2.55 - 2.76 6.0 - 6.5 Mohs 1.518 - 1.572 Feldspar
Fire Opal 1.98 - 2.25 5.5 - 6.5 Mohs 1.430 - 1.460 Opal
Garnet 3.50 - 4.30 6.5 - 7.5 Mohs 1.730 - 1.760 Garnet
Ghanospinel 3.58 - 4.06 8.0 Mohs 1.712 - 1.747 Spinel
Goshenite 2.63 - 2.91 7.5 - 8.0 Mohs 1.570 - 1.600 Beryl
Green Quartz 2.65 7.0 Mohs 1.540-1.550 Quartz
Grossular 3.50 - 4.30 6.5 - 7.5 Mohs 1.880 - 1.940 Garnet
Heliodore 2.63 - 2.91 7.5 - 8.0 Mohs 1.570 - 1.600 Beryl
Heliotrope 2.65 7.0 Mohs 1.535 - 1.539 Quartz
Hessonite 3.50 - 4.30 6.5 - 7.5 Mohs 1.730 - 1.760 Garnet
Hyacinth 4.60 - 4.70 7.5 Mohs 1.777 - 1.987 Zircon
Indicolite 3.03 - 3.25 7.0 - 7.5 Mohs 1.610 - 1.640 Tourmaline
Jade 2.90 - 3.10 6.0 Mohs 1.640 - 1.667 Jade
Jadeite 2.90 - 3.10 6.0 Mohs 1.640 - 1.667 Jade
Jargon 4.60 - 4.70 7.5 Mohs 1.777 - 1.987 Zircon
Jasper 2.65 7.0 Mohs 1.540 - 1.550 Quartz
Labradorite 2.55 - 2.76 6.0 - 6.5 Mohs 1.560 - 1.572 Feldspar
Lapis Lazuli 2.70 - 2.90 5.0 - 5.5 Mohs 1.500 - 1.550 Lapis Lazuli
Malaia 3.50 - 4.30 6.5 - 7.5 Mohs 1.880 - 1.940 Garnet
Matura Diamond 4.60 - 4.70 7.5 Mohs 1.777 - 1.987 Zircon
Moonstone 2.55 - 2.76 6.0 - 6.5 Mohs 1.518 - 1.526 Feldspar
Morganite 2.63 - 2.91 7.5 - 8.0 Mohs 1.585 - 1.594 Beryl
Morion 2.65 7.0 Mohs 1.540 - 1.550 Quartz
Nephrite 2.90 - 3.10 6.0 Mohs 1.600 - 1.641 Jade
Onyx 2.65 7.0 Mohs 1.531 - 1.539 Quartz
Opal 1.98 - 2.25 5.5 - 6.5 Mohs 1.440 - 1.460 Opal
Orthoclase 2.55 - 2.76 6.0 - 6.5 Mohs 1.518 - 1.526 Feldspar
Peridot 3.22 - 3.45 7.0 Mohs 1.635 - 1.690 Peridot
Peristerite 2.55 - 2.76 6.0 - 6.5 Mohs 1.560 - 1.572 Feldspar
Praziolite 2.65 7.0 Mohs 1.540 - 1.550 Quartz
Pyrope 3.50 - 4.30 6.5 - 7.5 Mohs 1.730 - 1.760 Garnet
Pyrope-Almandine 3.50 - 4.30 6.5 - 7.5 Mohs 1.730 - 1.760 Garnet
Pyrope-Spessartine 3.50 - 4.30 6.5 - 7.5 Mohs 1.730 - 1.760 Garnet
Quartz 2.65 7.0 Mohs 1.544 - 1.553 Quartz
Red Beryl 2.63 - 2.91 7.5 - 8.0 Mohs 1.570 - 1.598 Beryl
Rhodolite 3.50 - 4.30 6.5 - 7.5 Mohs 1.740 - 1.770 Garnet
Rock Crystal 2.65 7.0 Mohs 2.000 Quartz
Rose Quartz 2.65 7.0 Mohs 1.540 - 1.550 Quartz
Rubellite 3.03 - 3.25 7.0 - 7.5 Mohs 1.610 - 1.640 Tourmaline
Rubicelle 3.58 - 4.06 8.0 Mohs 1.712 - 1.717 Spinel
Ruby 3.96 - 4.05 9.0 Mohs 1.757 - 1.779 Corundum
Sapphire 3.96 - 4.05 9.0 Mohs 1.757 - 1.779 Corundum
Sapphire Spinel 3.58 - 4.06 8.0 Mohs 1.712 - 1.747 Spinel
Siberite 3.03 - 3.25 7.0 - 7.5 Mohs 1.625-1.675 Tourmaline
Smoky Quartz 2.65 7.0 Mohs 1.540 - 1.550 Quartz
Spessartine 3.50 - 4.30 6.5 - 7.5 Mohs 1.790 - 1.810 Garnet
Spinel 3.58 - 4.06 8.0 Mohs 1.712 - 1.717 Spinel
Sunstone 2.55 - 2.76 6.0 - 6.5 Mohs 1.560 - 1.572 Feldspar
Topaz 3.50 - 3.60 8.0 Mohs 1.607 - 1.627 Topaz
Topazolite 3.50 - 4.30 6.5 - 7.5 Mohs 1.880 - 1.940 Garnet
Tourmaline 3.03 - 3.25 7.0 - 7.5 Mohs 1.603 - 1.655 Tourmaline
Tsavorite 3.50 - 4.30 6.5 - 7.5 Mohs 1.739 - 1.744 Garnet
Turquoise 2.60 - 2.80 5.0 - 6.0 Mohs 1.610 - 1.650 Turquoise
Uvarovite 3.50 - 4.30 6.5 - 7.5 Mohs 1.740 - 1.870 Garnet
Verdilite 3.03 - 3.25 7.0 - 7.5 Mohs 1.612-1.638 Tourmaline
Water Opal 1.98 - 2.25 5.5 - 6.5 Mohs 1.440 - 1.460 Opal
White Opal 1.98 - 2.25 5.5 - 6.5 Mohs 1.440 - 1.460 Opal
Zircon 4.60 - 4.70 7.5 Mohs 1.777 - 1.987 Zircon
Source: http://www.csgnetwork.com/gemchar.html

 

 

   
  Diamond, Antique & Estate Jewelry Appraisers  
608 Fifth Avenue  (Suite  701)
(SW corner of 49th St, opposite SAKS)
New York, NY 10020
212 489 6553
by appointment only
BACK TO LINKS
HOME
 
 
Too Deep: loss of light through side Ideal: Light is returned to viewer Too Shallow: Light is lost below