Gemstone Price Indices


The prices below are general indications only. Most diamonds and gemstones will be offered at a discount to these lists. However, exceptional stones may sell above these list prices. The only true price is what a knowledgeable buyer and seller agree to as a transaction price. No guarantees are made and no liabilities are assumed as to the accuracy or validity of these prices.

Call 1-800-458-6453 or email NGC, Attn: R. Genis for more information.

Copyright 2022 by NGC. Reproduction is strictly prohibited.


DIAMONDS (1.00-1.49CTS)

COLOR IF VVS1 VVS2 VS1 VS2
D 20000-22000 15800-17600 13600-15200 1200-13700 10800-12100
E 15300-17100 13900-15500 12600-14100 11600-12900 10100-11300
F 13600-15200 12900-14400 11200-13000 10800-12100 9600-10700
G 11600-12900 11000-12300 10500-11700 9900-11100 9100-10200
H 9800-10900 9450-10500 9000-10100 8600-9600 8200-9100

Gemological Institute Of America (GIA) grading reports only, round shapes, well-cut stones with ideal parameters.


BURMA RUBY (1.00-1.95CTS)

COLOR FI LI1 LI2 MI1 MI2
2.5 NEGOTIABLE 63000-79000 44000-55000 26000-33000 22000-28000
3.0 NEGOTIABLE 38000-48000 24000-30000 18000-22000 14000-19000
3.5 NEGOTIABLE 24000-30000 22000-27000 13750-18000 12300-15400
4.0 NEGOTIABLE 16000-21000 12000-15000 8800-11500 8000-9900
4.5 NEGOTIABLE 10000-13000 10000-12000 9000-9900 7000-8800

American Gemological Laboratories (AGL) reports with positive identification only, no heat or clarity enhancement, ovals and cushions with ideal parameters. For unheated African ruby, deduct 50%-75%. Two carat Burma Rubies sell for a 100% premium to one carat prices. Three carat Burma Rubies sell for 3X premium to one carat prices.


BURMA SAPPHIRE (1.00-1.99CTS)

COLOR FI LI1 LI2 MI1 MI2
2.5 NEGOTIABLE 13000-17000 9000-13000 8000-10500 6600-8800
3 NEGOTIABLE 9000-12000 8800-11000 6600-8800 6000-8000
3.5 NEGOTIABLE 6000-8000 5500-7000 400-5700 3850-5000
4 NEGOTIABLE 3600-5200 3500-4700 2800-3750 2300-3000
4.5 NEGOTIABLE 2500-3900 2200-3000 1760-2200 1400-1900

American Gemological Laboratories (AGL) reports with positive identification only, no heat or clarity enhancement, ovals and cushions with ideal parameters. For Kashmir, add 300%-500% depending on quality; for heated Ceylon or African, deduct 60%. Two carat Burma sapphires sell for a 30% premium to one carat prices.


COLOMBIAN EMERALDS (1.00-1.99CTS)

COLOR LI1 LI2 MI1 MI2 HI
2.5 NEGOTIABLE 32000-40000 20000-26000 14800-20000 4000-4750
3 NEGOTIABLE 27000-31000 15000-20000 11500-15400 2700-3500
3.5 NEGOTIABLE 19000-27000 11500-15500 9900-13000 2000-2700
4 NEGOTIABLE 14000-19000 8200-11000 5000-6600 1000-1350
4.5 NEGOTIABLE 9900-13000 6600-8800 3300-4400 900-1100

American Gemological Laboratories (AGL) reports with positive identification only, no treatment emerald cuts with ideal parameters. For treated emeralds, deduct 50%. African and Brazilian emeralds, deduct another 50%.  Two carat Colombian emeralds sell for a 10% premium over one carat sizes.