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 2023 by NGC. Reproduction is strictly prohibited.


WHITE DIAMONDS (1.00-1.49CTS)

COLOR IF VVS1 VVS2 VS1 VS2
D 20000-22000 15400-17100 12400-13800 10900-12100 9300-10400
E 15100-16800 13500-15000 11500-12800 10100-11300 8700-9700
F 13400-14900 12300-13700 10700-11900 9500-10600 8200-9100
G 11000-12200 10300-11500 9600-10700 8800-9800 7600-8500
H 9200-10300 8800-9800 8200-9200 7700-8600 7200-7000

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


NO HEAT BURMA RUBY (1.00-1.95CTS)

COLOR FI LI1 LI2 MI1 MI2
2.5 NEGOTIABLE 70000-87000 48000-60000 29000-36000 25000-31000
3.0 NEGOTIABLE 42000-52000 26500-33000 19000-24000 17000-21000
3.5 NEGOTIABLE 26000-33000 24000-30000 16000-20000 13500-17000
4.0 NEGOTIABLE 18000-23000 13000-16500 10000-12500 8000-11000
4.5 NEGOTIABLE 11000-14000 10500-13000 9000-11000 7600-9600

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.


NO HEAT BURMA SAPPHIRE (1.00-1.99CTS)

COLOR FI LI1 LI2 MI1 MI2
2.5 NEGOTIABLE 15000-18700 11400-14300 9000-11500 7700-9600
3 NEGOTIABLE 10500-13200 9500-12000 7700-9600 7000-8800
3.5 NEGOTIABLE 7000-8800 6000-7700 5000-6200 4400-5500
4 NEGOTIABLE 4500-5700 4000-5100 3300-4100 2600-3300
4.5 NEGOTIABLE 3500-4300 2600-3300 1900-2400 1600-2100

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.


NO CLARITY ENHANCEMENT COLOMBIAN EMERALDS (1.00-1.99CTS)

COLOR LI1 LI2 MI1 MI2 HI
2.5 NEGOTIABLE 35000-44000 22000-29000 20000-25000 4200-5200
3 NEGOTIABLE 30000-37500 20000-25000 18000-22500 3000-3800
3.5 NEGOTIABLE 27000-34000 18000-22500 16000-20000 2400-3000
4 NEGOTIABLE 25000-31000 16000-20000 14000-17500 1200-1500
4.5 NEGOTIABLE 22500-28000 14000-16800 12000-15000 1000-1200

American Gemological Laboratories (AGL) reports with positive identification only, no clarity enhancement, emerald cuts with ideal parameters. No Clarity enhancement emeralds sell for 300%-500% premium over treated Colombian emeralds, depending on quality. All other emerald sources sell for discounts to Colombian gems.