1. Gem Reference Guide
by Gemological Institute Of America (GIA) 
Price: USD 59.50
Dealer: Abebooks, Thylacine Books
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Gemological Institute of Ameri] Softcover dj: none. book: fine [Fort Worth, TX, U.S.A.] [Publication Year: 1988]  

2. Gem Reference Guide
by Gemological Institute of America (GIA) 
Price: USD 71.54
Dealer: Abebooks, Byrd Books
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Gemological Institute of Ameri] Softcover In Used Condition [Austin, TX, U.S.A.] [Publication Year: 1988]  

3. Gem Reference Guide
by Gemological Institute Of America (Gia) 
Price: USD 80.00
Dealer: Alibris, Maxwell's House of Books via Alibris
Description: Gemological Institute of Ameri 1988 Soft cover Very Good 4to-over 9¾-12" tall A lovely crisp, unmarked softcover in very good condition; light edge wear to cover, former owners name on front endpaper, no other markings. 

4. Gem Reference Guide
by Gemological Institute Of America GIA 
Price: USD 80.00
Dealer: Biblio, Maxwell's House of Books
Description: Gemological Institute of Ameri. A lovely crisp, unmarked softcover in very good condition; light edge wear to cover, former owners name on front endpaper, no other markings. . Very Good. Soft cover. Date: 1988. 1988. Gemological Institute of Ameri ISBN 0873110196 9780873110198 [US] 

5. Gem Reference Guide
by Gemological Institute of America (GIA) 
Price: USD 81.95
Dealer: Abebooks, GoldBooks
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Gemological Institute of Ameri] Softcover Very Good Copy. Customer Service Guaranteed [Denver, CO, U.S.A.] [Publication Year: 1988]  

6. Gem Reference Guide
by Gemological Institute of America (GIA) 
Price: USD 95.29
Dealer: Abebooks, Books of the Smoky Mountains
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Katio Kadio] Gently used book with ongoing seller support until you're fully satisfied with your purchase. [Del Rio, TN, U.S.A.] [Publication Year: 1988]  

7. Gem Reference Guide
by Gemological Institute of America (GIA) 
Price: USD 124.93
Dealer: Abebooks, Wizard Books
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Gemological Institute of Ameri] Softcover Used [Long Beach, CA, U.S.A.] [Publication Year: 1988]  

8. Gem Reference Guide
by Gemological Institute Of America (GIA) 
Price: USD 181.14
Dealer: Abebooks, Books Unplugged
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Gemological Institute of Ameri] Buy with confidence! Book is in acceptable condition with wear to the pages, binding, and some marks within [Amherst, NY, U.S.A.] [Publication Year: 1988]  

9. Gem Reference Guide
by Gemological Institute Of America (GIA) 
Price: USD 181.14
Dealer: Abebooks, Book Deals
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Gemological Institute of Ameri] Acceptable/Fair condition. Book is worn, but the pages are complete, and the text is legible. Has wear to binding and pages, may be ex-library. [Tucson, AZ, U.S.A.] [Publication Year: 1988]  

10. Gem Reference Guide
by Gemological Institute Of America (GIA) 
Price: USD 181.14
Dealer: Abebooks, GF Books, Inc.
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Gemological Institute of Ameri] Book is in Used-VeryGood condition. Pages and cover are clean and intact. Used items may not include supplementary materials such as CDs or access codes. May show signs of minor shelf wear and contain very limited notes and highlighting. [Hawthorne, CA, U.S.A.] [Publication Year: 1988]  

11. Gem Reference Guide
by Gemological Institute of America (GIA) 
Price: USD 198.25
Dealer: Abebooks, Hafa Adai Books
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Katio Kadio] [Moncks Corner, SC, U.S.A.] [Publication Year: 1988]  

12. Gem Reference Guide
by Gemological Institute Of America (GIA) 
Price: USD 222.09
Dealer: Abebooks, GF Books, Inc.
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Gemological Institute of Ameri] Book is in Used-Good condition. Pages and cover are clean and intact. Used items may not include supplementary materials such as CDs or access codes. May show signs of minor shelf wear and contain limited notes and highlighting. [Hawthorne, CA, U.S.A.] [Publication Year: 1988]  

13. Gem Reference Guide
by Gemological Institute Of America (GIA) 
Price: USD 252.15
Dealer: Abebooks, GoldenWavesOfBooks
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Gemological Institute of Ameri] Softcover New. Fast Shipping and good customer service [Fayetteville, TX, U.S.A.] [Publication Year: 1988]  

14. Gem Reference Guide
by Gemological Institute of America (GIA) 
Price: USD 253.16
Dealer: Abebooks, Front Cover Books
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Katio Kadio] [Denver, CO, U.S.A.] [Publication Year: 1988]  

15. Gem Reference Guide
by Gemological Institute of America (GIA) 
Price: USD 253.71
Dealer: Abebooks, GoldBooks
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Gemological Institute of Ameri] Softcover New Copy. Customer Service Guaranteed [Denver, CO, U.S.A.] [Publication Year: 1988]  

16. Gem Reference Guide
by Gemological Institute of America (GIA) 
Price: USD 255.39
Dealer: Abebooks, Wizard Books
Description: ISBN10: 0873110196, ISBN13: 9780873110198, [publisher: Gemological Institute of Ameri] Softcover New [Long Beach, CA, U.S.A.] [Publication Year: 1988]