GIA Loose Diamonds
A diamond is the symbol of eternal love and everlasting devotion. With our selection of GIA loose diamonds, you can show your love with only the most distinguished stones. From the moment you kneel until the instant when you replace the diamond ring for a wedding band, the engagement ring you choose is the representation of the connection shared between the two of you.
Anyone that has done chosen an engagement ring before can tell you that it could also be quite a daunting task, as you may already have noticed. The key to having a memorable proposal is preparation. Timing, location, and atmosphere are all big things to consider, but nothing compares to the symbolism of the engagement ring. The perfect diamond ring will make time stop still and have everyone at a loss for words.
This is precisely the reason why we specialize in providing the most illustrious diamonds. Our GIA certified loose diamonds are the perfect centerpiece for your special moment. Our loose diamonds are not exclusively for engagement rings. We have various shapes and sizes of bright diamonds to add or to replace any diamonds that may have cracked or chipped through use.
GIA diamonds are exceptional diamonds that you should consider when shopping for diamond jewelry, engagement rings, or any other flare of fine jewelry. Whether it’s an engagement ring, stud earrings, or diamond-paved bracelet, or even just a simple loose diamonds, our GIA certified diamonds are sold at the best price for the finest quality.
380 RESULTS
![GIA certified Cartier diamond ring 0.45 carat, E color, VVS2 clarity, in platinum. Size 6.5](https://cdn.grayandsons.com/s/cartier_solitaire_045_carat_ring_in_platinum_s520975_cb4a7718f3-w360.jpg.auto)
Cartier RingGIA certified Cartier diamond solitaire 0.45 carat ring in platinum. Size 6.5
S520975
![GIA Certified emerald cut diamond 5.04 carat (E color, VS2 clairity) ring](https://cdn.grayandsons.com/s/gia_certified_emerald_cut_diamond_504_carat_e_color_vs2_clairity_ring_s520896_d786ee96f7-w360.jpg.auto)
Ring GIA Certified emerald cut diamond 5.04 carat (E color, VS2 clairity) ring
S520896
![GIA certified 11.40 carat marquise shape color changing sapphire](https://cdn.grayandsons.com/s/gia_certified_1140_carat_marquise_shape_color_changing_sapphire_s520860_3d0d3dd300-w360.jpg.auto)
Ring GIA certified 11.40 carat marquise shape color changing sapphire
S520860
![GIA certified round brilliant cut 1.14 carat D color, VS2 clarity diamond ring](https://cdn.grayandsons.com/s/gia_certified_round_brilliant_cut_114_carat_d_color_vs2_clarity_diamond_ring_s515659_af61b29ee0-w360.jpg.auto)
Ring GIA certified round brilliant cut 1.14 carat D color, VS2 clarity diamond ring
S515659
![GIA certified emerald cut 4.85 carat diamond (I color, VS1 clarity) ring](https://cdn.grayandsons.com/s/gia_certified_emerald_cut_485_carat_diamond_i_color_vs1_clarity_ring_s520506_94967c064d-w360.jpg.auto)
Ring GIA certified emerald cut 4.85 carat diamond (I color, VS1 clarity) ring
S520506
![GIA certified cut-cornerned rectangular modified brilliant 1.22 carat (D color, SI2 clarity)](https://cdn.grayandsons.com/s/gia_certified_cut_cornerned_rectangular_modified_brilliant_122_carat_d_color_si2_clarity_s520781_b7e0ad8dff-w360.jpg.auto)
Ring GIA certified cut-cornerned rectangular modified brilliant 1.22 carat (D color, SI2 clarity)
S520781
![GIA certified 5.16 carat Fancy Yellow diamond ring in 18k](https://cdn.grayandsons.com/s/gia_certified_516_carat_fancy_yellow_diamond_ring_in_18k_s520752_bf51c3c3b1-w360.jpg.auto)
Ring GIA certified 5.16 carat Fancy Yellow Diamond ring in 18k white gold
S520752
![GIA Certified round brilliant cut 3.09 carat diamond, H Color, VS2 clarity set on a "FINGER MATE" platinum & 14K white gold setting with 4 tapered baguettes](https://cdn.grayandsons.com/s/gia_certified_round_brilliant_cut_309_carat_diamond_h_color_vs2_clarity_set_on_a_finger_mate_platinum_and_14k_white_gold_setting_with_4_s519751_9fd3e9762d-w360.jpg.auto)
Ring GIA Certified round brilliant cut 3.09 carat diamond, H Color, VS2 clarity set on a "FINGER MATE" platinum & 14K white gold setting with 4 tapered baguettes
S519751
![GIA rectangular modified brilliant 1.08 carat diamond (E color, VVS1 clarity set in platinum](https://cdn.grayandsons.com/s/gia_rectangular_modified_brilliant_1_08_carat_diamond_e_color_vvs1_clarity_set_in_platinum_s520648_77f0d3addf-w360.jpg.auto)
Ring GIA rectangular modified brilliant 1.08 carat diamond (E color, VVS1 clarity)
S520648
![GIA certified round brilliant cut diamond 1.05 carat (H color, SI2 clarity) ring](https://cdn.grayandsons.com/s/gia_certified_tension_set_1_05_carat_h_color_si2_clarity_round_brilliant_cut_diamond_ring_in_platinum_s520556_c3b5cdc84b-w360.jpg.auto)
Ring GIA certified round brilliant cut diamond 1.05 carat (H color, SI2 clarity) ring
S520556
![GIA certified round brilliant cut 1.11 carat diamond set in 18K gold basket weaved textured ring mounting,](https://cdn.grayandsons.com/s/basket_weave_diamond_ring_approx_1_20_ct_h_i_si2_s520551_4de76925ff-w360.jpg.auto)
Ring Mens Basket Weave Textured Ring with Diamond over 1 carat
S520551
![GIA certified marquise cut diamond 4 carat (G color, VVS1 clarity, Excellent polish)](https://cdn.grayandsons.com/s/gia_certified_marquise_cut_diamond_4_carat_ring_set_in_a_platinum_setting_s520548_0d4d17063c-w360.jpg.auto)
Ring GIA certified marquise cut diamond 4 carat (G color, VVS1 clarity, Excellent polish)
S520548
![GIA certified princess cut diamond 2.09 carat (J color, SI1 clarity) solitaire ring](https://cdn.grayandsons.com/s/gia_certified_princess_cut_diamond_2_09_carat_j_color_si1_clarity_solitaire_ring_s520530_1574a5de64-w360.jpg.auto)
Ring GIA certified princess cut diamond 2.09 carat (J color, SI1
S520530
![Emerald cut eternity band with approximately 6 carats set in platinum](https://cdn.grayandsons.com/s/emerald_cut_eternity_band_with_approximately_6_carats_set_in_platinum_s520458_b09e7b3d9a-w360.jpg.auto)
Ring Emerald cut eternity band with approximately 6 carats set in platinum
S520458
![GIA certified pear brilliant cut 1.52 carat diamond (D color, SI1 clarity, Excellent polish) ring](https://cdn.grayandsons.com/s/gia_certified_pearl_brilliant_cut_1_52_carat_diamond_d_color_si1_clarity_excellent_polish_ring_s520397_9eb40b338e-w360.jpg.auto)
Ring GIA certified pear brilliant cut 1.52 carat diamond (D color
S520397
![GIA certified pear brilliant shape 1.72 carat diamond (J color, SI1 clarity) ring](https://cdn.grayandsons.com/s/gia_certified_pear_brilliant_shape_1_72_carat_diamond_j_color_si1_clarity_ring_s520311_a0fe636d1a-w360.jpg.auto)
Ring GIA certified pear brilliant shape 1.72 carat diamond ring
S520311
![GIA certified round brilliant cut 2.19 carat diamond (H color, SI1 clarity) ring](https://cdn.grayandsons.com/s/gia_certified_round_brilliant_cut_2_19_carat_diamond_h_color_si1_clarity_ring_s520435_44f66e2657-w360.jpg.auto)
Ring GIA certified round brilliant cut 2.19 carat diamond (H color, SI1 clarity) ring
S520435
![GIA certified, cut-cornered rectangular modified brilliant diamonds Eternity band in platinum. Approx. Weight: 15 carats.](https://cdn.grayandsons.com/s/gia_certified_cut_cornered_rectangular_modified_brilliant_diamonds_eternity_band_in_platinum_approx_weight_15_carats_s520169_1ebafdeaf4-w360.jpg.auto)
Ring GIA certified Diamonds eternity band platinum.Total approx. weight: 15 carats
S520169
![GIA certified round brilliant cut 2 carat diamond (I color, VS2 clarity) ring](https://cdn.grayandsons.com/s/gia_certified_round_brilliant_cut_2_carat_diamond_i_color_vs2_clarity_ring_s520166_6932fc192b-w360.jpg.auto)
Ring GIA Certified Round Brilliant Cut Diamond Ring
S520166
![GIA certified round brilliant cut 1.01 carat diamond (E color, VVS2 clarity) ring](https://cdn.grayandsons.com/s/gia_certified_round_brilliant_cut_1_01_carat_diamond_e_color_vvs2_clarity_ring_s520157_a26db207aa-w360.jpg.auto)
Ring Gia Certified Rount Brilliant Cut Diamond Ring
S520157
![GIA certified round brilliant cut diamond 1.14 carat (H color, I1 clarity, Excellent cut, Excellent polish, Excellent symmetry)](https://cdn.grayandsons.com/s/gia_certified_round_brilliant_cut_diamond_1_14_carat_h_color_i1_clarity_excellent_cut_excellent_polish_excellent_symmetry_s519907_1674ad5365-w360.jpg.auto)
Ring GIA certified round brilliant cut diamond 1.14 carat
S519907
![GIA certified round brilliant cut 1.78 carat diamond (I color, VS1 clarity) ring](https://cdn.grayandsons.com/s/gia_certified_round_brilliant_cut_1_78_carat_diamond_i_color_vs1_clarity_ring_s519860_47149a9b5d-w360.jpg.auto)
Ring GIA certified round brilliant cut 1.78 carat diamond (I color, VS1 clarity) ring
S519860
![Cartier "Destinee" collection, GIA certified 0.73 carat full ct round brilliant diamond set in a halo platinum setting.](https://cdn.grayandsons.com/s/cartier_destinee_collection_gia_certified_0_73_caratt_full_ct_round_brilliant_diamond_set_in_a_halo_platinum_setting_s518829_9ebfb65483-w360.jpg.auto)
Cartier RingCartier "Destinee" collection, GIA certified 0.73 carat full ct round brilliant diamond set in a halo platinum setting.
S518829
![GIA certified 4.11 carat natural beryl cushion cut emerald ring](https://cdn.grayandsons.com/s/gia_certified_4_11_carat_natural_beryl_cushion_cut_emerald_ring_s519911_fde3fdaeaa-w360.jpg.auto)
Ring GIA certified 4.11 carat natural beryl cushion cut emerald ring
S519911
![GIA Certified Round Brilliant Cut Diamond 1.00 Carat (E Color, Very Good Symmetry) Ring Set In Platinum](https://cdn.grayandsons.com/s/gia_certified_round_brilliant_cut_diamond_1_carat_e_color_i2_clarity_ring_set_in_platinum_s519862_0d407314ef-w360.jpg.auto)
Ring GIA Certified Round Brilliant Cut Diamond 1.00 Carat (E Color, Very Good Symmetry) Ring Set In Platinum
S519862
![GIA Certified ruby & diamonds ring set in platinum. Brilliant oval cut ruby: 5.03 carats](https://cdn.grayandsons.com/s/platinum_ring_with_5_03_carat_cushion_cut_ruby_and_0_56_carat_in_accent_diamonds_s519904_367f84cc79-w360.jpg.auto)
Ring GIA Certified ruby & diamonds ring set in platinum. Brilliant oval cut ruby: 5.03 carats
S519904
![Gia Certified Marquise Diamond 1.01 Ct (D Color, Si1 Clarity)](https://cdn.grayandsons.com/s/gia_certified_marquise_diamond_1_01_ct_d_color_si1_clarity_s510337_046ee4883e-w360.jpg.auto)
Ring Gia Certified Marquise Diamond 1.01 Ct (D Color, Si1 Clarity)
S510337
![GIA certified round brilliant cut diamond 1.02 carat (G color, Internally Flawless clarity) ring set in Tacori platinum setting](https://cdn.grayandsons.com/s/gia_certified_round_brilliant_cut_diamond_1_02_carat_g_color_if_clarity_ring_set_in_tacori_platinum_setting_s519868_b6172ffe14-w360.jpg.auto)
Ring GIA certified round brilliant cut diamond 1.02 carat (G color, Internally Flawless clarity) ring set in Tacori platinum setting
S519868
![GIA certified rectangular modified brilliant cut 0.74 carat diamond (E color, SI1 clarity)](https://cdn.grayandsons.com/s/gia_certified_rectangular_modified_brilliant_cut_0_74_carat_diamond_e_color_si1_clarity_s519701_84bbcb81de-w360.jpg.auto)
Ring GIA certified rectangular modified brilliant cut 0.74 carat diamond (E color, SI1 clarity)
S519701
![GIA certified square emerald cut diamond 4.08 carat (G color, VVS1 clarity) ring set in platinum](https://cdn.grayandsons.com/s/gia_certified_square_emerald_cut_diamond_4_08_carat_g_color_vvs1_clarity_ring_set_in_platinum_s519624_a6984a9d0c-w360.jpg.auto)
Ring GIA certified square emerald cut diamond 4.08 carat (G color, VVS1 clarity) ring set in platinum
S519624
![GIA certified cut-cornered rectangular modified brilliant "RADIANT" cut diamond 5.07 carat ( I color, VS2 clarity) ring set in platinum](https://cdn.grayandsons.com/s/gia_certified_cut_cornered_rectangular_modified_brilliant_radiant_cut_diamond_5_07_carat_i_color_vs2_clarity_ring_set_in_platinum_s519623_a92c9b604c-w360.jpg.auto)
Ring GIA certified cut-cornered rectangular modified brilliant "RADIANT" cut diamond 5.07 carat ( I color, VS2 clarity) ring set in platinum
S519623
![GIA certified 4.00 carat natural fancy yellow even, Cut Cornered Square Modified Brilliant Diamond, VS2 clarity, ring in platinum and 18Kt yellow gold](https://cdn.grayandsons.com/s/gia_certified_4_00_carat_natural_fancy_yellow_even_cut_cornered_square_modified_brilliant_diamond_vs2_clarity_ring_in_platinum_and_18kt_yellow_gold_s519616_6f9d75d598-w360.jpg.auto)
Ring GIA certified 4.00 carat natural fancy yellow even, Cut Cornered Square Modified Brilliant Diamond, VS2 clarity, ring in platinum and 18Kt yellow gold
S519616
![GIA certified cushion modified brilliant cut diamond 5.17 carat ( G color, SI2 clarity) ring](https://cdn.grayandsons.com/s/gia_certified_cushion_modified_brilliant_cut_diamond_5_17_carat_g_color_si2_clarity_ring_s519613_d8770c1ce7-w360.jpg.auto)
Ring GIA certified cushion modified brilliant cut diamond 5.17 carat ( G color, SI2 clarity) ring
S519613
![GIA certified round brilliant cut diamond 2.03 carat ( I color, SI1 clarity) ring set in platrinum](https://cdn.grayandsons.com/s/gia_certified_round_brilliant_cut_diamond_2_03_carat_i_color_si1_clarity_ring_set_in_platrinum_s519611_2c7417bcb9-w360.jpg.auto)
Ring GIA certified round brilliant cut diamond 2.03 carat ( I color, SI1 clarity) ring set in platrinum
S519611
![GIA certified 3.04 carat round brilliant cut diamond- D color- SI2 clarity.](https://cdn.grayandsons.com/s/gia_certified_3_04_carat_round_brilliant_cut_diamond_d_color_si2_clarity_s519608_db2105873f-w360.jpg.auto)
Ring GIA certified 3.04 carat round brilliant cut diamond- D color- SI2 clarity.
S519608
![GIA certified diamond ring 1.61cts (J color, VS1 clarity)](https://cdn.grayandsons.com/s/gia_certified_diamond_ring_1_61cts_j_color_vs1_clarity_s514630_b2c83c4337-w360.jpg.auto)
Ring GIA certified diamond ring 1.61cts (J color, VS1 clarity)
S514630
Buying GIA Certified Loose Diamonds
You may already know to look for quality diamond jewelry, but how do certified GIA loose diamonds differentiate from standard stones? Any diamond that has an accompanying GIA certificate simply means that it has been authenticated, proven natural, and graded against the 4 big C’s of diamond quality. Color, Clarity, Cut, and Carat weight. These are the determining factors that gauge a loose diamond's quality and value. GIA classifications serve as the standard method of comparing and evaluating a diamond’s unique attributes.
Gray & Sons Jewelers will never sell a diamond without getting it professionally certified by the experts at the Gemological Institute of America (GIA). An authenticity certificate accompanies all of the stones in our collection of loose diamonds. From the GIA diamond stud earrings to all the other GIA diamond jewelry that we sell, every option in this collection has been carefully poured over by experts to ensure the highest levels of quality and excellence for this beautiful stone. We offer several exquisite cuts to the loose stones we offer so you are sure to find the right one for your needs. From heart-shaped stones to marquise cuts, we have an option sure to dazzle and delight. We also offer consignment options for those looking to sell GIA loose diamond stones. Call us today or send us an email to receive a free diamond quote and get assistance from one of our accredited Gemologists.