GIA-Certified Diamonds

Shop for GIA-certified diamonds in Chicago at Windy City Diamonds! As you begin your search for the ideal loose diamond, browse our collection online before making your appointment at our store. You can pick a shape and set your desired price range, carat size, color grade, clarity, and quality grade. After adjusting the filters to fit your specifications, look through our available options for natural mined diamonds. If you want to get more specific with your search, you can also set “Advanced Options” for polish, symmetry, and fluorescence. Check the boxes for which certifications (GCAL, GIA, IGI) you want the diamond to have.

Buy your GIA-certified diamond from a Chicago jeweler you can trust for quality gems. Windy City Diamonds has been around for four generations, so we offer the expertise you need. Please contact us if you have questions or want to schedule an appointment at our store.

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Shape	Size	Cut	Color	Clarity	Polish	Symmetry	Fluorescence	Lab	Price
Round	0.45	Excellent	I	VS1	Excellent	Excellent	Strong (S)	GIA	$1,308
Round	0.46	Excellent	H	SI1	Very Good	Very Good	Faint (F)	GIA	$1,236
Round	0.45	Excellent	D	VVS2	Excellent	Excellent	Medium (M)	GIA	$2,110
Round	0.40	Excellent	I	SI2	Excellent	Excellent	None (N)	GIA	$846
Round	0.46	Excellent	J	VS2	Excellent	Excellent	Faint (F)	GIA	$1,358
Round	0.45	Excellent	I	VVS1	Excellent	Very Good	None (N)	GIA	$1,676
Round	0.40	Excellent	H	SI1	Very Good	Excellent	None (N)	GIA	$994
Round	0.45	Excellent	F	SI2	Very Good	Very Good	None (N)	GIA	$1,234
Round	0.40	Excellent	I	SI2	Excellent	Excellent	None (N)	GIA	$1,170
Round	0.40	Excellent	E	VS1	Excellent	Excellent	Very Strong (VS)	GIA	$1,772
Round	0.42	Excellent	E	VVS2	Excellent	Excellent	None (N)	GIA	$2,118
Round	0.45	Excellent	G	VS2	Excellent	Excellent	None (N)	GIA	$1,580
Round	0.43	Excellent	H	VS2	Very Good	Excellent	None (N)	GIA	$1,588
Round	0.45	Excellent	H	VS2	Very Good	Excellent	Faint (F)	GIA	$1,514
Round	0.31	Excellent	D	SI1	Excellent	Excellent	None (N)	GIA	$1,106
Round	0.37	Excellent	E	SI1	Excellent	Excellent	Faint (F)	GIA	$1,180
Round	0.33	Excellent	J	VS2	Excellent	Excellent	None (N)	GIA	$570
Round	0.37	Excellent	K	SI1	Excellent	Excellent	None (N)	GIA	$766
Round	0.38	Excellent	H	VS2	Excellent	Excellent	None (N)	GIA	$1,272
Round	0.38	Excellent	H	VS2	Excellent	Excellent	Faint (F)	GIA	$1,116
Round	0.40	Excellent	D	SI1	Very Good	Excellent	Strong (S)	GIA	$1,200
Round	0.40	Excellent	D	SI2	Excellent	Excellent	Faint (F)	GIA	$1,340
Round	0.41	Excellent	H	SI2	Excellent	Excellent	None (N)	GIA	$1,270
Round	0.41	Excellent	F	SI1	Excellent	Very Good	Medium (M)	GIA	$1,378
Round	0.41	Excellent	I	SI1	Excellent	Very Good	None (N)	GIA	$1,000
Round	0.41	Excellent	F	VVS1	Excellent	Excellent	None (N)	GIA	$2,189
Round	0.30	Excellent	J	VS2	Excellent	Excellent	None (N)	GIA	$518
Round	0.30	Excellent	I	VS2	Very Good	Very Good	None (N)	GIA	$800
Round	0.43	Excellent	H	VS1	Excellent	Excellent	None (N)	GIA	$1,864
Round	0.45	Excellent	J	SI2	Excellent	Very Good	None (N)	GIA	$810
Round	0.30	Excellent	E	VS2	Excellent	Excellent	None (N)	GIA	$1,126
Round	0.31	Excellent	H	IF	Excellent	Excellent	None (N)	GIA	$1,196
Round	0.31	Excellent	I	VS2	Excellent	Excellent	None (N)	GIA	$816
Round	0.31	Excellent	J	SI1	Excellent	Excellent	None (N)	GIA	$524
Round	0.30	Excellent	G	VS2	Very Good	Excellent	Faint (F)	GIA	$920
Round	0.32	Excellent	J	SI1	Excellent	Excellent	None (N)	GIA	$578
Round	0.30	Excellent	E	SI1	Excellent	Excellent	Faint (F)	GIA	$920
Round	0.33	Excellent	I	VS2	Excellent	Very Good	Faint (F)	GIA	$744
Round	0.30	Excellent	I	VVS1	Excellent	Excellent	None (N)	GIA	$946
Round	0.38	Excellent	F	VVS1	Excellent	Excellent	Faint (F)	GIA	$1,946
Round	0.30	Excellent	F	SI2	Very Good	Very Good	None (N)	GIA	$714
Round	0.38	Excellent	F	VS2	Excellent	Excellent	Faint (F)	GIA	$1,422
Round	0.30	Excellent	D	SI2	Excellent	Excellent	None (N)	GIA	$924
Round	0.40	Excellent	J	VS1	Excellent	Very Good	None (N)	GIA	$1,120
Round	0.40	Excellent	J	SI1	Excellent	Excellent	Medium (M)	GIA	$770
Round	0.40	Excellent	E	VS2	Very Good	Very Good	Faint (F)	GIA	$1,664
Round	0.30	Excellent	F	SI1	Excellent	Excellent	Medium (M)	GIA	$878
Round	0.40	Excellent	H	SI1	Excellent	Very Good	None (N)	GIA	$1,040
Round	0.41	Excellent	J	IF	Very Good	Very Good	None (N)	GIA	$1,128
Round	0.46	Excellent	G	SI1	Excellent	Excellent	Medium (M)	GIA	$1,406

Diamond Information
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0.45 Carat Round Diamond View Details Shape Round Cut Excellent Color I Symmetry Excellent Table 56.00 Fluorescence Strong (S) Report GIA Price $1,308 Carat 0.45 Clarity VS1 Polish Excellent Depth 61.30 Measurements 4.95 × 4.97 × 3.04 Girdle Tn - M
0.46 Carat Round Diamond View Details Shape Round Cut Excellent Color H Symmetry Very Good Table 56.00 Fluorescence Faint (F) Report GIA Price $1,236 Carat 0.46 Clarity SI1 Polish Very Good Depth 61.00 Measurements 4.94 × 4.98 × 3.03 Girdle M - Stk
0.45 Carat Round Diamond View Details Shape Round Cut Excellent Color D Symmetry Excellent Table 58.00 Fluorescence Medium (M) Report GIA Price $2,110 Carat 0.45 Clarity VVS2 Polish Excellent Depth 62.30 Measurements 4.86 × 4.90 × 3.04 Girdle Tn - Stk
0.40 Carat Round Diamond View Details Shape Round Cut Excellent Color I Symmetry Excellent Table 56.00 Fluorescence None (N) Report GIA Price $846 Carat 0.40 Clarity SI2 Polish Excellent Depth 63.40 Measurements 4.64 × 4.68 × 2.96 Girdle M - Stk
0.46 Carat Round Diamond View Details Shape Round Cut Excellent Color J Symmetry Excellent Table 61.00 Fluorescence Faint (F) Report GIA Price $1,358 Carat 0.46 Clarity VS2 Polish Excellent Depth 60.20 Measurements 5.01 × 5.02 × 3.02 Girdle Tn - M
0.45 Carat Round Diamond View Details Shape Round Cut Excellent Color I Symmetry Very Good Table 59.00 Fluorescence None (N) Report GIA Price $1,676 Carat 0.45 Clarity VVS1 Polish Excellent Depth 60.80 Measurements 4.96 × 4.97 × 3.02 Girdle M - Stk
0.40 Carat Round Diamond View Details Shape Round Cut Excellent Color H Symmetry Excellent Table 61.00 Fluorescence None (N) Report GIA Price $994 Carat 0.40 Clarity SI1 Polish Very Good Depth 59.30 Measurements 4.76 × 4.79 × 2.83 Girdle M - Stk
0.45 Carat Round Diamond View Details Shape Round Cut Excellent Color F Symmetry Very Good Table 55.00 Fluorescence None (N) Report GIA Price $1,234 Carat 0.45 Clarity SI2 Polish Very Good Depth 63.20 Measurements 4.81 × 4.86 × 3.06 Girdle M - Stk
0.40 Carat Round Diamond View Details Shape Round Cut Excellent Color I Symmetry Excellent Table 57.00 Fluorescence None (N) Report GIA Price $1,170 Carat 0.40 Clarity SI2 Polish Excellent Depth 63.20 Measurements 4.65 × 4.68 × 2.95 Girdle Tn - Stk
0.40 Carat Round Diamond View Details Shape Round Cut Excellent Color E Symmetry Excellent Table 57.00 Fluorescence Very Strong (VS) Report GIA Price $1,772 Carat 0.40 Clarity VS1 Polish Excellent Depth 62.30 Measurements 4.71 × 4.73 × 2.94 Girdle M - Stk
0.42 Carat Round Diamond View Details Shape Round Cut Excellent Color E Symmetry Excellent Table 57.00 Fluorescence None (N) Report GIA Price $2,118 Carat 0.42 Clarity VVS2 Polish Excellent Depth 62.50 Measurements 4.77 × 4.80 × 2.99 Girdle M - Stk
0.45 Carat Round Diamond View Details Shape Round Cut Excellent Color G Symmetry Excellent Table 58.00 Fluorescence None (N) Report GIA Price $1,580 Carat 0.45 Clarity VS2 Polish Excellent Depth 60.30 Measurements 4.99 × 5.01 × 3.01 Girdle M - M
0.43 Carat Round Diamond View Details Shape Round Cut Excellent Color H Symmetry Excellent Table 61.00 Fluorescence None (N) Report GIA Price $1,588 Carat 0.43 Clarity VS2 Polish Very Good Depth 59.90 Measurements 4.94 × 4.96 × 2.97 Girdle Tn - M
0.45 Carat Round Diamond View Details Shape Round Cut Excellent Color H Symmetry Excellent Table 58.00 Fluorescence Faint (F) Report GIA Price $1,514 Carat 0.45 Clarity VS2 Polish Very Good Depth 60.60 Measurements 4.97 × 4.99 × 3.02 Girdle M - Stk
0.31 Carat Round Diamond View Details Shape Round Cut Excellent Color D Symmetry Excellent Table 61.00 Fluorescence None (N) Report GIA Price $1,106 Carat 0.31 Clarity SI1 Polish Excellent Depth 60.00 Measurements 4.42 × 4.43 × 2.66 Girdle Tn - M
0.37 Carat Round Diamond View Details Shape Round Cut Excellent Color E Symmetry Excellent Table 58.00 Fluorescence Faint (F) Report GIA Price $1,180 Carat 0.37 Clarity SI1 Polish Excellent Depth 62.00 Measurements 4.58 × 4.60 × 2.84 Girdle M - Stk
0.33 Carat Round Diamond View Details Shape Round Cut Excellent Color J Symmetry Excellent Table 57.00 Fluorescence None (N) Report GIA Price $570 Carat 0.33 Clarity VS2 Polish Excellent Depth 62.80 Measurements 4.41 × 4.44 × 2.78 Girdle M - Stk
0.37 Carat Round Diamond View Details Shape Round Cut Excellent Color K Symmetry Excellent Table 55.00 Fluorescence None (N) Report GIA Price $766 Carat 0.37 Clarity SI1 Polish Excellent Depth 60.30 Measurements 4.69 × 4.73 × 2.84 Girdle Tn - M
0.38 Carat Round Diamond View Details Shape Round Cut Excellent Color H Symmetry Excellent Table 59.00 Fluorescence None (N) Report GIA Price $1,272 Carat 0.38 Clarity VS2 Polish Excellent Depth 61.30 Measurements 4.65 × 4.68 × 2.86 Girdle M - Stk
0.38 Carat Round Diamond View Details Shape Round Cut Excellent Color H Symmetry Excellent Table 58.00 Fluorescence Faint (F) Report GIA Price $1,116 Carat 0.38 Clarity VS2 Polish Excellent Depth 62.70 Measurements 4.61 × 4.64 × 2.90 Girdle Tn - M
0.40 Carat Round Diamond View Details Shape Round Cut Excellent Color D Symmetry Excellent Table 56.00 Fluorescence Strong (S) Report GIA Price $1,200 Carat 0.40 Clarity SI1 Polish Very Good Depth 62.10 Measurements 4.72 × 4.73 × 2.93 Girdle M - Stk
0.40 Carat Round Diamond View Details Shape Round Cut Excellent Color D Symmetry Excellent Table 58.00 Fluorescence Faint (F) Report GIA Price $1,340 Carat 0.40 Clarity SI2 Polish Excellent Depth 62.60 Measurements 4.70 × 4.73 × 2.95 Girdle M - M
0.41 Carat Round Diamond View Details Shape Round Cut Excellent Color H Symmetry Excellent Table 56.00 Fluorescence None (N) Report GIA Price $1,270 Carat 0.41 Clarity SI2 Polish Excellent Depth 62.80 Measurements 4.72 × 4.75 × 2.97 Girdle M - Stk
0.41 Carat Round Diamond View Details Shape Round Cut Excellent Color F Symmetry Very Good Table 62.00 Fluorescence Medium (M) Report GIA Price $1,378 Carat 0.41 Clarity SI1 Polish Excellent Depth 60.80 Measurements 4.80 × 4.82 × 2.92 Girdle M - Stk
0.41 Carat Round Diamond View Details Shape Round Cut Excellent Color I Symmetry Very Good Table 58.00 Fluorescence None (N) Report GIA Price $1,000 Carat 0.41 Clarity SI1 Polish Excellent Depth 62.50 Measurements 4.72 × 4.75 × 2.96 Girdle M - Stk
0.41 Carat Round Diamond View Details Shape Round Cut Excellent Color F Symmetry Excellent Table 60.00 Fluorescence None (N) Report GIA Price $2,189 Carat 0.41 Clarity VVS1 Polish Excellent Depth 60.20 Measurements 4.82 × 4.86 × 2.91 Girdle M - Stk
0.30 Carat Round Diamond View Details Shape Round Cut Excellent Color J Symmetry Excellent Table 60.00 Fluorescence None (N) Report GIA Price $518 Carat 0.30 Clarity VS2 Polish Excellent Depth 58.80 Measurements 4.38 × 4.40 × 2.58 Girdle Tn - M
0.30 Carat Round Diamond View Details Shape Round Cut Excellent Color I Symmetry Very Good Table 58.00 Fluorescence None (N) Report GIA Price $800 Carat 0.30 Clarity VS2 Polish Very Good Depth 62.70 Measurements 4.24 × 4.27 × 2.67 Girdle M - Stk
0.43 Carat Round Diamond View Details Shape Round Cut Excellent Color H Symmetry Excellent Table 60.00 Fluorescence None (N) Report GIA Price $1,864 Carat 0.43 Clarity VS1 Polish Excellent Depth 59.30 Measurements 4.93 × 4.95 × 2.93 Girdle Tn - M
0.45 Carat Round Diamond View Details Shape Round Cut Excellent Color J Symmetry Very Good Table 59.00 Fluorescence None (N) Report GIA Price $810 Carat 0.45 Clarity SI2 Polish Excellent Depth 60.50 Measurements 4.93 × 4.96 × 2.99 Girdle M - Stk
0.30 Carat Round Diamond View Details Shape Round Cut Excellent Color E Symmetry Excellent Table 57.00 Fluorescence None (N) Report GIA Price $1,126 Carat 0.30 Clarity VS2 Polish Excellent Depth 63.40 Measurements 4.22 × 4.26 × 2.69 Girdle M - Stk
0.31 Carat Round Diamond View Details Shape Round Cut Excellent Color H Symmetry Excellent Table 58.00 Fluorescence None (N) Report GIA Price $1,196 Carat 0.31 Clarity IF Polish Excellent Depth 60.30 Measurements 4.43 × 4.46 × 2.68 Girdle M - M
0.31 Carat Round Diamond View Details Shape Round Cut Excellent Color I Symmetry Excellent Table 58.00 Fluorescence None (N) Report GIA Price $816 Carat 0.31 Clarity VS2 Polish Excellent Depth 61.80 Measurements 4.35 × 4.38 × 2.70 Girdle Stk - Stk
0.31 Carat Round Diamond View Details Shape Round Cut Excellent Color J Symmetry Excellent Table 56.00 Fluorescence None (N) Report GIA Price $524 Carat 0.31 Clarity SI1 Polish Excellent Depth 63.20 Measurements 4.28 × 4.31 × 2.72 Girdle M - Stk
0.30 Carat Round Diamond View Details Shape Round Cut Excellent Color G Symmetry Excellent Table 56.00 Fluorescence Faint (F) Report GIA Price $920 Carat 0.30 Clarity VS2 Polish Very Good Depth 62.50 Measurements 4.23 × 4.27 × 2.66 Girdle Tn - Stk
0.32 Carat Round Diamond View Details Shape Round Cut Excellent Color J Symmetry Excellent Table 57.00 Fluorescence None (N) Report GIA Price $578 Carat 0.32 Clarity SI1 Polish Excellent Depth 62.80 Measurements 4.35 × 4.37 × 2.74 Girdle Tn - Stk
0.30 Carat Round Diamond View Details Shape Round Cut Excellent Color E Symmetry Excellent Table 57.00 Fluorescence Faint (F) Report GIA Price $920 Carat 0.30 Clarity SI1 Polish Excellent Depth 62.50 Measurements 4.25 × 4.28 × 2.67 Girdle M - Stk
0.33 Carat Round Diamond View Details Shape Round Cut Excellent Color I Symmetry Very Good Table 61.00 Fluorescence Faint (F) Report GIA Price $744 Carat 0.33 Clarity VS2 Polish Excellent Depth 60.60 Measurements 4.44 × 4.47 × 2.70 Girdle M - Stk
0.30 Carat Round Diamond View Details Shape Round Cut Excellent Color I Symmetry Excellent Table 61.00 Fluorescence None (N) Report GIA Price $946 Carat 0.30 Clarity VVS1 Polish Excellent Depth 59.40 Measurements 4.35 × 4.38 × 2.59 Girdle M - Stk
0.38 Carat Round Diamond View Details Shape Round Cut Excellent Color F Symmetry Excellent Table 61.00 Fluorescence Faint (F) Report GIA Price $1,946 Carat 0.38 Clarity VVS1 Polish Excellent Depth 60.10 Measurements 4.71 × 4.73 × 2.84 Girdle Tn - M
0.30 Carat Round Diamond View Details Shape Round Cut Excellent Color F Symmetry Very Good Table 56.00 Fluorescence None (N) Report GIA Price $714 Carat 0.30 Clarity SI2 Polish Very Good Depth 63.40 Measurements 4.23 × 4.28 × 2.70 Girdle M - Stk
0.38 Carat Round Diamond View Details Shape Round Cut Excellent Color F Symmetry Excellent Table 59.00 Fluorescence Faint (F) Report GIA Price $1,422 Carat 0.38 Clarity VS2 Polish Excellent Depth 60.50 Measurements 4.70 × 4.74 × 2.85 Girdle Tn - M
0.30 Carat Round Diamond View Details Shape Round Cut Excellent Color D Symmetry Excellent Table 57.00 Fluorescence None (N) Report GIA Price $924 Carat 0.30 Clarity SI2 Polish Excellent Depth 62.30 Measurements 4.30 × 4.31 × 2.68 Girdle M - Stk
0.40 Carat Round Diamond View Details Shape Round Cut Excellent Color J Symmetry Very Good Table 59.00 Fluorescence None (N) Report GIA Price $1,120 Carat 0.40 Clarity VS1 Polish Excellent Depth 60.10 Measurements 4.77 × 4.80 × 2.88 Girdle Tn - M
0.40 Carat Round Diamond View Details Shape Round Cut Excellent Color J Symmetry Excellent Table 55.00 Fluorescence Medium (M) Report GIA Price $770 Carat 0.40 Clarity SI1 Polish Excellent Depth 62.60 Measurements 4.69 × 4.72 × 2.95 Girdle M - Stk

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GIA-Certified Diamonds

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