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French Art Deco diamond and sapphire checkerboard ring c.1920

DESCRIPTION

This is a French Art Deco checkerboard ring circa 1920, crafted in 18k white gold and platinum, adorned with diamonds and sapphires.

The circular checkerboard pattern of this ring perfectly exemplifies the geometric style of the Art Deco era. Diamonds and sapphires are meticulously arranged to form the intricate checkerboard pattern. The two different-cut gemstones are set perfectly on the base, creating a visually appealing and well-balanced effect without being overly crowded.

Fine engravings on the grid lines add further richness to the design. The open-back setting allows more light to enter, enhancing the overall brilliance of the piece. Based on the way the ring shank and the setting connect, the ring might be a skillful conversion done in the past.

The ring is overall in good antique condition, showing normal oxidation and signs of wear. Judging the condition of jewelry is subjective; please kindly click and zoom in on our photos to examine more details for your own assessment.

ORIGIN

France

ERA

1920s

MATERIAL

18k solid gold, platinum

STONE

diamond, sapphire

SIZE

US 4.5, ring head 1.15 cm in diameter

WEIGHT

2.66g

CONDITION

good antique condition, showing normal oxidation and signs of wear

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Rings / Art Deco (1915 - 1935)

#FRENCH JEWELRY, #SAPPHIRE, #ART DECO ERA, #DIAMOND.

US Size	Inside Diameter (mm)	Inside Circumference (mm)
0.5	12.04	37.8
0.75	12.24	38.5
1	12.45	39.1
1.25	12.65	39.7
1.5	12.85	40.4
1.75	13.05	41
2	13.26	41.7
2.25	13.46	42.3
2.5	13.67	42.9
2.75	13.87	43.6
3	14.07	44.2
3.25	14.27	44.8
3.5	14.48	45.5
3.75	14.68	46.1
4	14.88	46.8
4.25	15.09	47.4
4.5	15.29	48
4.75	15.49	48.7
5	15.7	49.3
5.25	15.9	50
5.5	16.1	50.6
5.75	16.31	51.2
6	16.51	51.9
6.25	16.71	52.5
6.5	16.92	53.1
6.75	17.12	53.8
7	17.32	54.4
7.25	17.53	55.1
7.5	17.73	55.7
7.75	17.93	56.3
8	18.14	57
8.25	18.34	57.6
8.5	18.54	58.3
8.75	18.75	58.9
9	18.95	59.5
9.25	19.15	60.2
9.5	19.35	60.8
9.75	19.56	61.4
10	19.76	62.1
10.25	19.96	62.7
10.5	20.17	63.4
10.75	20.37	64
11	20.57	64.6
11.25	20.78	65.3
11.5	20.98	65.9
11.75	21.18	66.6
12	21.39	67.2
12.25	21.59	67.8
12.5	21.79	68.5

國際圍	內直徑 (mm)	周長 (mm)
2	12	37.7
3	12.5	39.27
4	13	40.84
5	13.5	42.41
6	14	43.98
7	14.5	45.55
8	15	47.12
9	15.5	48.69
10	16	50.27
11	16.5	51.84
12	17	53.41
13	17.5	54.98
14	18	56.55
15	18.5	58.12
16	19	59.69
17	19.5	61.26
18	20	62.83
19	20.5	64.4
20	21	65.97
21	21.5	67.54

STYLE

ERA

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French Art Deco diamond and sapphire checkerboard ring c.1920

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