Tiffany & Co. Lucida 1.76ct I VS1 Diamond Platinum Engagement Ring
Tiffany & Co. Lucida 1.76ct I VS1 Diamond Platinum Engagement Ring
Tiffany & Co. Lucida 1.76ct I VS1 Diamond Platinum Engagement Ring
Tiffany & Co. Lucida 1.76ct I VS1 Diamond Platinum Engagement Ring
Tiffany & Co. Lucida 1.76ct I VS1 Diamond Platinum Engagement Ring
Tiffany & Co. Lucida 1.76ct I VS1 Diamond Platinum Engagement Ring
Tiffany & Co. Lucida 1.76ct I VS1 Diamond Platinum Engagement Ring
Tiffany & Co. Lucida 1.76ct I VS1 Diamond Platinum Engagement Ring
Tiffany & Co. Lucida 1.76ct I VS1 Diamond Platinum Engagement Ring

Tiffany & Co. Lucida 1.76ct I VS1 Diamond Platinum Engagement Ring

Regular price $32,000 (Est. Retail) Sale price$17,500
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A Tiffany & Co. Lucida engagement ring in platinum, set with a 1.76 carat Lucida cut diamond of I color and VS1 clarity, accompanied by a GIA Natural Diamond Grading Report. Size 5.75. Complimentary sizing avail upon request, or at any Tiffany location worldwide. The ring weighs 6.1 grams, with a shank that tapers from 2mm at the base to 4mm at the shoulders. In excellent condition, recently polished.

The diamond measures 6.65 by 6.57 by 4.98mm, an almost perfectly square outline, and is graded Excellent for polish and Very Good for symmetry, with no fluorescence. The
Lucida cut combines a step-cut crown with a brilliant-cut pavilion: broad, clean facets above for clarity of line, and a starburst of facets below that return light with strong scintillation. The diamond sits high in four rounded platinum prongs on Tiffany's signature Lucida mounting, its open sides letting light reach the stone from every angle. The band widens gradually toward the setting, giving the diamond a strong, architectural frame.

Tiffany introduced the Lucida cut in 1999 as one of the house's own patented diamond cuts, and for nearly two decades it anchored a collection of engagement rings prized for crisp, modern geometry. The cut has since been discontinued, making Lucida diamonds of this size increasingly scarce on the secondary market. The diamond carries two Tiffany laser inscriptions, one on the upper girdle facet of the crown and one on the girdle itself, along with a GIA inscription. Tiffany began inscribing the crown around 2004, which dates this ring to that year or later, and the recent GIA report independently confirms its grades.

Condition: Excellent condition, recently polished. Polish bright and even, no scratches, no dents. Hallmarks clear and legible. Tiffany Laser Inscription: Yes, located on the upper girdle facet of the diamond and Girdle.

Details
  • Brand: Tiffany & Co.
  • Collection: Lucida
  • Era: Circa 2000s, discontinued
  • Metal: Platinum PT950
  • Hallmarks: ©1999 Tiffany & Co. Lucida® PT950 PAT 5970744, serial number, 1.76CT
  • Size: 5.75. Complimentary sizing avail upon request, or at any Tiffany location worldwide
  • Width: 2mm to 4mm, tapering
  • Weight: 6.1 grams
  • Center Stone:
    • Shape: Lucida Cut, Cut-Cornered Square Mixed Cut per GIA
    • Weight: 1.76 Cts
    • Color / Clarity: I / VS1
    • Polish / Symmetry: Excellent / Very Good
    • Fluorescence: None
    • Measurements: 6.65 x 6.57 x 4.98mm
  • Tiffany Laser Inscription: Yes
  • Certification: GIA Natural Diamond Grading Report 6237943170
  • Retail: Approximately $32,000, estimated replacement
What's Included
  • Tiffany & Co. Lucida diamond engagement ring
  • GIA Natural Diamond Grading Report 6237943170
  • Original Tiffany & Co. Box


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Conversion Chart For Ring Size
Sizes Inside Diameter Inside Circumference
United States and Canada UK, Ireland, Australia, and New Zealand India, China, Japan, South America Italy,
Spain, Netherlands, Switzerland
(in) (mm) (in) (mm)
0       0.458 11.63 1.44 36.5
1/4       0.466 11.84 1.46 37.2
1/2 A     0.474 12.04 1.49 37.8
3/4 A 1/2     0.482 12.24 1.51 38.5
1 B     0.49 12.45 1.54 39.1
1 1/4 B 1/2 1   0.498 12.65 1.56 39.7
1 1/2 C   0.5 0.506 12.85 1.59 40.4
1 3/4 C 1/2   1 0.514 13.06 1.61 41.0
2 D 2 1.75 0.522 13.26 1.64 41.7
2 1/4 D 1/2   2.25 0.53 13.46 1.67 42.3
2 1/2 E 3 3 0.538 13.67 1.69 42.9
2 3/4 E 1/2   3.5 0.546 13.87 1.72 43.6
3 F 4 4.25 0.554 14.07 1.74 44.2
3 1/4 F 1/2 5 4.75 0.562 14.27 1.77 44.8
3 1/2 G   5.5 0.57 14.48 1.79 45.5
3 3/4 G 1/2 6 6 0.578 14.68 1.82 46.1
4 H 7 6.75 0.586 14.88 1.84 46.8
4 1/4 H 1/2   7.5 0.594 15.09 1.87 47.4
4 1/2 I 8 8 0.602 15.29 1.89 48.0
4 3/4 J   8.75 0.61 15.49 1.92 48.7
5 J 1/2 9 9.25 0.618 15.70 1.94 49.3
5 1/4 K   10 0.626 15.90 1.97 50.0
5 1/2 K 1/2 10 10.5 0.634 16.10 1.99 50.6
5 3/4 L   11.25 0.642 16.31 2.02 51.2
6 L 1/2 11 11.75 0.65 16.51 2.04 51.9
6 1/4 M 12 12.5 0.658 16.71 2.07 52.5
6 1/2 M 1/2 13 13.25 0.666 16.92 2.09 53.1
6 3/4 N   13.75 0.674 17.12 2.12 53.8
7 N 1/2 14 14.5 0.682 17.32 2.14 54.4
7 1/4 O   15 0.69 17.53 2.17 55.1
7 1/2 O 1/2 15 15.75 0.698 17.73 2.19 55.7
7 3/4 P   16.25 0.706 17.93 2.22 56.3
8 P 1/2 16 17 0.714 18.14 2.24 57.0
8 1/4 Q   17.5 0.722 18.34 2.27 57.6
8 1/2 Q 1/2 17 18.25 0.73 18.54 2.29 58.3
8 3/4 R   19 0.738 18.75 2.32 58.9
9 R 1/2 18 19.5 0.746 18.95 2.34 59.5
9 1/4 S   20.25 0.754 19.15 2.37 60.2
9 1/2 S 1/2 19 20.75 0.762 19.35 2.39 60.8
9 3/4 T   21.5 0.77 19.56 2.42 61.4
10 T 1/2 20 22 0.778 19.76 2.44 62.1
10 1/4 U 21 22.75 0.786 19.96 2.47 62.7
10 1/2 U 1/2 22 23.25 0.794 20.17 2.49 63.4
10 3/4 V 1/2   24 0.802 20.37 2.52 64.0
11 V 1/2 23 24.75 0.81 20.57 2.54 64.6
11 1/4 W 1/2   25.25 0.818 20.78 2.57 65.3
11 1/2 W 1/2 24 26 0.826 20.98 2.59 65.9
11 3/4 X   26.5 0.834 21.18 2.62 66.6
12 X 1/2 25 27.25 0.842 21.39 2.65 67.2
12 1/4 Y   27.75 0.85 21.59 2.67 67.8
12 1/2 Z 26 28.5 0.858 21.79 2.70 68.5
12 3/4 Z 1/2   29 0.866 22.00 2.72 69.1
13   27 29.75 0.874 22.20 2.75 69.7
13 1/4 Z1   30.5 0.882 22.40 2.77 70.4
13 1/2     31 0.89 22.61 2.80 71.0
13 3/4 Z2   31.75 0.898 22.81 2.82 71.7
14 Z3   32.25 0.906 23.01 2.85 72.3
14 1/4     33 0.914 23.22 2.87 72.9
14 1/2 Z4   33.5 0.922 23.42 2.90 73.6
14 3/4     34.25 0.93 23.62 2.92 74.2
15     34.75 0.938 23.83 2.95 74.8
15 1/4     35.5 0.946 24.03 2.97 75.5
15 1/2     36.25 0.954 24.23 3.00 76.1
15 3/4     36.75 0.962 24.43 3.02 76.8
16     37.5 0.97 24.64 3.05 77.4

 

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We want you to be 100% thrilled with your purchase. In case you want to return your purchase within 30 days of receipt, please call us during business hours, or send an email to: office@thediamondoak.com with your name and order information, and we will email you a pre-paid / insured shipping label with shipping instructions for the return. To be eligible for a return, your item must be in the same condition received, and in its original packaging. 

Once we receive the item and original packaging, we will refund you using the same method of purchase. (International shipments and Custom Orders please see restrictions below). Items returned which were altered or or not in the condition received, will not be accepted for returns and will be shipped back.

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Unfortunately, we cannot accept returns on items that have been altered, not in original condition, gift cards, or custom orders as specified above.  

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