Lot 0001

PLATINUM DIAMOND ENGAGEMENT RING, 2.75CT

Keystone Mfg. Co. Sale History

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PLATINUM & DIAMOND ENGAGEMENT RING, 0.75CT: PLATINUM & DIAMOND ENGAGEMENT RING, 0.75CT set with a single European cut round diamond approx. 0.75 carats (in our opinion: K-L color, I1-2 clarity, however not guaranteed), stamped 'Plat', size 6.5,

2019PLATINUM & DIAMOND ENGAGEMENT RING, 0.75CTSee Sold Price

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1.70CTW TWIN DIAMOND PLATINUM ENGAGEMENT RING: 172087 1.70CTW TWIN DIAMOND PLATINUM ENGAGEMENT RING 1.70ctw twin diamond platinum engagement ring with 2 matching .75ct brilliant round diamonds surrounded by .20ctw small round diamonds.Stone Type:

20231.70CTW TWIN DIAMOND PLATINUM ENGAGEMENT RINGSee Sold Price

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Art Deco Platinum Diamond Engagement Ring: METAL: Platinum. GEMSTONES: Center diamond apporx. 0.75ct, side diamonds approx. 6 stones. MEASUREMENTS: Ring size 8, ring top is 5.9mm wide. MARKED: 10% Irid Plat. WEIGHT: 2.9 grams.Gemstones have no

2020Art Deco Platinum Diamond Engagement RingSee Sold Price

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Platinum Diamond Engagement Ring Setting: Mounting will fit approx. 1.75ct round diamond. Ring size 5.5. Tested Platinum. Weighs 4.4 grams. Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, un

2016Platinum Diamond Engagement Ring SettingSee Sold Price

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Platinum Diamond Sapphire Engagement Ring: METAL: Platinum. MEASUREMENTS: Ring size - 6.5. GEMSTONES: Diamond approx. 0.75ct, Sapphires - approx. 1.00ctw. MARKED: US, plat. WEIGHT: 8.9 grams.Gemstones have not been graded for color and clarity

2018Platinum Diamond Sapphire Engagement RingSee Sold Price

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Platinum Marquise Diamond Engagement Ring: Platinum Weight 4.18g Marquise Diamond Approx. 0.75ct VS1-H Engagement Ring Size 4 Measurements 0.39”x0.74”

2022Platinum Marquise Diamond Engagement RingSee Sold Price

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Art Deco Old European Diamond Platinum Engagement Ring: METAL: Platinum. MEASUREMENTS: Ring size 5.75, top is 6.8mm wide. GEMSTONES: OEC diamond approx. 0.75ct (abrasions on the girdle). MARKED: 10% irid. plat. WEIGHT: 2.7 grams.Gemstones have not been gra

2022Art Deco Old European Diamond Platinum Engagement RingSee Sold Price

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Vintage Art Deco Diamond Engagement Ring: Vintage Art Deco Diamond Engagement RingPlatinum Art Deco setting with European cut .75ct center stone. Color J, Clarity SI1. Accented with sapphire side stones. Size 5.5

2021Vintage Art Deco Diamond Engagement RingSee Sold Price

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TIFFANY & CO PLATINUM DIAMOND ENGAGEMENT RING: INCLUDES TIFFANY & CO LETTER OF AUTHENTICITY SEE CERTIFICATE FOR DETAILS * (estimate/approximately)

2018TIFFANY & CO PLATINUM DIAMOND ENGAGEMENT RINGSee Sold Price

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Platinum & Diamond Engagement Ring - 2.29 cttw: Emerald cut diamond center stone (8.2mm x 6.5mm x 4.3mm) accented by tapered baguette cut diamonds on either side of center stone. Diamonds approximately 2.29 cttw, F color, VVS2 clarity. Unsigned, st

2022Platinum & Diamond Engagement Ring - 2.29 cttwSee Sold Price

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Platinum & Diamond Engagement Ring: Platinum ring featuring a centered prong set emerald cut diamond weighing 2.80 carats, I color and VS2 clarity, accompanied by GIA Diamond Grading Report # 5221447230, dated May 10, 2022, the shank sh

2022Platinum & Diamond Engagement RingSee Sold Price

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Platinum & Diamond Engagement Ring: An Art Deco style Platinum & Diamond engagement ring. Consisting of 1 center emerald cut diamond measuring 7.1 x 7.3 mm, approximately 2.25 cttw, with estimated F/G color and VS1 clarity, flanked by t

2022Platinum & Diamond Engagement RingSee Sold Price

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Ladies 3.19 Carat Platinum Diamond Engagement Ring: Ladies Platinum 3.19 carat diamond ring, GIA certified, featuring 1 emerald cut diamond weighing 2.61 carats, Clarity-SI1, Color-L measuring 9.53 x 6.87 x 4.30 mm, good polish and symmetry and no fluo

2021Ladies 3.19 Carat Platinum Diamond Engagement RingSee Sold Price

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PLATINUM & DIAMOND ENGAGEMENT RING, 2.00CT: PLATINUM & DIAMOND ENGAGEMENT RING, 2.00CT set with a round diamond approx. 2.00 carats / 8.18x4.66mm (in our opinion: G-H color, VS2-SI1 clarity, however not guaranteed), flanked by 2 baguettes, test

2020PLATINUM & DIAMOND ENGAGEMENT RING, 2.00CTSee Sold Price

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Vintage Platinum Diamond Engagement Ring: Vintage Platinum Diamond Engagement Ring 1.76 ctw round cut diamond center stone (8.2mm x 4.3mm, I color, SI2 clarity) accented by two straight cut baguettes (2 @ 4.5mm x 1.6mm, H color, VS2 clarity).

2022Vintage Platinum Diamond Engagement RingSee Sold Price

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Tiffany Platinum Diamond Engagement Ring: Tiffany Platinum Diamond Engagement Ring, center a 6.93 x 5.27 mm emerald cut stone, about 1.0-1.1 carat, flanked by 2 tapered baguettes, about 10 pts ea, stamped "Tiffany & Co, Pt 950", 2.9 dwt, with

2022Tiffany Platinum Diamond Engagement RingSee Sold Price

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PLATINUM DIAMOND ENGAGEMENT RING, 2.75CT

Item Details

Description

1983 appraisal states: "Set with one round brilliant cut diamond approx. weight 2.75 carats / Clarity: very slightly included; VS-1 / Color: faint yellow; L-M / two keystone cut diamonds @ approx. .12 pt. each / two baguette cut diamonds @ approx. .06 pt. each", (in our opinion: center diamond approx. 2.86 carats, 9.34-9.27x5.35mm, J-K color, VS1 clarity, side keystones each 0.26 carat, 5.7x2x3.5mm, and baguettes each 0.08 carat 4x1.5mm, however not guaranteed), stamped '10% Irid Plat', size 7, 4gms., Opening Bid $10,000

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PLATINUM DIAMOND ENGAGEMENT RING, 2.75CT

Name: PLATINUM DIAMOND ENGAGEMENT RING, 2.75CT
Brand: Keystone Mfg. Co.
SKU: 129496672
Price: 11000 USD
Availability: InStock

Estimate $12,000 - $15,000

See Sold Price

Starting Price $10,000

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Item located in Waldwick, NJ, us

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Waldwick, NJ, United States

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