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Antique Art Deco Platinum Ctw Old Cut Diamond & Emerald Dinner Cocktail Ring
DJP Jewelers - Galleria
2401 Fountain View Dr. #100
Houston TX 77057
United States
All pieces in our store are check for their quality and authenticity by our professional jewelers.
Free U.S. standard shipping over $250. Free U.S. express shipping over $1,500. International express shipping is available at checkout. Excludes bullion and wholesale deals.
If for any reason you are not satisfied, you may return or exchange your purchase within 14 days of the delivery date.
Gender: Ladies
Metal Type: 900 Platinum
Ring Size: 8
Thick: 1.75 mm
Head & Measures: 19.15 mm by 17.75 mm
Weight: 7.71 grams
Ladies handmade 900 platinum art deco (1920-1930), diamond and emerald dinner, cocktail, three-stone ring with a half round shank.
Engraved with "90% PLAT. 10% IRID.". The "HOWE" trademark (or hallmark) can also be found on the item. In very good condition.
Vintage in very good condition. Signs of wear are consistent with age.
The milgrain borders and engraved geometric compartments remain distinct and sharply defined. There are some signs of distortion, deep gouges, or structural fractures along the visible face of the mounting.
The inner band shows minor surface micro-scratching (patina) consistent with light vintage wear, but the overall structure retains its uniform shape without thinning or severe bending.
The main old-cut diamonds are securely seated within their individual bezel and bead settings. They show strong clarity and brilliance with no obvious chips or cracks visible on their tables or crowns.
however, two small stones have chips that are not visible to naked eye.
Prong Set in 900 Platinum in the center with:
One (1) old European cut natural diamond:
- Measurements: 5.70mm - 5.80mm in diameter x ~4.03mm in depth.
- Estimated Weight: 0.85 ct.
- Color: I - J
- Clarity: VS1 - VS2
- Polish: Good
- Symmetry: Good
Prong Set in 900 Platinum on the side(s) with:
Two (2) old European cut natural diamonds:
- Measurements: 5.10mm - 5.40mm in diameter x ~3.68mm in depth.
- Weight Range: 0.590 ct. - 0.700 ct.
- Estimated Total Weight: 1.290 ctw.
- Color: I - J
- Clarity: VS1 - VS2
- Polish: Good
- Symmetry: Good
Prong Set in 900 Platinum on the mount with:
Two (2) old European cut natural diamonds:
- Measurements: 2.90mm - 3.10mm in diameter x ~2.10mm in depth.
- Weight Range: 0.108 ct. - 0.132 ct.
- Estimated Total Weight: 0.240 ctw.
- Color: I - J
- Clarity: VS1 - VS2
- Polish: Good
- Symmetry: Good
- Comments: Some stones are chipped not visible to naked eye
Prong Set in 900 Platinum on the mount with:
Six (6) single cut natural diamonds:
- Measurements: 2.10mm - 2.30mm in diameter x ~1.34mm in depth.
- Weight Range: 0.035 ct. - 0.045 ct.
- Estimated Total Weight: 0.240 ctw.
- Color: I - J
- Clarity: VS1 - VS2
- Polish: Good
- Symmetry: Good
- Comments: Some stones are chipped not visible to naked eye
Bezel Set in 900 Platinum on the mount with:
Four (4) synthetic, marquise-shaped, brilliant cut emeralds:
- Species: Synthetic Beryl
- Variety: Synthetic Emerald
- Measurements: 3.55mm x 1.75mm x ~1.05mm in depth.
- Weight Range: 0.031 ct. - 0.036 ct.
- Estimated Total Weight: 0.13 ctw.
- Cut Style: Crown Brilliant Cut
- Cut Style: Pavilion Brilliant Cut
- Color(s): Strongly Green
TOTAL WEIGHTS:
- Total weight of diamond(s):~2.62 ctw.
- Total weight of gemstone(s):~0.13 ctw.
SKU: 185891
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Online checkout temporarily unavailable
We are updating our online store, so orders cannot be completed here at the moment. Everything is still available through our marketplace shops, or call us at (832) 244-7772.










