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The history and craftsmanship of Vintage Jewellery brought to you by {name}

Laura Trevino

Bicolour gouden antieke ring bezet met 9 roos geslepen diamanten. De diamanten zijn gezet in een geelgouden dichte kastzetting. De band van de ring is uit roségoud vervaardigd. 

Ringmaat: ca. 17.75 mm / 56 (EU) / 16 (IT) / 7 ½ US
Breedte middenstuk: ca. 9.5 mm

Keurteken: 585 Nederlands waarborgkeur oud eikenblad

Kwaliteit: Draag- en gebruikssporen overeenkomstig met leeftijd en gebruik. Voor eigen indruk, zie foto’s. 

Kavelnummer: S-188578
 
Al onze artikelen worden aangetekend verzonden.
U kunt het kavel ook afhalen in één van onze ruim 100 kantoren in Nederland, België of Duitsland.
Kijkt u op de website van Goudwisselkantoor (voor NL en BE) Comptoir de l’Or (voor BE) of Goldwechselhaus (voor DE) voor de dichtstbijzijnde locatie.
Geeft u via uw Catawiki account uw voorkeur aan ons door.

Ring size: 56 (EU) / 16 (IT) / 7 ½ (US) - Total weight: 2.44 g

Ring - 14 kt. Yellow gold, Rose gold - Diamond

Gemstones

Reserve price

No reserve price

Closing date

tomorrow

Tuesday

Wednesday

Thursday

Friday

Saturday

23 August

Budget

From

Location

Spain

Thailand

Italy

Portugal

The Netherlands

Slovak Republic

Germany

Singapore

United Kingdom

Poland

India

Belgium

United States

Object

Faceted gemstone

Gemstone cabochon

Country of origin

Tanzania

No origin given

Stone

Sapphire

Emerald

Tanzanite

Aquamarine

Spinel

Topaz

Ruby

Tourmaline

Opal

Amethyst

Tourmaline paraiba

Tsavorite

Kunzite

Garnet

Fluorite

Alexandrite

Citrine

Beryl

Diaspore

Peridot

Zircon

Rhodolite

Sphalerite

Ametrine

Spessartite

Certification

International Gemological Institute (IGI)

Instituto Gemólogico Español (IGE)

International Colored Gemstone Association (ICA GemLab)

Antwerp Laboratory for Gemstone Testing (ALGT)

Gem Report Antwerp (GRA)

Gemological Institute of America (GIA)

Colour

Blue

Violet

Purple

Green

Pink

Oval

Mixed cut

Modified brilliant cut

Pear

Emerald cut

Cushion

Octagon

Step cut

Faceted cut

Round

Rectangle

Modified cut

Brilliant cut

Triangle

Cabochon cut

Heart

Marquise

Trilliant cut

Clarity

Eye clean

Loupe clean

Slight

Moderate

Heavy

Treatment

Commonly heated with no evidence of treatment

Heat treatment

Oiling

No evidence of treatment

Not specified in the report

No heat treatment

Clarity enhancement

Gemstone transparency

Transparent

Semi-transparent

Translucent

Pearl luster

Good

Excellent

Optical effect (gemstones)

Fluorescence

Tanzania - Commonly heated with no evidence of treatment-  Lab report: D-65499

3 pcs  Tanzanite  - 5.95 ct - Instituto Gemólogico Español (IGE)

Commonly heated with no evidence of treatment-  Lab report: D-65498

3 pcs  Blue Tanzanite  - 6.27 ct - Instituto Gemólogico Español (IGE)

Tanzania - Oiling-  Lab report: D-65931

Tanzanite  - 3.25 ct - Instituto Gemólogico Español (IGE) - Very good color quality.

Commonly heated with no evidence of treatment-  Lab report: D-65969

3 pcs  Blue Tanzanite  - 5.09 ct - Instituto Gemólogico Español (IGE)

Tanzania - Heat treatment-  Lab report: 760534920

No reserve price - 1 pcs  Blue, Violet Tanzanite  - 0.91 ct - International Gemological Institute (IGI) - Natural Tanzanite

No origin given - Commonly heated with no evidence of treatment-  Lab report: 792967533

1 pcs  Blue, Violet Tanzanite  - 2.37 ct - International Gemological Institute (IGI) - AAA Type - Awesome

Tanzania - Commonly heated with no evidence of treatment-  Lab report: 11691695

No reserve price - 2 pcs  Blue, Purple Tanzanite  - 1.69 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - PURPLE BLUE TANZANITE

No origin given - Heat treatment-  Lab report: 800626785

No reserve price - 1 pcs  Blue, Violet Tanzanite  - 2.49 ct - International Gemological Institute (IGI) - BLUISH VIOLET TANZANITE

Heat treatment-  Lab report: TH26G117699

No reserve price - 1 pcs  Blue, Violet Tanzanite  - 2.23 ct - International Colored Gemstone Association (ICA GemLab) - FLAWLES AMAZING TANZANITE

Heat treatment-  Lab report: TH26G117688

No reserve price - 1 pcs  Violet Tanzanite  - 2.15 ct - International Colored Gemstone Association (ICA GemLab) - FLAWLES AMAZING TANZANITE

No origin given - Heat treatment-  Lab report: TH26G114771

No reserve price - 1 pcs  Blue, Violet Tanzanite  - 1.13 ct - International Colored Gemstone Association (ICA GemLab)

No origin given - Commonly heated with no evidence of treatment-  Lab report: 731516249

No reserve price - 1 pcs  Blue, Violet Tanzanite  - 7.94 ct - International Gemological Institute (IGI)

Commonly heated with no evidence of treatment-  Lab report: TH26G119816

No reserve price Tanzanite  - 4.22 ct - International Colored Gemstone Association (ICA GemLab)

Commonly heated with no evidence of treatment-  Lab report: 585301716

1 pcs  Blue, Violet Tanzanite  - 3.10 ct - International Gemological Institute (IGI) - AAA  Fine Color Quality

Tanzania - Commonly heated with no evidence of treatment-  Lab report: D-66419

5 pcs  Tanzanite  - 2.72 ct - Instituto Gemólogico Español (IGE)

No origin given - Commonly heated with no evidence of treatment-  Lab report: REPORT# TH26G124786

No reserve price - 1 pcs  Blue, Violet Tanzanite  - 1.63 ct - International Colored Gemstone Association (ICA GemLab)

Tanzania - Oiling-  Lab report: D-65915

3 pcs  Tanzanite  - 4.16 ct - Instituto Gemólogico Español (IGE)

Heat treatment-  Lab report: TH26G123908

1 pcs  Blue, Violet Tanzanite  - 2.68 ct - International Colored Gemstone Association (ICA GemLab)

Tanzania - Oiling-  Lab report: D-65553

6 pcs  Tanzanite  - 4.73 ct - Instituto Gemólogico Español (IGE)

Commonly heated with no evidence of treatment-  Lab report: D-66415

9 pcs  Blue Tanzanite  - 3.63 ct - Instituto Gemólogico Español (IGE)

Heat treatment-  Lab report: 788682302

No reserve price - 1 pcs  Violet Tanzanite  - 4.31 ct - International Gemological Institute (IGI) - BLUISH VIOELT TANZANITE

Tanzania - No heat treatment, No evidence of treatment-  Lab report: TH26G125111

No reserve price - 1 pcs  Green, Violet Tanzanite  - 2.07 ct - International Colored Gemstone Association (ICA GemLab)

Commonly heated with no evidence of treatment-  Lab report: D-65968

3 pcs  Blue Tanzanite  - 8.03 ct - Instituto Gemólogico Español (IGE)

Tanzania - Commonly heated with no evidence of treatment-  Lab report: 731516376

Gemstones

This object is no longer available, but there’s still lots to explore

Ring - 14 kt. Yellow gold, Rose gold - Diamond

122 objects

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