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13.81ct Diamond and Platinum Flower Brooch - Antique French Circa 1930

A magnificent and large French 13.81 carat diamond and 18 carat white gold, platinum set flower brooch; part of our diverse antique jewellery and estate jewelry collections

SKU: C2375

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13.81ct Diamond and Platinum Flower Brooch - Antique French Circa 1930 Video AC Silver Play Button
Large Antique Diamond Brooch in Platinum
13.81ct Diamond and Platinum Flower Brooch - Antique French Circa 1930


This magnificent, large and impressive antique diamond brooch has been crafted in 18ct white gold with a platinum setting.

The brooch has been modelled in the form of an ornate flower, combining leaved stem and flower head.

The stem is channel set with twenty-six baguette cut diamonds, the curved leaves with twenty-two channel set baguette and fifty nine pavé set Old European round cut diamonds.

A single feature 0.61ct Old European round cut diamond rests between the stem and leaf within an eight claw setting.

The centre of the flower head is ornamented with a feature individually eight claw set 0.70ct Old European round cut diamond, encircled by nine baguette cut diamonds.

The seven curved teardrop shaped, pierced decorated petals are each collet set with a feature Old European round cut diamond; a 0.42ct, a 0.39ct, a 0.38ct, a 0.36ct, a 0.34ct, a 0.33ct and a 0.29ct.

The scalloped edged petals are embellished with a further twenty-seven channel set baguette cut diamonds and one hundred and five collet set Old European round cut diamonds.

The ornate design secures to the reverse with an 18ct white gold hinged double pin fastening, hallmarked to each pin with the French import mark for 18ct gold (Owl).

The setting has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

This antique diamond floral brooch is supplied with nine independent diamond grading certificates for the feature diamonds in addition to an independent diamond grading report card for the supporting stones.

Images do not always reflect the true colour and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual colour and showcases each stone.

View the complete range of diamond jewellery at AC Silver

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This magnificent antique spray brooch is exceptional quality set with very high colour graded old cut diamonds, all displaying a fine white colour, brilliance and presence.

The brooch is an exceptional gauge of platinum and is in excellent condition.

French import marks are struck to the hinged double pin fastening.

Reflections in photographs may detract from the true representation of this fine example of antique jewellery/estate jewelry.

Diamond Quality

Diamond One

Colour G

Clarity SI2

Cut Old European round

Content 0.70 carat

Dimensions 5.69mm x 5.62mm x 3.37mm

Diamond Two

Colour G

Clarity P1

Cut Old European round

Content 0.61 carat

Dimensions 5.32mm x 5.29mm x 3.19mm

Diamond Three

Colour H

Clarity VS2

Cut Old European round

Content 0.42 carat

Dimensions 4.72mm x 4.69mm x 2.83mm

Diamond Four

Colour H

Clarity VVS2

Cut Old European round

Content 0.39 carat

Dimensions 4.63mm x 4.58mm x 2.78mm

Diamond Five

Colour G

Clarity SI1

Cut Old European round

Content 0.38 carat

Dimensions 4.57mm x 4.51mm x 2.74mm

Diamond Six

Colour G

Clarity VS2

Cut Old European round

Content 0.36 carat

Dimensions 4.51mm x 4.44mm x 2.71mm

Diamond Seven

Colour H

Clarity VVS2

Cut Old European round

Content 0.34 carat

Dimensions 4.39mm x 4.34mm x 2.63mm

Diamond Eight

Colour I

Clarity SI2

Cut Old European round

Content 0.33 carat

Dimensions 4.39mm x 4.28mm x 2.63mm

Diamond Nine

Colour G

Clarity VS2

Cut Old European round

Content 0.29 carat

Dimensions 4.15mm x 4.11mm x 2.49mm

Supporting Diamonds

Colour (average grades) F/G/H

Clarity (average grades) VS2/SI2/P1

Cut Baguette / Old European round

Content (total) 10.28 carat

Total Diamond Content

13.81 carats


Length of Setting 4.9cm/1.93"

Width of Setting 5.5cm/2.17"

Height of Setting 1.6cm/0.63"


39.81 grams

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Andrew Campbell started trading in antiques during the 1970s. Initially, Andrew lived in the South of England, travelling the country, searching for items of silver to buy. Andrew sold these items at various London markets and antique fairs. Over time, and through selling at a range of venues, Andrew built up a large and diverse customer base from private buyers to national and international trade customers.
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