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Antique 8.12 Carat Diamond Floral Spray Brooch in 18ct White Gold

A stunning, fine and impressive antique 1930s 8.12 carat diamond and 18 carat white gold, platinum set floral spray brooch; part of our diverse collection of diamond brooches

This stunning antique diamond brooch has been expertly crafted from 18ct white gold and features elegant platinum settings. The graceful spray design showcases thirteen Old European round cut diamonds, each one carefully claw set to create delicate floral and bud motifs. Flowing, curvy stems come together at the base, adorned with two intertwining leaves, and are further embellished with eighteen pavé set Old European cut diamonds, completing this beautiful piece.

This brooch attaches at the back with a hinged pin and features unmistakable hallmarks for platinum (PT) and 18ct gold (18CT).

The brooch includes three IDGL grading certificates for the main stones, plus an extra grading report for the accompanying diamonds, ensuring you have complete confidence in its quality and authenticity.

Brooches from this era, especially those adorned with larger diamonds, are highly coveted, showcasing the exceptional craftsmanship of the time. This antique diamond spray brooch is a classic piece of elegance, making it a perfect gift for anniversaries, significant birthdays, or romantic celebrations like Valentine’s Day. Plus, it would be a stunning addition to any fine jewellery collection.

This stunning antique spray brooch is excellent quality, set with stunning feature diamonds displaying stunning brilliance and presence; although one of the diamonds is clarity graded at P1, it shows no unsightly black inclusions.
The high colour graded supporting diamonds displaying a fine white colour, brilliance and presence.
The brooch is an excellent gauge of gold and platinum, and is in excellent condition, with clear hallmarks to the reverse of the setting.

Additional information

Diamond Quality

Feature Diamond One
Colour I
Clarity SI2
Cut Old European
Content 0.92 carat
Dimensions 6.12mm (length) x 6.10mm (width) x 3.47mm (depth)

Feature Diamond Two
Colour L
Clarity VS2
Cut Old European
Content 0.70 carat
Dimensions 5.98mm (length) x 5.95mm (width) x 3.40mm (depth)

Feature Diamond Three
Colour H
Clarity P1
Cut Old European
Content 0.65 carat
Dimensions 5.60mm (length) x 5.54mm (width) x 3.20mm (depth)

Supporting Diamonds
Colour (average grades) H/I
Clarity (average grades) SI2/P1
Cut Old European
Content 5.85 carats

Total Diamond Content
8.12 carats

Number of Diamonds
31

Dimensions

Length of setting 7.2cm/2.83"
Width of setting 2.45cm/0.96"
Across pin 3.7cm/1.46"
Height of setting 6.98mm/0.27"

Weight

13.85 grams

Date

Circa 1930

Gemstone

Diamond Clarity:

SI2

Diamond Colour:

I

Can be Resized:

no

FREE INTERNATIONAL SHIPPING
Dispatched via DHL (or equivalent) on the next working day.

Estimated Delivery:

  • UK: 2–3 working days
  • Worldwide: 5–7 working days

Fully Insured in Transit
Free insurance up to £30,000. AC Silver remains responsible until delivery is confirmed.

Returns & Cancellations
You have 14 days to cancel your order.

Returns must be sent to our UK address within 14 days of cancellation.

Customers are responsible for return postage. A refund will be processed after inspection of the returned item.

Altered or Personalised Items

  • Items resized or altered before dispatch: exchange or credit note only
  • Engraved silver: non-refundable

Full returns & cancellation policy

What our customers say

5.0 ★★★★★ ★★★★★ based on 201 reviews
★★★★★ ★★★★★

Lovely selection & excellent service

AC Silver has a stunning selection of antique and vintage items. Both of my brooches arrived right on time as indicated by the tracking. They are even lovelier in person and I look forward to wearing them for decades to come. Andrew and Gemma provided excellent communication and prompt dispatch. I would absolutely recommend working through them.
Christina 15 Jul 2026
★★★★★ ★★★★★

Fabulous service, beautiful product.

Fabulous service, beautiful product.
Imogen 24 Jun 2026
★★★★★ ★★★★★

Beautiful collection and outstanding service

Beautiful collection and outstanding service. I already bought two extraordinary pieces and can only highly recommend.
Christine 23 Jun 2026
★★★★★ ★★★★★

Excellent customer care.

I had to place the order over the phone as my internet was misbehaving. The lady who I spoke to could not have been more helpful and was particularly careful to get all the details correct. I was then informed about the collection and dispatch of the item purchased, by email. The item arrived as expected and it had been most well packed so that no harm could come to it. It was a delight to purchase this item from C6323, AC Silver, and I could not fault any aspect of their customer care. I was highly delighted with my silver mustard pot and it was much better than the pictures on the web site.
Hilary 20 May 2026
★★★★★ ★★★★★

Exceptional personal service

First class personal service and attention to detail along with an exceptional quality of items offered for sale. A very smooth purchasing experience with swift and safe despatch of high value objects via courier. Highly recommended.
Colin 28 Apr 2026
★★★★★ ★★★★★

A lovely experience

AC Silver's website is very detailed and informative - allows customers to make well good comparisons and subsequent choices. The owner and his staff are very helpful and friendly - dealing with them is a pleasure. They go the extra mile to make sure that customers are totally satisfied with their purchases. Would highly recommend this store.
Wendy 27 Feb 2026
★★★★★ ★★★★★

Excellent experience

Excellent experience buying a beautiful item from AC Silver. Enquiries were dealt with quickly and courteously, I felt very confident buying an expensive item online. It arrived quickly and safely, beautifully packaged. I am delighted with it and wouldn't hesitate to recommend AC Silver.
Susan 24 Jan 2026
★★★★★ ★★★★★

This was an all-around great experience. The pre-sale communication was excellent and informative. The team was extremely responsive. When the item arrived, it was exactly as described.

This was an all-around great experience. The pre-sale communication was excellent and informative. The team was extremely responsive. When the item arrived, it was exactly as described. I would recommend these guys to anyone.
26 Dec 2025

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