1900 Antique Ruby 3.48 Carats Diamonds Gold Platinum Pendant Brooch

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A magnificent, exceptional and impressive antique 3.48 carat diamond and 0.53 carat ruby, platinum and 18 karat yellow gold pendant / brooch; part of our diverse antique jewelry and estate jewelry collections

This magnificent, fine and impressive ruby and diamond pendant/brooch has been crafted in platinum with an 18k yellow gold ruby setting.

The simple yet effective square, pierced decorated frame displays a central feature 0.48ct Old European round cut diamond, claw set within four fleur-de-lys shaped millegrain decorated settings.

The central arrangement is surrounded by a rectangular 18k yellow gold setting ornamented with sixteen square stepped cut natural rubies.

A millegrain decorated flower and pinnate leaf design embellished with forty-four pavé and bezel set Old European cut diamonds surrounds the rubies.

Thirty-six channel set square mine cut diamonds are displayed in the exterior border, which completes the overall design.

This versatile pendant is suspended from a contemporary 18k white gold hallmarked trace chain via a detachable, flared suspension loop attachment accented with three pavé set Old European cut diamonds.

This stunning antique pendant can also be worn as a brooch via a detachable screw fit, hinged pin and clasp fastening.

This fine example of early 1900's craftsmanship is stamped to the reverse with the maker's mark 'BILLINGS'*.

This fine pendant/brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum and 18k gold.

The diamond and ruby brooch is supplied with an independent diamond grading certificate for the central diamond in addition to an independent diamond grading report card for the supporting stones.

NOTE *BILLINGS - Chester Billings & Son (1897-1910) was the successor to Randel, Baremore & Billings (1880-1897). Based in New York, Billings was also a London diamond importer.

Diamond Quality

Feature Diamond

Color G
Clarity VVS2
Cut Old European round
Content 0.48 carat
Dimensions 4.79mm x 4.70mm x 2.83mm

Supporting Diamonds

Color (average grades) H
Clarity (average grades) SI2
Cut Square mine/Old European
Content (total) 3.00 carats

Total Diamond Content

3.48 carats

Ruby Quality

Color Natural
Cut Square step
Content (total) 0.53 carat


Length of drop 4.4cm/1.73"
Width of setting 3.5cm/1.37"
Chain length 45.72cm/18"

Maker: Chester Billings & Son - strong probability
Origin: New York/London
Date: Circa 1900

Video: A video of this fine piece is available upon request

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

AC Silver item Ref. SKU: A4634
Place of Origin
United States
Date of Manufacture
Circa 1900
18k Gold
White Gold
Yellow Gold
Excellent. This magnificent pendant/brooch is exceptional quality set with natural rubies and very high color graded, old cut diamonds. The brooch is a very good gauge of platinum and is in excellent condition, with a clear mark to the reverse of the setting..
1.37 in. W x 18 in. L
3 cm W x 46 cm L
18 in. (46 cm)
Dealer Location
Jesmond, United Kingdom
Number of Items
Reference Number
About The Seller
AC Silver
35B St Georges Terrace
Jesmond Newcastle Upon Tyne NE2 2SU
+44 3333441849
1stdibs Dealer since 2015 Located in Jesmond, Newcastle Upon Tyne