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ID #SA1235172
FOR SALE
£695
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18ct Gold Black Boulder Opal and Diamond Drop Stud Earrings
For sale by AgAu Jewellery
for sale €813     $883
£695
AgAu Jewellery

AgAu Jewellery

Sellingantiques Verified Since Apr 2011
Browse dealers 285 items
  • About Us
    If you would prefer to pay via credit/debit card please get in touch via email or phone, thank you
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Id #SA1235172
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18ct Gold Black Boulder Opal and Diamond Drop Stud Earrings

1940 - 1960
For Sale by AgAu Jewellery
Description

18ct Gold Black Boulder Opal and Diamond Drop Stud Earrings. The earrings are marked for 18ct gold on the studs. The earrings are set with a freeform cut boulder opal approx (1.50ct), the opals are incredible quality with dark and light blues with flashes of violet and green. The stones have been shaped off an opal stone boulder. Set above the opal is a (2 point) diamond. The backs are 18ct gold butterfly backs encased in resin are added security. The earrings measures 22mm in length (18mm from the post) x 7mm width. The earrings weight is 2.0 grams, The earrings are offered in excellent condition.

Metal: 18ct yellow gold. 

Stone(s): 1 x black boulder opal opal (1.50ct), 1 x diamond (2 point) in each stud earring

Measurements: Earring Measurements 22mm length (18mm drop) x 7mm width

Hallmark: Marked for 18ct gold

Weight: 2.0g

Condition: Excellent condition 

Please NOTE if you are purchasing from outside the UK there maybe customs charges that have to be paid before shipping due to now being charged before the parcel leaves the UK. This payment is in addition to any extra postage charges. As a rule if you are in Europe you will be charged your local VAT rate on the purchase price. If in the USA the 20% tariff + Fees (NOT my fees, Royal Mails) of the purchase price will have to be paid prior to shipping. If you have any questions concerning your specific location please do not hesitate to ask and I will endeavor to answer any questions. Thanks Dan

Date of Manufacture

AgAu Jewellery has dated these Gold Boulder Opal Earrings to the 1960s.

Physical Dimensions
Height
2.2cm (0.87")
Width
0.7cm (0.28")
Depth
1.4cm (0.55")
Reference Numbers
Sellingantiques Reference
SA1235172
Dealers Internal Reference
408265
Dealers Notes

To locate this item on our website use the 'Internal Ref' below on agaujewellery.com where you can also view and/upgrade your packaging, pay using Credit/Debit card, PayPal, American Express, GooglePay and ApplePay

________________

All items are shipped using our standard of 5 working days, for express shipping please order on our website. EUROPEAN & WORLDWIDE CUSTOMERS ONLY: Please add £32 at the Stripe shipping option for European and £45 if you live anywhere else in the world.

________________

We offer a 14 day return on all items as standard, by placing an order with Selling Antiques you accept our terms of sales & return policy agaujewellery.com/terms-and-conditions

Description
18ct Gold Black Boulder Opal and Diamond Drop Stud Earrings. The earrings are marked for 18ct gold on the studs. The earrings are set with a freeform cut boulder opal approx (1.50ct), the opals are incredible quality with dark and light blues with flashes of violet and green. The stones have been shaped off an opal stone boulder. Set above the opal is a (2 point) diamond. The backs are 18ct gold butterfly backs encased in resin are added security. The earrings measures 22mm in length (18mm from the post) x 7mm width. The earrings weight is 2.0 grams, The earrings are offered in excellent condition.
fig 1. A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds.
fig 1. 18ct Gold Black Boulder Opal and Diamond Drop Stud Earrings

Metal: 18ct yellow gold. 

Stone(s): 1 x black boulder opal opal (1.50ct), 1 x diamond (2 point) in each stud earring

Measurements: Earring Measurements 22mm length (18mm drop) x 7mm width

Hallmark: Marked for 18ct gold

fig 2. A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds.
fig 2. 18ct Gold Black Boulder Opal and Diamond Drop Stud Earrings

Weight: 2.0g

Condition: Excellent condition 

“
Please NOTE if you are purchasing from outside the UK there maybe customs charges that have to be paid before shipping due to now being charged before the parcel leaves the UK.
AgAu Jewellery

This payment is in addition to any extra postage charges. As a rule if you are in Europe you will be charged your local VAT rate on the purchase price. If in the USA the 20% tariff + Fees (NOT my fees, Royal Mails) of the purchase price will have to be paid prior to shipping. If you have any questions concerning your specific location please do not hesitate to ask and I will endeavor to answer any questions. Thanks Dan

Date of Manufacture

AgAu Jewellery has dated these Gold Boulder Opal Earrings to the 1960s.

Height
2.2cm (0.87")
Width
0.7cm (0.28")
Depth
1.4cm (0.55")
Reference Numbers
Sellingantiques Ref
SA1235172
Dealers Internal Ref
408265
AgAu Jewellery
AgAu Jewellery
Sellingantiques verified Since Apr 2011

If you would prefer to pay via credit/debit card please get in touch via email or phone, thank you

Dealer Profile

You can view the stock and full dealer information on the AgAu Jewellery Profile Page

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A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds.
1 / 11
Archive I A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds.

18ct Gold Black Boulder Opal and Diamond Drop Stud Earrings

Archive II A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds. View II
Archive III A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds. View III
Archive IV A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds. View IV
Archive V A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds. View V
Archive VI A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds. View VI
Archive VII A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds. View VII
Archive VIII A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds. View VIII
Archive IX A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds. View IX
Archive X A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds. View X
Archive XI A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds. View XI
Enlarged Archival View
AgAu Jewellery

AgAu Jewellery
Telephone 01617 061316
Location
Stockport
Great Manchester
United Kingdom
Dealer Profile Page sellingantiques.co.uk/AgAu
Verified Since Apr 2011
Items For Sale 285
Items Sold 1,903
AgAu Jewellery
AgAu Jewellery
Verified Since Apr 2011
View Dealer Info
Location: Stockport, Great Manchester, United Kingdom
Profile: sellingantiques.co.uk/AgAu
Verified
Apr 2011
For Sale
285
Sold
1,903
A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds.
18ct Gold Black Boulder Opal and Diamond Drop Stud Earrings
Ref: SA1235172
A pair of 18ct yellow gold drop earrings featuring freeform blue boulder opals suspended beneath bezel-set round diamonds.
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Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectEarrings
  • Period1940 - 1960
  • StyleModernist
  • Material18ct Gold, Boulder Opal, Diamond
  • ColourBlue, Gold
  • MotifsFreeform cabochon, bezel setting, openwork loop, drop hinge
  • SizeH 2.2 cm (1 in) x W 0.7 cm (0 in) x D 1.4 cm (1 in)

These 1960 Modernist drop stud earrings are fashioned from 18ct yellow gold, black boulder opal, and diamond. Each earring comprises a freeform cabochon-cut boulder opal suspended beneath a round diamond in a bezel setting, connected by a drop hinge to an openwork loop stud marked for 18ct gold with resin-encased butterfly backs. The opals display deep blue shades with brighter azure flashes, contrasting against the polished gold mountings and the white sparkle of the diamonds. The items measure 2.2 cm high, 0.7 cm wide, and 1.4 cm deep, weighing 2.0 grams total with no apparent wear. These pieces suit personal wear as fine jewellery, adding a refined accent to evening attire or everyday outfits. They fasten securely to the earlobes for comfortable daily use or formal occasions.

FAQs

Boulder opal drop earrings are items of fine jewellery featuring native Australian boulder opals set into precious metal mounts that hang below the earlobe. The stones remain attached to their natural ironstone host rock, creating distinctive dark backings that intensify the blue and green play-of-colour.

These earrings are constructed using solid gold, commonly 18ct or 14ct yellow gold, paired with polished boulder opal cabochons. Secondary accent stones such as brilliant-cut diamonds are frequently integrated into the settings to add contrast and sparkle.

Authentic boulder opal displays an irregular, natural join between the precious opal vein and the underlying brown ironstone matrix on the reverse of the stone. Unlike synthetic or doublet opals, genuine boulder opals feature a continuous, solid stone layer integrated directly into the host rock.

Gemstone drop earrings can be paired with formal eveningwear or worn alongside tailored daytime tailoring to introduce natural colour accents. Their drop design complements open necklines, swept-back hairstyles, and minimalist monochrome outfits.

Boulder opal jewellery should be cleaned gently using warm water, mild soap, and a soft cloth, avoiding ultrasonic cleaners and harsh chemicals. Store pieces individually in soft fabric-lined boxes away from direct heat and abrasive surfaces to prevent scratching.
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