{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:29:11+00:00","price":"27.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0BLNBMVZX?maas=maas_adg_api_591219144452308049_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB27ddef26812f70e56cdc1c78cf939272&aa_adgroupid=7eb72b0b05b891ea9d01148f721288e2_PBSEP_!!!affid!!!_118045_&aa_creativeid=083fmuz2VptY5OHPresGCJuVEwRD4Dz7vp6IVcSwA1tCftk_c"}],"product":{"brand":"PROSTEEL-UK","evidence_url":"https://mainbuyer.com/evidence/products/prosilver-adjustable-925-sterling-silver-ring-for-women-heart-solitaire-cubic-zirconia-birthstone-open-thumb-rings-celtic-jewellery-for-ladies-girls-b0blnbmvzx/prices","gtin":null,"id":10737,"model_number":null,"name":"PROSILVER Adjustable 925 Sterling Silver Ring for Women Heart Solitaire Cubic Zirconia Birthstone Open Thumb Rings, Celtic Jewellery for Ladies Girls","product_url":"https://mainbuyer.com/product/prosilver-adjustable-925-sterling-silver-ring-for-women-heart-solitaire-cubic-zirconia-birthstone-open-thumb-rings-celtic-jewellery-for-ladies-girls-b0blnbmvzx","urn":"MB-AWIN-GB-B0BLNBMVZX"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"27.99","historical_low":"27.99","last_observed_at":"2026-09-17T12:29:11+00:00","low_30d":"27.99","low_90d":"27.99","median_price":"27.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:11+00:00"}}