Geometric Square Freshwater Pearl Thick Gold Earrings, 18K Gold Pearl Studs

✨ Geometric Square Freshwater Pearl Thick Gold Earrings, 18K Gold Pearl Studs ✨ Product Summary | Pearl Type | Chinese Freshwater Cultured Pearl | Pearl Size | 7–7.5mm | Metal Material | 18K Gold (Yellow Gold / Rose Gold available) Product Details "Fang Xu" (方序) combines sharp square lines with the rounded luster of pearls, presenting a design language that is simple yet rhythmic. The square frame acts as an orderly structure, stable and clean, while the pearl swings freely within, exuding a subtle yet elegant temperament. These earrings are particularly suitable for commuting and daily wear, adding a light and refined radiance to your ears. [As our factory produces its own pearls and manufactures its own jewelry, all pearl sizes are limited. Because pearls require time to harvest, and if harvests are affected by sell-outs or freshwater and cultivation conditions, causing shortages in certain sizes, some styles may temporarily be out of stock. Please inquire about stock availability before placing an order.] 🌊 Origin Information The pearls used in this piece are Chinese freshwater cultured pearls. Through long-term cultivation and strict selection, they exhibit high roundness, dense nacre, and a bright, transparent luster. In recent years, with significant advancements in technology, the surface luster of high-quality freshwater pearls can rival the fine luster of saltwater Akoya pearls. At a more accessible price point, they still offer a jewelry-grade visual appeal and texture. China is currently the world's largest pearl producer, accounting for over 90% of global output. Its cultivation techniques and pearl crafting processes are world-leading, consistently delivering high-quality pearls that are especially suitable for daily wear and designer jewelry. 💡 Wearing and Care Suggestions ・ Avoid contact with perfumes, alcohol, and acidic or alkaline substances. ・ After each wear, gently wipe with a dry cloth to keep the pearls clean. ・ Store separately to prevent scratches from collision with metal jewelry. 📦 **Process Description:** After placing an order, we will order from our overseas manufacturer, begin stone setting and production, and then ship to Taiwan. As the factory is located overseas, production and logistics typically take about 7 days. 💖 Follow us for the latest gemstone jewelry information 📌 Latest arrivals on our pinkoi store 💌 If you like a specific color or type of gemstone, feel free to message us for custom orders. Unsure whether to choose freshwater or Akoya pearls? We've compiled a comparison across seven aspects to help you select the most suitable pearls: I. Origin and Cultivation Akoya pearls are saltwater cultured, primarily from Japan and southern China. Freshwater pearls are mainly from lakes in China's Yangtze River basin. Akoya pearls require 3–5 years of cultivation, with one pearl per oyster. Freshwater pearls can grow simultaneously in multiple numbers within one mussel, with a shorter cycle. II. Shape and Size Akoya pearls have high roundness and standard shapes, commonly found in sizes of 5–8mm. Freshwater pearls are more varied; nucleated types (like Edison) can reach over 12mm. III. Color Akoya pearls are mainly white with pinkish overtones. Freshwater pearls come in a rich variety of natural colors, including pink, purple, and white. IV. Luster Akoya pearls have sharp, intense luster, known as "little light bulbs." Freshwater pearls have a softer, diffused reflection with a delicate silky sheen. V. Surface Imperfections Akoya pearls are relatively fine. Freshwater pearls may have natural growth lines, but high-grade ones are also very clean. VI. Nacre Thickness and Durability Freshwater pearls are non-nucleated or have thick nacre, offering excellent durability. Akoya pearls, with their thinner nacre, require protection from heavy pressure and abrasion. VII. Occasion Akoya pearls are noble and elegant, suitable for formal banquets. Freshwater pearls are versatile and suitable for daily wear and office attire. Unsure whether to choose freshwater or Akoya pearls? Here's a comparison of the two (detailed version): I. Origin & Cultivation Akoya Pearls Akoya pearls are saltwater cultured pearls, primarily originating from Japan, and also cultivated in Vietnam and China. The host oyster for Akoya pearls is the Pinctada fucata martensii, which requires a marine environment with high salinity and complex currents. Typically, one oyster yields only one pearl. The cultivation cycle for Akoya pearls is relatively long, about 3-5 years. Akoya's annual output is lower, accounting for about 10% of the total global pearl production (total saltwater pearls). Akoya was the first type of saltwater cultured pearl to enter commercial production, starting in the early 1900s. Saltwater cultured pearls (including Akoya) are usually nucleated, where a spherical bead nucleus is inserted into the oyster. Freshwater Pearls Freshwater pearls are cultured in freshwater environments like lakes and rivers, mainly in the lakes and rivers of China's middle and lower Yangtze River basin, such as Zhejiang, Hunan, and Jiangsu provinces. The host mussel for freshwater pearls is primarily the Hyriopsis cumingii, and the growth environment has stable and controllable water quality. One mussel can yield 10-40 or 30-50 pearls. Most freshwater pearls form naturally within the mussel without a nucleus (primarily non-nucleated cultivation), which leads to more irregular shapes. The cultivation cycle for freshwater pearls is relatively short, about 1-3 years. Freshwater pearls account for the vast majority of global pearl production, about 95%. Nucleated freshwater cultured pearls are also known as "Edison" pearls. Natural pearls and non-nucleated cultured pearls are almost entirely composed of nacre. II. Appearance - Shape & Size Shape: Due to the insertion of a round nucleus during cultivation and a relatively thin nacre layer that helps maintain roundness, Akoya pearls typically achieve a very round shape with a high percentage of perfect spheres. Over 90% of high-quality Akoya pearls are nearly perfect spheres. The roundness of Akoya pearls accessible to consumers is usually good. Freshwater cultured pearls (mainly non-nucleated) are naturally formed without a nucleus, making their shapes more prone to being oval or irregular. Over 80% of freshwater pearls on the market are oval, flattened oval, or baroque shapes, with a lower proportion of perfectly round ones. Because they are non-nucleated, perfectly round freshwater pearls are extremely rare; near-round is considered the highest roundness grade. Nucleated freshwater cultured pearls (Edison pearls) are similar in size to saltwater pearls but have lower roundness. Size: Akoya pearls are generally smaller, with produced pearls typically ranging from 6-9mm. Commercial production often focuses on 6-8mm or 5-8mm. 8mm is considered a good size, with the largest Akoya pearls reaching 10-11mm. The larger the size of Akoya pearls, the more precious they are. Even a difference of 1mm, for example, between 7-8mm and 8-9mm Akoya pearls, can result in a significant price difference. The diameter range for freshwater cultured pearls is typically between 5-12mm. Nucleated freshwater pearls (Edison pearls) can reach sizes of 12-20mm. South Sea pearls are commonly found in the 10-16mm range, with those exceeding 16mm being relatively rare and precious. III. Appearance - Color The body color of Akoya pearls is mainly white. Common overtones include pink, light greenish-blue, and light greenish-yellow, with pink being the most popular. Akoya pearls also come in blue hues (like Mabe) and yellow hues (like Aurora Queen, Aurora Gold). Saltwater pearls (including Akoya) do not have purple. Pearl colors originate from minerals or natural pigments secreted by the oyster. The main colors of freshwater cultured pearls are white, pink, and light purple. Purple is a unique color for freshwater pearls, derived from carotenoids in the triangle sail mussel. Nucleated freshwater cultured pearls (Edison pearls) can exhibit deep purple and bronze colors. Freshwater pearls do not naturally occur in pure black or deep gold. Some colors may be treated by bleaching or dyeing. IV. Appearance - Luster Pearl luster is a crucial factor in determining quality, even considered its soul. Luster is related to the thickness and quality of the nacre layers. The stronger the luster, the more precious the pearl and the higher its price. Luster is the most important value factor for pearls. Akoya pearls are renowned for their very high and beautiful luster, often called "little light bulbs of the world." Their luster is strong, producing sharp reflections and clear imagery. In top-quality comparisons, the mirror-like luster of Akoya can reach levels higher than South Sea pearls. High-quality specimens can reflect a human face. Freshwater cultured pearls have a relatively softer luster, primarily diffuse reflection, with a gentle, silky feel. Some high-quality freshwater pearls can achieve good luster, reaching 70%-80% of saltwater pearls. Some top-grade freshwater pearls can achieve "extreme strong light." The luster of freshwater pearls is shallower, with weaker refractive effects. GUILD classifies pearl luster into four grades: Very good, Good, Fair, and Poor. V. Appearance - Surface Quality Naturally produced pearls typically have minor surface blemishes. The fewer the blemishes, the better the quality of the pearl. Absolutely perfect pearls are extremely rare and expensive. Akoya pearls have a higher surface smoothness, with blemishes usually being small pinpricks. Freshwater pearls may show growth lines like concentric rings or depressions on their surface. Surface quality is divided into four grades: Very good (near flawless), Good (minor blemishes), Fair (moderate blemishes), and Poor (many blemishes). Blemish level is one of the factors in judging pearl quality. VI. Physical Characteristics - Nacre Thickness & Durability Nacre thickness is an important factor in judging the quality of nucleated cultured pearls. Nacre thickness affects the beauty and durability of the pearl. If the nacre is too thin, it can affect luster, and prolonged friction may cause it to lose luster or even "peel." Akoya pearls have relatively thinner nacre compared to other types of saltwater cultured pearls. Typically ranging from 0.15 mm to 0.55 mm. 0.5 mm is considered thick nacre for Akoya. According to GUILD standards, Akoya pearls with nacre thickness greater than 0.4 mm are of better quality. Akoya is most sensitive to nacre thickness. The thinner nacre of Akoya helps maintain its round shape. Freshwater cultured pearls (mainly non-nucleated) typically have nacre thickness from 0.3 to 0.8 mm. The internal structure of non-nucleated freshwater pearls is almost entirely composed of nacre. Prolonged wear of freshwater pearls may cause them to gradually lose luster due to friction, resulting in a relatively shorter lifespan. Nucleated freshwater cultured pearls (Edison) have thicker nacre, reaching 0.8-3mm. Overall, saltwater pearls have thicker nacre and a longer lifespan. Saltwater pearls (like South Sea pearls, Tahitian pearls) typically have nacre ranging from 0.8-3mm. South Sea pearls can have nacre up to 2mm, which is 60 to 100 times thicker than Akoya. VII. Daily Wear & Suitability Akoya pearls, with their high luster, roundness, and classic white hues, are a very popular choice for everyday wear. They are suitable for versatile necklace styles that exude elegance, luxury, and classic charm. They are also appropriate for formal occasions, weddings, and business gifts. Freshwater cultured pearls, due to their affordable price (thanks to China's large production volume and cultivation methods) and diverse colors (especially baroque shapes), are a popular choice for daily commutes and casual styling. High-quality freshwater pearls (with extreme strong light, near-round shape, and minimal blemishes) are visually indistinguishable from saltwater pearls to the naked eye and offer excellent value, making them very suitable for daily wear. They are ideal for students, new professionals, or lovers of baroque pearls. If you have a limited budget and primarily wear pearls daily, high-quality freshwater pearls are an excellent choice. From a purely functional perspective, there is very little difference in the wearing experience between high-quality freshwater pearls and saltwater pearls.