Diamond Scales
Diamond scales are designed for exceptional accuracy, often with a readability of 0.001 carat (ct) or even 0.0001 ct. This is necessary because even slight variations in weight can significantly impact a diamond's value.

Within the realm of gemology, diamond scales play a critical role in accurately determining the weight of diamonds, a crucial factor influencing their value. These specialized instruments operate with a level of precision far exceeding everyday weighing devices.

Unlike traditional scales, diamond scales prioritize exceptional readability. They typically offer a minimum readability of 0.001 carat (ct), with some high-end models reaching an astonishing 0.0001 ct. This level of detail is paramount because even minute weight variations can significantly impact a diamond's price.

The design of diamond scales reflects their specific application. Compact and portable, they are ideally suited for use in jewelry workshops and can be easily transported for appraisals or auctions. Additionally, their small platforms minimize the potential for errors caused by vibrations on larger weighing surfaces.

Advanced features further enhance the functionality of diamond scales. The tare function allows for zeroing out the weight of any container or packaging, ensuring precise measurement of the diamond itself. Some models offer the versatility of displaying weight in multiple units, such as grams (g), milligrams (mg), and carats (ct), catering to international clientele.

Calibration is essential for maintaining the accuracy of diamond scales. These instruments utilize calibration weights of known mass to ensure precise readings. Regular calibration intervals are established by the manufacturer and strictly adhered to by professional users.

Diamond scales are not commonplace equipment. Due to their high precision and delicate nature, they are primarily employed by gemologists and jewelers. Their expertise allows for the proper handling, calibration, and interpretation of weight measurements. These specialized tools contribute significantly to the accurate valuation of diamonds, ensuring both transparency and fairness in the gem trade.

In conclusion, diamond scales, though unassuming, are an indispensable tool in the world of gemology. Their remarkable precision, tailored design, and advanced features empower professionals to accurately assess the weight of diamonds, a cornerstone of diamond valuation.

The Best Diamond Scales and Balances Diamond Scales Series Ohaus SJX323N/E Ohaus SPJ202 Ohaus TAJ203 Ohaus PAJ1003CN Rice-Lake TP-220 Price From $499.95 $244.39 $2,187.57 $909.48 Capacity X Readability 64 x 0.001 g 320 x 0.01 ct 200 x 0.01 g 1000 x 0.05 ct 40 g x 1 mg 200 x 0.005 ct 1050 x 0.001 ct 220 x 0.001 g 1,100 x 0.01 ct Legal for Trade 64 x 0.01 g 320 x 0.1 ct - - 1050 x 0.01 ct - Pan Size Ø3.7 in / Ø93 mm Ø4.7 in Ø 3.5 in / Ø90 mm Ø 3.5 in / Ø90 mm Ø 4.6 in Interface Optional USB, RS-232, Ethernet, Bluetooth Optional RS232, USB Optional RS232, USB RS-232 RS-232, USB Selectable Units g, kg, ct, oz, ozt, dwt, lb, grn g, ct, oz, dwt, tical, tola, baht, grain, mesghal, oz t, 3 teal units Hong Kong, Singapore, Taiwan) g, ct, oz, dwt, tical, tola, baht, grain, mesghal, oz t, teals (Hong Kong, Singapore, Taiwan) g, mg, ct, oz, ozt, gn, dwt g, ct, lb, oz, d, GN, ozt, dwt, MM, TI.T, TL.C, TL.t, t, N, g2 Calibration External External External External External More info Models more info more info more info more info Series Aczet CZ 153 Tanita 1230 Tanita KP601 Sartorius GCL1103i-2S Sartorius GCL603i-2S Price From $365.04 $239.95 $299.00 $1,624.00 $1,575.00 Capacity X Readability 150 g x 0.001 g 750 x 0.005 ct 20 x 0.002 g 100 x 0.01 ct 100 x 0.002 g 500 x 0.01 ct 1100 x 0.001 ct 600 x 0.001 ct Legal for Trade - - - - - Pan Size Ø 120 mm Ø 4.7 in Ø 45 mm Ø 90 mm Ø 90 mm Interface RS232 - - USB, RS-232 USB, RS-232 Selectable Units g, ct, lb, oz, d, gn, ozt, dwt, mommes, grain, t, Hong Kong , Singapore , Taiwan Taels,bt, n ct, ozt, grain, g carat, gram, ounce, troy ounce, penny weight, and grain ct ct Calibration External External External Internal Internal More info Models More Info. More Info. More Info. more info Series Ohaus PR323N/E Ohaus PR523N/E Ohaus PR523N AND Weighing EJ-54D2 AND Weighing EJ-123 Price From $1,162.80 $1,481.55 $1,717.00 $396.90 $302.40 Capacity X Readability 320 x 0.001g 1600 x 0.005 ct 520 x 0.001g 2600 x 0.005 ct 520 x 0.001g 2600 x 0.005 ct 22 g x 0.0002 g 52 g x 0.001 g 110 x 0.00001 ct 260 x 0.005 ct 120 x 0.001 g 600 x 0.005 ct Legal for Trade 320 x 0.01g 520 x 0.01g 520 x 0.01g - - Pan Size Ø 4.72 in. / 120 mm Ø 4.72 in. / 120 mm Ø 4.72 in. / 120 mm Ø 50 mm Ø 110 mm Interface RS-232 (USB,Ethernet) RS-232 (USB,Ethernet) RS-232 (USB,Ethernet) RS-232 optional RS-232,USB Selectable Units g, mg, ct, dwt, grain, oz, ozt g, mg, ct, dwt, grain, oz, ozt g, mg, ct, dwt, grain, oz, ozt G, oz, ozt, ct, mom, dwt, GN, tl (Hong Kong General), tola G, oz, ozt, ct, mom, dwt, GN, tl (Hong Kong General), tola Calibration External External Internal External External More info More info More Info. More Info. more info Series AND Weighing Apollo ohaus Adventurer Adam Luna Aczet CY Vibra HT Price From $1,990.80 $4,035.80 $1,265.75 $950.47 $1,179.36 Capacity X Readability 220 x 0.0001 g 320 x 0.0001 g 120 x 0.001 g 220 x 0.001 g 320 x 0.001 420 x 0.001 g 620 x 0.001 g 1100 x 0.001 g 1620 x 0.001 g 82 x 0.00001 g 120 x 0.0001 g 220 x 0.0001 g 120 x 0.0001 220 x 0.0001 320 x 0.0001 80 g x 0.1 mg 120 g x 0.1 mg 210 g x 0.1 mg 250 g x 0.1 mg 220 g x 1 mg 420 g x 1 mg 620 g x 1 mg 820 g x 1 mg 60 g x 0.1 mg 120 g x 0.1 220 g x 0.1 mg 300 g x 0.1 mg 200 g x 0.01 mg 80 g x 0.1 mg 120 g x 0.1 mg 220 g x 0.1 mg 220 g x 0.1 mg Legal for Trade 122 x 0.001 g 220 x 0.001 g 320 x 0.001 g 120 x 0.01 g 220 x 0.01 g 320 x 0.01 g 420 x 0.01 g 620 x 0.01 g 220 x 0.01 g 320 x 0.01 g 620 x 0.01 g - - - Pan Size Ø 90 mm 128 mm x 128 mm Ø 3.1 in / 80 mm Ø 3.5 in / 90 mm Ø3.5 in / 90 mm Ø 4.7 in/ 120 mm Ø 90 mm Ø 70 mm Ø 3.15 in Ø 80 mm Interface USB, RS-232 USB, RS-232 USB, RS-232 RS232C USB, RS-232 Selectable Units g, oz, lb, lb-oz, ozt, ct, mom, dwt, gr, pcs), %, SG , Custom B, ct, gr, g, mg, mesg, mm, N, oz, dwt, lb, Tael (HK), Tael (SG), Tael (TW), tl, tola, ozt, custom mg, g, ct, GN, N, dr, oz, ozt, dwt, mm, tl.T, tl.H, tl.S, T, custom unit gram, ounce, troy ounce, grain, pennyweight, carat, Milligram ,momme, mesghal, Hong Kong tales, Singapore taels, Taiwan tales, baht g, mg, ct, oz, lb, oz t, dwt, GN, momme Calibration Internal External Internal External Internal External Internal External Internal External More Info. More Info. More Info. more info more info