Rope (pearl-strand length)

Necklaces above 36 inches, also called sautoirs in French trade usage

Rope is the trade designation for a pearl-strand length above 36 inches (91 centimetres), the longest of the standard pearl-necklace length categories used by GIA and other grading laboratories. A rope-length strand falls below the breastbone in standard wear and is most often worn doubled, looped, or secured with a clasp or slide that allows the wearer to vary the length and silhouette. The French trade term for the same length, sautoir, is used interchangeably in much European and high-jewellery trade conversation. Rope-length strands have been a fixture of the pearl trade since the early twentieth century.

The standard length categories

The conventional pearl-strand length categories are: collar (12 to 13 inches), choker (14 to 16 inches), princess (17 to 19 inches), matinee (20 to 24 inches), opera (28 to 36 inches), and rope (above 36 inches). The boundaries between categories are conventional rather than strict; the trade applies the categories to round and near-round pearl strands principally, with baroque and irregular pearls following the same length terminology. The categories are descriptive, not normative, and a strand that falls between categories is described by its actual length in inches or centimetres.

The rope in twentieth-century fashion

Rope-length pearl necklaces became fashionable in the 1920s, in the broader context of art-deco fashion that favoured long unfussy lines, dropped waists, and accessories that traced the lengthened silhouette. Coco Chanel's well-known association with the rope of pearls, often layered with shorter strands, supported the style throughout the inter-war period. The 1920s rope strand was typically natural saltwater pearl from the Persian Gulf, the Red Sea, or Sri Lanka; cultured Akoya pearls began to enter the market in significant volume only in the late 1920s as Mikimoto's production matured.

Construction and clasp design

A rope-length strand requires careful pearl selection because the length is unforgiving of mismatched colour or lustre. The strand may be uniform in pearl size or graduated, with larger pearls toward the centre and smaller pearls toward the clasps. Single-strand ropes are most common, but double-strand and triple-strand ropes are produced for particularly elaborate designs.

Clasp design ranges from a simple lobster or fishhook clasp to elaborate gem-set bow or bar clasps that double as decorative slides. Many rope-length necklaces incorporate a clasp that allows the strand to be worn as a single rope, doubled into two shorter strands, or wrapped multiple times around the wrist as a bracelet. Rope-length strands with concealed magnetic or hook-and-eye joints can be worn in any number of configurations and offer the most versatility.

Pearl varieties at rope length

All major pearl varieties appear in rope-length strands. Akoya cultured pearls (typically 5 to 9 millimetres in diameter) supply the largest segment of the commercial market for rope-length strands, with white-rosé, white-silver, and cream body colours in standard offerings. South Sea cultured pearls (white and golden, typically 9 to 15 millimetres or larger) at rope length represent the upper end of the modern market. Tahitian black cultured pearls supply rope-length strands in dark grey through aubergine through peacock-green colours. Freshwater cultured pearls (Chinese, principally) supply rope-length strands at more accessible price points, often with longer drilled lengths than their saltwater counterparts. Natural pearls at rope length are rare in the modern market and command premium prices.

Wearing the rope

The rope can be worn in a wide range of configurations: full-length single strand reaching the waist or below; doubled around the neck for an opera-length two-strand effect; tripled into a princess-length three-strand stack; tied in a single knot near the chest; or wrapped multiple times around the wrist as a bracelet. The configurations a wearer adopts depend on the strand's actual length, the diameter of the pearls (smaller pearls accommodate more loops without bulk), and the clasp design. The flexibility of the rope length is one of its principal attractions.

Care and string condition

Rope-length pearl strands are particularly vulnerable to wear at the string. The combined weight of a long strand stresses the silk thread between each pearl, and the thread should be inspected periodically and restrung when necessary. Reputable pearl dealers recommend restringing every two to three years for a strand worn regularly, more often for a strand worn frequently. Pearls themselves require gentle handling: avoidance of contact with perfumes, cosmetics, and household chemicals; cleaning with a soft cloth and, occasionally, very mild soap and water; storage flat in a soft pouch rather than hung. Ultrasonic and steam cleaning are absolutely contraindicated for pearl jewellery.

The trade and the modern market

Rope-length strands continue to be produced across the price spectrum, from accessible Chinese freshwater pearls in basic configurations through fine Akoya and Tahitian saltwater strands to South Sea ropes that command six-figure sums for premium examples. The market is sensitive to length, pearl diameter, colour uniformity, lustre, surface quality, and overall match. GIA's pearl grading framework — the Seven Pearl Value Factors of size, shape, colour, lustre, surface quality, nacre quality, and matching — applies to rope strands in the same way it applies to shorter strands. Auction-house sales and specialist pearl dealers (Mikimoto, Mikimoto's competitors in Japan, and the long-established London and Paris pearl merchants) are the principal venues for the high end of the market.

In the trade

The rope length, more than any other pearl-strand category, rewards careful pearl selection and patient stringing. A well-matched and well-strung rope-length pearl necklace is one of the most versatile pieces in a jewellery wardrobe, accommodating a wide range of necklines, occasions, and styling decisions. The encyclopedia entry treats rope as a defined length category and connects it to the broader vocabulary of pearl-strand fashion that has been a feature of the trade since the early twentieth century.