Bijoux : collection de Monsieur G.
Sunday 7 June 2026 at 14:00
1 ter, boulevard de la République, 92210 Saint-Cloud
219 lots
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101 - River bracelet in 750 thousandths yellow gold, set with thirty-seven emerald-cut sapphires and colored sapphires arranged in a rainbow pattern (green, blue, pink, yellow and orange, some stones heated), alternating with two links each set with nine baguette-cut and modern brilliant-cut diamonds (stones probably changed later), secure ratchet clasp. Modern work. Estimated total weight of sapphires/diamonds: 0.25 to 0.80/0.15 ct Length: 17.8 cm Gross weight: 20.6 g
Result €3,000Estimate €1,500 - €2,000 -
102 - Asymmetrical ring in yellow and white gold 750 thousandths, set with five calibrated colored gemstones including a topaz, a citrine, an amethyst, a green tourmaline and a tanzanite (small shock to some), the bezel set at the ends with a cabochon-cut sapphire (one missing, crack to the ring). Late 20th century. Finger size: 46.5 Gross weight : 5,4 g
Result €300Estimate €300 - €400 -
103 - MANCADORI LA SQUADRA. Band ring in yellow gold 750 thousandths, presenting a white stone on a moving bezel. Italian work of the late 20th century. Signed. Width : 1.4 cm - Finger size : 56.5 Gross weight : 12,2 g
Result €1,000Estimate €600 - €800 -
104 - Ring in yellow gold 750 thousandths, the geometrical bezel set with an old oval-cut diamond approx. 0.75 ct. M. O. French: HOURDEQUIN-GRINGOIRE (insculpation in 1965). Diamond size: 6.9 x 5.6 x 2.8 mm Finger size: 52.5 Gross weight: 7.8 g
Result €800Estimate €800 - €1,200 -
105 - Ring in pink gold 750 thousandths, set with a cushion-cut sapphire approx. 1.70 ct, flanked by two oval-cut pink sapphires approx. 1 ct each. Sapphire size: 7.6 x 6.8 x 4.7 mm Width: 1 cm Finger size: 50.5 Gross weight: 10.1 g
Result €2,100Estimate €800 - €1,200 -
106 - Ring in pink and white gold 750 thousandths, set with a large square cushion-cut orange sapphire weighing approx. 11 ct (heated), flanked by four baguette- and trapeze-cut diamonds. Sapphire size: 13.6 x 13.4 x 8.4 mm Total estimated diamond weight: 0.70 ct Finger: 51 - Gross weight: 13.1 g Orange sapphire certified by the GemParis laboratory as being of Sri Lankan origin and heated (S2-2).
Result €2,700Estimate €2,000 - €3,000 -
107 - HERMÈS. Band ring in yellow gold 750 thousandths, set with an oval-cut diamond approx. 0.25 ct in closed setting (small chip), the body of the ring openworked, with a rectangular link motif. Signed and numbered 54702. Balance model. M. O. French: A. Co. Blason. Diamond size: 5.1 x 4 x 2.1 mm approx. Finger size : 52 Gross weight : 12,9 g
Result €2,500Estimate €1,000 - €1,500 -
108 - Ring in 750 thousandths pink gold, set with an oval-cut rubellite tourmaline weighing approx. 4.40 ct, the openwork setting. Late 20th century. M. O. French: D. Lyre. D. Tourmaline size: 10.9 x 9.9 x 7 mm Finger size : 53 Gross weight : 12,7 g
Result €1,400Estimate €750 - €1,000 -
109 - Series of twenty-one pear-cut diamonds weighing approx. 0.35 ct to 0.70 ct, the largest approx. 1.25 ct. Main diamond size: 9 x 5.4 x 3.7 mm
Estimate €5,000 - €8,000 -
110 - Band ring in 750 thousandths white gold, presenting a central oval-cut sapphire approx. 0.20 ct, the body of the ring adorned with ten marquise-cut sapphires (shock to one) and alternating with six modern brilliant-cut diamonds. French work from the late 20th century. Main sapphire size: 6.6 x 5 x 4.2 mm Total estimated weight of sapphires/diamonds: 1.20/0.30 ct Finger size: 52 Gross weight: 10.7 g
Result €700Estimate €600 - €800 -
111 - MAUBOUSSIN "Alessandra". Ring in 750 thousandths white gold, set with an oval-cut amethyst. Early 2000s. Signed, numbered C6852. M. O. French (partial): E.C. Width: 1.1 cm Finger size : 49 Gross weight : 12 g
Result €900Estimate €600 - €800 -
112 - Pair of 750 thousandths white gold earrings, each featuring an oval-cut blue topaz weighing approximately 4.80 ct, held in place by a line of five baguette-cut diamonds, Alpa attachments. Estimated total weight of topaz/diamonds: 9.60/0.80 ct Height 3.3 cm - Width: 1 cm Gross weight: 10.6 g
Result €1,100Estimate €500 - €800 -
113 - Dome ring in 750 thousandths white gold, the bezel set with five square and oval-cut peridots, the largest approx. 3.30 ct. French work from the 1980s. M. O.: Sté. D. Clé de FA. I. Total estimated weight of peridots: 8.50 ct Height 1.1 cm - Width: 1.6 cm Finger size : 55 Gross weight : 15,6 g
Result €1,400Estimate €800 - €1,000 -
114 - Band ring in 750 thousandths white gold, featuring crosses set with three tanzanites and three oval-cut citrines. M. O. French: HOURDEQUIN-GRINGOIRE (insculpation 1965). Estimated total weight of tanzanites/citrines: 0.50/0.40 ct Finger size : 51 Gross weight: 10.2 g
Result €700Estimate €650 - €800 -
115 - CARTIER. Ring in yellow gold 750 thousandths, set with a large oval-cut aquamarine. Signed and numbered JOL531. Dated 1999. Width : 1 cm - Finger size : 54 Gross weight : 20 g Accompanied by its case.
Result €7,000Estimate €1,200 - €1,500 -
116 - MAUBOUSSIN "Nadia". Wedding band ring in 750 thousandths white gold, set with a modern brilliant-cut diamond weighing approx. 0.70 ct, shouldered by two pieces of white mother-of-pearl. Signed and numbered V0659. M. O.: B. Sté Tennis racket. G. Diamond size: 5.6 - 5.6 x 3.3 mm Finger size : 51 Gross weight : 8,3 g
Result €1,200Estimate €800 - €1,200 -
117 - Necklace in 750 thousandths white gold, formed of a succession of falling hearts, the eleven main ones entirely set with approximately one thousand six hundred and fifty modern brilliant-cut diamonds (three stones missing, setting to be checked), secure ratchet clasp (minor restorations, clasp not functional). Modern work. Total estimated diamond weight: approx. 25 ct. Length : 42.5 cm - Width : 2 cm Gross weight : 117 g
Result €8,400Estimate €8,000 - €12,000 -
118 - GEORGES LENFANT for HERMÈS. Ring in 750 thousandths white gold, presenting a sugarloaf-cut aquamarine weighing approx. 9.10 ct. Signed and numbered 51 74832. M. O. French: George LENFANT (Insculpation in 1935). Pay model. Aquamarine size: 15.8 x 11 x 7.2 mm Finger size: 51 Gross weight: 20.4 g
Result €3,500Estimate €1,000 - €1,500 -
119 - Ring in 750 thousandths white gold, set with a square cabochon-cut blue topaz, shouldered by two lines of four modern brilliant-cut diamonds. Topaz size: 8.5 x 8.4 x 4 mm Total estimated diamond weight: 0.08 ct Finger size : 51.5 Gross weight : 9.5 g
Result €650Estimate €450 - €600 -
120 - Ring in 750 thousandths white gold, set with two round-cut emeralds (minor chips), shouldered by five modern brilliant-cut diamonds (minor chips to one, minor scratches to the metal). Late 20th century. Total estimated diamond weight: 0.10 ct Finger size : 49.5 Gross weight : 17.2 g
Result €1,200Estimate €800 - €1,000 -
121 - Ring in 750 thousandths white gold, set with a navette-cut diamond weighing approx. 0.50 ct, flanked by two oval-cut diamonds weighing approx. 0.30 ct each. French work, circa 2000. M. O. : A. Chat. H. Width: 0.9 cm - Finger: 52 Gross weight: 12.1 g
Result €1,000Estimate €800 - €1,000 -
122 - Toi et Moi ring in 750 thousandths white gold, set with a tsavorite garnet approx. 0.90 ct and a pale yellow diamond approx. 0.80 ct, both oval-cut, shouldered by six baguette-cut diamonds. M. O. French (partial) : B. E. Total estimated diamond weight: 1.10 ct Finger size : 51 Gross weight : 3,6 g
Result €860Estimate €600 - €800 -
123 - Ring in 750 thousandths white gold, set with a pear-cut diamond weighing approx. 0.55 ct in a closed setting (fragile ring). Modern French work. Diamond size: 6.7 x 5 x 2.6 mm Finger size: 52.5 Gross weight : 5,8 g
Estimate €800 - €1,200 -
124 - Ring in 750 thousandths white gold, the oval bezel presenting an oval-cut aquamarine, approx. 3.10 ct, in a setting of eighteen round-cut pink sapphires. Aquamarine size: 11.9 x 9.2 x 5.7 mm Total estimated weight of sapphires: 0.50 ct Finger size: 52.5 Gross weight: 14.2 g
Result €1,200Estimate €800 - €1,200 -
125 - Ring in 750 thousandths white gold, alternating three oval-cut amethysts and two heart-cut diamonds. Early 21st century. Estimated total weight of amethysts/diamonds: 1.90/0.60 ct Finger size: 51.5 Gross weight: 8.8 g
Result €600Estimate €600 - €800 -
126 - Yellow and white gold 750 thousandths ring, set with a leaf-cut yellow sapphire approx. 3.80 ct (heated), flanked by twelve modern brilliant-cut diamonds. M. O.: Sté. Éléphant. T. Sapphire size: 12.2 x 8.5 x 5.3 mm Total estimated diamond weight: 0.60 ct Finger size : 52.5 Gross weight : 14.1 g
Result €1,300Estimate €1,000 - €1,500 -
127 - In the PIAGET "Possession" style. Band ring in 750 thousandths white gold, featuring a mobile ring punctuated with seven modern brilliant-cut diamonds (fragility to the ring). French work from the late 20th century. Total estimated diamond weight: 1.10 ct Finger size : 53.5 Gross weight : 21.6 g
Result €1,600Estimate €1,400 - €1,800 -
128 - FRED PARIS "Pain de sucre". Ring in 750-thousandths white and yellow gold, featuring a sugar loaf-cut carnelian weighing approx. 12.70 ct. Signed and numbered RC 978. M. O.: Sté. Feuille. C. Carnelian size: 13.2 x 13.3 x 10.3 mm Bezel height: approx. 2 cm Finger size: 50.5 Gross weight: 17.8 g
Result €2,000Estimate €1,000 - €1,500 -
129 - Ring in white and yellow gold 750 thousandths, set with a cushion-cut diamond approx. 1.20 ct. Modern French work. M. O. : J. Poisson. L. Diamond size: 7.5 x 6.4 x 3.4 mm Finger size : 51 Gross weight : 11 g
Result €1,500Estimate €1,000 - €1,500 -
130 - FRED PARIS "Mouvementée". Ring in 750 thousandths white gold, set with seventeen modern brilliant-cut diamonds. Year 2000. Signed and numbered SI 992063. Estimated total diamond weight: 0.35 ct Finger size : 50.5 Gross weight : 13.6 g
Result €1,300Estimate €1,000 - €1,500 -
131 - Ring in 850 thousandth platinum and 750 thousandth yellow gold, the central motif set with twelve princess-cut diamonds in invisible setting, shouldered by fourteen calibrated diamonds. Late 20th century. Total estimated diamond weight: 0.70 ct Finger size : 53.5 Gross weight : 15.1 g
Result €900Estimate €900 - €1,200 -
132 - Ring in 750 thousandths yellow and white gold, presenting a square cabochon-cut tanzanite weighing approx. 4.50 ct (natural surface flaws, minor bumps), set off by two old-cut brilliant-cut diamonds. Modern work. Size of tanzanite: 10.1 x 9.6 x 5.2 mm Total estimated diamond weight: 0.30 ct Finger size : 51 Gross weight : 5.7 g
Estimate €800 - €1,200 -
133 - Negligee necklace in 750 thousandths yellow gold, featuring two drop-cut tanzanites (natural inclusions and faults) as pendants, the forçat link chain linked by an opal bead, spring clasp. French work from the 2000's. M. O. (partial) : M. M. R. Tanzanite size: 16.7 x 11 and 16 x 10 mm Tassel height: 10.5 cm Length: 32.6 cm Gross weight: 12.7 g
Estimate €800 - €1,200 -
134 - Yellow gold ring 750 thousandths, set with an oval-cut sapphire approx. 1.70 ct (treated, small chips), highlighted with four calibrated diamonds. Late 20th century. Sapphire size: 7.6 x 6.2 x 4.9 mm Total estimated diamond weight: 0.40 ct Finger size : 50.5 Gross weight : 5,9 g
Result €650Estimate €500 - €800 -
135 - Ring in white gold 750 thousandths, presenting an emerald-cut tanzanite approx. 3.30 ct, the openwork setting (two diamonds missing). M. O.: B. Sté. Ideogram. E. Tanzanite size: 11.6 x 7.4 x 4.5 mm Finger size : 53 Gross weight : 6 g
Result €1,300Estimate €800 - €1,200 -
136 - Ring in 750 thousandths pink gold, set with a pear-cut cordierite weighing approximately 8 ct, highlighted with six trapeze-cut diamonds. French work from the late 20th century. Cordierite size: 13.1 x 12.9 x 8.9 mm Total estimated diamond weight: 0.60 ct Finger size : 51 Gross weight : 13,9 g
Result €900Estimate €800 - €1,200 -
137 - Bracelet in 750 thousandths white gold, designed with square links set with twenty-seven modern brilliant-cut diamonds, secure clip clasp. Italian work. Total estimated diamond weight: 0.50 ct Wrist circumference: approx. 16.5 cm Gross weight: 17.7 g
Result €1,700Estimate €1,200 - €1,500 -
138 - Necklace in 750 thousandths white gold, presenting a pendant set with a large triangular cabochon-cut tanzanite (inclusions), the setting set with a line of twenty-two princess-cut diamonds, held by a forçat link chain, lobster clasp. Tanzanite size: approx. 20.8 x 16.9 x 8.5 mm. Total estimated diamond weight: 0.40 ct Pendant size: 3.7 x 1.9 cm Chain length: 40.2 cm Gross weight: 11.7 g
Result €1,100Estimate €1,000 - €1,500 -
139 - Band ring in 750 thousandths white gold, set with seventeen modern brilliant-cut diamonds in a square setting, presented in a staggered pattern. French work from the late 20th century. M. O. (partial) : Sté. I. Total estimated diamond weight: 0.25 ct Width : 0.7 cm Finger size : 53 Gross weight : 5,9 g
Result €450Estimate €400 - €600 -
140 - BOUCHERON (frame). Ring in platinum 850 thousandths, set with a cushion-cut pink sapphire approx. 2.50 ct (probably heated), set with four baguette-cut diamonds. Signed BOUCHERON mount. Sapphire size: 8.1 x 6.6 x 5.5 mm Estimated total diamond weight: 0.20 ct Finger size: 49.5 - Gross weight: 5.4 g
Result €1,900Estimate €800 - €1,200 -
141 - Ring in 750 thousandths white gold, presenting a round cabochon-cut tanzanite approx. 8 ct (natural inclusions and faults), shouldered by four modern brilliant-cut and trapeze-cut diamonds. French work from the 2000's. Tanzanite size: 11.8 - 11.7 x 7.3 mm Total estimated diamond weight: 0.65 ct Finger size : 51 Gross weight : 9,7 g
Result €1,200Estimate €1,200 - €1,500 -
142 - CHAUMET. Ring in platinum 900 thousandths, presenting an oval-cut pyrope-almandin garnet, approx. 6 ct (slight damage to the roundel), set with four baguette-cut diamonds (set to size). M. O.: Moon. JC. Star. Garnet size: 11.7 x 9.6 x 7.3 mm Total estimated diamond weight: 0.25 ct Finger size : 51 Gross weight : 5,7 g Accompanied by a Maison case.
Result €2,600Estimate €2,000 - €3,000 -
143 - Pair of ear clips in 750 thousandths yellow gold, each featuring two four-leaf clovers entirely set with thirty-seven modern brilliant-cut diamonds (one moving diamond), toggle systems. Late 20th century. Total estimated diamond weight: 0.90 ct Height : 2 cm - Width : 1.6 cm Gross weight: 7.6 g
Result €1,400Estimate €500 - €800 -
144 - Set consisting of a ring and pendant, in 750 thousandths yellow gold, set with twenty baguette-cut diamonds, the largest approx. 0.60 ct and 0.40 ct, in a royal blue enamel surround. Total estimated diamond weight: 1.50 ct Pendant size: 1.7 x 1.2 cm Ring size: 2.4 x 1.5 cm Finger size: 52 Total gross weight: 10.5 g
Result €850Estimate €700 - €900 -
145 - HERMÈS. Band ring in yellow gold 750 thousandths, set with a modern brilliant-cut diamond approx. 0.30 ct in a closed setting, shouldered by two lines set with eight modern brilliant-cut diamonds each, the body of the ring openworked (ring weakened). Signed and numbered 70203 50. Sale model. Estimated total diamond weight: 0.50 ct Finger size : 51.5 (reduced ring) Gross weight : 9.2 g
Result €2,000Estimate €1,000 - €1,500 -
146 - Ring in yellow gold 750 thousandths, the rectangular bezel presenting an oval-cut sapphire approx. 0.40 ct, set with eight modern brilliant-cut diamonds. French work from the late 20th century. M. O. (partial) : M. Sapphire size: 5.4 x 3.6 x 2.8 mm Total estimated diamond weight: 0.20 ct Height 1.6 cm - Width : 1 cm Finger size : 54 Gross weight : 7,8 g
Result €550Estimate €500 - €700 -
147 - Band ring in 750 thousandths yellow gold, set with a cabochon-cut opal, approx. 0.30 ct, in a setting of twenty-four modern brilliant-cut diamonds (some with tiny chips). French work from the 1980s. Opal size: 6.9 x 5.1 x 1.8 mm Total estimated diamond weight: 0.20 ct Finger size : 47.5 Gross weight : 5.1 g
Result €550Estimate €350 - €500 -
148 - Pair of earrings in 750 thousandths yellow gold, with Paisley motif, each centered on a flower adorned with six pear-cut sapphires around a modern brilliant-cut diamond weighing approx. 0.16 ct, all in a surround of sixty-five white and yellow diamonds, pierced ear systems. French work of the late 20th century. Estimated total weight of diamonds/sapphires: 4.70/3.50 ct Height 2.8 cm - Width: 2 cm Gross weight: 23.3 g
Result €3,200Estimate €1,200 - €1,600 -
149 - In the CARTIER taste. Bracelet in yellow gold 750 thousandths, presenting nine rows of cultured pearls alternating with gold pearls, the clasp designed with a hook entirely set with one hundred and four modern brilliant-cut diamonds (one missing), secure clip clasp. Work of the 1980s. Total estimated diamond weight: 0.90 ct Length : 18.5 - Width : 2 cm approx. Gross weight : 34 g
Result €900Estimate €400 - €800 -
150 - M. GERARD. Dome ring in yellow gold 750 thousandths, set with an oval-cut sapphire approx. 1.40 ct (heated), shouldered by a line of eight baguette-cut diamonds (small chips to some) in a surround of seventy-four modern and 8/8 brilliant-cut diamonds. French work, 1980s. Signed. Sapphire size: 8.8 x 7 x 3.2 mm Total estimated diamond weight: 2 ct Finger size : 52 Gross weight : 11,5 g
Result €3,600Estimate €700 - €1,000
About the sale
SALE Collection of Monsieur G : 1970 - 1990
SUNDAY, NOVEMBER 9, 2025 AT 2PM IN SAINT CLOUD
Public exhibitions :
FRIDAY NOVEMBER 7 AND SATURDAY NOVEMBER 8 from 11am to 6pm (continuous).
CREDIT CARD AUTHORIZATIONS
Credit card debit authorizations given prior to the sale or to online auction platforms will be debited for the winning bidders.
Credit card debit authorizations given by persons who have not won lots may appear as debits on certain online banking applications until the end of the guarantee period, which is a minimum of 7 days and varies from one bank to another. On "final" monthly bank statements, the deposit will no longer appear if it has not been used.
Bid online on Drouot Digital, by telephone or by purchase order.
Deadline for submitting purchase orders and telephone line requests: BEFORE 4 p.m. SATURDAY, November 8, 2025..
S.V.V. Guillaume Le Floc'h does not guarantee to accept requests received after this deadline.
Purchase orders below the low estimate will not be accepted.
FOR NEW CUSTOMERS :
- VALID IDENTITY DOCUMENT
- DEPOSIT REQUIRED.
Information: contact@lefloch-drouot.fr // 01 46 02 20 15
Storage is free for the first 14 calendar days after the sale date. After this period, storage charges will be applied at the following rates:
- 1€ / 5€ / 10€ / 20€ per day, from the 15th calendar day, depending on the nature of the lot*.
*Very small: jewelry, books, unframed works on paper measuring less than A4
Small: paintings measuring less than 1.5 x 1.5 m, light and small-sized lots.
Medium: paintings measuring over 1.5 m, small and heavy lots
Large: large and heavy lots, and large or multi-lot lots
All purchases (even if paid for) not collected within one year of the sale will be considered abandoned.
*Gemstones and pearls may have undergone embellishment practices (oiling for emeralds, heat treatment for sapphires or rubies, bleaching for pearls). These enhancements are considered traditional and are accepted by the international gemstone and pearl trade. Consequently, these treatments are not mentioned in the catalog.
*All watches have been tested at the time of writing. Except for the mention of a mechanism "to be overhauled", the watches were functional. However, the accuracy of the movements is not guaranteed, nor is the operation of the watches beyond the date of sale.
Terms of sale
Show the terms of sale