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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51 - Ring in 750 thousandths yellow gold, the bezel in the shape of a flower with a heart set with an oval-cut ruby weighing approx. 1.30 ct (probable treatment), the petals also set with semi-circular rubies and eighty-two modern brilliant-cut diamonds. Late 20th century work. Main ruby size: 9.1 x 7.2 x 12.8 mm Total estimated diamond weight: 0.80 ct Finger size : 50.5 Gross weight : 12 g
Result €1,500Estimate €800 - €1,200 -
52 - FRED. Wedding band bracelet in yellow and white gold 750 thousandths, the body gadrooned, its two ends set with fourteen modern brilliant-cut diamonds and two pear-shaped cabochon-cut almandine garnets. Work of the 1980s. Signed. Estimated total diamond weight: 0.80 ct Wrist size : 17 cm - Width : 1.2 cm Gross weight : 22,3 g
Result €3,200Estimate €1,500 - €1,800 -
53 - River necklace in yellow gold 750 thousandths, the twisted link alternating oval links set with twenty-seven cabochon-cut rubies (glass-field, minor chips and bumps) and circular links set with twenty-seven modern brilliant-cut diamonds, secure ratchet clasp. M. O.: Sté. J. Sté trèfles J. C. Total estimated ruby/diamond weight: 10/0.50 ct Length: 43.5 cm Gross weight : 51,5 g
Result €6,000Estimate €3,200 - €3,500 -
54 - Band ring in yellow gold 750 thousandths, set with an oval-cut almandine garnet approx. 1.20 ct, flanked by two pear-shaped cabochon-cut opals, the setting textured and openwork. Modern French work. Garnet size: 7.5 x 5.7 x 3.7 mm Finger size: 52 Gross weight: 5.5 g
Result €400Estimate €350 - €450 -
55 - Pair of 750 thousandths yellow gold ear clips, each set with two moonstones and two cabochon-cut almandine garnets, toggle clasps. Work of the late 20th century. Estimated total weight of moonstones/garnets: 14.80/8 ct Height 2.2 cm - Width: 2.4 cm Gross weight: 13.3 g
Result €900Estimate €300 - €500 -
56 - Toi et Moi ring in 750 thousandths yellow and white gold, presenting a ruby and a pear-cut diamond, both set with modern brilliant-cut diamonds. Late 20th century. Total estimated weight of rubies/diamonds: 0.45/0.90 ct Finger size : 53 Gross weight: 5.5 g
Result €1,350Estimate €800 - €1,200 -
57 - Necklace in yellow gold 750 thousandths, the oval wave-shaped links alternating with eighteen modern brilliant-cut diamonds and five cabochon-cut glass-field rubies, the whole holding three glass-field rubies in tassels (chips), the secure ratchet clasp. French work from the 1990s. Signed MF. Total estimated diamond weight: 1 ct Length : 37 cm Gross weight : 36,7 g
Result €3,600Estimate €2,000 - €2,500 -
58 - Band ring in 750 thousandths yellow gold, with rectangular decoration alternating sixteen modern brilliant-cut diamonds (one claw missing) and fourteen square-cut synthetic rubies. Work of the 1990s. Estimated total weight of diamonds/garnets: 0.30/0.40 ct Finger size : 57 Gross weight: 7.5 g
Result €700Estimate €500 - €700 -
59 - Ring in yellow gold 750 thousandths, set with an oval-cut ruby approx. 1.90 ct (glass-field), shouldered by six baguette-cut diamonds. M. O. (partial) : F. Map of France. Ruby size: 9.7 x 7.1 x 3.3 mm Total estimated diamond weight: 0.60 ct Finger size : 49 Gross weight : 9,2 g
Result €1,100Estimate €600 - €800 -
60 - Band ring in 750-thousandths yellow gold, the bezel decorated with twenty-six calibrated diamonds and six triangular-cut pink sapphires. Work of the late 20th century. Estimated total weight of diamonds/sapphires: 1.30/0.60 ct Finger size : 51.5 Gross weight: 9.3 g
Result €1,700Estimate €600 - €800 -
61 - Toi et Moi ring in yellow and white gold 750 thousandths, set on one side with an oval-cut ruby approx. 0.70 ct (chips) and on the other with three modern brilliant-cut diamonds, the largest old-cut oval (chip to one). Work from the 1980s. Ruby size: 5.5 x 4.2 x 3.3 mm Total estimated diamond weight: 0.30 ct Finger size : 48 Gross weight : 10,1 g
Result €650Estimate €650 - €850 -
62 - Band ring in yellow gold 750 thousandths, set with a modern brilliant-cut diamond approx. 0.35 ct in closed setting, flanked by eight round-cut almandine garnets and four modern brilliant-cut diamonds. Work of the late 20th century. Total estimated garnet/diamond weight: 0.20/0.55 ct Finger size : 52 Gross weight: 9.1 g
Result €800Estimate €600 - €800 -
63 - BULGARI. Band ring in yellow gold 750 thousandths, set with seven diamonds and seven square-cut and oval-cut rubies (some glass field rubies, minor chips and small shocks), the body of the ring square. Late 20th century. Signed. M. O.: Sté. Three points and a triangle. P. Estimated total weight of diamonds/rubies: 0.70/0.85 ct Finger size : 50 Gross weight : 5,8 g Accompanied by a box from the Maison.
Result €4,000Estimate €600 - €800 -
64 - Bracelet in yellow gold 750 thousandths, presenting three geometric main links adorned with cabochon-cut rubies (chips), alternated with two small rose-cut diamonds, ratchet clasp and safety chain. Late 20th century. Total estimated ruby weight: 1 ct Wrist circumference: 17.5 cm - Width: 0.9 cm Gross weight: 11.5 g
Result €950Estimate €700 - €900 -
65 - Set of two American wedding bands in 750 thousandths yellow gold, each alternating ten round-cut sapphires and ten round-cut rubies. Work of the late 20th century. Total estimated weight of sapphires/rubies: 0.40/0.40 ct Finger size: 49.5 Total gross weight: 15 g
Result €1,000Estimate €900 - €1,200 -
66 - Ring in yellow gold 750 thousandths, presenting an oval-cut emerald approx. 0.90 ct (minor chips, inclusions), set with ten baguette-cut and modern brilliant-cut diamonds. French work, 1980's. M. O. (partial): Sté. I in a circle. D. Emerald size: 7.1 x 5.9 x 4.2 mm Total estimated diamond weight: 0.25 ct Finger size : 48.5 Gross weight : 7,5 g
Result €550Estimate €500 - €800 -
67 - Band ring in yellow gold 750 thousandths, openwork in the center and set with six modern brilliant-cut diamonds (small chip in one diamond). Modern work. Total estimated diamond weight: 0.35 ct Width : 0.8 cm - Finger size : 52 Gross weight : 12,2 g
Result €900Estimate €800 - €1,200 -
68 - Toi et Moi ring in 750 thousandths yellow gold, presenting two pear-cut emeralds, approx. 0.60 ct each (minor chips, inclusions), shouldered by ten baguette-cut diamonds. Late 20th century. M. O. French (partial): .A. Estimated total diamond weight: 0.60 ct Finger size : 50 Gross weight : 6 g
Result €1,000Estimate €1,000 - €1,500 -
69 - Ring in yellow gold 750 thousandths, the square bezel with squared decoration set with nine emerald-cut emeralds, the largest approx. 1 ct (small shock), alternated with forty-six princess-cut diamonds. Size of main emerald: 6.5 x 6.5 x 3.9 mm Total estimated diamond weight: 0.70 ct Height 1.9 cm - Width: 1.9 cm Finger size : 50.5 Gross weight : 12,3 g
Result €1,700Estimate €800 - €1,200 -
70 - Necklace in yellow gold 750 thousandths, the central motif set with two triangular cabochon-cut emeralds (inclusions and natural surface flaw) and four trapeze-cut diamonds, the chain with flattened gourmette link, secure ratchet clasp. Italian work from the 1980's. M. O. (partial) : S. Emerald size: 6.7 x 7.1 x 4.1 mm - 7.7 x 9.1 x 4.4 mm Total estimated diamond weight: 0.30 ct Length: 40.7 cm - Size of motif: 3.7 x 1 cm Gross weight: 47.9 g
Result €3,500Estimate €3,200 - €3,500 -
71 - Pompadour ring in yellow gold 750 thousandths, presenting a cushion-cut tsavorite garnet, approx. 1.60 ct, in a setting of six other round-cut tsavorite garnets alternating with ten baguette-cut and modern brilliant-cut diamonds. M. O. (partial): Basket of flowers. E. Garnet size: 8.6 x 7 x 4.1 mm Total estimated garnet/diamond weight: 2/0.35 ct Finger size: 51 Gross weight: 5.9 g
Result €1,050Estimate €300 - €500 -
72 - Ring in 750 thousandths yellow gold, featuring a central old brilliant-cut diamond weighing approx. 0.60 ct, flanked by four trapeze-cut diamonds. Main diamond size: 6 x 5.8 x 3.2 mm approx. Total estimated diamond weight: 1 ct Finger size : 50.5 Gross weight : 8.8 g
Result €1,100Estimate €700 - €900 -
73 - Yellow gold signet ring 750 thousandths, set with an oval-cut emerald approx. 1.70 ct (chips, treated), shouldered by six princess-cut diamonds (slight deformation to the ring, shrunken). Emerald size: 14.7 x 8.8 x 2.7 mm Total estimated diamond weight: 0.30 ct Finger size : 47 Gross weight: 13.6 g
Result €850Estimate €700 - €1,200 -
74 - Yellow and white gold ring 750 thousandths, set with an emerald-cut emerald approx. 0.20 ct (natural inclusions and faults), highlighted by a line of seven modern brilliant-cut diamonds. Late 20th century. Emerald size: 4.7 x 3.9 x 1.9 mm Total estimated diamond weight: 0.7 ct Finger size : 55.5 Gross weight : 5.9 g
Result €400Estimate €400 - €600 -
75 - Ring in yellow gold 750 thousandths, set with an emerald-cut emerald approx. 0.80 ct (natural inclusions and faults). Late 20th century. M. O. French: probably Jean-Claude DUHEM (inscription in the 1940s). Emerald diameter: 7.1 x 4.7 x 3.7 mm Finger size: 48.5 Gross weight: 6.7 g
Result €650Estimate €400 - €600 -
76 - Ring in yellow gold 750 thousandths, set with ten amethysts and ten round-cut almandine garnets. Late 20th century. M. O. French: HOURDEQUIN-GRINGOIRE (insculpation in 1965). Total estimated weight of amethysts/garnets: 0.40/ 0.60 ct Finger size: 52 Gross weight: 7.2 g
Result €600Estimate €450 - €650 -
77 - Ring in yellow gold 750 thousandths, set with a cabochon pink tourmaline approx. 4.80 ct (inclusions), in a surround of thirty-seven modern brilliant-cut diamonds. French work from the late 20th century. M. O.: L. Croix de Lorraine. D. Tourmaline size: 11 x 8.8 x 6.1 mm Estimated total diamond weight: 0.70 ct Finger size : 49 Gross weight : 9,1 g
Result €1,000Estimate €500 - €800 -
78 - Ring in 750 thousandths white gold, with futuristic decoration, presenting a half-sphere set with eighteen round-cut pink sapphires, in a surround of twenty baguette-cut diamonds. Estimated total weight of pink sapphires/diamonds: 0.90/1.50 ct Finger size : 50 Gross weight: 9.5 g
Result €900Estimate €600 - €800 -
79 - Drop-shaped pendant in yellow gold 750 thousandths, set with one hundred and ninety-eight round-cut amethysts alternating with gold pearls, surmounted by a sphere set with forty-two modern brilliant-cut diamonds. Work of the late 20th century. Total estimated diamond weight: 0.80 ct Height : 3.2 cm - Width : 1.9 cm Gross weight : 16 g
Result €850Estimate €500 - €800 -
80 - POIRAY. Ring in yellow gold 750 thousandths, the bezel set with a ball of nineteen round-cut pink sapphires (ring slightly weakened). Work of the 2000s. Signed and numbered 36748. Finger size: 49.5 Gross weight: 7.1 g
Result €650Estimate €450 - €650 -
81 - Asymmetrical domed ring in 750 thousandths yellow gold, the body of the ring set with seven round-cut rubies and a diamond tightened by a sphere set with thirteen modern brilliant-cut diamonds. French work of the late 20th century. Total estimated weight of rubies/diamonds: 0.55/0.45 ct Finger size : 50 Gross weight: 10.9 g
Result €900Estimate €650 - €850 -
82 - Pair of earrings in yellow gold 750 thousandths, each entirely set with one hundred and ten modern brilliant-cut diamonds, system for pierced ears. Work of the late 20th century. Estimated total weight of diamonds: 2.20 ct Height 2.7 cm - Width 0.7 cm Gross weight : 15 g
Result €1,600Estimate €1,000 - €1,200 -
83 - Yellow gold 750 thousandths ring, presenting two hollows set with twenty-six modern brilliant-cut diamonds, surmounted by a round-cut ruby approx. 0.30 ct (treated). French work from the 1990s. M. O. : V. Sté M point. B. Ruby size: 4.1 x 4.1 x 2.7 mm Total estimated diamond weight: 0.20 ct Finger size : 52.5 Gross weight : 8,8 g
Result €600Estimate €600 - €800 -
84 - Band ring in 750 thousandths yellow gold, set with eleven modern brilliant-cut diamonds. French work from the late 20th century. M. O. (partial) : E. O. Estimated total diamond weight: 1.30 ct Finger : 51 - Width : 1 cm Gross weight : 9,5 g
Result €1,300Estimate €600 - €800 -
85 - Necklace in yellow gold 750 thousandths, with geometrical links set with seventy-six modern brilliant-cut diamonds alternating with three larger oval-cut diamonds, each approx. 0.40 ct, the secure ratchet clasp. French work from the late 20th century. M. O.: Probably BOSMAN JULES (inscribed in 1958). Estimated total diamond weight: 2.60 ct Length : 40.5 cm Gross weight : 66.6 g
Result €4,800Estimate €4,200 - €5,000 -
86 - Bracelet in 750 thousandths yellow gold, the twisted body finished with two spheres each set with twenty-six round-cut almandine garnets. Italian work of the late 20th century. Wrist circumference: 16 cm Gross weight: 8.6 g
Result €1,100Estimate €550 - €800 -
87 - Rose gold bracelet 750 thousandths, composed of ten semi-circular links each punctuated with a rose quartz cabochon (shock to a stone under a claw), secure ratchet clasp. French work from the late 20th century. Estimated total weight of rose quartz: 55 ct Length: 18.5 cm - Width: 2 cm Gross weight: 56.1 g
Result €2,800Estimate €1,200 - €1,800 -
88 - Yellow gold pendant 750 thousandths, presenting a triangular cabochon prehnite, the setting set with eleven modern brilliant-cut diamonds. Chalcedony size: 19 x 17.5 x 10.1 mm approx. Total estimated diamond weight: 0.08 ct Height 3.1 cm - Width: 2 cm Gross weight : 7.7 g
Result €380Estimate €200 - €400 -
89 - Yellow gold ring 750 thousandths, presenting an oval-cut pale yellow sapphire approx. 2.30 ct, shouldered by six princess-cut diamonds. French work from the 1980s. M. O.: B. Sté. Idéogramme. E. Sapphire size: 9.3 x 7.1 x 4.7 mm Estimated total diamond weight: 1.20 ct Finger size : 51.5 Gross weight : 13,1 g
Result €1,100Estimate €800 - €1,200 -
90 - Pair of 750 thousandths yellow gold earrings, each holding a pear-shaped opaque cabochon-cut aquamarine, the flower-shaped button set with four round-cut sapphires, butterfly clasps. Late 20th century. M. O. Français : HOURDEQUIN-GRINGOIRE (insculpation in 1965). Size of aquamarines: 15 x 9.6 x 5.4 mm Total estimated weight of sapphires: 0.40 ct Height 2.9 cm - Width: 1 cm Gross weight: 7.4 g
Result €800Estimate €300 - €500 -
91 - Band ring in 750 thousandths yellow gold, set with six oval-cut diamonds alternating with six modern brilliant-cut diamonds. Total estimated diamond weight: 0.80 ct Width: 1.1 cm Finger size : 52.5 Gross weight : 9.6 g
Result €750Estimate €600 - €800 -
92 - CRISO. Pair of ear studs in yellow gold 750 thousandths, each presenting a cabochon-cut amethyst approx. 11 ct, system for pierced ears. Work of the 1980s. Estimated total weight of amethysts: 22 ct Diameter: 1.5 cm Gross weight: 11.8 g
Result €550Estimate €300 - €500 -
93 - CAMÉO PARIS. 750 thousandth white and yellow gold breastplate necklace, designed with gold threads alternating with cabochon-cut gems including five amethysts, four pink tourmalines (shock to one), twenty moonstones, two blue chalcedonies, one aquamarine and one rose quartz (inclusions), accidental clasp (tongue missing). Modern work. Signed. Neck size: approx. 37 cm - Width: 4.5 cm Gross weight: 120.5 g
Result €4,200Estimate €4,000 - €4,500 -
94 - ANTONINI. Ring in pink and white gold 750 thousandths, set with an oval-cut morganite approx. 3.70 ct, shouldered by four square-cut orange and pink sapphires. Work of the late 20th century. Signed. Size of morganite: 11.6 x 9.8 x 6.2 mm Total estimated weight of sapphires: 1.80 ct Finger size: 51.5 Gross weight: 11.4 g
Result €900Estimate €650 - €850 -
95 - CAMÉO PARIS. Large bracelet in yellow gold 750 thousandths, featuring ten articulated coral branches punctuated with twenty-five cabochon-cut amethysts (minor wear to the coral), alternated by gold links, ratchet clasp and safety chain. Modern French work. Length: 20 cm - Width: 4 cm Gross weight: 156.7 g
Result €1,400Estimate €1,200 - €1,500 -
96 - Ring in 750 thousandths white gold, featuring an emerald-cut diamond weighing approx. 2.02 ct (presented loose), shouldered by eight baguette-cut diamonds. Main diamond size: 9.24 x 6.09 x 3.85 mm Finger size: 50 Gross weight: 6.8 g Certified by the Laboratoire Français de Gemmologie as weighing 2.02 ct, J color, VS1 clarity, zero luminescence.
Result €4,200Estimate €3,500 - €4,500 -
97 - Solitaire ring in 750 thousandths white gold, presenting a navette-cut diamond weighing approx. 1.75 ct (diamond presented loose). Diamond size: 12.48 x 5.88 x 4.01 mm Finger size: 52 Gross weight: 8.9 g Certified by the Laboratoire Français de Gemmologie as weighing 1.75 ct, F color, VVS2 clarity, low luminescence.
Result €6,200Estimate €4,000 - €5,000 -
98 - BULGARI "Elysia". 750 thousand yellow gold bracelet with large oval links, set with twenty-four cabochon-cut and round-cut sapphires and colored sapphires (pink, violet, yellow, green and pink-orange), the largest weighing approximately 4 ct (natural inclusions, surface flaw and minor impact to some), set with four hundred and eighty-two modern brilliant-cut diamonds, secure ratchet clasp. Modern work. Signed. Estimated total diamond weight: 5.80 ct Length : 17 cm - Width : 3.6 cm Gross weight
Result €41,000Estimate €8,000 - €10,000 -
99 - Ring in 750 thousandths white gold and 900 thousandths platinum, centered on a large 5.15 ct pear-cut diamond (presented loose), shouldered by two trapeze-cut diamonds. Main diamond size: 15.07 x 9.75 x 5.87 mm Finger: 50 - Gross weight: 4.2 g Certified by the Laboratoire Français de Gemmologie as weighing 5.15 ct, K color, SI2 clarity, low luminescence.
Result €19,000Estimate €13,000 - €15,000 -
100 - Ring in yellow gold 750 thousandths, set with an emerald-cut emerald approx. 1 ct (inclusions), shouldered by eight baguette-cut diamonds (setting to be verified). Circa 1980. Emerald size: 6.3 x 6 x 4.2 mm Total estimated diamond weight: 0.40 ct Finger size : 54.5 Gross weight : 5.8 g
Result €900Estimate €500 - €800
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