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At Royal Coster Diamonds, we have the most prestigious watch brands. Discover a world of Haute Horlogerie.
Looking for advice when buying a piece of diamond jewelry? Our experienced diamond consultants are standing by. Contact us now or schedule an appointment.
Are you planning to ask the love of your life to marry you? Congratulations! In this section you find diamond engagement rings with discounts up to 50%. You can find regular “Last Chance” diamond rings here.
Diamond Rings
#1241407
€6680
€8350
-20%Diamond Rings
#1221121
€6700
€13400
-50%Diamond Rings
#1240891
€3400
€4250
-20%Diamond Rings
This diamond bridal set couples a brilliant cut engagement ring with a matching twisted alliance. The main stone, a brilliant cut diamond of 0.52 carat, sparkles in a compass setting that aligns the prongs to the four cardinal points. The ring has a split shank and is adorned with 34 brilliant cut diamonds. The twisted alliance band features 20 brilliant cut diamonds. This 18K white gold set has 20 % discount. Original price € 8350; Discount price € 6680
€6680
€8350
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
These two rings are perfectly paired and complement one another, sharing the same polished finish and type of diamond cut. The engagement ring and wedding band present three lines of pave brilliant cut diamonds. The center stone of this sparkling ensemble is a brilliant cut diamond of 0,86 carat, with River color. This 18K white gold bridal set has 50% discount and it will not get back in stock. Original price € 13400; Discount price € 6700
€6700
€13400
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
The design of this engagement ring evokes two life paths that meet to share a unique love. The diamond-adorned ring band creates an elegant twist around the central stone, a brilliant cut diamond of 0.48 carat. This 18K white gold ring has 20% discount and it will not get back in stock.
€3400
€4250
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
#1231518
€10350
€20700
-50%Diamond Rings
#1020933
€2000
€4000
-50%Diamond Rings
#1220828
€3600
€7200
-50%Diamond Rings
The Sparkling princess is a beautiful 18 karat white gold ring that contains more than 60 diamonds. The diamonds make this ring a real eye-catcher. This ring is a “last chance” product which means this product will not come back in stock anymore. Original price: €20700. Discount price: €10350. It has 50% discount.
€10350
€20700
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This statement ring contains a lot of diamonds. It has one princess cut diamond in the middle and there are 133 other diamonds. This is a last chance product which means that we will not restock this anymore.
€2000
€4000
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This ring has a pear cut diamond and 42 diamonds on the setting. It is definitely a statement piece and brings a lot of shine due to the huge amount of diamonds. This is a last chance product which means that we will not restock it.
€3600
€7200
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
#1231083
€10100
€20200
-50%Diamond Rings
#1231349
€2725
€5450
-50%Diamond Rings
#1241002
€3120
€3900
-20%Diamond Rings
This 18K white gold ring showcases a 1 carat brilliant cut diamond in half open bezel setting. The stone has River (D) color, the highest for white diamonds, and VS 2 clarity. This ring has 50% discount and it will not come back in stock.
€10100
€20200
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This diamond ring has a special and sophisticated twist. It contains 9 diamonds in total. You definitely make a statement with this ring. This is a last chance product which means we will not restock it.
€2725
€5450
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
Boasting two pear-cut diamonds set in 18K white gold, this “You & Me” ring evokes the soulmate love that surmounts all obstacles. This ring has 20% discount and it will not get back in stock.
€3120
€3900
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
#1241365
€4080
€5100
-20%Diamond Rings
#1231186
€11150
€22300
-50%Diamond Rings
#1231187
€11450
€22900
-50%Diamond Rings
The beauty of the Criss-cut diamond lies in the various step-like facets that cross each other. This ring features as central focal point a 0.61 carat Criss-cut diamond prong-set. Another 10 accent brilliant cut diamonds, totaling 0.16 carat, glisten along the 18 K white gold band. This is a last chance product which means it will not get back in stock.
€4080
€5100
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This diamond ring is very special. It contains 19 diamonds in total. One diamond at the top and eighteen on the side. This 18 karat diamond pave is every woman’s dream. This is a last chance product which means this product will not come back in stock anymore. it has 50% discount.
€11150
€22300
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
Designed in the spirit of romance, this 18K white gold ring combines the two most sought after diamond cuts, in a display of brilliance and elegance. The center set princess cut diamond of 1.02 carat is sure to steal the show, with its River color and VVS clarity. The ring band is adorned with multiple lines of brilliant cut diamonds and it flares with a delicate split as it approaches the main stone. This is a last chance product which means it will not get back in stock.
€11450
€22900
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
#1031050
€2150
€4300
-50%Diamond Rings
#1031047
€5150
€10300
-50%Diamond Rings
#1031049
€2250
€4500
-50%Diamond Rings
The winner takes it all. This 18K white gold ring showcases a bezel set brilliant cut diamond, surrounded by a halo of glistening accent stones. The shank adorned with diamonds and milgrain details is styled as arches that hold the trophy. This is a last chance product which means it will not get back in stock. Original price € 4300; Discount price € 2150
€2150
€4300
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This diamond tension ring with pave contains 73 diamonds in total. The middle diamond is of very good quality. It is a very valuable masterpiece. This is a last chance product which means that we will not restock it anymore. Original Price € 10.300; Discount Price € 5150. It is a 18 karat white gold ring.
€5150
€10300
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
The diamond halo encompassing a central brilliant stone of 0.38 carat rests upon the ornate shoulders of the ring styled to resemble the paisley motif. This is a last chance product which means it will not get back in stock.
€2250
€4500
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
#1041656
€3960
€4950
-20%Diamond Rings
#1240882
€1360
€1700
-20%Diamond Rings
#1021053
€2125
€4250
-50%Diamond Rings
This 18 karat rose gold ring contains two pear cut diamonds and 16 diamonds on the setting. It looks like a twist. This is a last chance product which means we will not restock it anymore.
€3960
€4950
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
A celebration of feminity, this 18K white gold ring features 3 marquise cut diamonds set in chevron prong mounting. The bypass design confers the trilogy a note of playfulness. This is a last chance product which means it will not get back in stock.
€1360
€1700
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
Designed as a half sphere, this 18K rose gold ring sparkles with 72 brilliant cut diamonds, totaling 1.04 carat. This ring has 50% discount and it will not get back in stock.
€2125
€4250
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
#1241383
€2160
€2700
-20%Diamond Rings
#1231358
€3275
€6550
-50%Diamond Rings
#1221141
€2100
€4200
-50%Diamond Rings
A toast to beauty! This 18K white gold trilogy ring boasts in its center a brown brilliant cut diamond of 0.56 carat. The accompanying two white diamonds, totaling 0.09 carat, make sure the dazzling effect is achieved. This is a last chance product which means it will not get back in stock.
€2160
€2700
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
Six baguette-cut diamonds, totaling 0.80 carat, recreate a set of steps leading up to the center brown brilliant cut diamond of 0.70 carat. This 18K white gold ring is a last chance product which means it will not get back in stock.
€3275
€6550
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This duo-tone gold ring is as dainty as it sounds – it features a center brilliant cut diamond of 0.61 carat, with a chocolate brown color, in a bezel setting. The ring band displays 18 brilliant cut diamonds, totaling 0.18 carat. This product has 50% discount and it does not get back in stock.
€2100
€4200
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
#1041306
€3840
€4800
-20%Diamond Rings
#1031232
€6700
€13400
-50%Diamond Rings
#1041549
€4240
€5300
-20%Diamond Rings
This valuable statement ring contains ruby and diamonds in different cuts. The diamonds come in brilliant, emerald, and tape cut. This is a Last Chance product which means that we will not order it. Original price € 4800; Discount price € 3840. The ring is 18 karat white gold.
€3840
€4800
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This platinum Art Deco inspired ring parades an oval-shaped ruby weighing 1.66 carat with an entourage of 30 brilliant cut diamonds. The milgrain accents and the setting style are consistent with the Art Deco fashion. This is a last chance product which means it will not get back in stock.
€6700
€13400
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This heart shaped ruby ring looks very romantic. Furthermore, it consists of 28 diamonds around the ruby and the setting. This is a last chance product which means that we will not restock it anymore.
€4240
€5300
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
#1031171
€1350
€2700
-50%Diamond Rings
#1241370
€920
€1150
-20%Diamond Rings
#1041605
€1200
€1500
-20%Diamond Rings
The Ruby Pear is a special ring. The halo pave ring contains a rare pear cut ruby as center stone which makes it a unique piece. This is a “last chance” product which means that this product will not come back in stock anymore. It has 50% discount.
€1350
€2700
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This 18K white gold ring boasts a lush ruby surrounded by 13 brilliant cut diamonds. The fiery stone evokes passion, love and zest for life and it is the birthstone for the month of July. The ring has 20% discount and it will not get back in stock.
€920
€1150
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This is an 18 karat white gold ring. The round cut ruby is surrounded by 14 diamonds. Looks very cute, yet subtle. This is a last chance product which means we will not restock it.
€1200
€1500
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
#1030682
€525
€1050
-50%Diamond Rings
#1241363
€1240
€1550
-20%Diamond Rings
#1031208
€1500
€3000
-50%Diamond Rings
This ring displays a delightful contrast between a cherry-red ruby and brilliant-cut diamonds. Sure to seduce, the ruby is mounted on a high setting made of 18 Karat white gold. This is a last chance product which means it will not get back in stock. This ring has a matching necklace.
€525
€1050
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This Oval Sapphire ring is very special. It contains diamonds besides the oval cut sapphire. This product is a last chance product which means this product will not come back in stock anymore. It has 20% discount.
€1240
€1550
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This trilogy ring contains 2 pear cut diamonds and 1 sapphire. The ring is made of 18 karat rosegold and makes a statement. This is a last chance product which means we will not reorder it.
€1500
€3000
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
#1031195
€1800
€3600
-50%Diamond Rings
#1041654
€2640
€3300
-20%Diamond Rings
#1031035
€2500
€5000
-50%Diamond Rings
The Ring of Heaven owes its name to the beautiful sapphire stone. Besides the sapphire, thins rings contains 38 brilliant cut diamonds. This product is a “last chance” product which means this product will not come back in stock anymore. It has 50% discount.
€1800
€3600
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This “You & Me” style ring imagines the two lovers, as symbolized by a pair of pear-cut sapphires with character identifying colors -pink (Juliet) and blue (Romeo). The ring band is adorned with 16 brilliant cut diamonds. This ring has 20% discount and it will not get back in stock. Original price € 3300; Discount price € 2640
€2640
€3300
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
This diamond ring with iolite looks like a flower. It contains 67 diamonds in total and 4 iolites. This is a last chance product which means we will not get it in stock anymore. Original price € 5000; Discount price € 2500. It is an 18 karat white gold ring.
€2500
€5000
-50%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
#1041653
€3960
€4950
-20%Diamond Rings
#1041657
€5960
€7450
-20%Diamond Rings
An eye catcher, this 18K white gold ring boasts an oval-shaped blue sapphire, drooping from a stem connected to the diamond-adorned ring band. Recalling a blue iris, the sapphire with a weigh of 0.79 carat is surrounded by a halo of diamonds. This ring has 20 % discount and it will not come back in stock.
€3960
€4950
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Diamond Rings
The image of a hooded cobra with its neck flared is one of the most iconic from the animal world. This fancy ring artfully captures the moment. The hood is an opulent pear-shaped sapphire and the 44 diamonds along the band define the snake’s body and tail. This is a last chance product which means it will not get back in stock.
€5960
€7450
-20%VAT incl.
With 20.000 products in stock, we can help you to find the perfect piece. Please tell us your wishes as detailed as possible and a diamond consultant will get in touch with you shortly.
Are you planning to ask the love of your life to marry you? Congratulations! In this section you find diamond engagement rings with discounts up to 50%. You can find regular “Last Chance” diamond rings here.
