Top Service Rating - 5 Stars - Certified Merchant

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Explore the Difference

Unlike most Internet jewelers, at Diamond Design Co. each piece of jewelry is carefully designed and crafted by our in-house jewelers.

Need it wider, smaller, more stones, less stones, a different metal or precious stone, NOT A PROBLEM. Our jewelry is made-to-order-, "made by us for you".

Fine quality jewelry should come with fine quality service

Diamond Solitaires


Classic and Elegant - The Solitaire Diamond

Each of our solitaire diamonds has been individually selected for it’s fine quality and excellent balance of value, quality and size. We offer these excellent diamonds in an array of the most popular solitaire settings. The solitaire provides the flexibility to “surprise” her when you propose, and later together you can build her dream ring around the quality center stone you have chosen for her.



Diamond Solitaires.75ct Platinum Tiffany Solitaire Engagement Ring
Diamond Size .75ct
Diamond Quality G, VS2
Diamond Shape Round Brilliant
Certificate DGR
Price: $4,125.00

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.75ct Platinum Tiffany Solitaire Engagement Ring
Diamond Size .75ct
Diamond Quality E, VS2
Diamond Shape Round Brilliant
Certificate GIA
Price: $4,758.00

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Diamond Solitaires.70tcw. Platinum Designer Engagement Ring
Diamond Size .70tcw
Diamond Quality E, VVS2
Diamond Shape Round Brilliant
Certificate AGS
Price: $5,115.00

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.78tcw Platinum Designer Engagement Ring
Diamond Size .78tcw
Diamond Quality I, VS1
Diamond Shape Round Brilliant
Certificate GIA
Price: $3,740.00

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Diamond Solitaires.72ct Platinum Solstice Solitaire Diamond Engagement Ring
Diamond Size .72ct
Diamond Quality E, VS2
Diamond Shape Round Brilliant
Certificate GIA
Price: $4,593.00

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1.01ct Platinum Solstice Solitaire Engagement Ring
Diamond Size 1.0ct
Diamond Quality E, VS1
Diamond Shape Round Brilliant
Certificate GIA
Price: $9,847.00

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Diamond Solitaires.80ct Platinum Diamond Tiffany Engagement Ring
Diamond Size .80ct
Diamond Quality G, VS1
Diamond Shape Round Brilliant
Certificate GIA
Price: $4,565.00

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.90ct Platinum Diamond Tiffany Engagement Ring
Diamond Size .90ct
Diamond Quality G, VS2
Diamond Shape Round Brilliant
Certificate GIA
Price: $5,115.00

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Diamond Solitaires1.04ct Platinum Ideal Cut Diamond Engagement Ring
Diamond Size 1.04ct
Diamond Quality H, VS2
Diamond Shape Round Brilliant
Certificate GIA
Price: $6,269.00

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1.16ct Platinum Ideal Cut Diamond Engagement Ring
Diamond Size 1.16ct
Diamond Quality G, SI1
Diamond Shape Round Brilliant
Certificate GIA
Price: $8,960.00

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Diamond Solitaires1.34ct Platinum Ideal Cut Diamond Tulip Set Solitaire
Diamond Size 1.34ct
Diamond Quality G, IF
Diamond Shape Round Brilliant
Certificate GIA
Price: $13,530.00

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1.51ct Platinum Excellent Cut Diamond Tulip Set Solitaire
Diamond Size 1.51ct
Diamond Quality G, SI1
Diamond Shape Round Brilliant
Certificate GIA
Price: $9,845.00

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Diamond Solitaires.82ct Platinum Princess Cut Diamond Solitaire
Diamond Size .82ct
Diamond Quality F, VS1
Diamond Shape Princess Cut
Certificate GIA
Price: $4,810.00

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1.50ct Platinum Princess Cut Diamond Solitaire
Diamond Size 1.50ct
Diamond Quality H, VS1
Diamond Shape Princess Cut
Certificate GIA
Price: $12,348.00

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Diamond Solitaires1.40tcw Platinum Channel Set Side Diamond Engagement Ring
Diamond Size 1.40tcw
Diamond Quality D, VS2
Diamond Shape Round Brilliant
Certificate GIA
Price: $6,270.00

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1.72tcw Platinum Channel Set Side Diamond Engagement Ring
Diamond Size 1.72tcw
Diamond Quality E, SI1
Diamond Shape Round Brilliant
Certificate GIA
Price: $9,609.00

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Anniversary Rings

Perfect Anniversary Ring

Your anniversary ring should be unique and special. Work with us to customize your ring and make it your own. Learn More

Exceptional Savings Jewelry

Exceptional Savings!!

Visit our exceptional savings center featuring some of our most popular, high quality pieces. Ready-to-ship! Shop Now