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*14k Color Couture Collection created 6.5mm round blue sapphire cathedral style engagement ring, ring size 6


This eye-catching 6.5mm round Chatham lab grown gem quality blue sapphire cathedral engagement ring has classic style and beauty., ring size 6*


This eye-catching 6.5mm round Chatham lab grown gem quality blue sapphire cathedral engagement ring has classic style and beauty. This lovely 14k white gold blue sapphire engagement ring features 10 head-turning H-I color SI2 clarity natural diamond accents weighing 0.62 cttw. The diamonds are channel set in the top of a 4mm wide shank that tapers to 3mm at the bottom. The cathedral is 4mm high. This classy diamond accented cathedral engagement ring matches diamond wedding band 47-18K282-KW, sold separately.

Our eco-friendly flux-grown Chatham-created blue sapphires are real sapphires with the same chemical, physical and optical properties as natural counterparts. Gem quality means there are no inclusions visible to the naked eye. We offer our blue sapphires in light, medium and dark hues. Please select your desired hue. The image provided is a general representation of the color range of the stone in your ring. Your blue sapphire comes with a genuine Chatham warranty card, which also certifies the authenticity of your stone.

Additional information

Bright White Alloy

Our innovative Bright White Gold ensures your ring will remain bright white for years to come. Bright White Gold is a patented gold that doesn't need rhodium plating yet it retains its pristine whiteness without the high cost of platinum. This engagement ring can also be custom set with a stone of your choice in white gold, rose gold, yellow gold or two-tone gold. You'll get an exceptionally beautiful premium quality engagement ring at a fabulous price.


Our Color Couture Collection features fabulous ring designs with lots HI SI2 diamonds for maximum sparkle. Our precise white gold ensures your ring will be white for years to come…no rhodium needed. Any of our rings can be custom made in platinum, white, yellow or rose gold featuring your favorite center stone. Call us today for customizations 970-535-4139.

Chatham Warranty

Your Chatham-brand center stone comes with a small 4-color limited lifetime warranty card, which also certifies Chatham-brand authenticity. Visit our Chatham Warranty Page for more details.


Chatham blue sapphires are generally available in a Medium tone, which is considered top color: nice medium blue with slight violetish undertones and good light return. However, there are some limited quantities of Light and Dark hues as well. Please call us at 970-535-4139 to check availability if you prefer a Light or Dark hue. Light has more violet, is similar to a periwinkle color and has more light return. Dark is a deep blue with little violet and little if any light return.

Ring Size

All of our Color Couture Collection rings come in a ring size 6. We can custom size a ring about 1/2 size either way. Anything larger or smaller would need to be made to the size you need to maintain the integrity of the piece. Please call us to discuss whether or not this ring can be sized to the size you need, 303-931-3141.

Matching Rings Or Bands

Matching Wedding Band Or Engagement Ring

Ring Warranty

visit for details about the warranty on your Color Couture ring.