This Silicon Valley-based fine jeweller, led by gemmologist and geologist Stephen Silver, has been widely renowned as one of the world's leading jewellery houses specialized in extremely rare and precious coloured gemstones, designing and producing some of the world's rarest and most precious fine jewellery creations since over 45 years. Whether a coloured gemstone design, diamond toi et moi bypass ring, or other custom creation, Stephen Silver is the go-to expert for the highest quality alternative and coloured gemstone  engagement ring styles. 

The above picture shows a Red Spinel and Diamond Ring. Historically, spinel has often been mistaken for ruby due to its rich, romantic red hue. Like ruby, spinel also ranks high on the Mohs scale, just below ruby with a hardness of eight. This means spinel is an ideal candidate, scratch-resistant alternative gemstone candidate for an engagement ring that will stand up to everyday wear. This one-of-a-kind ring from Stephen Silver features a deep red 2.85-carat oval cut unheated Mahenge spinel (GIA-certified), framed by 1.18 total carats of trillion cut diamonds (H-I color and SI1-SI2 clarity).The above picture shows a Radiant Cut Fancy Yellow Diamond Ring. The halo engagement ring makes a sunny statement with this original design from Stephen Silver. The ring leads with a stunning 5.33 carat radiant cut fancy yellow diamond (VS1 clarity), accented with 0.42 total carats of round brilliant cut diamonds with milgrain detailing.

Above: Pink Sapphire and Diamond Ring, Emerald-Cut Diamond Bypass Ring and Fancy Intense Yellow Marquise Diamond Ring. You could visit shsilver.com to know more.