Lab Grown Diamond Rings

Lab Grown Diamond Rings

Cassim & Co.'s lab-grown diamond rings offer engagement and eternity styles with full diamond certification — chemically identical to mined stones at a more accessible price. Our Mall of the South workshop in Johannesburg South provides custom manufacturing, resizing and engraving for South African couples.
61 products
Sale
Cassims&Co. 9ct white gold engagement ring featuring a 1.00ct oval lab grown diamond in a classic four-prong setting.
Cassims&Co. 9ct white gold engagement ring featuring a 1.00ct oval lab grown diamond in a four-prong solitaire setting.
9ct White Gold 1.00ct Oval Lab Grown Diamond Solitaire Engagement Ring (LR2)
R 13,000
R 30,999
Sale
9ct yellow gold solitaire engagement ring with 1.00ct oval lab grown diamond in four-prong setting
9ct Yellow Gold 1.00ct Oval Lab Grown Diamond Solitaire Engagement Ring (LR7) - Cassim & Co South Africa
1
9ct Yellow Gold 1.00ct Oval Lab Grown Diamond Solitaire Engagement Ring (LR7)
R 13,000
R 33,999
Sale
9ct Yellow Gold 1.00ct Pear Lab Grown Diamond Solitaire Engagement Ring (LR11)
9ct Yellow Gold 1ct Pear Lab Grown Diamond Ring - Cassim & Co South Africa
9ct Yellow Gold 1.00ct Pear Lab Grown Diamond Solitaire Engagement Ring (LR11)
R 13,000
R 35,999
Sale
9ct white gold engagement ring with 1.00 carat pear-shaped lab grown diamond in four-claw setting
9ct White Gold 1ct Pear Lab Grown Diamond Ring - Cassim & Co South Africa
9ct White Gold 1.00ct Pear Lab Grown Diamond Solitaire Engagement Ring (1102330)
R 13,000
R 35,800
Sale
9ct yellow gold solitaire engagement ring with 0.50 carat oval lab grown diamond in four-prong setting
9ct Yellow Gold 0.50ct Oval Lab Grown Diamond Solitaire Engagement Ring (LR14) - Cassim & Co South Africa
9ct Yellow Gold 0.50ct Oval Lab Grown Diamond Solitaire Engagement Ring (LR14)
R 9,999
R 19,999
Sale
Sold out
New
9ct white gold trilogy engagement ring with three lab grown diamonds totalling 1.48 carats in four-claw settings on polished tapered band
9ct White Gold 1.48ct Lab Grown Diamond Trilogy Ring (LR38)
9ct White Gold 1.48ct Lab Grown Diamond Trilogy Ring (LR38)
R 15,999
R 31,999
Sale
9ct yellow gold solitaire engagement ring with 1.00ct emerald-cut lab grown diamond in four-claw setting by Cassim & Co Johannesburg
9ct Yellow Gold 1ct Emerald Lab Grown Diamond Ring - Cassim & Co South Africa
9ct Yellow Gold 1.00ct Emerald Lab Grown Diamond Solitaire Engagement Ring (LR6)
R 13,000
R 33,999
Sale
9ct yellow gold eternity ring with 0.36ct lab grown diamonds in shared prong setting, Cassims & Co. LR10
9ct Yellow Gold 0.36ct Lab Grown Diamond Eternity Ring (LR10) - Cassim & Co South Africa
9ct Yellow Gold 0.36ct Lab Grown Diamond Eternity Ring (LR10)
R 9,999
R 19,999
Sale
9ct white gold eternity ring with lab grown diamonds in prong setting - Cassim & Co Johannesburg
9ct White Gold Eternity Lab Grown Diamond Ring - Cassim & Co South Africa
9ct White Gold 0.36ct Lab Grown Diamond Eternity Ring (LR4)
R 9,999
R 19,999
Sale
9ct White Gold 1.00ct Round Lab Grown Diamond Solitaire Engagement Ring (LR3)
9ct White Gold 1ct Round Lab Grown Diamond Ring - Cassim & Co South Africa
9ct White Gold 1.00ct Round Lab Grown Diamond Solitaire Engagement Ring (LR3)
R 13,000
R 29,999
Sale
9ct yellow gold solitaire engagement ring with 1.00 carat round brilliant lab grown diamond in four-prong setting
9ct Yellow Gold 1.00ct Round Lab Grown Diamond Solitaire Engagement Ring (LR8) - Cassim & Co South Africa
9ct Yellow Gold 1.00ct Round Lab Grown Diamond Solitaire Engagement Ring (LR8)
R 13,000
R 29,999
Sale
New
9ct white gold engagement ring with 1.5ct pear lab grown diamond in halo setting with pavé band, viewed from above on reflective surface
9ct White Gold 1.5ct Pear Lab Grown Diamond Halo Engagement Ring (LR70)
9ct White Gold 1.5ct Pear Lab Grown Diamond Halo Engagement Ring (LR70)
R 24,999
R 49,999
Sale
New
9ct white gold engagement ring with 1.30ct pear lab grown diamond and pavé band from Cassims & Co. Johannesburg
9ct White Gold 1.30ct Pear Lab Grown Diamond Ring (LR71)
9ct White Gold 1.30ct Pear Lab Grown Diamond Ring (LR71)
R 19,999
R 39,999
Sale
New
9ct yellow gold engagement ring with 1.30ct pear lab grown diamond and pavé diamond shoulders by Cassims & Co.
9ct Yellow Gold 1.30ct Pear Lab Grown Diamond Ring (LR69)
9ct Yellow Gold 1.30ct Pear Lab Grown Diamond Ring (LR69)
R 19,999
R 39,999
Sale
New
9ct yellow gold oval lab grown diamond engagement ring with pavé shoulders by Cassims & Co.
9ct Yellow Gold 1.30ct Oval Lab Grown Diamond Engagement Ring (LR68)
9ct Yellow Gold 1.30ct Oval Lab Grown Diamond Engagement Ring (LR68)
R 19,999
R 39,999
Sale
New
9ct white gold engagement ring with 1.30ct oval lab grown diamond and pavé diamond shoulders from Cassims & Co.
9ct White Gold 1.30ct Oval Lab Grown Diamond Engagement Ring (LR67)
9ct White Gold 1.30ct Oval Lab Grown Diamond Engagement Ring (LR67)
R 19,999
R 39,999
Sale
New
9ct white gold engagement ring with 1.5ct cushion cut lab grown diamond in halo setting with pavé diamond shoulders from Cassims & Co.
9ct White Gold 1.5ct Cushion Cut Lab Grown Diamond Halo Engagement Ring (LR66)
9ct White Gold 1.5ct Cushion Cut Lab Grown Diamond Halo Engagement Ring (LR66)
R 24,499
R 48,999
Sale
New
9ct yellow gold oval lab grown diamond halo engagement ring with pavé shoulders on white background
9ct Yellow Gold Oval Lab Grown Diamond Halo Engagement Ring (LR65)
9ct Yellow Gold Oval Lab Grown Diamond Halo Engagement Ring (LR65)
R 24,499
R 48,999
Sale
New
9ct yellow gold three stone engagement ring with 1.2ct elongated radiant cut lab grown diamond and asscher side stones from Cassims & Co.
9ct Yellow Gold 1.2ct Elongated Radiant Cut Lab Grown Diamond Three Stone Ring (LR63)
9ct Yellow Gold 1.2ct Elongated Radiant Cut Lab Grown Diamond Three Stone Ring (LR63)
R 19,999
R 39,999
Sale
New
9ct white gold oval lab grown diamond halo engagement ring with pavé shoulders from Cassims & Co.
9ct White Gold 1.5ct Oval Lab Grown Diamond Halo Engagement Ring (LR64)
9ct White Gold 1.5ct Oval Lab Grown Diamond Halo Engagement Ring (LR64)
R 24,499
R 48,999
Sale
New
9ct yellow gold eternity ring with 0.25ct lab grown diamonds in prong setting, stocked at Cassims & Co. Johannesburg
9ct Yellow Gold 0.25ct Lab Grown Diamond Eternity Ring (LR62)
R 7,999
R 15,999
Sale
New
9ct white gold 1.30ct radiant cut lab grown diamond engagement ring with pavé band from Cassims & Co.
9ct White Gold 1.30ct Radiant Cut Lab Grown Diamond Ring (LR60)
9ct White Gold 1.30ct Radiant Cut Lab Grown Diamond Ring (LR60)
R 19,999
R 39,999
Sale
New
9ct yellow gold engagement ring with 1.3ct radiant cut lab grown diamond and pavé shoulders by Cassims & Co.
9ct Yellow Gold 1.3ct Radiant Cut Lab Grown Diamond Engagement Ring (LR61)
9ct Yellow Gold 1.3ct Radiant Cut Lab Grown Diamond Engagement Ring (LR61)
R 19,999
R 39,999
Sale
New
9ct yellow gold engagement ring with 1.30ct cushion cut lab grown diamond in white gold claws and diamond shoulders from Cassims & Co.
9ct Yellow Gold 1.30ct Cushion Cut Lab Grown Diamond Engagement Ring (LR59)
9ct Yellow Gold 1.30ct Cushion Cut Lab Grown Diamond Engagement Ring (LR59)
R 19,999
R 39,999
Sale
New
9ct yellow gold engagement ring with 1.30ct round lab grown diamond in white gold four-claw setting and pavé diamond shoulders
9ct Yellow Gold 1.30ct Round Lab Grown Diamond Engagement Ring (LR58)
9ct Yellow Gold 1.30ct Round Lab Grown Diamond Engagement Ring (LR58)
R 19,999
R 39,999
Sale
New
9ct white gold engagement ring with 1.30ct round lab grown diamond in four-claw setting and pavé diamond shoulders
9ct White Gold 1.30ct Round Lab Grown Diamond Engagement Ring (LR57)
9ct White Gold 1.30ct Round Lab Grown Diamond Engagement Ring (LR57)
R 19,999
R 39,999
Sale
New
9ct yellow gold radiant cut lab grown diamond halo engagement ring with pavé band by Cassims & Co.
9ct Yellow Gold 2.10ct Radiant Cut Lab Grown Diamond Halo Engagement Ring (LR55)
9ct Yellow Gold 2.10ct Radiant Cut Lab Grown Diamond Halo Engagement Ring (LR55)
R 29,999
R 59,999
Sale
New
9ct yellow gold engagement ring with 1.50ct cushion cut lab grown diamond halo and pavé band, Cassims & Co.
9ct Yellow Gold 1.50ct Cushion Cut Lab Grown Diamond Halo Engagement Ring (LR56)
9ct Yellow Gold 1.50ct Cushion Cut Lab Grown Diamond Halo Engagement Ring (LR56)
R 24,999
R 49,999
Sale
New
9ct yellow gold engagement ring with 1.5ct round brilliant lab grown diamond in halo setting with pavé band
9ct Yellow Gold 1.5ct Round Cut Lab Grown Diamond Halo Engagement Ring (LR53)
9ct Yellow Gold 1.5ct Round Cut Lab Grown Diamond Halo Engagement Ring (LR53)
R 24,999
R 49,999
Sale
New
9ct white gold engagement ring with 2.1ct radiant cut lab grown diamond halo setting and pavé band from Cassims & Co.
9ct White Gold 2.1ct Radiant Cut Lab Grown Diamond Halo Engagement Ring (LR54)
9ct White Gold 2.1ct Radiant Cut Lab Grown Diamond Halo Engagement Ring (LR54)
R 29,999
R 59,999

Certified Sparkle

Discover the exceptional quality of our lab-grown diamond rings—engineered to provide the same brilliance, durability, and optical properties as natural diamonds. Each ring is accompanied by professional certification, ensuring complete authenticity and verified quality standards. Experience luxury with confidence,backed by certification you can trust.