18K Natural Diamond Jewelry

Natural diamond jewelry in Riyanika's signature 18K solid gold. 75% pure gold, GIA-certified center stones, richer color and heavier feel. Heirloom pieces that read as fine jewelry from the first wear.

459 products
18K Solid Gold Half-Eternity Natural Diamond Bar Necklace18K Solid Gold Half-Eternity Natural Diamond Bar Necklace - Side View | Riyanika Jewels

18K Natural Diamond Eternity Necklace

$5,800
18K Solid Gold 1.00 CTW Natural Diamond Circle Pendant Necklace18K Solid Gold 1.00 CTW Natural Diamond Circle Pendant Necklace - Side View | Riyanika Jewels

18K 1ct Natural Diamond Pendant Necklace

$2,600
18K Gold Halo Natural Diamond Pendant Necklace18K Gold Halo Natural Diamond Pendant Necklace - Side View | Riyanika Jewels

18K Natural Diamond Halo Pendant Necklace

$2,250
18K Solid Gold Natural Diamond Infinity Pendant Necklace18K Solid Gold Natural Diamond Infinity Pendant Necklace - Side View | Riyanika Jewels

18K Natural Diamond Twisted Pendant Necklace

$750
14K Solid Gold Graduated Journey Natural Diamond Pendant Necklace18K Solid Gold Graduated Journey Natural Diamond Pendant Necklace - Side View | Riyanika Jewels

18K Solid Gold Graduated Journey Natural Diamond Pendant Necklace

$2,550
18K Solid Gold 1.00 CTW Natural Diamond Intertwined Statement Ring

18K 1ct Natural Diamond Statement Ring

$2,600
18K Solid Gold 0.44 CTW Natural Diamond Intertwined Statement Ring

18K 0.44ct Natural Diamond Statement Ring

$1,450
18K Solid Gold 0.50 CT Natural Diamond U-Prong Ring18K Solid Gold 0.50 CT Natural Diamond U-Prong Ring - Side View | Riyanika Jewels

18K 0.5ct Natural Diamond U-Prong Ring

$1,400
18K Solid Gold 2 Ct Natural Diamond Tennis Bracelet18K Solid Gold 2 Ct Natural Diamond Tennis Bracelet - Side View | Riyanika Jewels

18K 2ct Natural Diamond Tennis Bracelet

$5,100
18K Solid Gold 0.50 Ct Natural Diamond Round Cluster Stud Earrings18K Solid Gold 0.50 Ct Natural Diamond Round Cluster Stud Earrings - Side View | Riyanika Jewels

18K 0.5ct Natural Diamond Round Cut Cluster Stud Earrings

$1,400
18K Solid Gold 0.50 Ct Natural Diamond Adjustable Two-Row Bar Bracelet18K Solid Gold 0.50 Ct Natural Diamond Adjustable Two-Row Bar Bracelet - Side View | Riyanika Jewels

18K 0.5ct Natural Diamond Bracelet

$1,700
18K Solid Gold 1.00 Ct Natural Diamond Wave-Style Bracelet18K Solid Gold 1.00 Ct Natural Diamond Wave-Style Bracelet - Side View | Riyanika Jewels

18K 1ct Natural Diamond Bracelet

$2,950
18K Solid Gold 0.50 Ct Natural Diamond Flexible Rope Chain Bracelet18K Solid Gold 0.50 Ct Natural Diamond Flexible Rope Chain Bracelet - Side View | Riyanika Jewels

18K 0.5ct Natural Diamond Bracelet

$1,700
18K Solid Gold 0.35 Ct Natural Diamond Bangle with Bezel-Set Round Stone18K Solid Gold 0.35 Ct Natural Diamond Bangle with Bezel-Set Round Stone - Side View | Riyanika Jewels

18K 0.35ct Natural Diamond Round Cut Bezel Bangle

$1,150
18K Solid Gold 1 Ct Natural Diamond By The Yard Bracelet18K Solid Gold 1 Ct Natural Diamond By The Yard Bracelet - Side View | Riyanika Jewels

18K 1ct Natural Diamond Bracelet

$2,600
18K Solid Gold 0.75 Ct Natural Diamond Three-Row Bar Bracele18K Solid Gold 0.75 Ct Natural Diamond Three-Row Bar Bracelet - Side View | Riyanika Jewels

18K 0.75ct Natural Diamond Bracelet

$2,150
18K Solid Gold 0.50 Ct Natural Diamond Infinity Bracelet18K Solid Gold 0.50 Ct Natural Diamond Infinity Bracelet - Side View | Riyanika Jewels

18K 0.5ct Natural Diamond Twisted Bracelet

$1,550
18K Solid Gold 3.00 Ct Natural Diamond Flexible Two-Tone Bracelet18K Solid Gold 3.00 Ct Natural Diamond Flexible Two-Tone Bracelet - Side View | Riyanika Jewels

18K 3ct Natural Diamond Bracelet

$7,250
18K Solid Gold 3.00 CT Natural Diamond Flexible Bracelet with Prong Setting18K Solid Gold 3.00 CT Natural Diamond Flexible Bracelet with Prong Setting - Side View | Riyanika Jewels

18K 3ct Natural Diamond Bracelet

$7,250
18K Solid Gold 2.00 CT Natural Diamond Tennis Bracelet18K Solid Gold 2.00 CT Natural Diamond Tennis Bracelet

18K 2ct Natural Diamond Tennis Bracelet

$5,300
18K Solid Gold 3.00 CT Natural Diamond Graduated Tennis Bracelet18K Solid Gold 3.00 CT Natural Diamond Graduated Tennis Bracelet - Side View | Riyanika Jewels

18K 3ct Natural Diamond Tennis Bracelet

$7,250
18K Solid Gold 1.80 CT Natural Diamond Open Bangle with Round Center Stone18K Solid Gold 1.80 CT Natural Diamond Open Bangle with Round Center Stone - Side View | Riyanika Jewels

18K 1.8ct Natural Diamond Round Cut Bangle

$4,400
18K Solid Gold 1.50 CT Natural Diamond Open Flexi Bangle18K Solid Gold 1.50 CT Natural Diamond Open Flexi Bangle - Side View | Riyanika Jewels

18K 1.5ct Natural Diamond Bangle

$3,600
18K Solid Gold 1.00 CTW 5-Stone Natural Diamond Band18K Solid Gold 1.00 CTW 5-Stone Natural Diamond Band

18K 1ct Natural Diamond Ring

$2,300