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Certified

Explore certified in the available selection of gemstones and jewellery materials. Browse individual photographs, sizes and product specifications to find pieces suited to your design or collection.
[SMRB0900X2] Madagascan Parti Sapphire 9.27mm Round Madagascan Parti Sapphire 9.27mm Round

Madagascan Parti Sapphire 9.27mm Round

[SYQN1000X1] Unheated Yellow Sapphire 10.49x10.43mm Radiant Cut Unheated Yellow Sapphire 10.49x10.43mm Radiant Cut

Unheated Yellow Sapphire 10.49x10.43mm Radiant Cut

[SPAX3748] Sapphire 8.61x7.47mm Cushion Teal Sapphire 8.61x7.47mm Cushion Teal

Sapphire 8.61x7.47mm Cushion Teal

[KX3033] Padparadscha Sapphire 7.00 x 5.95 x 4.45mm Oval UNHEATED KX3033_2 .webp

Padparadscha Sapphire 7.00 x 5.95 x 4.45mm Oval UNHEATED

Unheated padparadscha sapphire in orangy‑pink, oval brilliant, 1.55ct, 7.00 × 5.95 × 4.45mm, Sri Lanka; bright face‑up and pleasing clarity.

[SPPB0907X1] Pink Sapphire 9.4x7.0mm Pear Shape UNHEATED Pink Sapphire 9.4x7.0mm Pear Shape UNHEATED

Pink Sapphire 9.4x7.0mm Pear Shape UNHEATED

[SPAB0700X1] Pink Sapphire 7x6.95mm Square Cushion UNHEATED Pink Sapphire 7x6.95mm Square Cushion UNHEATED

Pink Sapphire 7x6.95mm Square Cushion UNHEATED

[SMOS1007X1] Sapphire 9.8x7.18mm Emerald Cut Teal Sapphire 9.8x7.18mm Emerald Cut Teal

Sapphire 9.8x7.18mm Emerald Cut Teal

A 4.35ct teal sapphire from Madagascar, beautifully cut in a square emerald shape, offering natural brilliance and clarity.

[SMOS0800X1] Unheated Madagascan Sapphire 8.37 x 8.31 x 5.77mm Square Emerald Cut Teal Unheated Madagascan Sapphire 8.37x8.31mm Square Emerald Cut Teal

Unheated Madagascan Sapphire 8.37 x 8.31 x 5.77mm Square Emerald Cut Teal

[SMOS0800X2] Madagascan Sapphire 8.01 x 7.96 x 5.97mm Emerald Cut Teal UNHEATED Madagascan Sapphire 8.01x7.96mm Emerald Cut Blue Green UNHEATED

Madagascan Sapphire 8.01 x 7.96 x 5.97mm Emerald Cut Teal UNHEATED

[SYVB0907X1] Yellow Sapphire 9.66x7.87mm Oval Yellow Sapphire 9.66x7.87mm Oval

Yellow Sapphire 9.66x7.87mm Oval

[SYQN1000X2] Sri Lankan Yellow Sapphire 10.59x9.69mm Radiant Cut UNHEATED Sri Lankan Yellow Sapphire 10.59x9.69mm Radiant Cut UNHEATED

Sri Lankan Yellow Sapphire 10.59x9.69mm Radiant Cut UNHEATED

Sri Lankan Yellow Sapphire 10.59x9.69mm Radiant Cut, 6.06cts, Unheated.

[SYOS0806X1] Madagascan Yellow Sapphire 8.8x6.4mm Emerald Cut UNHEATED Madagascan Yellow Sapphire 8.8x6.4mm Emerald Cut UNHEATED

Madagascan Yellow Sapphire 8.8x6.4mm Emerald Cut UNHEATED

A stunning 3.03ct Madagascan yellow sapphire, emerald cut with vibrant color and clarity. Unheated and certified.

[SYQN0800X1] Sri Lankan Yellow Sapphire 8.31x8.42mm Radiant Cut UNHEATED Sri Lankan Yellow Sapphire 8.31x8.42mm Radiant Cut UNHEATED

Sri Lankan Yellow Sapphire 8.31x8.42mm Radiant Cut UNHEATED

[SYOS0700X1] Madagascan Yellow Sapphire 7.13x6.64mm Emerald Cut UNHEATED Madagascan Yellow Sapphire 7.13x6.64mm Emerald Cut UNHEATED

Madagascan Yellow Sapphire 7.13x6.64mm Emerald Cut UNHEATED

[SCOS1510X1] Ceylon Sapphire Blue 13.95x10.22mm Emerald Cut Ceylon Sapphire Blue 13.95x10.22mm Emerald Cut

Ceylon Sapphire Blue 13.95x10.22mm Emerald Cut

[GTVB1210X1] Tsavorite Garnet 12.2x9.5mm Oval Tsavorite Garnet 12.2x9.5mm Oval

Tsavorite Garnet 12.2x9.5mm Oval

A stunning 5.02 ct Tsavorite garnet, featuring a vivid green hue and brilliant oval cut, with exceptional clarity and natural beauty.

[SMPB1008X2] Sapphire 10.93 x 7.74 x 5.18mm Pear Shape Teal SMPB1008X2_2 .webp

Sapphire 10.93 x 7.74 x 5.18mm Pear Shape Teal

[BERB1000X1] Zambian Emerald 10.30mm Round Zambian Emerald 10.30mm Round

Zambian Emerald 10.30mm Round

[BEOS1008X1] Zambian Emerald 10.06x9.24mm Emerald Cut BEOS1008X1_2 .webp

Zambian Emerald 10.06x9.24mm Emerald Cut

[RRVB1007X1] Burmese Ruby 9.53 x 7.28 x 4.73mm Oval Burmese Ruby 9.53x7.28mm Oval

Burmese Ruby 9.53 x 7.28 x 4.73mm Oval