Tanzanite, Blue Topaz and Aquamarine Drop Pendant Necklace 2.32tcw 14kt Yellow Gold

This Tanzanite, Blue Topaz and Aquamarine Drop Pendant Necklace combines four blue-spectrum natural gemstones in a single drop-pendant silhouette: an emerald-cut tanzanite (1.73ct), Asscher-cut blue topaz (0.45ct), round aquamarine (0.11ct), and round-cut tanzanite (0.03ct), totalling 2.32 carats in 14kt yellow gold. The pendant measures 1.25 by 0.40 inches and includes an 18-inch 0.75mm solid cable chain. The composition is deliberately tonal: each blue stone (tanzanite, blue topaz, aquamarine) sits in a different position on the blue spectrum, producing graduated colour across the pendant rather than a single-tone presentation.

Necklace at a Glance

• Total carat weight: 2.32tcw
• Stones: Emerald-cut tanzanite (1.73ct), Asscher blue topaz (0.45ct), round aquamarine (0.11ct), round tanzanite (0.03ct)
• Metal: 14kt yellow gold (purity 585)
• Pendant size: 1.25'' x 0.40''
• Chain: 18'' x 0.75mm solid cable chain (included)
• SKU: TAndCO-0055

About the Stones

The pendant features four natural gemstones, each contributing a different shade of blue. The 1.73ct emerald-cut tanzanite is the centrepiece, displaying tanzanite's classic blue-violet colour from Tanzania origin. The 0.45ct Asscher-cut blue topaz adds the brighter, lighter blue tone typical of London Blue or Swiss Blue topaz. The 0.11ct of round aquamarine adds the palest cool-blue tone (aquamarine is famously the lightest of the blue gemstones). A 0.03ct round-cut tanzanite accent rounds out the composition. Multi-stone blue-spectrum compositions are a recognised category in fine jewelry, the eye reads them as graduated colour rather than mismatched stones.

About the Drop Pendant Setting

The 14kt yellow gold setting (585 purity) is fabricated in a drop-pendant silhouette with the four stones arranged vertically rather than concentrically (as in a halo). At 1.25 by 0.40 inches the pendant is taller than wide, the drop format particularly suits multi-stone compositions because each stone has its own clear position in the layout. The 18-inch solid cable chain is included, cable chain is a classical thin gold pattern that pairs naturally with multi-stone drop pendants without competing visually with the pendant itself. Yellow gold contrasts the cool-toned stones, making the blue colour palette read more vivid against the warm metal.

Why Shop With Treasured & Co.

• ✔ Free domestic shipping on every order, fully insured
• ✔ Affirm financing at checkout, four-payment plans available on orders over $100
• ✔ In-store viewing at our Astoria, NY showroom: 30-06 Steinway St, Astoria, NY 11103
• ✔ Available in standard sizes, complimentary fitting consultations on request
• ✔ 30-day return policy on standard pieces, lifetime cleaning and polishing
• ✔ Family-owned jeweler since 1990, every piece inspected by our master goldsmith

Multi-Stone Blue-Spectrum Necklaces

Multi-stone necklaces that use multiple gemstones from the same colour family (here: blue) produce a graduated visual effect, the same colour appears at different saturations and undertones across the piece. This style of composition is recognised in fine jewelry as a way to add depth and visual interest without committing to a single stone type. Tanzanite, blue topaz, and aquamarine each occupy a different position on the blue spectrum, tanzanite is the deepest and most saturated, blue topaz adds bright clarity, aquamarine adds the palest cool tone, the result is a single pendant that reads as cohesively blue while displaying clear stone-by-stone differences.

Frequently Asked Questions

Are all four stones natural?

Yes. The tanzanite, blue topaz, and aquamarine are all natural mined gemstones. The tanzanite is heat-treated (standard for the species), blue topaz is also commonly heat-treated to develop colour (standard practice), aquamarine and the smaller round tanzanite accent are similarly natural mined stones.

What's the difference between tanzanite, blue topaz, and aquamarine?

All three are blue gemstones but they are different mineral species: tanzanite is zoisite (silicate with calcium, aluminium, vanadium content), blue topaz is topaz (aluminum silicate fluoride hydroxide, often heat-treated to enhance blue colour), aquamarine is beryl (the same mineral family as emerald, but coloured by iron rather than chromium). Each has a distinct blue tone and a different position on the hardness scale: aquamarine (Mohs 7.5-8) and topaz (Mohs 8) are harder than tanzanite (6.5-7).

What is an Asscher cut?

Asscher is a square step-cut gemstone shape with cropped (octagonal) corners, developed in Amsterdam in 1902. The Asscher blue topaz in this pendant produces long mirror-like flashes of light characteristic of step-cut stones, contrasting with the brilliant-cut faceting of the round aquamarine and tanzanite accents.

Is the chain included?

Yes. The 18-inch 0.75mm solid cable chain in 14kt yellow gold is included.

Can I view this pendant in person?

Yes. Available at Treasured and Co., 30-06 Steinway St, Astoria, NY 11103. Hours: Mon-Sat 10:30AM-6:30PM, Sun 11:30AM-5:30PM.