If you’re chasing the striking, elongated silhouette of a marquise cut in black stones, this guide highlights five options that fit the bill. From loose marquise-cut cz stones you can set yourself to finished rings featuring marquise black stones, these picks appeal to DIY jewelers, gift givers, and anyone seeking dramatic, high-contrast sparkle. Best for: DIY crafters, value-conscious shoppers, and lovers of vintage-inspired black jewelry with a modern twist.
Product Overview Table
| Product | Best For | Stone Type | Notes |
|---|---|---|---|
| JIANGYUANGEMS 300Pcs Marquise Cut Black CZ (3.5x7mm) | DIY jewelry makers, replacements | Cubic Zirconia | Great selection for multiple projects; confirm dimensions before purchase |
| Victorian 1 CT Black Diamond Marquise Ring | Gifts, vintage-inspired events | Black Onyx / simulated diamond accents | Handmade style; classic antique look |
| JINGANGZUO 30pcs 3x6mm Marquise Black CZ Stones | Project jewelry, crafting accents | Cubic Zirconia | Compact set; sizes may appear larger in product photo |
| 2 CT Marquise Cut Black Diamond Engagement Rings (Love Band) | Statement rings, anniversaries | Black Onyx Diamond composition | Solid silver options; includes side stones |
| 1 CT Marquise Cut Black Diamond Ring (Bhumi Gems) | Customizable, gift-ready | Black Diamond / Onyx options | Variety of metal settings (silver or gold) |
JIANGYUANGEMS 300Pcs Marquise Cut Black CZ Stones

These 3.5x7mm marquise-cut black CZ stones come in a bulk pack of 300. The stones are synthetic cubic zirconia, suited for replacing missing stones in existing pieces or for a variety of DIY jewelry crafts, including earrings, bracelets, necklaces, rings, nail art, and pendants. Best for: crafters who want a cost-effective supply for multiple projects. A key limitation is that actual size may appear smaller than images; verify dimensions before ordering.
Why chosen: The large quantity and uniform size make them ideal for batch projects, enabling consistent workmanship and color across pieces. The marquise shape delivers a dramatic, vintage-inspired look that pairs well with both modern and classic designs. For best results, match these CZ stones with metal settings that accommodate a 3.5x7mm elongated shape.
Who should buy: DIY jewelers seeking an affordable marquise black-stone option, jewelry makers exploring wholesale-style projects, and hobbyists updating costume pieces. Caution: As CZ stones, they lack natural gemstone properties and wear characteristics of genuine diamonds or onyx; handle with care in settings to avoid chipping during setting.
Victorian 1 CT Black Diamond Marquise Ring

This vintage-inspired engagement ring centers a marquise-cut stone framed by a classic filigree setting in 925 sterling silver. The design is described as a Victorian 1 CT marquise ring with black onyx as the center stone, complemented by prong settings and a long-lasting finish. Best for: fans of heirloom aesthetics who want a distinctive black stone appearance in a formal or semi-formal setting.
Why chosen: The marquise silhouette is timeless, and the filigree detail adds visual complexity that stands out in social settings or special occasions. The use of sterling silver with a protective finish helps maintain the ring’s clarity and sparkle over time. Caution: The center stone is a black onyx with a high-contrast setting; color consistency may vary batch to batch, so compare with images before purchase.
Who should buy: Those seeking a ready-to-wear statement piece with vintage charm and a dramatic marquise cut. Best for gift-giving on anniversaries or milestone events. Use care when cleaning to preserve the filigree details and metal finish.
JINGANGZUO 30pcs 3x6mm Marquise Black CZ Stones

The JINGANGZUO set includes 30 stones sized about 3x6mm in a marquise brilliant cut with black color CZ. They’re intended for use in rings, earrings, bracelets, necklaces, pendants, and DIY crafts. Best for: creators who need a manageable quantity of marquise-cut stones for small projects or prototypes. A noted limitation is that the product photo may exaggerate size; check the stated dimensions before purchase.
Why chosen: The size is compatible with various small settings, offering versatility for mixed metal or mixed-stone designs. The after-sales support promise helps resolve delivery issues when shipments encounter delays. Use this set for detail work like earrings or accent stones in bracelets. Caution: Only purchase if you’re comfortable with CZ stones rather than natural diamonds for long-term wear in high-impact settings.
Who should buy: Beginners expanding into marquise designs, hobbyists focusing on accessory components, and craftspeople who want easily replaceable CZ options for quick projects.
2 CT Marquise Cut Black Diamond Rings (Love Band)

This Love Band collection presents a 2 CT marquise-cut black diamond-style ring featuring a prominent center stone with white side stones. The overall theme centers on a statement look with a traditional prong setting in 925 sterling silver. Best for: brides, anniversary gifts, and those seeking a bold, high-contrast centerpiece.
Why chosen: The elongated marquise cut emphasizes length and elegance, while the black-on-contrast pairing creates a striking visual. The ring uses a classic handcrafted approach with sterling silver and potential gold options, enabling a range of price points and metal tones. Caution: The data notes are centered on black onyx and simulated diamond compositions; verify the exact stone material and metal choice when ordering, as finishes can vary by batch.
Who should buy: Individuals seeking a high-impact, vintage-inspired engagement or statement ring. Choose this if you want a durable, prong-set design that can be styled with formal wear or dressy casual outfits.
1 CT Marquise Cut Black Diamond Ring (Bhumi Gems)

This 1 CT marquise-cut ring offers a classic handmade aesthetic in 925 sterling silver with optional solid gold settings (10K/14K/18K). The centerpiece is described as a black diamond or onyx, with the jewelry designed to be customized and long-lasting. Best for: those who want a personalized touch with the option to customize metal type and finish.
Why chosen: The marquise shape elongates the finger and pairs well with vintage or modern outfits, offering versatility for daily wear or special occasions. The option to customize metals allows buyers to align with personal style or wedding themes. Caution: The product notes indicate variable center stone options (black diamond or onyx); confirm the exact material and finish before purchase to ensure it meets expectations.
Buying Guide: Marquise Cut Black Stone Jewelry and Accessories
- Stone type considerations: Black stones can be natural black onyx, black diamonds, or black CZs. Real black diamonds offer natural durability but at higher cost; CZ or onyx provide more affordable alternatives with distinct characteristics.
- Cut quality matters: The marquise cut emphasizes length and can elongate the finger. Look for well-defined symmetry, uniform culet, and precise prongs or bezels to maximize light return.
- Metal options: Sterling silver is common with black stones, while gold tones add warmth. Consider karat and plating (rhodium, 14K, 18K) for durability and color matching with other jewelry.
- Delivery and size notes: Confirm exact stone dimensions, carat weight, and metal size compatibility, especially with rings and settings. Some listings may exaggerate stone size in photos.
- DIY vs finished pieces: If purchasing loose stones, ensure you have appropriate settings or consult a jeweler for mounting. For finished rings, check for hallmarking and metal purity when applicable.
Frequently Asked Questions
- What is a marquise cut? A marquise cut is an elongated oval shape with pointed ends, designed to maximize stone exposure and create a dramatic silhouette.
- Are black CZ stones durable enough for daily wear? CZ stones are generally durable for fashion jewelry but can chip if subjected to heavy impact; use protective settings for daily wear.
- Is a black onyx ring the same as a black diamond ring? No. Onyx is a different gemstone with distinct properties; black diamonds tend to be harder and more durable in some contexts.
- What should I consider when buying a marquise-cut ring? Consider metal type, setting style, ring size, and whether the center stone is natural or synthetic to match your budget and preferences.
- Can I resize a marquise-cut ring? Many marquise-cut rings can be resized, but the feasibility depends on the setting and band design; consult a jeweler for precise guidance.
- Which option is best for a DIY project? The JIANGYUANGEMS CZ stones are ideal for DIY jewelry crafts thanks to bulk quantity and consistent sizing.