18k Rose Gold Custom Marquise Diamond Engagement Ring
Item #103477 $3,836 Price does not include center stoneEngagement Ring Description
Center Marquise
The centerpiece of this ring is a 0.51 carat marquise shaped diamond, which is held in a six prong white gold setting. The diamond is oriented lengthwise across the band, putting it inline with the finger when worn. This positioning helps accentuate the elegant lines of the cut, and it also has the effect of making the wearer’s finger seem longer and more slender. One of a Kind Engagement Rings
The client specifically requested a half-carat marquise diamond that had a length to width ratio of 1.95 or more, and we found this lovely stone, which was almost an exact match to his specifications. The six prongs holding the diamond are clustered towards the tips, with one prong on each corner and the others flanking those center prongs on either side.
Diamond Accents
On each side of the center, three smaller round diamonds are prong set right up against the side of the main stone. The center in each cluster is substantially larger than the other two, and the way they’re arranged gives the center setting as a whole a somewhat star-like quality. Vintage Engagement Rings
Custom Design Process
Whether you’re interested in customizing this ring, or you think you’d like to combine some of the features you see here with others from a different inspiration piece, our team will guide you through the custom design process from start to finish. Even if you’re not able to come into our Bellevue, WA showroom in person to discuss your project, we have the tools and resources to finalize the details of your piece entirely online, and we won’t put anything into production until you’ve given your explicit approval.
Details
All gemstone and diamond weights are approximate.
6 Diamonds - .06 ctw
Clarity: VS2 - Color: F-G
Joseph Jewelry
Customizing This Design
Any Joseph Jewelry item can be customized or used as the starting point for a new custom design. The gemstones, metal, proportions, setting style, surface details, and overall profile can be adjusted to better match your preferences, style, and budget.
Every custom piece begins with a conversation about what you want to create and what matters most to you. You work one-on-one with a designer to refine the concept, review the design direction, and create a detailed 3D CAD image of the item before it is made.
After the design is approved, we can create a wax model so you can review the piece physically. This step helps you evaluate scale, proportions, shape, and overall presence before final production begins.
Once the wax model is approved, our jewelers craft the finished piece with attention to structure, finish, stone security, and long-term wear. Each adjustment is reviewed carefully so the final item feels intentional, balanced, and made specifically for you.
You do not need to have every detail figured out before starting. If you like this item but want to change the stone, metal, size, shape, width, engraving, or overall style, we can guide those decisions through the custom design process.
Quality & Craftsmanship
At Joseph Jewelry, quality begins with the structure. We follow strict design and construction standards for metal thickness, weight, stone support, setting security, and long-term durability. These details help ensure the item is substantial enough for everyday wear while still maintaining a refined appearance.
We do not design custom jewelry to be unnecessarily thin or fragile. If a setting, band, gallery, or accent detail needs more support, we address it before production begins. The goal is to protect the stones, preserve the shape of the ring, and create a piece that can be worn confidently over time.
Gemstone selection is also part of our quality process. We help choose the center stone, side stones, and melee diamonds used in each ring, reviewing them for cut, color, clarity, consistency, and how well they fit the design. Even when a ring is designed around a specific budget, we maintain careful standards for the materials and craftsmanship that determine the quality of the finished piece.
Before completion, each custom piece is reviewed for proportion, comfort, stone security, finishing, and long-term wear.
Care & Warranty
All Joseph Jewelry custom pieces are supported by our lifetime warranty. We also provide long-term care, including complimentary cleaning and regular inspection, so your jewelry can be maintained properly over time.
Routine inspection is especially valuable for pieces worn every day. It allows the setting, stones, and overall structure to be checked as the jewelry is worn.
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