---
title: "Princess Cathedral Solitaire Engagement Ring"
description: "A classic solitaire featuring a princess lab diamond. Made to order in NYC. Available in platinum, or white, yellow, and rose gold. Complimentary custom design."
canonical: "https://www.adadiamonds.com/lab-diamond-engagement-rings/princess-cathedral-solitaire-340"
last-updated: "2026-11-10"
---

# Princess Cathedral Solitaire

> A classic solitaire featuring a princess lab diamond. Made to order in NYC. Available in platinum, or white, yellow, and rose gold. Complimentary custom design.

Simply classic, this setting features petite prongs and raised catherdal shoulders. Customize your lab diamond solitaire engagement ring with band widths of 1.8-2.5mm.

## Details

| Attribute | Value |
| --- | --- |
| Design number | AD-340 |
| Style | Solitaire · Cathedral |
| Price (setting only) | $1,350 in gold; $1,600 in platinum or two-tone |
| Hidden halo | +$500 |
| Center stone | Sold separately; choose any compatible lab diamond |
| Center stone shapes | Princess |
| Metals | 18k White Gold, 18k Yellow Gold, 14k Yellow Gold, 18k Rose Gold, 14k Rose Gold, Yellow Gold |
| Platinum and two-tone | Platinum, Platinum & 18k Yellow Gold, Platinum & 14k Yellow Gold, Platinum & 18k Rose Gold, Platinum & 14k Rose Gold, 18k Platinum |
| Band widths | 1.8mm, 2.0mm, 2.2mm, 2.4mm |
| Band shapes | Rounded, Knife Edge, Tapered, Square, Custom |
| Prong styles | Round Prongs, Claw Prongs, V-Prongs, Square Prongs, Dual Round Prongs, Dual Claw Prongs |
| Default build | 1.8mm, Rounded, Claw Prongs |
| Engraving | Available |
| Lead time | Made to order; ships in 2-3 Weeks |
| Made in | New York City |

## Pricing

Your Choice of Gold: $1,350 USD

Platinum & Two-Tone: $1,600 USD

_Pricing is for setting only - center stone priced separately. Add a hidden halo for $500 USD._

## Compatible center diamonds

- Princess: 8 in stock, 1.19–3.09 ct, from $1,375

Browse them: <https://www.adadiamonds.com/buy-lab-diamonds> · search by API: <https://www.adadiamonds.com/api/v1/diamonds>

## Shipping and returns

- Free shipping in the US; international shipping $75.
- 30-day returns by mail ($50 return label). Full terms: <https://www.adadiamonds.com/terms>

## Images

![Lab Grown Diamonds set in White Gold Princess Cathedral Solitaire Diamond Engagement Ring (Main View)](https://content.adadiamonds.com/image/upload/v1708721089/White-Gold-Princess-Cathedral-Solitaire-with-Diamonds_Main-View_Product-Number-340.webp)

![White Gold Princess Cathedral Solitaire Diamond Engagement Ring featuring Diamonds (Profile View)](https://content.adadiamonds.com/image/upload/v1708721089/Diamonds_Princess-Cathedral-Solitaire_White-Gold_Profile-View_Product-Number-340.webp)

![Diamonds set in White Gold Princess Cathedral Solitaire Diamond Engagement Ring (Side View)](https://content.adadiamonds.com/image/upload/v1708721089/Diamonds_Princess-Cathedral-Solitaire_White-Gold_Side-View_Product-Number-340.webp)

![platinum 2 ct princess cut man made diamond solitaire engagement ring ada diamonds design ad340 macro](https://content.adadiamonds.com/image/upload/v1691557289/2-carat-princess-lab-created-diamond-cathedral-solitaire-engagement-ring-platinum-ada-diamonds-design-ad-340-main_1680709978885-4915YTY9GD9CIEP9OAZL.jpg)

![Platinum Princess Cathedral Solitaire Diamond Engagement Ring featuring High Quality 2.0 Carat Lab Created Diamonds (Side View)](https://content.adadiamonds.com/image/upload/v1713281815/2-ct-Lab-Diamonds-in-Platinum-Princess-Cathedral-Solitaire_Side-View_Product-Number-340.jpg)

![18k white gold princess cut cathedral high profile lab diamond solitaire engagement ring ada diamonds design ad 340 profile](https://content.adadiamonds.com/image/upload/v1691557288/two-carat-princess-cut-high-profile-lab-created-diamond-solitaire-engagement-ring-in-platinum-ada-diamonds-design-ad-340-profile-view_1680709979269-LWVBPRZ72760ZRNXEVLH.jpg)

---
Canonical URL: <https://www.adadiamonds.com/lab-diamond-engagement-rings/princess-cathedral-solitaire-340>