---
title: "Cushion Four Prong Solitaire Engagement Ring"
description: "A classic solitaire featuring a cushion 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/cushion-classic-four-prong-solitaire-335"
last-updated: "2026-06-08"
---

# Cushion Classic Four Prong Solitaire

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

Elegant and timeless, this setting features four prongs for maximum security. Customize your lab diamond solitaire engagement ring with band widths of 1.8-2.5mm.

## Details

| Attribute | Value |
| --- | --- |
| Design number | AD-335 |
| Style | Solitaire · Classic Four Prong |
| Price (setting only) | $1,250 in gold; $1,500 in platinum or two-tone |
| Center stone | Sold separately; choose any compatible lab diamond |
| Center stone shapes | Cushion |
| Metals | 18k White Gold, 18k Yellow Gold, 14k Yellow Gold, 18k Rose Gold, 14k Rose Gold, Yellow Gold, White Gold |
| Platinum and two-tone | Platinum, Platinum & 18k Yellow Gold, Platinum & 14k Yellow Gold, Platinum & 18k Rose Gold, Platinum & 14k Rose Gold, 14k 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 |
| Lead time | Made to order; ships in 2-3 Weeks |
| Made in | New York City |

## Pricing

Your Choice of Gold: $1,250 USD

Platinum & Two-Tone: $1,500 USD

_Pricing is for setting only - center stone priced separately. _

## Compatible center diamonds

- Cushion: 36 in stock, 1.26–4.76 ct, from $1,300

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

![18k White Gold Cushion Classic Four Prong Solitaire Diamond Engagement Ring featuring 2.0 Carat Lab Diamonds (Main View)](https://content.adadiamonds.com/image/upload/v1709321052/Man-Made-Diamonds-in-White-Gold-Cushion-Classic-Four-Prong-Solitaire_Main-View_Product-Number-335.webp)

![Lab Diamonds set in White Gold Cushion Classic Four Prong Solitaire (Main View)](https://content.adadiamonds.com/image/upload/v1709321053/Diamonds-in-White-Gold-Cushion-Classic-Four-Prong-Solitaire_Main-View_Product-Number-335.webp)

![Diamonds Cushion Classic Four Prong Solitaire in White Gold (Profile View)](https://content.adadiamonds.com/image/upload/v1709321052/White-Gold-Cushion-Classic-Four-Prong-Solitaire-with-Diamonds_Profile-View_Product-Number-335.webp)

![Created Diamonds Cushion Classic Four Prong Solitaire Diamond Engagement Ring in White Gold (Profile View)](https://content.adadiamonds.com/image/upload/v1709321058/Lab-Diamonds_Cushion-Classic-Four-Prong-Solitaire_White-Gold_Profile-View_Product-Number-335.webp)

![White Gold Cushion Classic Four Prong Solitaire Diamond Engagement Ring featuring Lab Diamonds (Side View)](https://content.adadiamonds.com/image/upload/v1709321058/Lab-Grown-Diamonds-in-White-Gold-Cushion-Classic-Four-Prong-Solitaire_Side-View_Product-Number-335.webp)

![Diamonds Cushion Classic Four Prong Solitaire in White Gold (Side View)](https://content.adadiamonds.com/image/upload/v1709321052/Lab-Diamonds-in-White-Gold-Cushion-Classic-Four-Prong-Solitaire_Side-View_Product-Number-335.webp)

---
Canonical URL: <https://www.adadiamonds.com/lab-diamond-engagement-rings/cushion-classic-four-prong-solitaire-335>