---
title: "Cushion and Round Lab Diamond Engagement Ring"
description: "A cushion cut lab diamond engagement ring with round side stones, in platinum or gold. Made to order in our New York flagship."
canonical: "https://www.adadiamonds.com/lab-diamond-engagement-rings/cushion-round-setting-470"
last-updated: "2026-11-10"
---

# Cushion and Round Setting

> A cushion cut lab diamond engagement ring with round side stones, in platinum or gold. Made to order in our New York flagship.

A brilliant classic, this three stone setting features a pair of round lab grown side stones. Available in trellis or basket style.

## Details

| Attribute | Value |
| --- | --- |
| Design number | AD-470 |
| Style | Three Stone · Trellis |
| Price (setting only) | $2,650 in gold; $2,950 in platinum or two-tone |
| Hidden halo | +$1,000 |
| 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 |
| Platinum and two-tone | Platinum, Platinum & 18k Yellow Gold |
| 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 3-4 Weeks |
| Made in | New York City |

## Pricing

Your Choice of Gold:

0.20ct Each Side Stones (0.4ctw): $2,650 USD

0.25ct Each Side Stones (0.5ctw): $2,750 USD

0.30ct Each Side Stones (0.6ctw): $2,900 USD

0.40ct Each Side Stones (0.8ctw): $3,450 USD

0.50ct Each Side Stones (1.0ctw): $3,750 USD

_Starting at price is for the setting and side stones only (center stone priced separately) and includes DEF/VS lab grown diamond side stones. Side stones at or below 0.50ct will be uncertified and hand-selected to match your center stone. Side stones above 0.50ct are available upon request and are individually certified. _

_Platinum and two-tone available for an additional $300 fee. This style must be modified to accommodate a mixed-metal setting._

## 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

![White Gold Cushion and Round Setting featuring Diamonds (Main View)](https://content.adadiamonds.com/image/upload/v1710269961/Diamonds-in-White-Gold-Cushion-and-Round-Setting_Main-View_Product-Number-470.webp)

![Hand Selected Diamonds Cushion and Round Setting in White Gold (Main View)](https://content.adadiamonds.com/image/upload/v1710269961/Created-Diamonds-in-White-Gold-Cushion-and-Round-Setting_Main-View_Product-Number-470.webp)

![Diamonds Cushion and Round Diamond Engagement Ring in White Gold (Profile View)](https://content.adadiamonds.com/image/upload/v1710269967/White-Gold-Cushion-and-Round-Setting-with-Lab-Created-Diamonds_Profile-View_Product-Number-470.webp)

![White Gold Cushion and Round Diamond Engagement Ring featuring High Quality Man Made Diamonds (Profile View)](https://content.adadiamonds.com/image/upload/v1710269971/Lab-Diamonds_Cushion-and-Round-Setting_White-Gold_Profile-View_Product-Number-470.webp)

![Lab Grown Diamonds Cushion and Round Setting in White Gold (Side View)](https://content.adadiamonds.com/image/upload/v1710269961/Diamonds_Cushion-and-Round-Setting_White-Gold_Side-View_Product-Number-470.webp)

![Lab Grown Diamonds set in White Gold Cushion and Round Setting (Side View)](https://content.adadiamonds.com/image/upload/v1710269966/Lab-Diamonds-in-White-Gold-Cushion-and-Round-Setting_Side-View_Product-Number-470.webp)

---
Canonical URL: <https://www.adadiamonds.com/lab-diamond-engagement-rings/cushion-round-setting-470>