From the original developers of jewelry CAD software — Accufine combines design mastery and precision production to support retailers seeking timeless craftsmanship and quiet luxury.

Cushion Diamond Desk

Cushion Brilliant Diamonds

Lab-Grown & Natural • 1.00–10.00 Carats

Cushion brilliant is the benchmark for all diamond shapes — maximum light return, balanced sparkle, and timeless appeal. Below you’ll find handpicked lab-grown and natural rounds, each with video, certificate, and transparent retail pricing so you can quote your client with confidence.

Lab-Grown Cushion Diamonds – 1.00 to 5.00 Carats

Premium E / VVS1 lab-grown ovals, matched to our Accufine Starlit Oval engagement ring.

1ct Oval Lab-Grown Diamond
Carat: 1.00
Color: E
Clarity: VVS1
Retail Price: $530
View Certificate
2ct Oval Lab-Grown Diamond
Carat: 2.00
Color: E
Clarity: VVS1
Retail Price: $1,422
View Certificate
3ct Oval Lab-Grown Diamond
Carat: 3.00
Color: E
Clarity: VVS1
Retail Price: $3,161
View Certificate
4ct Oval Lab-Grown Diamond
Carat: 4.00
Color: E
Clarity: VVS1
Retail Price: $6,400
View Certificate
5ct Oval Lab-Grown Diamond
Carat: 5.00
Color: E
Clarity: VVS1
Retail Price: $6,670
View Certificate

Market Match Retail: $2,120

We show one natural stone as a sample retail benchmark. For current availability and exact pricing, please use the diamond request form below.

Natural Round Diamond

Sample Stone: Natural Round Brilliant
Carat: 1.00
Color: G
Clarity: VS2
Cut: EX / Ideal

Natural Round Diamond – Market Match Example: $2,120

Our sample diamond prices are based on current leading online diamond marketplaces (not old keystone formulas). We call this Market Match Retail — real-world prices that reflect today’s online competition.

📄 View Sample Certificate

Market Match Retail: $34,900

We show one natural stone as a sample retail benchmark. For current availability and exact pricing, please use the diamond request form below.

Natural Round Diamond

Sample Stone: Natural Cushion Brilliant
Carat: 3.01
Color: H
Clarity: VS1
Cut: EX / Ideal

Cushion Brilliant Diamond – Market Match Example: $34,900

Our sample diamond prices are based on current leading online diamond marketplaces (not old keystone formulas). We call this Market Match Retail — real-world prices that reflect today’s online competition.

📄 View Sample Certificate

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