The River Stone collection

A more discerning
standard for diamonds.

We personally review the details that matter: grade, proportions, media, growth method and availability, before a stone enters this collection.

A considered selection of CVD and HPHT lab-grown diamonds, including fancy colors, with final availability and order details confirmed before any order is finalized.

Explore our guides: loose IGI-certified diamonds · IGI certificate lookup · fancy-color diamonds · colored-diamond pricing.

Looking for several stones? Ask the Diamond Concierge for different shapes and carat weights in one request—for example, a 1.5 ct round, a 2 ct pear and a 3 ct emerald. Available matches appear together on one results page.

Screened collection

Explore selected diamonds

Showing all 5,088 matching diamonds.

Refine the viewReturn to RSD SelectionShow considered shortlist

How RSD Selection worksWe begin with a curated shortlist. Every diamond shown passes our IGI, media, availability, growth-method and finish screens. Colorless stones stay within our stricter fluorescence screen; fancy-color stones retain the fluorescence grade reported on the certificate, including when it is not reported. RSD Selection places the strongest screened profiles first; it is a considered starting point—not a claim that one diamond is universally best.

RSD Selection Shown first for its screened grade profile

IGI report LG842634782

RSD-51E76338315D

1.43 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$244/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG842634782

IGI report LG809624577

RSD-8BDE5E06A22B

1.42 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$246/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG809624577

IGI report LG842624963

RSD-1B7CF4AFB6ED

1.42 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score89/100Evidence partial

$349$246/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG842624963

IGI report LG801620110

RSD-2C073F3E2B19

1.41 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$248/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG801620110

IGI report LG843612903

RSD-B451FCD79330

1.41 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score81/100Evidence partial

$349$248/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG843612903

IGI report LG844633546

RSD-492686499D69

1.40 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$249/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG844633546

IGI report LG842634788

RSD-CE46CC257086

1.38 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$253/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG842634788

IGI report LG842634781

RSD-8A978C30E970

1.37 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$255/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG842634781

IGI report LG826695414

RSD-220AB0C647E4

1.35 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$259/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG826695414

IGI report LG841674333

RSD-9FDFBC6EA189

1.35 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$259/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG841674333

IGI report LG809670825

RSD-6C4C7C10780E

1.34 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$260/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG809670825

IGI report LG843675181

RSD-FCCAEFCBAB6C

1.34 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$260/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG843675181

IGI report LG830683805

RSD-9A519581B7FA

1.33 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score90/100Evidence complete

$349$262/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG830683805

IGI report LG842624885

RSD-F04169B17F43

1.33 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score89/100Evidence partial

$349$262/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG842624885

IGI report LG843612864

RSD-B3810C419CB4

1.32 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score89/100Evidence partial

$349$264/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG843612864

IGI report LG826695502

RSD-E69A5C445E24

1.31 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$266/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG826695502

IGI report LG808601652

RSD-E13F9398261B

1.30 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$268/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG808601652

IGI report LG809670838

RSD-CEB11767FEBC

1.30 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score90/100Evidence complete

$349$268/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG809670838

IGI report LG819696462

RSD-FFEDECB23669

1.30 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$268/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG819696462

IGI report LG815628769

RSD-45CEB93597B1

1.29 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$271/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG815628769

IGI report LG819696536

RSD-A95FED4A329F

1.29 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$271/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG819696536

IGI report LG844633504

RSD-0999C4D1ED2B

1.29 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score90/100Evidence complete

$349$271/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG844633504

IGI report LG825696004

RSD-6595C8A9C61A

1.28 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$273/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG825696004

IGI report LG816692432

RSD-45A6C460A069

1.27 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$275/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG816692432

IGI report LG842624878

RSD-A2F92F17EBFB

1.27 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score89/100Evidence partial

$349$275/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG842624878

IGI report LG824617136

RSD-840F8D8EDAD1

1.26 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$277/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG824617136

IGI report LG844633513

RSD-1A85C2C76824

1.26 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$277/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG844633513

IGI report LG819696479

RSD-044B2B91CB93

1.22 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$299$245/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG819696479

IGI report LG816651586

RSD-2791E0D8B1D8

1.11 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$299$269/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG816651586

IGI report LG821660402

RSD-861D934B6DD8

1.11 ct Emerald

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$299$269/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG821660402

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A more discerning
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A more discerningstandard for diamonds.

Explore selected diamonds

1.43 ct Emerald

1.42 ct Emerald

1.42 ct Emerald

1.41 ct Emerald

1.41 ct Emerald

1.40 ct Emerald

1.38 ct Emerald

1.37 ct Emerald

1.35 ct Emerald

1.35 ct Emerald

1.34 ct Emerald

1.34 ct Emerald

1.33 ct Emerald

1.33 ct Emerald

1.32 ct Emerald

1.31 ct Emerald

1.30 ct Emerald

1.30 ct Emerald

1.30 ct Emerald

1.29 ct Emerald

1.29 ct Emerald

1.29 ct Emerald

1.28 ct Emerald

1.27 ct Emerald

1.27 ct Emerald

1.26 ct Emerald

1.26 ct Emerald

1.22 ct Emerald

1.11 ct Emerald

1.11 ct Emerald

A more discerning
standard for diamonds.