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 LG842625032

RSD-E5470459EDFC

1.03 ct Emerald

D colorVVS2 clarityIGICVD

RSD Selection Score90/100Evidence partial

$249$242/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG842625032

IGI report LG838602017

RSD-2431B6F0F769

1.02 ct Emerald

D colorVVS2 clarityIGICVD

RSD Selection Score90/100Evidence partial

$249$244/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG838602017

IGI report LG842624876

RSD-3A9233329125

1.01 ct Emerald

D colorVVS2 clarityIGICVD

RSD Selection Score90/100Evidence partial

$249$247/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG842624876

IGI report LG844654465

RSD-D537A6DA1602

5.05 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score89/100Evidence partial

$949$188/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG844654465

IGI report LG854620348

RSD-2C6BE1462498

3.61 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score89/100Evidence partial

$799$221/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG854620348

IGI report LG831657421

RSD-52F12C914277

3.52 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score89/100Evidence partial

$699$199/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG831657421

IGI report LG854620351

RSD-7FFCA356CA98

3.33 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score89/100Evidence partial

$699$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG854620351

IGI report LG817627213

RSD-93A518E18C32

3.11 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score89/100Evidence partial

$649$209/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG817627213

IGI report LG842624586

RSD-45F1B27D7750

2.63 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score89/100Evidence partial

$499$190/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG842624586

IGI report LG854627107

RSD-A56F16101469

2.60 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score89/100Evidence partial

$449$173/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG854627107

IGI report LG802634692

RSD-DB6B282DD5E6

2.56 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$449$175/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG802634692

IGI report LG760531423

RSD-3E521531B631

2.55 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$449$176/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG760531423

IGI report LG839620260

RSD-151CA6DB4147

2.52 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$449$178/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG839620260

IGI report LG844634404

RSD-1BFDBB5D7BEF

2.26 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$449$199/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG844634404

IGI report LG839620212

RSD-F523E1CA4D73

2.10 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$190/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG839620212

IGI report LG842625484

RSD-157DA507F2C2

2.09 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score89/100Evidence partial

$399$191/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG842625484

IGI report LG794689289

RSD-437A8C7C0A84

2.05 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$449$219/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG794689289

IGI report LG814624428

RSD-D3E6B6178C3B

2.05 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$195/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG814624428

IGI report LG816673603

RSD-B3377047DD9C

2.05 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$195/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG816673603

IGI report LG794689287

RSD-B3BFE6A0BA2D

2.03 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$197/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG794689287

IGI report LG838621017

RSD-C212DA18309D

2.01 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$199/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG838621017

IGI report LG841674336

RSD-2DCE0E3236F8

1.95 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$205/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG841674336

IGI report LG813698817

RSD-7F8A3EB91E61

1.92 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$208/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG813698817

IGI report LG764697296

RSD-650272AD1197

1.86 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$215/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG764697296

IGI report LG837679202

RSD-D7BD075DE6BD

1.73 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$231/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG837679202

IGI report LG810648966

RSD-9C8E0E89873A

1.61 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$248/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG810648966

IGI report LG812637393

RSD-47E8C6E7FD7C

1.61 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$248/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG812637393

IGI report LG817668481

RSD-32EB3DE53B9C

1.61 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$248/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG817668481

IGI report LG817698689

RSD-936C3DEC51D3

1.61 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$248/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG817698689

IGI report LG825696017

RSD-E24D812F0B26

1.61 ct Emerald

D colorVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$248/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG825696017

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A more discerning
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1.03 ct Emerald

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3.52 ct Emerald

3.33 ct Emerald

3.11 ct Emerald

2.63 ct Emerald

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A more discerningstandard for diamonds.

Explore selected diamonds

1.03 ct Emerald

1.02 ct Emerald

1.01 ct Emerald

5.05 ct Emerald

3.61 ct Emerald

3.52 ct Emerald

3.33 ct Emerald

3.11 ct Emerald

2.63 ct Emerald

2.60 ct Emerald

2.56 ct Emerald

2.55 ct Emerald

2.52 ct Emerald

2.26 ct Emerald

2.10 ct Emerald

2.09 ct Emerald

2.05 ct Emerald

2.05 ct Emerald

2.05 ct Emerald

2.03 ct Emerald

2.01 ct Emerald

1.95 ct Emerald

1.92 ct Emerald

1.86 ct Emerald

1.73 ct Emerald

1.61 ct Emerald

1.61 ct Emerald

1.61 ct Emerald

1.61 ct Emerald

1.61 ct Emerald

A more discerning
standard for diamonds.