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 5,092 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 LG781630370

RSD-EE68DA65FCA5

1.53 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$261/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG781630370

IGI report LG784658335

RSD-C4E3941C08E0

1.53 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$261/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG784658335

IGI report LG789634708

RSD-A46D73CDB39A

1.53 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$261/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG789634708

IGI report LG792692070

RSD-C6DE9D71FE17

1.53 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$261/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG792692070

IGI report LG800654380

RSD-103DCDE64100

1.53 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$261/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG800654380

IGI report LG809624100

RSD-53B05414AE21

1.53 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$261/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG809624100

IGI report LG833628131

RSD-E3746F87C623

1.53 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$261/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG833628131

IGI report LG821693965

RSD-3EAC60FB8DD2

1.52 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$399$263/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG821693965

IGI report LG788687719

RSD-13A284C84018

1.46 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$239/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG788687719

IGI report LG784657883

RSD-B1680AE2E2E7

1.45 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

$349$241/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG784657883

IGI report LG843613275

RSD-D9607D567263

1.45 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score89/100Evidence partial

$349$241/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG843613275

IGI report LG825695953

RSD-8BEE91630536

1.42 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

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

Preview IGI report LG825695953

IGI report LG843675000

RSD-D3705E5BE9B3

1.41 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete

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

Preview IGI report LG843675000

IGI report LG838602613

RSD-874B1AF48A2F

1.24 ct Oval

E colorVVS2 clarityIGICVD

RSD Selection Score89/100Evidence partial

$349$281/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG838602613

IGI report LG775608971

RSD-85C222CC1602

8.11 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$1,599$197/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG775608971

IGI report LG839619452

RSD-E653378A2CD7

5.60 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$1,099$196/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG839619452

IGI report LG839606965

RSD-12D01E224D73

5.54 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$999$180/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG839606965

IGI report LG821667640

RSD-93999CF10980

4.58 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence partial

$899$196/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG821667640

IGI report LG851642708

RSD-155D78D14C49

4.35 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence partial

$799$184/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG851642708

IGI report LG835648383

RSD-05E1FFD4D798

4.09 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence partial

$699$171/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG835648383

IGI report LG839619446

RSD-960A3F922C56

4.07 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$699$172/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG839619446

IGI report LG835617605

RSD-CBF8CCFFAD4C

4.05 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$699$173/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG835617605

IGI report LG839606884

RSD-7F508BC11C4D

3.52 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$649$184/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG839606884

IGI report LG843643638

RSD-110D13B13DD9

3.39 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence partial

$649$191/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG843643638

IGI report LG781602652

RSD-9F0E2AAE4CBD

2.91 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$549$189/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG781602652

IGI report LG853647900

RSD-51A77159241D

2.54 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence partial

$499$196/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG853647900

IGI report LG851642859

RSD-EEA072982DD5

2.26 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence partial

$499$221/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG851642859

IGI report LG842624930

RSD-576FE5FEC408

1.86 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence partial

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

Preview IGI report LG842624930

IGI report LG842624887

RSD-E9A64BDAB10E

1.74 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence partial

$399$229/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG842624887

IGI report LG843638894

RSD-B604D6AB78F2

1.44 ct Oval

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$349$242/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG843638894

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A more discerning
standard for diamonds.

Find the one that feels inevitable.

Explore selected diamonds

1.53 ct Oval

1.53 ct Oval

1.53 ct Oval

1.53 ct Oval

1.53 ct Oval

1.53 ct Oval

1.53 ct Oval

1.52 ct Oval

1.46 ct Oval

1.45 ct Oval

1.45 ct Oval

1.42 ct Oval

1.41 ct Oval

1.24 ct Oval

8.11 ct Oval

5.60 ct Oval

5.54 ct Oval

4.58 ct Oval

4.35 ct Oval

4.09 ct Oval

4.07 ct Oval

4.05 ct Oval

3.52 ct Oval

3.39 ct Oval

2.91 ct Oval

2.54 ct Oval

2.26 ct Oval

1.86 ct Oval

1.74 ct Oval

1.44 ct Oval

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A more discerningstandard for diamonds.

Explore selected diamonds

1.53 ct Oval

1.53 ct Oval

1.53 ct Oval

1.53 ct Oval

1.53 ct Oval

1.53 ct Oval

1.53 ct Oval

1.52 ct Oval

1.46 ct Oval

1.45 ct Oval

1.45 ct Oval

1.42 ct Oval

1.41 ct Oval

1.24 ct Oval

8.11 ct Oval

5.60 ct Oval

5.54 ct Oval

4.58 ct Oval

4.35 ct Oval

4.09 ct Oval

4.07 ct Oval

4.05 ct Oval

3.52 ct Oval

3.39 ct Oval

2.91 ct Oval

2.54 ct Oval

2.26 ct Oval

1.86 ct Oval

1.74 ct Oval

1.44 ct Oval

A more discerning
standard for diamonds.