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 LG735527024

RSD-50095195877A

4.31 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$1,999$464/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG735527024

IGI report LG756547920

RSD-1B73DF32D34F

4.29 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$1,499$349/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG756547920

IGI report LG795651858

RSD-9726B268D972

4.23 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$1,399$331/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG795651858

IGI report LG780694392

RSD-C898A930A0E1

4.22 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$1,399$332/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG780694392

IGI report LG758536471

RSD-4A642EA48615

4.11 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$1,399$340/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG758536471

IGI report LG809644009

RSD-082A5E27DB8E

4.01 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score91/100Evidence partial

$1,699$424/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG809644009

IGI report LG764662945

RSD-2C210E117183

3.73 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$1,299$348/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG764662945

IGI report LG842626737

RSD-5FE8D52C4A80

3.25 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score91/100Evidence partial

$1,199$369/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG842626737

IGI report LG769670865

RSD-666CE3A78437

3.10 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$999$322/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG769670865

IGI report LG775642313

RSD-2051843E09DA

3.10 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$999$322/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG775642313

IGI report LG844634300

RSD-DB33EB03227C

2.89 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$999$346/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG844634300

IGI report LG782644545

RSD-F1B394A2792A

2.65 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$949$358/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG782644545

IGI report LG792685166

RSD-E147F02B35B3

2.54 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$899$354/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG792685166

IGI report LG783668708

RSD-095BA2D382A9

2.38 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$799$336/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG783668708

IGI report LG756594046

RSD-6BF65D1FD9AD

2.18 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$749$344/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG756594046

IGI report LG816650240

RSD-78F9571F0D5B

2.16 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$749$347/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG816650240

IGI report LG771607790

RSD-FFEA8D74E134

2.15 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$749$348/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG771607790

IGI report LG821606666

RSD-C8C3CCE0A961

2.15 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$749$348/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG821606666

IGI report LG787645331

RSD-1F956104BC5D

2.14 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$749$350/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG787645331

IGI report LG790693076

RSD-EF6BAFE2FB97

2.11 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$699$331/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG790693076

IGI report LG821659899

RSD-657BED70E69F

2.11 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$699$331/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG821659899

IGI report LG741566128

RSD-DC1D414605E7

1.95 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$549$282/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG741566128

IGI report LG763674605

RSD-A6E029F576CC

1.90 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$549$289/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG763674605

IGI report LG711521124

RSD-D6C18B45F218

1.89 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$549$290/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG711521124

IGI report LG715516969

RSD-24BF656B4C23

1.89 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$549$290/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG715516969

IGI report LG711521119

RSD-94286D055333

1.88 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$549$292/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG711521119

IGI report LG753501297

RSD-295F1EF7C869

1.88 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$549$292/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG753501297

IGI report LG654432219

RSD-A9450B3472EB

1.82 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$549$302/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG654432219

IGI report LG711521116

RSD-97791A87DA96

1.81 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$549$303/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG711521116

IGI report LG749566357

RSD-67AAC9FDC252

1.80 ct Old Mine

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete

$649$361/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG749566357

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A more discerning
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A more discerningstandard for diamonds.

Explore selected diamonds

4.31 ct Old Mine

4.29 ct Old Mine

4.23 ct Old Mine

4.22 ct Old Mine

4.11 ct Old Mine

4.01 ct Old Mine

3.73 ct Old Mine

3.25 ct Old Mine

3.10 ct Old Mine

3.10 ct Old Mine

2.89 ct Old Mine

2.65 ct Old Mine

2.54 ct Old Mine

2.38 ct Old Mine

2.18 ct Old Mine

2.16 ct Old Mine

2.15 ct Old Mine

2.15 ct Old Mine

2.14 ct Old Mine

2.11 ct Old Mine

2.11 ct Old Mine

1.95 ct Old Mine

1.90 ct Old Mine

1.89 ct Old Mine

1.89 ct Old Mine

1.88 ct Old Mine

1.88 ct Old Mine

1.82 ct Old Mine

1.81 ct Old Mine

1.80 ct Old Mine

A more discerning
standard for diamonds.