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 5,084 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 LG738520816

RSD-39E3995F8F87

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score69/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG738520816

IGI report LG764616529

RSD-BF537A0CBCA8

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG764616529

IGI report LG764616534

RSD-BF40BCEFCC46

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG764616534

IGI report LG764616536

RSD-7230F8F54A6A

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG764616536

IGI report LG764697544

RSD-6893D23FBEF5

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG764697544

IGI report LG764697547

RSD-2490A6C64D9D

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG764697547

IGI report LG764697543

RSD-547CFCF12EAB

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG764697543

IGI report LG778616166

RSD-421F54701211

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG778616166

IGI report LG784657874

RSD-8F51E89CDEC4

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG784657874

IGI report LG784656231

RSD-1BA27B984B0C

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG784656231

IGI report LG784656232

RSD-9EF24878AE73

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG784656232

IGI report LG784656246

RSD-396F169FCD28

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG784656246

IGI report LG787602674

RSD-909F96B6DBD4

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG787602674

IGI report LG801620093

RSD-73B052F61B35

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG801620093

IGI report LG809623854

RSD-088E1D9C0A2C

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG809623854

IGI report LG808616731

RSD-2D0BF4A62DF4

1.90 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$210/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG808616731

IGI report LG747572092

RSD-A862E31897A9

1.89 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score69/100Evidence partial

$399$211/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG747572092

IGI report LG747572099

RSD-8DD5C876BD59

1.89 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score69/100Evidence partial

$399$211/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG747572099

IGI report LG747572370

RSD-960E4A3ADE24

1.89 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score69/100Evidence partial

$399$211/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG747572370

IGI report LG764616533

RSD-4F16B16AB5FF

1.89 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$211/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG764616533

IGI report LG764695829

RSD-6C8E4B332652

1.89 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$211/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG764695829

IGI report LG784657876

RSD-4E241612085E

1.89 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$211/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG784657876

IGI report LG784656236

RSD-CFD55108EBA7

1.89 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$211/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG784656236

IGI report LG797636439

RSD-79397AAE2B5A

1.89 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$211/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG797636439

IGI report LG801620077

RSD-45FBEC37DD26

1.89 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$211/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG801620077

IGI report LG711530611

RSD-5E92B639996A

1.88 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$212/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG711530611

IGI report LG715571246

RSD-3C882E758042

1.88 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence partial

$399$212/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG715571246

IGI report LG719504763

RSD-197762C36A95

1.88 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score69/100Evidence partial

$399$212/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG719504763

IGI report LG719506603

RSD-213C810FEA23

1.88 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score69/100Evidence partial

$399$212/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG719506603

IGI report LG720583801

RSD-0AD396161AA7

1.88 ct Round

E colorVVS2 clarityIGICVD

RSD Selection Score69/100Evidence partial

$399$212/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG720583801

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A more discerning
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A more discerningstandard for diamonds.

Explore selected diamonds

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.90 ct Round

1.89 ct Round

1.89 ct Round

1.89 ct Round

1.89 ct Round

1.89 ct Round

1.89 ct Round

1.89 ct Round

1.89 ct Round

1.89 ct Round

1.88 ct Round

1.88 ct Round

1.88 ct Round

1.88 ct Round

1.88 ct Round

A more discerning
standard for diamonds.