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 LG795699996

RSD-71E3FDA2B236

1.42 ct Emerald

Fancy Brown colorVVS2 clarityIGICVD

RSD Selection Score94/100Evidence complete

$849$598/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG795699996

IGI report LG795699990

RSD-9D204D6C5FD0

1.20 ct Emerald

Fancy Vivid Brown colorVVS2 clarityIGICVD

RSD Selection Score86/100Evidence complete

$749$624/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG795699990

IGI report LG811622125

RSD-D4115EE810C5

1.11 ct Emerald

Fancy Brown colorVVS2 clarityIGICVD

RSD Selection Score91/100Evidence complete

$699$630/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811622125

IGI report LG811622101

RSD-A0ACE6D63983

1.05 ct Emerald

Fancy Brown colorVVS2 clarityIGICVD

RSD Selection Score94/100Evidence complete

$649$618/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811622101

IGI report LG811622127

RSD-09625BE7C2E8

1.04 ct Emerald

Fancy Brown colorVVS2 clarityIGICVD

RSD Selection Score94/100Evidence complete

$649$624/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811622127

IGI report LG821674289

RSD-ED8996597228

1.04 ct Emerald

Fancy Brown colorVVS2 clarityIGICVD

RSD Selection Score94/100Evidence complete

$649$624/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG821674289

IGI report LG811622115

RSD-BA8C51911B27

1.03 ct Emerald

Fancy Brown colorVVS2 clarityIGICVD

RSD Selection Score91/100Evidence complete

$649$630/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811622115

IGI report LG811622106

RSD-BBFADAB4C575

1.03 ct Emerald

Fancy Brown colorVVS2 clarityIGICVD

RSD Selection Score94/100Evidence complete

$649$630/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811622106

IGI report LG811636552

RSD-08524095F7DF

5.04 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score90/100Evidence complete

$2,999$595/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811636552

IGI report LG811636555

RSD-05D370C855EA

3.08 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score90/100Evidence complete

$1,599$519/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811636555

IGI report LG811636557

RSD-6A9CF23DB61C

3.08 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score90/100Evidence complete

$1,599$519/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811636557

IGI report LG811636518

RSD-1C74E59B83D3

2.08 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score90/100Evidence complete

$1,099$528/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811636518

IGI report LG811636513

RSD-A68FCD8899E8

2.08 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score90/100Evidence complete

$1,099$528/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811636513

IGI report LG811636511

RSD-B131DC3C1D4F

2.04 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score81/100Evidence partial

$1,099$539/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811636511

IGI report LG811636519

RSD-553EDCAD9759

2.03 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score81/100Evidence partial

$1,099$541/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811636519

IGI report LG797604677

RSD-5C7C44B34979

2.00 ct Emerald

Fancy Vivid Brown colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete

$1,199$600/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG797604677

IGI report LG795699987

RSD-596DE22F6B62

1.67 ct Emerald

Fancy Vivid Brown colorVS1 clarityIGICVD

RSD Selection Score85/100Evidence complete

$899$538/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG795699987

IGI report LG811636523

RSD-F8570432A1A0

1.60 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete

$899$562/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811636523

IGI report LG650493073

RSD-491EF69C66DD

1.59 ct Emerald

Fancy Vivid Pink colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete

$799$503/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG650493073

IGI report LG631421080

RSD-1C084D5BEC9F

1.56 ct Emerald

Fancy Intense Pink colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete

$599$384/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG631421080

IGI report LG795699989

RSD-679DF890AAF3

1.53 ct Emerald

Fancy Vivid Brown colorVS1 clarityIGICVD

RSD Selection Score85/100Evidence complete

$849$555/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG795699989

IGI report LG811636515

RSD-76A4A96B3EC1

1.51 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete

$849$562/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811636515

IGI report LG650493072

RSD-9208C2BF19FD

1.39 ct Emerald

Fancy Vivid Pink colorVS1 clarityIGICVD

RSD Selection Score85/100Evidence complete

$799$575/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG650493072

IGI report LG795699994

RSD-A366C23A35B5

1.28 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score85/100Evidence complete

$749$585/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG795699994

IGI report LG795699991

RSD-4C6DAB1928B7

1.10 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete

$649$590/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG795699991

IGI report LG811622135

RSD-4A64A250B097

1.10 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete

$649$590/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811622135

IGI report LG811622104

RSD-1FA20312A5C2

1.07 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete

$649$607/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811622104

IGI report LG811622109

RSD-209000467238

1.04 ct Emerald

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete

$649$624/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811622109

IGI report LG795699971

RSD-14C3DC21D295

1.01 ct Emerald

Fancy Intense Brown colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete

$599$593/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG795699971

IGI report LG747572330

RSD-149FF873DE86

0.74 ct Emerald

Fancy Vivid Green colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete

$349$472/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG747572330

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A more discerning
standard for diamonds.

Find the one that feels inevitable.

Explore selected diamonds

1.42 ct Emerald

1.20 ct Emerald

1.11 ct Emerald

1.05 ct Emerald

1.04 ct Emerald

1.04 ct Emerald

1.03 ct Emerald

1.03 ct Emerald

5.04 ct Emerald

3.08 ct Emerald

3.08 ct Emerald

2.08 ct Emerald

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2.04 ct Emerald

2.03 ct Emerald

2.00 ct Emerald

1.67 ct Emerald

1.60 ct Emerald

1.59 ct Emerald

1.56 ct Emerald

1.53 ct Emerald

1.51 ct Emerald

1.39 ct Emerald

1.28 ct Emerald

1.10 ct Emerald

1.10 ct Emerald

1.07 ct Emerald

1.04 ct Emerald

1.01 ct Emerald

0.74 ct Emerald

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A more discerningstandard for diamonds.

Explore selected diamonds

1.42 ct Emerald

1.20 ct Emerald

1.11 ct Emerald

1.05 ct Emerald

1.04 ct Emerald

1.04 ct Emerald

1.03 ct Emerald

1.03 ct Emerald

5.04 ct Emerald

3.08 ct Emerald

3.08 ct Emerald

2.08 ct Emerald

2.08 ct Emerald

2.04 ct Emerald

2.03 ct Emerald

2.00 ct Emerald

1.67 ct Emerald

1.60 ct Emerald

1.59 ct Emerald

1.56 ct Emerald

1.53 ct Emerald

1.51 ct Emerald

1.39 ct Emerald

1.28 ct Emerald

1.10 ct Emerald

1.10 ct Emerald

1.07 ct Emerald

1.04 ct Emerald

1.01 ct Emerald

0.74 ct Emerald

A more discerning
standard for diamonds.