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 LG843639031

RSD-34AA01C58635

1.99 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

$399$201/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG843639031

IGI report LG841674416

RSD-9B4682398C51

1.93 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

$399$207/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG841674416

IGI report LG837679504

RSD-5E340A772452

1.91 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

$399$209/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG837679504

IGI report LG841674410

RSD-5A0CC4D7ED46

1.90 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence complete

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

Preview IGI report LG841674410

IGI report LG636474135

RSD-09C9CDEF366F

1.89 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence complete

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

Preview IGI report LG636474135

IGI report LG837679188

RSD-CC707E151CD3

1.82 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

$399$219/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG837679188

IGI report LG844612469

RSD-A13D73FEF067

1.59 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

$399$251/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG844612469

IGI report LG613347415

RSD-EEF97AA70BB3

1.47 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

$349$237/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG613347415

IGI report LG843613238

RSD-B6F46AEBD0D9

1.34 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score87/100Evidence partial

$299$223/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG843613238

IGI report LG843674968

RSD-C3280BED5075

1.28 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score87/100Evidence partial

$299$234/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG843674968

IGI report LG837679417

RSD-2CF2762B23E1

1.08 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score87/100Evidence partial

$249$231/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG837679417

IGI report LG837679255

RSD-74F2DF5E2C8C

1.05 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

$249$237/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG837679255

IGI report LG843612943

RSD-2BFB844E6702

1.05 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score79/100Evidence partial

$249$237/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG843612943

IGI report LG843674960

RSD-30DC99228725

1.05 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score79/100Evidence partial

$249$237/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG843674960

IGI report LG837678157

RSD-5877A22EC307

1.04 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

$249$239/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG837678157

IGI report LG837679300

RSD-EEF87F238F22

1.03 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

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

Preview IGI report LG837679300

IGI report LG835630979

RSD-D583E6730E93

1.02 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

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

Preview IGI report LG835630979

IGI report LG842634771

RSD-3F1FE44CAE00

1.02 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

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

Preview IGI report LG842634771

IGI report LG841674408

RSD-6D10E5CC7628

1.01 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

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

Preview IGI report LG841674408

IGI report LG783610592

RSD-C4B8B202A0C3

0.67 ct Emerald

F colorVS1 clarityIGICVD

RSD Selection Score96/100Evidence complete

$224$334/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG783610592

IGI report LG710504730

RSD-81355580F794

1.50 ct Emerald

F colorIF clarityIGICVD

RSD Selection Score98/100Evidence complete

$699$466/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG710504730

IGI report LG811636551

RSD-94C9B2D25027

4.10 ct Emerald

Fancy Brown colorVVS2 clarityIGICVD

RSD Selection Score91/100Evidence complete

$2,299$561/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811636551

IGI report LG804657171

RSD-8A47E380FBA1

4.06 ct Emerald

Fancy Brown colorVVS2 clarityIGICVD

RSD Selection Score94/100Evidence complete

$2,199$542/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG804657171

IGI report LG811636548

RSD-7BF9BC38A8E6

3.23 ct Emerald

Fancy Brown colorVVS2 clarityIGICVD

RSD Selection Score85/100Evidence partial

$1,699$526/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811636548

IGI report LG795699924

RSD-D971DA1D4B93

3.09 ct Emerald

Fancy Vivid Brown colorVVS2 clarityIGICVD

RSD Selection Score94/100Evidence complete

$1,699$550/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG795699924

IGI report LG811636558

RSD-B6CE73B5F87E

3.09 ct Emerald

Fancy Brown colorVVS2 clarityIGICVD

RSD Selection Score91/100Evidence complete

$1,599$517/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG811636558

IGI report LG811632115

RSD-AD8D34FC328C

3.08 ct Emerald

Fancy Brown colorVVS2 clarityIGICVD

RSD Selection Score94/100Evidence complete

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

Preview IGI report LG811632115

IGI report LG795699923

RSD-2ECF51445FFE

3.04 ct Emerald

Fancy Vivid Brown colorVVS2 clarityIGICVD

RSD Selection Score94/100Evidence complete

$1,599$526/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG795699923

IGI report LG795699953

RSD-9EF6AF035867

2.14 ct Emerald

Fancy Vivid Brown colorVVS2 clarityIGICVD

RSD Selection Score94/100Evidence complete

$1,399$654/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG795699953

IGI report LG628442573

RSD-EF05B885CD87

1.67 ct Emerald

Fancy Vivid Pink colorVVS2 clarityIGICVD

RSD Selection Score94/100Evidence complete

$699$419/ctCurrent price. No artificial markdowns.Availability confirmed before any order.

Preview IGI report LG628442573

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A more discerning
standard for diamonds.

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1.99 ct Emerald

1.93 ct Emerald

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1.89 ct Emerald

1.82 ct Emerald

1.59 ct Emerald

1.47 ct Emerald

1.34 ct Emerald

1.28 ct Emerald

1.08 ct Emerald

1.05 ct Emerald

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1.01 ct Emerald

0.67 ct Emerald

1.50 ct Emerald

4.10 ct Emerald

4.06 ct Emerald

3.23 ct Emerald

3.09 ct Emerald

3.09 ct Emerald

3.08 ct Emerald

3.04 ct Emerald

2.14 ct Emerald

1.67 ct Emerald

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A more discerningstandard for diamonds.

Explore selected diamonds

1.99 ct Emerald

1.93 ct Emerald

1.91 ct Emerald

1.90 ct Emerald

1.89 ct Emerald

1.82 ct Emerald

1.59 ct Emerald

1.47 ct Emerald

1.34 ct Emerald

1.28 ct Emerald

1.08 ct Emerald

1.05 ct Emerald

1.05 ct Emerald

1.05 ct Emerald

1.04 ct Emerald

1.03 ct Emerald

1.02 ct Emerald

1.02 ct Emerald

1.01 ct Emerald

0.67 ct Emerald

1.50 ct Emerald

4.10 ct Emerald

4.06 ct Emerald

3.23 ct Emerald

3.09 ct Emerald

3.09 ct Emerald

3.08 ct Emerald

3.04 ct Emerald

2.14 ct Emerald

1.67 ct Emerald

A more discerning
standard for diamonds.