River Stone DiamondsPrivate Consultation

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.

Search a certificate number from any diamond listing. We’ll open the matching River Stone page when it is currently available.

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.

Shape
Choose one or more shapesEach shape enters the collection only after passing its own screening standard.
All shapes
Antique & specialty shapesExplore distinctive outlines that are currently available in the collection.
25 available shapes

Personally screened selection

Find the one that feels inevitable.

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RSD screened color
D-FEvery stone shown meets this color screen.
RSD screened clarity
VS2 or better for fancy colorColorless stones remain IF / VVS1 / VVS2 / VS1.
Reset search

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.

1.89 carat Marquise lab-grown diamond, IGI report LG787602680

RSD Selection Shown first for its screened grade profile

IGI report LG787602680

RSD-C466D48FD0AA

1.89 ct Marquise

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete
$399$211/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG787602680
1.76 carat Marquise lab-grown diamond, IGI report LG844633503

IGI report LG844633503

RSD-94A899B5CE50

1.76 ct Marquise

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete
$399$227/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG844633503
1.72 carat Marquise lab-grown diamond, IGI report LG811670172

IGI report LG811670172

RSD-B328F43109C0

1.72 ct Marquise

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete
$399$232/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG811670172
1.71 carat Marquise lab-grown diamond, IGI report LG788687687

IGI report LG788687687

RSD-68A985B116E8

1.71 ct Marquise

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete
$399$233/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG788687687
1.67 carat Marquise lab-grown diamond, IGI report LG837679232

IGI report LG837679232

RSD-73CB2E9DBB7F

1.67 ct Marquise

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete
$399$239/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG837679232
1.47 carat Marquise lab-grown diamond, IGI report LG793616790

IGI report LG793616790

RSD-1BC81F056BD4

1.47 ct Marquise

E colorVVS2 clarityIGICVD

RSD Selection Score98/100Evidence complete
$349$237/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG793616790
1.07 carat Marquise lab-grown diamond, IGI report LG842624967

IGI report LG842624967

RSD-6D591F8BE990

1.07 ct Marquise

E colorVVS2 clarityIGICVD

RSD Selection Score89/100Evidence partial
$299$279/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG842624967
1.05 carat Marquise lab-grown diamond, IGI report LG843612941

IGI report LG843612941

RSD-E76544C2D0B7

1.05 ct Marquise

E colorVVS2 clarityIGICVD

RSD Selection Score89/100Evidence partial
$299$285/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG843612941
6.03 carat Marquise lab-grown diamond, IGI report LG755523151

IGI report LG755523151

RSD-8E64DBE75A53

6.03 ct Marquise

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete
$1,099$182/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG755523151
6.01 carat Marquise lab-grown diamond, IGI report LG837643337

IGI report LG837643337

RSD-2919F0EAB165

6.01 ct Marquise

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete
$1,099$183/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG837643337
5.02 carat Marquise lab-grown diamond, IGI report LG826694536

IGI report LG826694536

RSD-F028F8A36E32

5.02 ct Marquise

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete
$899$179/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG826694536
4.55 carat Marquise lab-grown diamond, IGI report LG842624752

IGI report LG842624752

RSD-CD8FCB8F078F

4.55 ct Marquise

E colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence partial
$1,099$242/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG842624752
2.07 carat Marquise lab-grown diamond, IGI report LG856663048

IGI report LG856663048

RSD-AD421E25288B

2.07 ct Marquise

E colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence partial
$449$217/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG856663048
2.01 carat Marquise lab-grown diamond, IGI report LG838605464

IGI report LG838605464

RSD-B5389CB3B360

2.01 ct Marquise

E colorVS1 clarityIGICVD

RSD Selection Score88/100Evidence partial
$449$223/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG838605464
1.89 carat Marquise lab-grown diamond, IGI report LG797667833

IGI report LG797667833

RSD-AE1ECB55ECE8

1.89 ct Marquise

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete
$399$211/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG797667833
1.73 carat Marquise lab-grown diamond, IGI report LG837679320

IGI report LG837679320

RSD-832193B432A5

1.73 ct Marquise

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete
$399$231/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG837679320
1.68 carat Marquise lab-grown diamond, IGI report LG742502721

IGI report LG742502721

RSD-FBB185C605BA

1.68 ct Marquise

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete
$399$238/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG742502721
1.65 carat Marquise lab-grown diamond, IGI report LG837678236

IGI report LG837678236

RSD-72CC9B7140DD

1.65 ct Marquise

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete
$399$242/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG837678236
1.59 carat Marquise lab-grown diamond, IGI report LG836633612

IGI report LG836633612

RSD-3BC72EF4AB22

1.59 ct Marquise

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete
$399$251/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG836633612
1.21 carat Marquise lab-grown diamond, IGI report LG844633542

IGI report LG844633542

RSD-675558607371

1.21 ct Marquise

E colorVS1 clarityIGICVD

RSD Selection Score97/100Evidence complete
$349$288/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG844633542
2.78 carat Marquise lab-grown diamond, IGI report LG804662223

IGI report LG804662223

RSD-1649038A76B2

2.78 ct Marquise

F colorVVS1 clarityIGICVD

RSD Selection Score89/100Evidence partial
$749$269/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG804662223
1.57 carat Marquise lab-grown diamond, IGI report LG808607641

IGI report LG808607641

RSD-404C213439A7

1.57 ct Marquise

F colorVVS1 clarityIGICVD

RSD Selection Score98/100Evidence complete
$399$254/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG808607641
11.17 carat Marquise lab-grown diamond, IGI report LG830660462

IGI report LG830660462

RSD-30E3F57AA46A

11.17 ct Marquise

F colorVVS2 clarityIGICVD

RSD Selection Score97/100Evidence complete
$3,399$304/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG830660462
9.09 carat Marquise lab-grown diamond, IGI report LG784663325

IGI report LG784663325

RSD-D059FB7BBCE4

9.09 ct Marquise

F colorVVS2 clarityIGICVD

RSD Selection Score97/100Evidence complete
$1,499$165/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG784663325
5.58 carat Marquise lab-grown diamond, IGI report LG747529341

IGI report LG747529341

RSD-BC6D034B14E8

5.58 ct Marquise

F colorVVS2 clarityIGICVD

RSD Selection Score97/100Evidence complete
$949$170/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG747529341
5.57 carat Marquise lab-grown diamond, IGI report LG844634408

IGI report LG844634408

RSD-F99B4AFD547B

5.57 ct Marquise

F colorVVS2 clarityIGICVD

RSD Selection Score97/100Evidence complete
$949$170/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG844634408
5.57 carat Marquise lab-grown diamond, IGI report LG837669667

IGI report LG837669667

RSD-A054C254F304

5.57 ct Marquise

F colorVVS2 clarityIGICVD

RSD Selection Score88/100Evidence partial
$949$170/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG837669667
5.32 carat Marquise lab-grown diamond, IGI report LG842624744

IGI report LG842624744

RSD-353EB8FA0BC5

5.32 ct Marquise

F colorVVS2 clarityIGICVD

RSD Selection Score88/100Evidence partial
$999$188/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG842624744
5.22 carat Marquise lab-grown diamond, IGI report LG844634380

IGI report LG844634380

RSD-03E535742BD9

5.22 ct Marquise

F colorVVS2 clarityIGICVD

RSD Selection Score97/100Evidence complete
$949$182/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG844634380
4.59 carat Marquise lab-grown diamond, IGI report LG789610940

IGI report LG789610940

RSD-4D6CFE9F56B3

4.59 ct Marquise

F colorVVS2 clarityIGICVD

RSD Selection Score97/100Evidence complete
$949$207/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Preview IGI report LG789610940

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