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 supplier listing. We’ll open the matching River Stone page when it is currently available.

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.
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Screened collection

Explore selected diamonds

Showing all 4,845 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.

3.38 carat Cushion lab-grown diamond

RSD Selection Shown first for its screened grade profile

RSD-1160AE525408

3.38 ct Cushion

Fancy Vivid Green colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$2,099$621/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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3.13 carat Cushion lab-grown diamond

RSD-89996CEBEDE0

3.13 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$1,599$511/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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3.08 carat Cushion lab-grown diamond

RSD-F62584B67A1B

3.08 ct Cushion

Fancy Vivid Pink colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$1,399$454/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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3.07 carat Cushion lab-grown diamond

RSD-04A0670044DC

3.07 ct Cushion

Fancy Vivid Pink colorVS1 clarityIGICVD

RSD Selection Score90/100Evidence complete
$1,399$456/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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3.06 carat Cushion lab-grown diamond

RSD-1C3B7426E331

3.06 ct Cushion

Fancy Vivid Pink colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$1,399$457/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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3.05 carat Cushion lab-grown diamond

RSD-3019D27EFB99

3.05 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$1,599$524/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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3.02 carat Cushion lab-grown diamond

RSD-C949FAC9A9E5

3.02 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score85/100Evidence complete
$1,599$529/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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3.01 carat Cushion lab-grown diamond

RSD-6B68953AEB13

3.01 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$1,499$498/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.9 carat Cushion lab-grown diamond

RSD-8F5C08D915AC

2.90 ct Cushion

Fancy Vivid Green colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$1,499$517/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.71 carat Cushion lab-grown diamond

RSD-64DCA693D592

2.71 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score85/100Evidence complete
$949$350/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.6 carat Cushion lab-grown diamond

RSD-64D3ACE40912

2.60 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score74/100Evidence partial
$749$288/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.55 carat Cushion lab-grown diamond

RSD-5CCD1FB1F92C

2.55 ct Cushion

Fancy Vivid Brown colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$1,299$509/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.51 carat Cushion lab-grown diamond

RSD-F39C0E6D0A70

2.51 ct Cushion

Fancy Vivid Yellow colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$1,199$478/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.44 carat Cushion lab-grown diamond

RSD-74199C90C07D

2.44 ct Cushion

Fancy Vivid Green colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$1,199$491/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.44 carat Cushion lab-grown diamond

RSD-B29AB2317EB4

2.44 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score74/100Evidence partial
$749$307/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.27 carat Cushion lab-grown diamond

RSD-8C638AABC5A6

2.27 ct Cushion

Fancy Vivid Green colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$1,099$484/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.17 carat Cushion lab-grown diamond

RSD-60A434A597AF

2.17 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score74/100Evidence partial
$649$299/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.07 carat Cushion lab-grown diamond

RSD-A49E9CC95A64

2.07 ct Cushion

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score85/100Evidence complete
$1,099$531/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.06 carat Cushion lab-grown diamond

RSD-09518238C681

2.06 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score74/100Evidence partial
$649$315/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.04 carat Cushion lab-grown diamond

RSD-CF25A22BD571

2.04 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score74/100Evidence partial
$649$318/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2.01 carat Cushion lab-grown diamond

RSD-4062CE79A19A

2.01 ct Cushion

Fancy Vivid Yellow colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$849$422/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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2 carat Cushion lab-grown diamond

RSD-E8A7840D7EAC

2.00 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score74/100Evidence partial
$599$300/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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1.59 carat Cushion lab-grown diamond

RSD-7959198ED6B4

1.59 ct Cushion

Fancy Light Brown colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$999$628/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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1.54 carat Cushion lab-grown diamond

RSD-7F4F344CCC5A

1.54 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$649$421/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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1.53 carat Cushion lab-grown diamond

RSD-5CDD4D7ED4E7

1.53 ct Cushion

Fancy Brown colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$799$522/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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1.52 carat Cushion lab-grown diamond

RSD-49AC512C591C

1.52 ct Cushion

Fancy Vivid Yellow colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$549$361/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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1.51 carat Cushion lab-grown diamond

RSD-9311747E5C44

1.51 ct Cushion

Fancy Vivid Pink colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$849$562/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Review this diamond ↗
1.47 carat Cushion lab-grown diamond

RSD-A1C807BF6EBA

1.47 ct Cushion

Fancy Vivid Yellow colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$549$373/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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1.46 carat Cushion lab-grown diamond

RSD-A46D6966A1DB

1.46 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$599$410/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
Review this diamond ↗
1.32 carat Cushion lab-grown diamond

RSD-10737196AC38

1.32 ct Cushion

Fancy Intense Yellow colorVS1 clarityIGICVD

RSD Selection Score93/100Evidence complete
$399$302/ctCurrent price. No artificial markdowns.Availability confirmed before any order.
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