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IGI Certified LG838608218 | 1.00 ct E Pear VS1 Lab-Grown Diamond

IGI report LG838608218 · River Stone reference RSD-8EBB9FA25273

Search identifier: LG838608218

1.00 ct E Pear VS1 Lab-Grown Diamond

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River Stone price$249$249/ct

Current price. No artificial markdowns.

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Color
E
Clarity
VS1
Growth method
CVD
Grading lab
IGI
Report number
LG838608218
Cut grade
EX
Polish
EX
Symmetry
EX
Depth
0.0000%RSD selection range 58-72%
Table
63.0000%RSD selection range 53-65%
Fluorescence
NONE
Measurements
8.91 x 5.45 x 3.41Length-to-width ratio 1.635:1 - RSD selection range 1.30-1.80:1 - Within range

Diamond intelligence

Quality analysis, shown honestly.

Score active - partial evidence

This score shows how closely the documented details match River Stone selection standards. It is not a laboratory grade or appraisal.

Shape modelPearMapped from PS
Data readiness13/14 fieldsRequired for this analysis
RSD Selection Score88/100Evidence partial

At a glance

  • The diamond's shape has an established catalog name.
  • Depth percentage is not available in this current record; the score is limited accordingly.
  • The RSD Selection Score is calculated automatically from feed evidence.
How this score is calculatedSix signals, 100 points
Record completeness19/20
Required report details are present.
Polish and symmetry20/20
Reported finish grades are present; an overall cut grade is not required for this shape.
Color fit9/10
Color is compared with the River Stone selection range.
Clarity fit8/10
Clarity is compared with the River Stone selection range.
Shape and proportion evidence22/30
Documented measurements, depth and table are shown as shape-specific evidence.
Image and 360 media10/10
Customer-facing image and 360 media are available.

Proportion check

RSD Pear selection range

This is an RSD screening range for Pear. It helps compare documented proportions; it is not a universal ideal or laboratory cut grade. Bow-tie, shoulder balance, point alignment and outline are reserved for future media analysis.

Depth
Not available
RSD selection range58-72%
Not provided
Table
63.00%
RSD selection range53-65%
Within target
Length-to-width ratio
1.63:1
RSD selection range1.30-1.80:1
Within target
Face-up measurements
8.91 x 5.45 x 3.41
Documented detailMeasured outline
Reported

This score compares the documented details with River Stone selection standards. It is not a laboratory grade or appraisal.

Matched by proportion

Complete the pair.

Potential companions for stud earrings or a balanced two-stone design, ranked by carat, face-up dimensions, color, clarity and finish.

What does "face-up variance" mean?

It is the average percentage difference in visible length and width when the diamonds are viewed from above. It describes apparent size, not depth, total carat weight or facet pattern. Lower is closer, and a matched pair is confirmed by comparing the two stones together.

1.01 carat Pear pairing candidate
85%Strong pairing

Pear pair candidate

1.01 ct Pear

E color, VS1 clarity, IGI

0.01 ct weight difference · 2.1% face-up variance

The dimensions are close enough to compare, but a difference may be visible side by side.

Review match
1.04 carat Pear pairing candidate
76%Worth comparing

Pear pair candidate

1.04 ct Pear

E color, VS1 clarity, IGI

0.04 ct weight difference · 2.6% face-up variance

The dimensions are close enough to compare, but a difference may be visible side by side.

Review match
1.01 carat Pear pairing candidate
71%Worth comparing

Pear pair candidate

1.01 ct Pear

Fancy Vivid Pink color, VS1 clarity, IGI

0.01 ct weight difference · 5.2% face-up variance

The dimensions are close enough to compare, but a difference may be visible side by side.

Review match
1.03 carat Pear pairing candidate
71%Worth comparing

Pear pair candidate

1.03 ct Pear

D color, VVS1 clarity, IGI

0.03 ct weight difference · 2.5% face-up variance

The dimensions are close enough to compare, but a difference may be visible side by side.

Review match
1.05 carat Pear pairing candidate
70%Worth comparing

Pear pair candidate

1.05 ct Pear

D color, VS1 clarity, IGI

0.05 ct weight difference · 3.5% face-up variance

The dimensions are close enough to compare, but a difference may be visible side by side.

Review match
1.04 carat Pear pairing candidate
70%Worth comparing

Pear pair candidate

1.04 ct Pear

E color, VS1 clarity, IGI

0.04 ct weight difference · 3.8% face-up variance

The dimensions are close enough to compare, but a difference may be visible side by side.

Review match

Matching scores narrow the field; they do not replace side-by-side video and certificate review. River Stone Diamonds will personally verify the final pair.

Interactive diamond view

1.00 ct Pear

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