Cushion|Lab Grown|IGI

1.81ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG836607975

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836607975

Diamond specifications and retailer prices

From $708 USD

As of October 30, 2026

Save $3,592 USD (84%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $4,300 USD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 1.81ct lab-grown cushion diamond

This 1.81ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836607975 or 836607975. Listed at 18 retailers as of October 30, 2026, with prices from $708 to $4,300, a $3,592 spread on the same certified stone. Brilliant Earth lists it at $4,300. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.1°

Pavilion angle38.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG836607975

Dimensions8.58 × 6.15 × 4.16 mm

L/W Ratio1.40

Girdle conditionFaceted

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG836607975

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30

Current: $4,300 USD|Low: $708 USD|High: $5,800 USD|Avg: $2,107 USD|-25.9%

Brilliant Earth

Retailer 2

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Retailer 7

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Retailer 11

Retailer 12

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Retailer 17

Retailer 18

November 1, 2026

Retailer 4$708 USD

Retailer 10$779 USD

Retailer 2$820 USD

Retailer 15$895 USD

Retailer 16$1,186 USD

Retailer 11$1,205 USD

Retailer 12$1,236 USD

Retailer 14$1,332 USD

Retailer 18$1,511 USD

Retailer 13$1,680 USD

Retailer 5$2,256 USD

Retailer 6$2,375 USD

Retailer 3$2,503 USD

Retailer 7$2,565 USD

Retailer 17$3,058 USD

Retailer 9$3,488 USD

Retailer 8$3,520 USD

Brilliant Earth$4,300 USD

27 data points across 18 retailers

18 retailers$708 USD to $4,300 USD

Cheapest Retailer

$708 USD

Final sale: no returns

Retailer 2

$779 USD

View

Price last confirmed 15 days ago

Retailer 3

$820 USD

£645 GBP

View

Retailer 4

$895 USD

View

Retailer 5

$1,186 USD

View

Retailer 6

$1,205 USD

£949 GBP

View

Retailer 7

$1,236 USD

€1,177 EUR

View

Retailer 8

$1,332 USD

ZAR 21,521 ZAR

View

Retailer 9

$1,511 USD

View

Retailer 10

$1,680 USD

View

B+

Retailer 11

$2,256 USD

£1,776 GBP

View

B+

Retailer 12

$2,375 USD

View

B+

Retailer 13

$2,503 USD

View

B+

Retailer 14

$2,565 USD

SGD 3,466 SGD

View

B+

Retailer 15

$3,058 USD

£2,408 GBP

View

Retailer 16

$3,488 USD

View

Retailer 17

$3,520 USD

View

Price last confirmed 10 days ago

Most Expensive

Brilliant Earth

21695260A · Oct 31

$4,300 USD

View

17 more retailers have this diamond

Prices start from $708 USDSave up to $3,592 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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1.81ct Cushion

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