Cushion|Lab Grown|IGI

1.87ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG839684885

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839684885

Diamond specifications and retailer prices

From $2,562 NZD

£1,137 GBP

As of October 30, 2026

Save $9,048 NZD (78%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $11,609 NZD at Riddles Jewelry · As of October 31, 2026

View at Riddles Jewelry

About this 1.87ct lab-grown cushion diamond

This 1.87ct 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 LG839684885 or 839684885. Listed at 22 retailers as of October 30, 2026, with prices from $2,562 to $11,609, a $9,048 spread on the same certified stone. Riddles Jewelry lists it at $11,609. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.3°

Pavilion angle35.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG839684885

Dimensions8.89 × 6.58 × 4.18 mm

L/W Ratio1.35

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 LG839684885

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

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

Price History

Last verified: Oct 30

Current: $3,434 NZD|Low: $2,259 NZD|High: $11,609 NZD|Avg: $5,470 NZD|+0.4%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

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Retailer 7

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Retailer 9

Retailer 10

Retailer 11

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Retailer 17

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Retailer 19

Retailer 20

Riddles Jewelry

October 31, 2026

Retailer 19$2,259 NZD

Retailer 14$2,562 NZD

Retailer 17$2,564 NZD

Retailer 5$2,566 NZD

Retailer 9$2,770 NZD

Retailer 3$3,114 NZD

Retailer 18$3,144 NZD

Retailer 12$3,247 NZD

Retailer 1$3,434 NZD

Retailer 11$3,864 NZD

Retailer 15$4,153 NZD

Retailer 8$5,533 NZD

Retailer 20$6,026 NZD

Retailer 4$6,246 NZD

Retailer 7$6,848 NZD

Retailer 2$7,201 NZD

Retailer 16$7,673 NZD

Retailer 6$7,898 NZD

Retailer 10$9,469 NZD

Retailer 13$10,894 NZD

Riddles Jewelry$11,609 NZD

29 data points across 21 retailers

22 retailers$2,562 NZD to $11,609 NZD

Retailer 1

$2,259 NZD

$1,273 USD

Price last confirmed 15 days ago

Retailer 2

$2,562 NZD

£1,137 GBP

View

Retailer 3

$2,564 NZD

$1,445 USD

View

Retailer 4

$2,566 NZD

$1,446 USD

View

Final sale: no returns

Retailer 5

$2,770 NZD

$1,561 USD

View

Retailer 6

$3,114 NZD

$1,755 USD

View

B+

Retailer 7

$3,144 NZD

$1,772 USD

View

Retailer 8

$3,247 NZD

£1,441 GBP

View

B+

Retailer 9

$3,434 NZD

€1,843 EUR

View

B+

Retailer 10

$3,864 NZD

$2,178 USD

View

B+

Retailer 11

$4,153 NZD

ZAR 37,815 ZAR

View

B+

Retailer 12

$5,533 NZD

$3,118 USD

View

B+

Retailer 13

$6,026 NZD

$3,396 USD

View

Retailer 14

$6,246 NZD

£2,772 GBP

View

Retailer 15

$6,848 NZD

CA$5,361 CAD

View

Retailer 16

$7,201 NZD

$4,058 USD

View

B+

Retailer 17

$7,673 NZD

£3,405 GBP

View

Retailer 18

$7,898 NZD

$4,451 USD

View

Retailer 19

$9,469 NZD

$5,337 USD

View

Retailer 20

$10,699 NZD

$6,030 USD

View

Retailer 21

$10,894 NZD

$6,140 USD

View

Most Expensive

Riddles Jewelry

1987846133 · Oct 31

$11,609 NZD

$6,543 USD

View

21 more retailers have this diamond

Prices start from $2,562 NZDSave up to $9,048 NZD

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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