Round|Lab Grown|IGI

3.42ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825634506

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825634506

Diamond specifications and retailer prices

From $3,286 NZD

$1,852 USD

As of October 31, 2026

Save $11,671 NZD (78%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $14,957 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 3.42ct lab-grown round diamond

This 3.42ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825634506 or 825634506. Listed at 21 retailers as of October 31, 2026, with prices from $3,286 to $14,957, a $11,671 spread on the same certified stone. Brilliant Earth lists it at $14,957. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.42

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG825634506

Dimensions9.68 × 9.73 × 5.97 mm

L/W Ratio1.01

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 LG825634506

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 31

Current: $14,957 NZD|Low: $2,818 NZD|High: $15,490 NZD|Avg: $6,523 NZD|-3.4%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Retailer 18

November 1, 2026

Retailer 4$2,935 NZD

Retailer 10$3,286 NZD

Retailer 6$3,405 NZD

Retailer 9$3,405 NZD

Retailer 13$3,708 NZD

Retailer 11$4,152 NZD

Retailer 12$4,766 NZD

Retailer 3$5,119 NZD

Retailer 8$5,121 NZD

Retailer 14$5,295 NZD

Retailer 16$5,380 NZD

Retailer 15$7,905 NZD

Retailer 17$8,758 NZD

Retailer 5$8,853 NZD

Retailer 2$9,721 NZD

Retailer 7$10,350 NZD

Retailer 18$11,932 NZD

Brilliant Earth$14,957 NZD

28 data points across 18 retailers

21 retailers$3,286 NZD to $14,957 NZD

Retailer 1

$2,935 NZD

$1,654 USD

Price last confirmed 22 days ago

Retailer 2

$3,286 NZD

$1,852 USD

View

Final sale: no returns

Retailer 3

$3,405 NZD

$1,919 USD

View

Price last confirmed 20 days ago

Retailer 4

$3,405 NZD

$1,919 USD

View

Price last confirmed 30 days ago

Retailer 5

$3,708 NZD

$2,090 USD

View

Retailer 6

$3,914 NZD

$2,206 USD

View

Retailer 7

$4,152 NZD

£1,842 GBP

View

Retailer 8

$4,766 NZD

£2,115 GBP

View

Retailer 9

$5,119 NZD

$2,885 USD

View

Retailer 10

$5,121 NZD

$2,886 USD

View

Retailer 11

$5,295 NZD

$2,984 USD

View

Retailer 12

$5,380 NZD

€2,888 EUR

View

Retailer 13

$6,380 NZD

$3,596 USD

View

Price last confirmed 25 days ago

B+

Retailer 14

$7,905 NZD

ZAR 71,973 ZAR

View

B+

Retailer 15

$8,758 NZD

$4,936 USD

View

B+

Retailer 16

$8,853 NZD

$4,990 USD

View

B+

Retailer 17

$9,721 NZD

£4,314 GBP

View

Retailer 18

$10,350 NZD

$5,833 USD

View

B+

Retailer 19

$11,932 NZD

$6,725 USD

View

Retailer 20

$11,949 NZD

$6,735 USD

View

Most Expensive

Brilliant Earth

21580661A · Oct 31

$14,957 NZD

$8,430 USD

View

20 more retailers have this diamond

Prices start from $3,286 NZDSave up to $11,671 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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