Radiant|Lab Grown|IGI

2.81ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG818654310

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG818654310

Diamond specifications and retailer prices

From $2,340 NZD

$1,314 USD

As of October 30, 2026

Save $15,964 NZD (87%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $18,304 NZD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 2.81ct lab-grown radiant diamond

This 2.81ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654310 or 818654310. Listed at 21 retailers as of October 29, 2026, with prices from $2,340 to $18,304, a $15,964 spread on the same certified stone. Brilliant Earth lists it at $18,304. 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

2.81

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle47.8°

Pavilion angle36.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818654310

Dimensions9.52 × 6.88 × 4.82 mm

L/W Ratio1.38

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 LG818654310

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: $18,304 NZD|Low: $2,340 NZD|High: $18,321 NZD|Avg: $7,020 NZD|-0.1%

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

October 30, 2026

Retailer 18$2,340 NZD

Retailer 17$2,573 NZD

Retailer 14$2,706 NZD

Retailer 2$3,282 NZD

Retailer 9$3,299 NZD

Retailer 13$3,604 NZD

Retailer 6$3,920 NZD

Retailer 15$4,595 NZD

Retailer 16$5,719 NZD

Retailer 11$5,844 NZD

Retailer 3$6,559 NZD

Retailer 12$7,724 NZD

Retailer 4$7,918 NZD

Retailer 10$7,951 NZD

Retailer 7$8,264 NZD

Retailer 5$8,940 NZD

Retailer 8$10,371 NZD

Brilliant Earth$18,304 NZD

36 data points across 18 retailers

21 retailers$2,340 NZD to $18,304 NZD

Cheapest Retailer

$2,340 NZD

$1,314 USD

Final sale: no returns

Retailer 2

$2,573 NZD

$1,445 USD

View

Retailer 3

$2,706 NZD

$1,520 USD

View

Retailer 4

$2,730 NZD

$1,533 USD

View

Price last confirmed 28 days ago

Retailer 5

$3,095 NZD

$1,738 USD

View

Price last confirmed 32 days ago

Retailer 6

$3,282 NZD

£1,452 GBP

View

Retailer 7

$3,299 NZD

$1,853 USD

View

Price last confirmed 27 days ago

Retailer 8

$3,604 NZD

$2,024 USD

View

Retailer 9

$3,920 NZD

€2,097 EUR

View

Price last confirmed 7 days ago

Retailer 10

$4,595 NZD

$2,581 USD

View

B+

Retailer 11

$5,719 NZD

$3,212 USD

View

B+

Retailer 12

$5,844 NZD

ZAR 53,028 ZAR

View

Retailer 13

$6,184 NZD

$3,473 USD

View

Price last confirmed 29 days ago

B+

Retailer 14

$6,559 NZD

$3,684 USD

View

B+

Retailer 15

$7,724 NZD

£3,416 GBP

View

B+

Retailer 16

$7,918 NZD

$4,447 USD

View

Retailer 17

$7,951 NZD

£3,516 GBP

View

Price last confirmed 25 days ago

B+

Retailer 18

$8,264 NZD

SGD 6,272 SGD

View

B+

Retailer 19

$8,940 NZD

$5,021 USD

View

Retailer 20

$10,371 NZD

$5,825 USD

View

Price last confirmed 8 days ago

Most Expensive

Brilliant Earth

21434055A · Oct 29

$18,304 NZD

$10,280 USD

View

20 more retailers have this diamond

Prices start from $2,340 NZDSave up to $15,964 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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