Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780666053

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

Certificate IGI LG780666053

Diamond specifications and retailer prices

From $6,322 NZD

$3,563 USD

As of October 30, 2026

Save $32,766 NZD (84%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: $39,088 NZD at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 4.02ct lab-grown radiant diamond

This 4.02ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780666053 or 780666053. Listed at 15 retailers as of October 30, 2026, with prices from $6,322 to $39,088, a $32,766 spread on the same certified stone. Do Amore Diamonds lists it at $39,088. 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

4.02

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.4°

Pavilion angle34.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780666053

Dimensions11.02 × 7.91 × 5.26 mm

L/W Ratio1.39

Culet sizePointed

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 LG780666053

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: $39,088 NZD|Low: $6,322 NZD|High: $53,584 NZD|Avg: $16,978 NZD|-27.1%

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 31, 2026

Retailer 10$6,322 NZD

Retailer 8$6,867 NZD

Retailer 12$7,440 NZD

Retailer 4$7,461 NZD

Retailer 11$9,276 NZD

Retailer 9$10,234 NZD

Retailer 2$12,311 NZD

Retailer 7$13,573 NZD

Retailer 6$15,665 NZD

Retailer 3$17,949 NZD

Retailer 5$21,771 NZD

Do Amore Diamonds$39,088 NZD

36 data points across 12 retailers

15 retailers$6,322 NZD to $39,088 NZD

Cheapest Retailer

$6,322 NZD

$3,563 USD

Retailer 2

$6,867 NZD

$3,870 USD

View

Retailer 3

$7,440 NZD

$4,193 USD

View

Retailer 4

$7,461 NZD

$4,205 USD

View

Final sale: no returns

Retailer 5

$7,564 NZD

$4,263 USD

View

Price last confirmed 31 days ago

Retailer 6

$7,926 NZD

$4,467 USD

View

Price last confirmed 34 days ago

Retailer 7

$9,276 NZD

$5,228 USD

View

Retailer 8

$10,234 NZD

$5,768 USD

View

Retailer 9

$12,101 NZD

$6,820 USD

View

Price last confirmed 31 days ago

B+

Retailer 10

$12,311 NZD

€6,608 EUR

View

B+

Retailer 11

$13,573 NZD

$7,650 USD

View

B+

Retailer 12

$15,665 NZD

£6,952 GBP

View

B+

Retailer 13

$17,949 NZD

$10,116 USD

View

B+

Retailer 14

$21,771 NZD

$12,270 USD

View

Most Expensive

Do Amore Diamonds

27-15DDAF019 · Oct 31

$39,088 NZD

$22,030 USD

View

14 more retailers have this diamond

Prices start from $6,322 NZDSave up to $32,766 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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