Radiant|Lab Grown|IGI

2.55ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768629556

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

Certificate IGI LG768629556

Diamond specifications and retailer prices

From $3,861 NZD

HK$17,000 HKD

As of November 1, 2026

Save $9,038 NZD (70%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: $15,616 NZD at Blue Nile · As of October 22, 2026

View at Blue Nile

About this 2.55ct lab-grown radiant diamond

This 2.55ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768629556 or 768629556. Listed at 13 retailers as of October 31, 2026, with a 234% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.55

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.6°

Pavilion angle33.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG768629556

Dimensions10.03 × 6.80 × 4.40 mm

L/W Ratio1.47

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 LG768629556

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: Nov 1

Current: $15,616 NZD|Low: $3,132 NZD|High: $22,642 NZD|Avg: $8,921 NZD|-31.0%

Blue Nile

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

October 30, 2026

Retailer 14$3,132 NZD

Retailer 12$3,703 NZD

Retailer 6$3,861 NZD

Retailer 7$4,376 NZD

Retailer 5$4,613 NZD

Retailer 10$4,898 NZD

Retailer 13$7,459 NZD

Retailer 8$7,796 NZD

Retailer 4$7,963 NZD

Retailer 11$8,772 NZD

Retailer 9$10,096 NZD

Retailer 3$10,807 NZD

Retailer 2$12,899 NZD

Blue Nile$15,616 NZD

34 data points across 14 retailers

13 retailers$3,861 NZD to $12,899 NZD

Retailer 1

$3,132 NZD

$1,765 USD

Price last confirmed 11 days ago

Retailer 2

$3,703 NZD

$2,087 USD

View

Price last confirmed 9 days ago

Retailer 3

$3,861 NZD

HK$17,000 HKD

View

Retailer 4

$4,376 NZD

£1,942 GBP

View

Price last confirmed 10 days ago

Retailer 5

$4,613 NZD

$2,600 USD

View

Price last confirmed 14 days ago

Retailer 6

$7,459 NZD

$4,204 USD

View

Price last confirmed 10 days ago

Retailer 7

$7,796 NZD

ZAR 70,981 ZAR

View

Price last confirmed 13 days ago

Retailer 8

$7,963 NZD

$4,488 USD

View

Price last confirmed 11 days ago

Retailer 9

$8,772 NZD

£3,893 GBP

View

Price last confirmed 11 days ago

Retailer 10

$10,096 NZD

$5,690 USD

View

Price last confirmed 11 days ago

Retailer 11

$10,807 NZD

$6,091 USD

View

Price last confirmed 11 days ago

Retailer 12

$12,899 NZD

$7,270 USD

View

Most Expensive

Blue Nile

29314079 · Oct 22

$15,616 NZD

$8,801 USD

View

Price last confirmed 11 days ago

12 more retailers have this diamond

Prices start from $3,861 NZDSave up to $9,038 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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