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Radiant|Lab Grown|IGI

1.54ct E FL Radiant Lab Grown Diamond

VG • E/FL

Diamond specifications and retailer prices

From $702 NZD
$394 USD
As of October 30, 2026
Save $3,616 NZD (84%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,318 NZD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI. Listed at 5 retailers as of October 29, 2026, with prices from $702 to $4,318, a $3,616 spread on the same certified stone. Blue Nile lists it at $4,318. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
E
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.22 × 5.77 × 3.74 mm
L/W Ratio1.42
Top View
8.22 mm5.77 mm1.54 ctE / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
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: $4,318 NZD|Low: $702 NZD|High: $7,423 NZD|Avg: $3,205 NZD|-23.3%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2$702 NZD
Retailer 5$785 NZD
Retailer 3$1,312 NZD
Retailer 4$3,086 NZD
Blue Nile$4,318 NZD
Retailer 6$7,423 NZD

12 data points across 6 retailers

5 retailers$702 NZD to $4,318 NZD

A
Cheapest Retailer
-
$702 NZD
$394 USD
A
Retailer 2
-
$785 NZD
$441 USD
View
A
Retailer 3
-
$1,312 NZD
$737 USD
View
B
Retailer 4
-
$3,086 NZD
$1,733 USD
View
Most Expensive
B
Blue Nile
30352940 · Oct 29
$4,318 NZD
$2,425 USD
View
4 more retailers have this diamond
Prices start from $702 NZDSave up to $3,616 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.

A
1.54ct Radiant
$702 NZD