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Radiant|Lab Grown|IGI

1.54ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG700592966

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

Certificate IGI LG700592966

Diamond specifications and retailer prices

From $467 NZD
$263 USD
As of October 30, 2026
Save $3,774 NZD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,241 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG700592966 or 700592966. Listed at 17 retailers as of October 30, 2026, with prices from $467 to $4,241, a $3,774 spread on the same certified stone. Brilliant Earth lists it at $4,241. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700592966
Dimensions8.03 × 5.82 × 3.88 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.03 mm5.82 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700592966
Side View
Table 68.0%Crown 45.1°Girdle: MediumPavilion 37.1°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,241 NZD|Low: $463 NZD|High: $5,270 NZD|Avg: $1,959 NZD|-19.5%
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
October 31, 2026
Retailer 14$467 NZD
Retailer 15$523 NZD
Retailer 13$543 NZD
Retailer 4$710 NZD
Retailer 17$775 NZD
Retailer 10$781 NZD
Retailer 2$1,004 NZD
Retailer 3$1,047 NZD
Retailer 12$1,488 NZD
Retailer 8$1,625 NZD
Retailer 5$1,856 NZD
Retailer 11$2,056 NZD
Retailer 9$2,227 NZD
Retailer 7$2,555 NZD
Retailer 6$3,815 NZD
Retailer 16$4,152 NZD
Brilliant Earth$4,241 NZD

34 data points across 17 retailers

17 retailers$467 NZD to $4,241 NZD

A
Cheapest Retailer
-
$467 NZD
$263 USD
A
Retailer 2
-
$523 NZD
$295 USD
View
Final sale: no returns
A
Retailer 3
-
$543 NZD
$306 USD
View
A
Retailer 4
-
$710 NZD
$400 USD
View
B+
Retailer 5
-
$775 NZD
$437 USD
View
A
Retailer 6
-
$781 NZD
$440 USD
View
A
Retailer 7
-
$1,004 NZD
€539 EUR
View
A
Retailer 8
-
$1,047 NZD
$590 USD
View
A
Retailer 9
-
$1,488 NZD
A$1,290 AUD
View
A
Retailer 10
-
$1,625 NZD
$916 USD
View
A
Retailer 11
-
$1,856 NZD
$1,046 USD
View
B+
Retailer 12
-
$2,056 NZD
$1,159 USD
View
B+
Retailer 13
-
$2,227 NZD
$1,255 USD
View
Retailer 14
-
$2,555 NZD
£1,134 GBP
View
Price last confirmed 10 days ago
Retailer 15
-
$3,815 NZD
$2,150 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
$4,152 NZD
$2,340 USD
View
Most Expensive
B
Brilliant Earth
21403300Y · Oct 31
$4,241 NZD
$2,390 USD
View
16 more retailers have this diamond
Prices start from $467 NZDSave up to $3,774 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
$467 NZD