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Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG657416404

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

Certificate IGI LG657416404

Diamond specifications and retailer prices

From $484 NZD
$272 USD
As of October 27, 2026
Save $5,705 NZD (92%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,189 NZD at Yadav Diamonds · As of October 29, 2026
View at Yadav Diamonds

About this 1.59ct lab-grown radiant diamond

This 1.59ct 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 LG657416404 or 657416404. Listed at 22 retailers as of October 27, 2026, with prices from $484 to $6,189, a $5,705 spread on the same certified stone. Yadav Diamonds lists it at $6,189. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657416404
Dimensions8.16 × 5.67 × 3.89 mm
L/W Ratio1.44
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
Top View
8.16 mm5.67 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657416404
Side View
Table 65.0%Crown 47.2°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: $1,172 NZD|Low: $484 NZD|High: $5,502 NZD|Avg: $1,747 NZD|-6.4%
Retailer 1
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
Retailer 19
October 29, 2026
Retailer 10$484 NZD
Retailer 4$541 NZD
Retailer 2$561 NZD
Retailer 8$600 NZD
Retailer 15$600 NZD
Retailer 19$801 NZD
Retailer 14$881 NZD
Retailer 13$1,138 NZD
Retailer 1$1,172 NZD
Retailer 18$1,205 NZD
Retailer 3$1,544 NZD
Retailer 12$1,544 NZD
Retailer 17$1,713 NZD
Retailer 7$2,129 NZD
Retailer 6$2,308 NZD
Retailer 9$2,422 NZD
Retailer 16$2,659 NZD
Retailer 5$4,291 NZD
Retailer 11$5,306 NZD

26 data points across 19 retailers

22 retailers$484 NZD to $6,189 NZD

A+
Cheapest Retailer
-
$484 NZD
$272 USD
A
Retailer 2
-
$541 NZD
$304 USD
View
Final sale: no returns
A
Retailer 3
-
$561 NZD
$315 USD
View
A
Retailer 4
-
$600 NZD
$337 USD
View
A
Retailer 5
-
$600 NZD
$337 USD
View
B+
Retailer 6
-
$801 NZD
$450 USD
View
A
Retailer 7
-
$881 NZD
$495 USD
View
A
Retailer 8
-
$1,138 NZD
ZAR 10,328 ZAR
View
A
Retailer 9
-
$1,172 NZD
£518 GBP
View
A
Retailer 10
-
$1,205 NZD
$677 USD
View
A
Retailer 11
-
$1,544 NZD
$867 USD
View
A
Retailer 12
-
$1,544 NZD
A$1,334 AUD
View
A
Retailer 13
-
$1,713 NZD
$962 USD
View
B+
Retailer 14
-
$2,129 NZD
$1,196 USD
View
B+
Retailer 15
-
$2,308 NZD
$1,296 USD
View
B+
Retailer 16
-
$2,422 NZD
$1,360 USD
View
B+
Retailer 17
-
$2,558 NZD
£1,131 GBP
View
B+
Retailer 18
-
$2,659 NZD
£1,176 GBP
View
B+
Retailer 19
-
$4,291 NZD
$2,410 USD
View
B
Retailer 20
-
$5,306 NZD
$2,980 USD
View
B
Retailer 21
-
$5,804 NZD
$3,260 USD
View
Most Expensive
B
Yadav Diamonds
13004489 · Oct 29
$6,189 NZD
$3,476 USD
View
21 more retailers have this diamond
Prices start from $484 NZDSave up to $5,705 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+
1.59ct Radiant
$484 NZD