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Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG706529079

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

Certificate IGI LG706529079

Diamond specifications and retailer prices

From $588 NZD
$330 USD
As of October 30, 2026
Save $3,917 NZD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,505 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG706529079 or 706529079. Listed at 24 retailers as of October 30, 2026, with prices from $588 to $4,505, a $3,917 spread on the same certified stone. Brilliant Earth lists it at $4,505. 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 angle43.5°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706529079
Dimensions8.52 × 5.73 × 3.61 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.52 mm5.73 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706529079
Side View
Table 64.0%Crown 43.5°Girdle: MED-STKPavilion 30.8°Culet: NoneDepth 63.0%

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: $4,505 NZD|Low: $575 NZD|High: $5,537 NZD|Avg: $2,368 NZD|-18.6%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 10$655 NZD
Retailer 5$728 NZD
Retailer 12$972 NZD
Retailer 17$1,006 NZD
Retailer 7$1,325 NZD
Retailer 16$1,382 NZD
Retailer 2$1,450 NZD
Retailer 21$1,565 NZD
Retailer 8$1,744 NZD
Retailer 13$1,866 NZD
Retailer 20$2,398 NZD
Retailer 3$2,585 NZD
Retailer 4$2,746 NZD
Retailer 11$2,853 NZD
Retailer 9$2,864 NZD
Retailer 14$3,121 NZD
Retailer 15$3,159 NZD
Retailer 19$3,171 NZD
Retailer 18$3,881 NZD
Retailer 6$4,398 NZD
Brilliant Earth$4,505 NZD

42 data points across 21 retailers

24 retailers$588 NZD to $4,505 NZD

A
Cheapest Retailer
-
$588 NZD
$330 USD
A
Retailer 2
-
$655 NZD
$368 USD
View
Final sale: no returns
A
Retailer 3
-
$682 NZD
$383 USD
View
A
Retailer 4
-
$728 NZD
$409 USD
View
A
Retailer 5
-
$728 NZD
$409 USD
View
A
Retailer 6
-
$972 NZD
$546 USD
View
A
Retailer 7
-
$1,006 NZD
$565 USD
View
A
Retailer 8
-
$1,325 NZD
$744 USD
View
A
Retailer 9
-
$1,382 NZD
ZAR 12,535 ZAR
View
A
Retailer 10
-
$1,450 NZD
£641 GBP
View
A
Retailer 11
-
$1,565 NZD
$879 USD
View
A
Retailer 12
-
$1,744 NZD
$979 USD
View
A
Retailer 13
-
$1,866 NZD
A$1,612 AUD
View
B+
Retailer 14
-
$2,398 NZD
CA$1,870 CAD
View
B+
Retailer 15
-
$2,585 NZD
$1,452 USD
View
B+
Retailer 16
-
$2,746 NZD
$1,542 USD
View
B+
Retailer 17
-
$2,853 NZD
$1,603 USD
View
B+
Retailer 18
-
$2,864 NZD
$1,608 USD
View
B
Retailer 19
-
$3,121 NZD
£1,380 GBP
View
B+
Retailer 20
-
$3,159 NZD
£1,397 GBP
View
B
Retailer 21
-
$3,171 NZD
$1,781 USD
View
Retailer 22
-
$3,881 NZD
$2,180 USD
View
Price last confirmed 11 days ago
B
Retailer 23
-
$4,398 NZD
$2,470 USD
View
Most Expensive
B
Brilliant Earth
14294423Y · Oct 30
$4,505 NZD
$2,530 USD
View
23 more retailers have this diamond
Prices start from $588 NZDSave up to $3,917 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
$588 NZD