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Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG644408295

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

Certificate IGI LG644408295

Diamond specifications and retailer prices

From $541 NZD
$304 USD
As of October 30, 2026
Save $2,174 NZD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,068 NZD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG644408295 or 644408295. Listed at 24 retailers as of October 30, 2026, with a 402% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle40.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644408295
Dimensions8.13 × 5.86 × 3.96 mm
L/W Ratio1.39
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
8.13 mm5.86 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644408295
Side View
Table 61.0%Crown 40.8°Girdle: MediumPavilion 35.8°Culet: NoneDepth 67.6%

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: $4,068 NZD|Low: $515 NZD|High: $4,122 NZD|Avg: $1,636 NZD|-1.3%
Rare Carat
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 3$541 NZD
Retailer 20$629 NZD
Retailer 15$639 NZD
Retailer 6$671 NZD
Retailer 10$671 NZD
Retailer 17$953 NZD
Retailer 8$1,095 NZD
Retailer 5$1,138 NZD
Retailer 16$1,153 NZD
Retailer 2$1,192 NZD
Retailer 19$1,234 NZD
Retailer 13$1,564 NZD
Retailer 7$1,725 NZD
Retailer 21$1,985 NZD
Retailer 4$2,156 NZD
Retailer 11$2,241 NZD
Retailer 14$2,478 NZD
Retailer 18$2,693 NZD
Retailer 12$2,699 NZD
Retailer 9$2,715 NZD
Rare Carat$4,068 NZD

38 data points across 21 retailers

24 retailers$541 NZD to $2,715 NZD

A
Cheapest Retailer
-
$541 NZD
$304 USD
A
Retailer 2
-
$629 NZD
$353 USD
View
A
Retailer 3
-
$639 NZD
$359 USD
View
Final sale: no returns
A
Retailer 4
-
$671 NZD
$377 USD
View
A
Retailer 5
-
$671 NZD
$377 USD
View
A
Retailer 6
-
$953 NZD
$535 USD
View
A
Retailer 7
-
$1,095 NZD
$615 USD
View
A
Retailer 8
-
$1,138 NZD
$639 USD
View
A
Retailer 9
-
$1,153 NZD
ZAR 10,460 ZAR
View
A
Retailer 10
-
$1,192 NZD
£527 GBP
View
A
Retailer 11
-
$1,234 NZD
€660 EUR
View
A
Retailer 12
-
$1,564 NZD
A$1,351 AUD
View
A
Retailer 13
-
$1,725 NZD
$969 USD
View
B+
Retailer 14
-
$1,985 NZD
$1,115 USD
View
B+
Retailer 15
-
$2,156 NZD
$1,211 USD
View
B+
Retailer 16
-
$2,219 NZD
$1,246 USD
View
B+
Retailer 17
-
$2,241 NZD
$1,258 USD
View
B+
Retailer 18
-
$2,478 NZD
$1,392 USD
View
B+
Retailer 19
-
$2,557 NZD
$1,436 USD
View
B+
Retailer 20
-
$2,666 NZD
£1,179 GBP
View
B+
Retailer 21
-
$2,693 NZD
£1,191 GBP
View
Retailer 22
-
$2,699 NZD
A$2,332 AUD
View
Price last confirmed 22 days ago
B+
Retailer 23
-
$2,715 NZD
$1,525 USD
View
Most Expensive
Rare Carat
13130 · Oct 18
$4,068 NZD
$2,285 USD
View
Price last confirmed 11 days ago
23 more retailers have this diamond
Prices start from $541 NZDSave up to $2,174 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
$541 NZD