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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 $433 AUD
$304 USD
As of October 27, 2026
Save $1,738 AUD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,252 AUD 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 27, 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 27
Current: $3,252 AUD|Low: $411 AUD|High: $3,295 AUD|Avg: $1,307 AUD|-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 29, 2026
Retailer 3$433 AUD
Retailer 20$502 AUD
Retailer 15$511 AUD
Retailer 6$537 AUD
Retailer 10$537 AUD
Retailer 17$762 AUD
Retailer 8$875 AUD
Retailer 5$910 AUD
Retailer 16$922 AUD
Retailer 2$950 AUD
Retailer 19$986 AUD
Retailer 13$1,250 AUD
Retailer 7$1,379 AUD
Retailer 21$1,587 AUD
Retailer 4$1,724 AUD
Retailer 11$1,791 AUD
Retailer 14$1,981 AUD
Retailer 18$2,153 AUD
Retailer 12$2,158 AUD
Retailer 9$2,171 AUD
Rare Carat$3,252 AUD

37 data points across 21 retailers

24 retailers$433 AUD to $2,171 AUD

A
Cheapest Retailer
-
$433 AUD
$304 USD
A
Retailer 2
-
$502 AUD
$353 USD
View
A
Retailer 3
-
$511 AUD
$359 USD
View
Final sale: no returns
A
Retailer 4
-
$537 AUD
$377 USD
View
A
Retailer 5
-
$537 AUD
$377 USD
View
A
Retailer 6
-
$762 AUD
$535 USD
View
A
Retailer 7
-
$875 AUD
$615 USD
View
A
Retailer 8
-
$910 AUD
$639 USD
View
A
Retailer 9
-
$922 AUD
ZAR 10,460 ZAR
View
A
Retailer 10
-
$950 AUD
£526 GBP
View
A
Retailer 11
-
$986 AUD
€660 EUR
View
A
Retailer 12
-
$1,250 AUD
View
A
Retailer 13
-
$1,379 AUD
$969 USD
View
B+
Retailer 14
-
$1,587 AUD
$1,115 USD
View
B+
Retailer 15
-
$1,724 AUD
$1,211 USD
View
B+
Retailer 16
-
$1,774 AUD
$1,246 USD
View
B+
Retailer 17
-
$1,791 AUD
$1,258 USD
View
B+
Retailer 18
-
$1,981 AUD
$1,392 USD
View
B+
Retailer 19
-
$2,044 AUD
$1,436 USD
View
B+
Retailer 20
-
$2,131 AUD
£1,179 GBP
View
B+
Retailer 21
-
$2,153 AUD
£1,191 GBP
View
B+
Retailer 22
-
$2,158 AUD
View
Price last confirmed 21 days ago
B+
Retailer 23
-
$2,171 AUD
$1,525 USD
View
Most Expensive
B
Rare Carat
13130 · Oct 18
$3,252 AUD
$2,285 USD
View
Price last confirmed 10 days ago
23 more retailers have this diamond
Prices start from $433 AUDSave up to $1,738 AUD

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
$433 AUD