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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 $389 SGD
$304 USD
As of October 30, 2026
Save $1,561 SGD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,921 SGD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,921 SGD|Low: $369 SGD|High: $2,959 SGD|Avg: $1,174 SGD|-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
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
October 30, 2026
Retailer 3$389 SGD
Retailer 20$451 SGD
Retailer 15$459 SGD
Retailer 6$482 SGD
Retailer 10$482 SGD
Retailer 17$684 SGD
Retailer 8$786 SGD
Retailer 5$817 SGD
Retailer 16$828 SGD
Retailer 2$856 SGD
Retailer 19$886 SGD
Retailer 13$1,123 SGD
Retailer 7$1,239 SGD
Retailer 21$1,425 SGD
Retailer 4$1,548 SGD
Retailer 11$1,609 SGD
Retailer 14$1,780 SGD
Retailer 18$1,934 SGD
Retailer 12$1,938 SGD
Retailer 9$1,950 SGD
Rare Carat$2,921 SGD

38 data points across 21 retailers

24 retailers$389 SGD to $1,950 SGD

A
Cheapest Retailer
-
$389 SGD
$304 USD
A
Retailer 2
-
$451 SGD
$353 USD
View
A
Retailer 3
-
$459 SGD
$359 USD
View
Final sale: no returns
A
Retailer 4
-
$482 SGD
$377 USD
View
A
Retailer 5
-
$482 SGD
$377 USD
View
A
Retailer 6
-
$684 SGD
$535 USD
View
A
Retailer 7
-
$786 SGD
$615 USD
View
A
Retailer 8
-
$817 SGD
$639 USD
View
A
Retailer 9
-
$828 SGD
ZAR 10,460 ZAR
View
A
Retailer 10
-
$856 SGD
£527 GBP
View
A
Retailer 11
-
$886 SGD
€660 EUR
View
A
Retailer 12
-
$1,123 SGD
A$1,351 AUD
View
A
Retailer 13
-
$1,239 SGD
$969 USD
View
B+
Retailer 14
-
$1,425 SGD
$1,115 USD
View
B+
Retailer 15
-
$1,548 SGD
$1,211 USD
View
B+
Retailer 16
-
$1,593 SGD
$1,246 USD
View
B+
Retailer 17
-
$1,609 SGD
$1,258 USD
View
B+
Retailer 18
-
$1,780 SGD
$1,392 USD
View
B+
Retailer 19
-
$1,836 SGD
$1,436 USD
View
B+
Retailer 20
-
$1,914 SGD
£1,179 GBP
View
B+
Retailer 21
-
$1,934 SGD
£1,191 GBP
View
Retailer 22
-
$1,938 SGD
A$2,332 AUD
View
Price last confirmed 22 days ago
B+
Retailer 23
-
$1,950 SGD
$1,525 USD
View
Most Expensive
Rare Carat
13130 · Oct 18
$2,921 SGD
$2,285 USD
View
Price last confirmed 11 days ago
23 more retailers have this diamond
Prices start from $389 SGDSave up to $1,561 SGD

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
$389 SGD