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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 $349 SGD
$272 USD
As of October 27, 2026
Save $4,107 SGD (92%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,455 SGD 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 $349 to $4,455, a $4,107 spread on the same certified stone. Yadav Diamonds lists it at $4,455. 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: $844 SGD|Low: $349 SGD|High: $3,960 SGD|Avg: $1,258 SGD|-6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 12
Retailer 13
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Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 10$349 SGD
Retailer 4$390 SGD
Retailer 2$404 SGD
Retailer 8$432 SGD
Retailer 15$432 SGD
Retailer 19$577 SGD
Retailer 14$634 SGD
Retailer 13$819 SGD
Retailer 1$844 SGD
Retailer 18$868 SGD
Retailer 3$1,111 SGD
Retailer 12$1,111 SGD
Retailer 17$1,233 SGD
Retailer 7$1,533 SGD
Retailer 6$1,661 SGD
Retailer 9$1,744 SGD
Retailer 16$1,914 SGD
Retailer 5$3,089 SGD
Retailer 11$3,819 SGD

26 data points across 19 retailers

22 retailers$349 SGD to $4,455 SGD

A+
Cheapest Retailer
-
$349 SGD
$272 USD
A
Retailer 2
-
$390 SGD
$304 USD
View
Final sale: no returns
A
Retailer 3
-
$404 SGD
$315 USD
View
A
Retailer 4
-
$432 SGD
$337 USD
View
A
Retailer 5
-
$432 SGD
$337 USD
View
B+
Retailer 6
-
$577 SGD
$450 USD
View
A
Retailer 7
-
$634 SGD
$495 USD
View
A
Retailer 8
-
$819 SGD
ZAR 10,328 ZAR
View
A
Retailer 9
-
$844 SGD
£518 GBP
View
A
Retailer 10
-
$868 SGD
$677 USD
View
A
Retailer 11
-
$1,111 SGD
$867 USD
View
A
Retailer 12
-
$1,111 SGD
A$1,334 AUD
View
A
Retailer 13
-
$1,233 SGD
$962 USD
View
B+
Retailer 14
-
$1,533 SGD
$1,196 USD
View
B+
Retailer 15
-
$1,661 SGD
$1,296 USD
View
B+
Retailer 16
-
$1,744 SGD
$1,360 USD
View
B+
Retailer 17
-
$1,841 SGD
£1,131 GBP
View
B+
Retailer 18
-
$1,914 SGD
£1,176 GBP
View
B+
Retailer 19
-
$3,089 SGD
$2,410 USD
View
B
Retailer 20
-
$3,819 SGD
$2,980 USD
View
B
Retailer 21
-
$4,178 SGD
$3,260 USD
View
Most Expensive
B
Yadav Diamonds
13004489 · Oct 29
$4,455 SGD
$3,476 USD
View
21 more retailers have this diamond
Prices start from $349 SGDSave up to $4,107 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
$349 SGD