Radiant|Lab Grown|IGI

1.45ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG754508818

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

Certificate IGI LG754508818

Diamond specifications and retailer prices

From $573 SGD
HK$3,500 HKD
As of October 31, 2026
Save $2,406 SGD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,979 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.45ct lab-grown radiant diamond

This 1.45ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508818 or 754508818. Listed at 15 retailers as of October 30, 2026, with prices from $573 to $2,979, a $2,406 spread on the same certified stone. Brilliant Earth lists it at $2,979. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508818
Dimensions5.57 × 5.57 × 3.68 mm
L/W Ratio1.00
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
5.57 mm5.57 mm1.45 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508818
Side View
Table 60.0%Crown 37.8°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $2,979 SGD|Low: $473 SGD|High: $3,886 SGD|Avg: $1,467 SGD|-23.4%
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
October 31, 2026
Retailer 12$573 SGD
Retailer 11$575 SGD
Retailer 2$674 SGD
Retailer 3$687 SGD
Retailer 7$774 SGD
Retailer 5$897 SGD
Retailer 4$1,084 SGD
Retailer 6$1,521 SGD
Retailer 8$1,628 SGD
Retailer 14$1,636 SGD
Retailer 10$1,673 SGD
Retailer 9$2,640 SGD
Retailer 13$2,733 SGD
Brilliant Earth$2,979 SGD

43 data points across 14 retailers

15 retailers$573 SGD to $2,979 SGD

A
Cheapest Retailer
-
$573 SGD
HK$3,500 HKD
A
Retailer 2
-
$575 SGD
$450 USD
View
A
Retailer 3
-
$674 SGD
€502 EUR
View
A
Retailer 4
-
$687 SGD
$537 USD
View
A
Retailer 5
-
$774 SGD
£477 GBP
View
A
Retailer 6
-
$897 SGD
$702 USD
View
B+
Retailer 7
-
$1,084 SGD
$848 USD
View
B+
Retailer 8
-
$1,521 SGD
$1,190 USD
View
B+
Retailer 9
-
$1,628 SGD
£1,003 GBP
View
B+
Retailer 10
-
$1,636 SGD
View
Retailer 11
-
$1,673 SGD
A$2,013 AUD
View
Price last confirmed 24 days ago
Retailer 12
-
$2,550 SGD
$1,995 USD
View
Price last confirmed 10 days ago
Retailer 13
-
$2,640 SGD
$2,065 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$2,733 SGD
$2,138 USD
View
Most Expensive
B
Brilliant Earth
18669149Y · Oct 30
$2,979 SGD
$2,330 USD
View
14 more retailers have this diamond
Prices start from $573 SGDSave up to $2,406 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
1.45ct Radiant
$573 SGD