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Radiant|Lab Grown|IGI

1.50ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG770617468

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

Certificate IGI LG770617468

Diamond specifications and retailer prices

From $329 SGD
$257 USD
As of October 30, 2026
Save $2,650 SGD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,979 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown radiant diamond

This 1.5ct 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 LG770617468 or 770617468. Listed at 18 retailers as of October 30, 2026, with prices from $329 to $2,979, a $2,650 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

1.50
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.9°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770617468
Dimensions7.94 × 5.60 × 3.85 mm
L/W Ratio1.42
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
7.94 mm5.60 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770617468
Side View
Table 64.0%Crown 47.9°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 68.7%

Caratlytics Score

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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: $2,979 SGD|Low: $326 SGD|High: $3,580 SGD|Avg: $1,285 SGD|-16.8%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 17$329 SGD
Retailer 6$368 SGD
Retailer 16$381 SGD
Retailer 12$465 SGD
Retailer 5$522 SGD
Retailer 3$566 SGD
Retailer 11$569 SGD
Retailer 2$734 SGD
Retailer 4$743 SGD
Retailer 15$1,046 SGD
Retailer 9$1,142 SGD
Retailer 7$1,353 SGD
Retailer 14$1,447 SGD
Retailer 10$1,563 SGD
Retailer 13$1,814 SGD
Retailer 8$2,742 SGD
Retailer 18$2,915 SGD
Brilliant Earth$2,979 SGD

32 data points across 18 retailers

18 retailers$329 SGD to $2,979 SGD

A
Cheapest Retailer
-
$329 SGD
$257 USD
A
Retailer 2
-
$368 SGD
$288 USD
View
Final sale: no returns
A
Retailer 3
-
$381 SGD
$298 USD
View
A
Retailer 4
-
$465 SGD
£286 GBP
View
A
Retailer 5
-
$522 SGD
$408 USD
View
B+
Retailer 6
-
$566 SGD
$443 USD
View
A
Retailer 7
-
$569 SGD
$445 USD
View
A
Retailer 8
-
$734 SGD
€547 EUR
View
A
Retailer 9
-
$743 SGD
$581 USD
View
A
Retailer 10
-
$1,046 SGD
A$1,259 AUD
View
A
Retailer 11
-
$1,142 SGD
$893 USD
View
A
Retailer 12
-
$1,353 SGD
$1,058 USD
View
B+
Retailer 13
-
$1,447 SGD
$1,132 USD
View
B+
Retailer 14
-
$1,563 SGD
$1,223 USD
View
B+
Retailer 15
-
$1,814 SGD
£1,117 GBP
View
Retailer 16
-
$2,742 SGD
$2,145 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$2,915 SGD
$2,280 USD
View
Most Expensive
B
Brilliant Earth
21400238Y · Oct 31
$2,979 SGD
$2,330 USD
View
17 more retailers have this diamond
Prices start from $329 SGDSave up to $2,650 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
1.50ct Radiant
$329 SGD