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Radiant|Lab Grown|IGI

1.54ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG671426516

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

Certificate IGI LG671426516

Diamond specifications and retailer prices

From $364 SGD
$284 USD
As of October 30, 2026
Save $4,135 SGD (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,499 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.54ct lab-grown radiant diamond

This 1.54ct 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 LG671426516 or 671426516. Listed at 18 retailers as of October 29, 2026, with prices from $364 to $4,499, a $4,135 spread on the same certified stone. Brilliant Earth lists it at $4,499. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671426516
Dimensions8.07 × 5.69 × 8.07 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm5.69 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671426516
Side View
Table 67.0%Crown 46.9°Girdle: MediumPavilion 36.2°Culet: NoneDepth 68.2%

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: $4,499 SGD|Low: $302 SGD|High: $4,640 SGD|Avg: $1,316 SGD|-3.0%
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 30, 2026
Retailer 3$364 SGD
Retailer 10$423 SGD
Retailer 18$423 SGD
Retailer 9$580 SGD
Retailer 12$584 SGD
Retailer 15$602 SGD
Retailer 17$628 SGD
Retailer 6$798 SGD
Retailer 8$1,065 SGD
Retailer 4$1,068 SGD
Retailer 14$1,163 SGD
Retailer 7$1,430 SGD
Retailer 5$1,495 SGD
Retailer 13$1,603 SGD
Retailer 2$1,879 SGD
Retailer 11$2,010 SGD
Retailer 16$3,243 SGD
Brilliant Earth$4,499 SGD

35 data points across 18 retailers

18 retailers$364 SGD to $4,499 SGD

A
Cheapest Retailer
-
$364 SGD
$284 USD
A
Retailer 2
-
$423 SGD
$330 USD
View
Final sale: no returns
A
Retailer 3
-
$423 SGD
$330 USD
View
A
Retailer 4
-
$580 SGD
$453 USD
View
A
Retailer 5
-
$584 SGD
$456 USD
View
A
Retailer 6
-
$602 SGD
$470 USD
View
A
Retailer 7
-
$628 SGD
$490 USD
View
Retailer 8
-
$798 SGD
€593 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$1,065 SGD
$831 USD
View
A
Retailer 10
-
$1,068 SGD
$833 USD
View
A
Retailer 11
-
$1,163 SGD
A$1,396 AUD
View
B+
Retailer 12
-
$1,430 SGD
$1,116 USD
View
B+
Retailer 13
-
$1,495 SGD
$1,166 USD
View
B+
Retailer 14
-
$1,603 SGD
$1,251 USD
View
B+
Retailer 15
-
$1,879 SGD
A$2,255 AUD
View
B+
Retailer 16
-
$2,010 SGD
£1,235 GBP
View
B
Retailer 17
-
$3,243 SGD
$2,530 USD
View
Most Expensive
B
Brilliant Earth
16298721A · Oct 29
$4,499 SGD
$3,510 USD
View
17 more retailers have this diamond
Prices start from $364 SGDSave up to $4,135 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
1.54ct Radiant
$364 SGD