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Radiant|Lab Grown|IGI

1.54ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG687580984

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

Certificate IGI LG687580984

Diamond specifications and retailer prices

From $364 SGD
$284 USD
As of October 30, 2026
Save $3,622 SGD (91%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $3,986 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 LG687580984 or 687580984. Listed at 27 retailers as of October 29, 2026, with prices from $364 to $3,986, a $3,622 spread on the same certified stone. Brilliant Earth lists it at $3,986. 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 angle41.1°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687580984
Dimensions8.13 × 5.74 × 3.82 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
8.13 mm5.74 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687580984
Side View
Table 65.0%Crown 41.1°Girdle: Slightly ThickPavilion 33.3°Culet: NoneDepth 66.6%

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: $3,986 SGD|Low: $349 SGD|High: $4,332 SGD|Avg: $1,204 SGD|-8.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 13
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Retailer 21
October 30, 2026
Retailer 7$364 SGD
Retailer 5$405 SGD
Retailer 11$422 SGD
Retailer 9$451 SGD
Retailer 12$451 SGD
Retailer 21$467 SGD
Retailer 18$654 SGD
Retailer 20$708 SGD
Retailer 2$742 SGD
Retailer 17$775 SGD
Retailer 13$796 SGD
Retailer 14$883 SGD
Retailer 16$1,049 SGD
Retailer 3$1,155 SGD
Retailer 10$1,450 SGD
Retailer 4$1,734 SGD
Retailer 15$1,817 SGD
Retailer 6$1,872 SGD
Retailer 8$1,879 SGD
Retailer 19$2,909 SGD
Brilliant Earth$3,986 SGD

38 data points across 21 retailers

27 retailers$364 SGD to $3,986 SGD

A
Cheapest Retailer
-
$364 SGD
$284 USD
A
Retailer 2
-
$405 SGD
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$422 SGD
$329 USD
View
A
Retailer 4
-
$451 SGD
$352 USD
View
A
Retailer 5
-
$451 SGD
$352 USD
View
Retailer 6
-
$467 SGD
£287 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$654 SGD
$510 USD
View
A
Retailer 8
-
$708 SGD
€526 EUR
View
A
Retailer 9
-
$742 SGD
$579 USD
View
A
Retailer 10
-
$775 SGD
ZAR 9,766 ZAR
View
A
Retailer 11
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$796 SGD
£489 GBP
View
A
Retailer 12
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$883 SGD
$689 USD
View
A
Retailer 13
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$955 SGD
$745 USD
View
A
Retailer 14
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$1,049 SGD
A$1,259 AUD
View
A
Retailer 15
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$1,155 SGD
$901 USD
View
A
Retailer 16
-
$1,341 SGD
$1,046 USD
View
B+
Retailer 17
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$1,450 SGD
$1,131 USD
View
B+
Retailer 18
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$1,514 SGD
$1,181 USD
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B+
Retailer 19
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$1,734 SGD
$1,353 USD
View
B+
Retailer 20
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$1,758 SGD
£1,080 GBP
View
B+
Retailer 21
-
$1,817 SGD
£1,116 GBP
View
B+
Retailer 22
-
$1,872 SGD
$1,461 USD
View
Retailer 23
-
$1,879 SGD
A$2,255 AUD
View
Price last confirmed 22 days ago
B+
Retailer 24
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$1,882 SGD
$1,468 USD
View
B+
Retailer 25
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$2,087 SGD
£1,282 GBP
View
Retailer 26
-
$2,909 SGD
$2,270 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
17795729A · Oct 29
$3,986 SGD
$3,110 USD
View
26 more retailers have this diamond
Prices start from $364 SGDSave up to $3,622 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