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Radiant|Lab Grown|IGI

1.74ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG818654254

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

Certificate IGI LG818654254

Diamond specifications and retailer prices

From $378 SGD
$295 USD
As of October 27, 2026
Save $4,121 SGD (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,499 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.74ct lab-grown radiant diamond

This 1.74ct 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 LG818654254 or 818654254. Listed at 21 retailers as of October 27, 2026, with prices from $378 to $4,499, a $4,121 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

1.74
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654254
Dimensions8.22 × 5.92 × 4.07 mm
L/W Ratio1.39
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
8.22 mm5.92 mm1.74 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654254
Side View
Table 64.0%Crown 29.3°Girdle: MediumPavilion 36.7°Culet: NoneDepth 68.8%

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 27
Current: $4,499 SGD|Low: $436 SGD|High: $4,653 SGD|Avg: $1,511 SGD|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 29, 2026
Retailer 5$436 SGD
Retailer 15$483 SGD
Retailer 14$666 SGD
Retailer 8$768 SGD
Retailer 13$806 SGD
Retailer 4$814 SGD
Retailer 2$828 SGD
Retailer 16$848 SGD
Retailer 12$1,091 SGD
Retailer 18$1,193 SGD
Retailer 7$1,569 SGD
Retailer 3$1,639 SGD
Retailer 6$1,676 SGD
Retailer 9$1,677 SGD
Retailer 11$1,888 SGD
Retailer 10$2,222 SGD
Retailer 17$3,448 SGD
Brilliant Earth$4,499 SGD

29 data points across 18 retailers

21 retailers$378 SGD to $4,499 SGD

A
Cheapest Retailer
-
$378 SGD
$295 USD
A
Retailer 2
-
$436 SGD
$340 USD
View
Final sale: no returns
A
Retailer 3
-
$469 SGD
$366 USD
View
A
Retailer 4
-
$469 SGD
$366 USD
View
A
Retailer 5
-
$483 SGD
£297 GBP
View
A
Retailer 6
-
$666 SGD
$520 USD
View
A
Retailer 7
-
$768 SGD
$599 USD
View
A
Retailer 8
-
$806 SGD
ZAR 10,154 ZAR
View
A
Retailer 9
-
$814 SGD
$635 USD
View
A
Retailer 10
-
$828 SGD
£509 GBP
View
A
Retailer 11
-
$848 SGD
€630 EUR
View
A
Retailer 12
-
$1,091 SGD
A$1,309 AUD
View
A
Retailer 13
-
$1,193 SGD
$931 USD
View
A
Retailer 14
-
$1,569 SGD
$1,224 USD
View
B+
Retailer 15
-
$1,639 SGD
$1,279 USD
View
B+
Retailer 16
-
$1,676 SGD
$1,308 USD
View
B+
Retailer 17
-
$1,677 SGD
View
B+
Retailer 18
-
$1,888 SGD
£1,160 GBP
View
B+
Retailer 19
-
$2,222 SGD
$1,734 USD
View
Retailer 20
-
$3,448 SGD
$2,690 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21433885A · Oct 29
$4,499 SGD
$3,510 USD
View
20 more retailers have this diamond
Prices start from $378 SGDSave up to $4,121 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
1.74ct Radiant
$378 SGD