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Radiant|Lab Grown|IGI

1.74ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG649400592

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

Certificate IGI LG649400592

Diamond specifications and retailer prices

From $479 SGD
$374 USD
As of October 30, 2026
Save $4,007 SGD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,114 SGD at Brilliant Earth · As of October 21, 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 LG649400592 or 649400592. Listed at 14 retailers as of October 28, 2026, with a 836% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle41°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649400592
Dimensions8.74 × 5.95 × 3.89 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.74 mm5.95 mm1.74 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649400592
Side View
Table 65.0%Crown 41°Girdle: ThickPavilion 34°Culet: NoneDepth 65.0%

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: $4,486 SGD|Low: $479 SGD|High: $5,114 SGD|Avg: $2,043 SGD|-12.3%
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 30, 2026
Retailer 13$479 SGD
Retailer 2$606 SGD
Retailer 8$731 SGD
Retailer 3$860 SGD
Retailer 14$1,009 SGD
Retailer 7$1,060 SGD
Retailer 11$1,329 SGD
Retailer 9$1,363 SGD
Retailer 12$1,974 SGD
Retailer 5$2,088 SGD
Retailer 4$2,131 SGD
Retailer 6$3,669 SGD
Retailer 10$3,807 SGD
Brilliant Earth$4,486 SGD

5 data points across 14 retailers

14 retailers$479 SGD to $4,486 SGD

A
Cheapest Retailer
-
$479 SGD
$374 USD
Final sale: no returns
A
Retailer 2
-
$606 SGD
£373 GBP
View
A
Retailer 3
-
$731 SGD
$570 USD
View
A
Retailer 4
-
$860 SGD
$671 USD
View
A
Retailer 5
-
$1,009 SGD
ZAR 12,718 ZAR
View
A
Retailer 6
-
$1,060 SGD
£651 GBP
View
A
Retailer 7
-
$1,329 SGD
$1,037 USD
View
A
Retailer 8
-
$1,363 SGD
A$1,636 AUD
View
B+
Retailer 9
-
$1,974 SGD
$1,540 USD
View
B+
Retailer 10
-
$2,088 SGD
$1,629 USD
View
B+
Retailer 11
-
$2,131 SGD
View
B
Retailer 12
-
$3,807 SGD
$2,970 USD
View
B
Retailer 13
-
$4,486 SGD
$3,500 USD
View
Most Expensive
Brilliant Earth
13718859B · Oct 21
$5,114 SGD
$3,990 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from $479 SGDSave up to $4,007 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
$479 SGD