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Radiant|Lab Grown|IGI

1.37ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG722578619

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

Certificate IGI LG722578619

Diamond specifications and retailer prices

From $339 SGD
$265 USD
As of October 30, 2026
Save $2,717 SGD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,055 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.37ct lab-grown radiant diamond

This 1.37ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG722578619 or 722578619. Listed at 24 retailers as of October 29, 2026, with prices from $339 to $3,055, a $2,717 spread on the same certified stone. Brilliant Earth lists it at $3,055. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722578619
Dimensions5.50 × 5.50 × 3.65 mm
L/W Ratio1.00
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
5.50 mm5.50 mm1.37 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722578619
Side View
Table 66.0%Crown 39.8°Girdle: MediumPavilion 33.6°Culet: NoneDepth 66.4%

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: $3,055 SGD|Low: $326 SGD|High: $3,094 SGD|Avg: $1,104 SGD|+9.1%
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 31, 2026
Retailer 4$339 SGD
Retailer 5$421 SGD
Retailer 7$446 SGD
Retailer 3$565 SGD
Retailer 11$626 SGD
Retailer 10$723 SGD
Retailer 12$750 SGD
Retailer 2$806 SGD
Retailer 9$1,024 SGD
Retailer 14$1,033 SGD
Retailer 6$1,353 SGD
Retailer 8$1,695 SGD
Retailer 13$2,346 SGD
Brilliant Earth$3,055 SGD

34 data points across 14 retailers

24 retailers$339 SGD to $3,055 SGD

A
Cheapest Retailer
-
$339 SGD
$265 USD
A
Retailer 2
-
$380 SGD
$297 USD
View
Final sale: no returns
A
Retailer 3
-
$394 SGD
$308 USD
View
A
Retailer 4
-
$421 SGD
$329 USD
View
A
Retailer 5
-
$421 SGD
$329 USD
View
A
Retailer 6
-
$446 SGD
£275 GBP
View
A
Retailer 7
-
$565 SGD
$442 USD
View
A
Retailer 8
-
$626 SGD
$490 USD
View
A
Retailer 9
-
$723 SGD
ZAR 9,136 ZAR
View
A
Retailer 10
-
$749 SGD
$586 USD
View
Retailer 11
-
$750 SGD
€559 EUR
View
Price last confirmed 8 days ago
A
Retailer 12
-
$806 SGD
£496 GBP
View
Retailer 13
-
$1,022 SGD
A$1,230 AUD
View
Price last confirmed 34 days ago
A
Retailer 14
-
$1,024 SGD
A$1,232 AUD
View
B+
Retailer 15
-
$1,033 SGD
$808 USD
View
B+
Retailer 16
-
$1,258 SGD
$984 USD
View
B+
Retailer 17
-
$1,353 SGD
$1,058 USD
View
B+
Retailer 18
-
$1,418 SGD
$1,109 USD
View
B+
Retailer 19
-
$1,695 SGD
£1,044 GBP
View
B
Retailer 20
-
$1,793 SGD
$1,402 USD
View
Retailer 21
-
$2,346 SGD
$1,835 USD
View
Price last confirmed 12 days ago
Retailer 22
-
$2,502 SGD
$1,958 USD
View
Price last confirmed 82 days ago
Retailer 23
-
$2,800 SGD
$2,190 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
21313421A · Oct 29
$3,055 SGD
$2,390 USD
View
23 more retailers have this diamond
Prices start from $339 SGDSave up to $2,717 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
1.37ct Radiant
$339 SGD