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Round|Lab Grown|IGI

1.50ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG794627540

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794627540

Diamond specifications and retailer prices

From $291 SGD
As of November 5, 2026
Save $1,350 SGD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,640 SGD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794627540 or 794627540. Listed at 22 retailers as of November 5, 2026, with prices from $291 to $1,640, a $1,350 spread on the same certified stone. Brilliant Earth lists it at $1,640. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794627540
Dimensions7.44 × 7.42 × 4.48 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.44 mm7.42 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794627540
Side View
Table 59.0%Crown 33.1°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.3%

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: Nov 5
Current: $1,640 SGD|Low: $288 SGD|High: $1,640 SGD|Avg: $772 SGD|+1.6%
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
November 6, 2026
Retailer 9$291 SGD
Retailer 16$324 SGD
Retailer 18$337 SGD
Retailer 4$360 SGD
Retailer 5$361 SGD
Retailer 6$614 SGD
Retailer 2$624 SGD
Retailer 11$659 SGD
Retailer 12$665 SGD
Retailer 3$684 SGD
Retailer 17$723 SGD
Retailer 14$936 SGD
Retailer 10$1,160 SGD
Retailer 15$1,164 SGD
Retailer 8$1,226 SGD
Retailer 13$1,442 SGD
Retailer 7$1,639 SGD
Brilliant Earth$1,640 SGD

29 data points across 18 retailers

22 retailers$291 SGD to $1,640 SGD

A
Cheapest Retailer
-
$291 SGD
A
Retailer 2
-
$324 SGD
View
Final sale: no returns
Retailer 3
-
$336 SGD
View
Price last confirmed 66 days ago
A
Retailer 4
-
$337 SGD
View
A
Retailer 5
-
$360 SGD
View
Retailer 6
-
$361 SGD
View
Price last confirmed 12 days ago
A
Retailer 7
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$552 SGD
View
A
Retailer 8
-
$614 SGD
View
A
Retailer 9
-
$624 SGD
View
A
Retailer 10
-
$659 SGD
View
A
Retailer 11
-
$665 SGD
View
B+
Retailer 12
-
$684 SGD
View
B+
Retailer 13
-
$723 SGD
View
B+
Retailer 14
-
$936 SGD
View
B+
Retailer 15
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$1,002 SGD
View
Retailer 16
-
$1,150 SGD
View
Price last confirmed 46 days ago
B
Retailer 17
-
$1,160 SGD
View
B
Retailer 18
-
$1,164 SGD
View
B
Retailer 19
-
$1,226 SGD
View
B
Retailer 20
-
$1,442 SGD
View
B
Retailer 21
-
$1,639 SGD
View
Most Expensive
B
Brilliant Earth
20701253A · Nov 5
$1,640 SGD
$1,280 USD
View
21 more retailers have this diamond
Prices start from $291 SGDSave up to $1,350 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
1.50ct Round
$291 SGD