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Round|Lab Grown|IGI

1.51ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG12251714

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12251714

Diamond specifications and retailer prices

From $433 SGD
As of November 5, 2026
Save $1,884 SGD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,845 SGD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown round diamond

This 1.51ct 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 LG12251714 or 12251714. Listed at 20 retailers as of November 1, 2026, with a 435% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.51
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12251714
Dimensions7.34 × 7.38 × 4.60 mm
L/W Ratio1.01
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
7.34 mm7.38 mm1.51 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12251714
Side View
Table 58.0%Crown 35.5°Girdle: THN-UNDPavilion 41.6°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $3,845 SGD|Low: $433 SGD|High: $3,845 SGD|Avg: $1,267 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 12
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Retailer 14
Retailer 15
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Retailer 19
Retailer 20
November 6, 2026
Retailer 4$433 SGD
Retailer 5$461 SGD
Retailer 20$503 SGD
Retailer 7$538 SGD
Retailer 19$538 SGD
Retailer 18$552 SGD
Retailer 9$734 SGD
Retailer 15$857 SGD
Retailer 14$881 SGD
Retailer 3$959 SGD
Retailer 13$1,058 SGD
Retailer 2$1,083 SGD
Retailer 12$1,083 SGD
Retailer 8$1,576 SGD
Retailer 10$1,698 SGD
Retailer 16$1,827 SGD
Retailer 6$1,907 SGD
Retailer 11$2,105 SGD
Retailer 17$2,317 SGD
Do Amore Diamonds$3,845 SGD

21 data points across 20 retailers

20 retailers$433 SGD to $2,317 SGD

A
Cheapest Retailer
-
$433 SGD
A
Retailer 2
-
$461 SGD
View
A
Retailer 3
-
$503 SGD
View
Retailer 4
-
$538 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$538 SGD
View
B+
Retailer 6
-
$552 SGD
View
B+
Retailer 7
-
$734 SGD
View
B+
Retailer 8
-
$857 SGD
View
B+
Retailer 9
-
$881 SGD
View
B
Retailer 10
-
$959 SGD
View
B+
Retailer 11
-
$1,058 SGD
View
B+
Retailer 12
-
$1,083 SGD
View
B
Retailer 13
-
$1,083 SGD
View
B
Retailer 14
-
$1,576 SGD
View
B
Retailer 15
-
$1,698 SGD
View
B
Retailer 16
-
$1,827 SGD
View
B
Retailer 17
-
$1,907 SGD
View
B
Retailer 18
-
$2,105 SGD
View
B
Retailer 19
-
$2,317 SGD
View
Most Expensive
Do Amore Diamonds
27-AE3F019FF · Nov 6
$3,845 SGD
$3,010 USD
View
Price under review
19 more retailers have this diamond
Prices start from $433 SGDSave up to $1,884 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
1.51ct Round
$433 SGD