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Round|Lab Grown|IGI

1.80ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG571300298

Shape and cutting style on the report: Round brilliant

Certificate IGI LG571300298

Diamond specifications and retailer prices

From $467 SGD
$365 USD
As of November 1, 2026
Save $954 SGD (67%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,421 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.8ct lab-grown round diamond

This 1.8ct 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 LG571300298 or 571300298. Listed at 11 retailers as of November 1, 2026, with prices from $467 to $1,421, a $954 spread on the same certified stone. MOH London lists it at $1,421. 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

1.80
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571300298
Dimensions7.91 × 7.85 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.91 mm7.85 mm1.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571300298
Side View
Table 58.0%Crown 33.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

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 1
Current: $1,421 SGD|Low: $234 SGD|High: $1,473 SGD|Avg: $771 SGD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$329 SGD
Retailer 9$363 SGD
Retailer 7$467 SGD
Retailer 2$659 SGD
Retailer 5$693 SGD
Retailer 6$740 SGD
Retailer 4$1,145 SGD
Retailer 3$1,170 SGD
MOH London$1,421 SGD

38 data points across 9 retailers

11 retailers$467 SGD to $1,421 SGD

Retailer 1
-
$293 SGD
$229 USD
Price last confirmed 34 days ago
Retailer 2
-
$340 SGD
$266 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$358 SGD
$280 USD
View
Price last confirmed 34 days ago
B+
Retailer 4
-
$467 SGD
$365 USD
View
A
Retailer 5
-
$659 SGD
£406 GBP
View
A
Retailer 6
-
$693 SGD
$542 USD
View
A
Retailer 7
-
$740 SGD
$579 USD
View
B
Retailer 8
-
$1,145 SGD
$895 USD
View
Retailer 9
-
$1,168 SGD
$913 USD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
$1,170 SGD
$915 USD
View
Most Expensive
B
MOH London
LG571300298 · Nov 1
$1,421 SGD
£875 GBP
View
10 more retailers have this diamond
Prices start from $467 SGDSave up to $954 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
1.80ct Round
$467 SGD