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Heart|Lab Grown|IGI

1.48ct G SI1 Heart Lab Grown Diamond

EX • G/SI1 • IGI LG684503490

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG684503490

Diamond specifications and retailer prices

From $328 SGD
As of November 6, 2026
Save $1,301 SGD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,629 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.48ct lab-grown heart diamond

This 1.48ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG684503490 or 684503490. Listed at 17 retailers as of November 2, 2026, with prices from $328 to $1,629, a $1,301 spread on the same certified stone. MOH London lists it at $1,629. 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

1.48
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG684503490
Dimensions7.00 × 7.84 × 4.67 mm
L/W Ratio1.12
Girdle conditionFaceted
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
7.00 mm7.84 mm1.48 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG684503490
Side View
Table 63.0%Crown 34.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,629 SGD|Low: $315 SGD|High: $1,986 SGD|Avg: $862 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$328 SGD
Retailer 10$368 SGD
Retailer 7$406 SGD
Retailer 5$609 SGD
Retailer 8$681 SGD
Retailer 9$742 SGD
Retailer 2$765 SGD
Retailer 4$1,218 SGD
Retailer 3$1,250 SGD
MOH London$1,629 SGD

46 data points across 10 retailers

17 retailers$328 SGD to $1,629 SGD

A
Cheapest Retailer
-
$328 SGD
A
Retailer 2
-
$368 SGD
View
Final sale: no returns
A
Retailer 3
-
$381 SGD
View
A
Retailer 4
-
$406 SGD
View
Retailer 5
-
$406 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$609 SGD
View
A
Retailer 7
-
$681 SGD
View
B+
Retailer 8
-
$742 SGD
View
B+
Retailer 9
-
$747 SGD
View
B+
Retailer 10
-
$765 SGD
View
B+
Retailer 11
-
$1,043 SGD
View
B+
Retailer 12
-
$1,218 SGD
View
B+
Retailer 13
-
$1,218 SGD
View
B
Retailer 14
-
$1,250 SGD
View
B
Retailer 15
-
$1,307 SGD
View
B
Retailer 16
-
$1,373 SGD
View
Most Expensive
B
MOH London
LG684503490 · Nov 2
$1,629 SGD
£1,001 GBP
View
16 more retailers have this diamond
Prices start from $328 SGDSave up to $1,301 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
1.48ct Heart
$328 SGD