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Heart|Lab Grown|IGI

1.05ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG830648509

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830648509

Diamond specifications and retailer prices

From $496 SGD
$388 USD
As of October 30, 2026
Save $981 SGD (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,477 SGD at MOH London · As of October 25, 2026
View at MOH London

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830648509 or 830648509. Listed at 6 retailers as of October 25, 2026, with prices from $496 to $1,477, a $981 spread on the same certified stone. MOH London lists it at $1,477. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830648509
Dimensions6.68 × 6.94 × 3.97 mm
L/W Ratio1.04
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
6.68 mm6.94 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830648509
Side View
Table 53.0%Crown 34.3°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 57.2%

Caratlytics Score

How it works →
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: $1,477 SGD|Low: $496 SGD|High: $1,494 SGD|Avg: $893 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$496 SGD
Retailer 2$695 SGD
Retailer 5$763 SGD
Retailer 4$781 SGD
Retailer 6$1,250 SGD
MOH London$1,477 SGD

33 data points across 6 retailers

6 retailers$496 SGD to $1,477 SGD

A
Cheapest Retailer
-
$496 SGD
$388 USD
A
Retailer 2
-
$695 SGD
£428 GBP
View
B+
Retailer 3
-
$763 SGD
$597 USD
View
B+
Retailer 4
-
$781 SGD
$611 USD
View
B
Retailer 5
-
$1,250 SGD
$978 USD
View
Most Expensive
B
MOH London
LG830648509 · Oct 25
$1,477 SGD
£910 GBP
View
5 more retailers have this diamond
Prices start from $496 SGDSave up to $981 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
1.05ct Heart
$496 SGD