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Heart|Lab Grown|IGI

1.18ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG830624066

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830624066

Diamond specifications and retailer prices

From $400 SGD
$313 USD
As of October 30, 2026
Save $2,336 SGD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,736 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.18ct lab-grown heart diamond

This 1.18ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830624066 or 830624066. Listed at 17 retailers as of October 30, 2026, with prices from $400 to $2,736, a $2,336 spread on the same certified stone. Brilliant Earth lists it at $2,736. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624066
Dimensions7.38 × 6.52 × 4.16 mm
L/W Ratio1.13
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
7.38 mm6.52 mm1.18 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624066
Side View
Table 61.0%Crown 37.8°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 56.4%

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: $2,736 SGD|Low: $400 SGD|High: $3,196 SGD|Avg: $1,311 SGD|-14.4%
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
October 30, 2026
Retailer 12$400 SGD
Retailer 5$487 SGD
Retailer 3$496 SGD
Retailer 10$697 SGD
Retailer 15$807 SGD
Retailer 8$853 SGD
Retailer 2$884 SGD
Retailer 13$991 SGD
Retailer 11$1,221 SGD
Retailer 4$1,595 SGD
Retailer 14$1,654 SGD
Retailer 7$1,851 SGD
Retailer 9$1,990 SGD
Retailer 6$2,116 SGD
Brilliant Earth$2,736 SGD

41 data points across 15 retailers

17 retailers$400 SGD to $2,736 SGD

A
Cheapest Retailer
-
$400 SGD
$313 USD
A
Retailer 2
-
$464 SGD
$363 USD
View
A
Retailer 3
-
$487 SGD
$381 USD
View
Final sale: no returns
A
Retailer 4
-
$496 SGD
$388 USD
View
A
Retailer 5
-
$496 SGD
$388 USD
View
A
Retailer 6
-
$697 SGD
$545 USD
View
A
Retailer 7
-
$807 SGD
$631 USD
View
A
Retailer 8
-
$853 SGD
ZAR 10,775 ZAR
View
B+
Retailer 9
-
$884 SGD
£544 GBP
View
B+
Retailer 10
-
$991 SGD
$775 USD
View
B+
Retailer 11
-
$1,221 SGD
$955 USD
View
B+
Retailer 12
-
$1,595 SGD
$1,248 USD
View
B+
Retailer 13
-
$1,654 SGD
$1,294 USD
View
B+
Retailer 14
-
$1,851 SGD
View
B+
Retailer 15
-
$1,990 SGD
£1,226 GBP
View
B
Retailer 16
-
$2,116 SGD
$1,655 USD
View
Most Expensive
B
Brilliant Earth
21433734A · Oct 30
$2,736 SGD
$2,140 USD
View
16 more retailers have this diamond
Prices start from $400 SGDSave up to $2,336 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
1.18ct Heart
$400 SGD