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Heart|Lab Grown|IGI

1.09ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG791632659

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791632659

Diamond specifications and retailer prices

From $309 SGD
$242 USD
As of October 30, 2026
Save $1,583 SGD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,892 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct 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 LG791632659 or 791632659. Listed at 19 retailers as of October 30, 2026, with prices from $309 to $1,892, a $1,583 spread on the same certified stone. Brilliant Earth lists it at $1,892. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791632659
Dimensions6.23 × 7.09 × 4.12 mm
L/W Ratio1.14
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
6.23 mm7.09 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791632659
Side View
Table 60.0%Crown 37°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 58.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,892 SGD|Low: $244 SGD|High: $2,173 SGD|Avg: $927 SGD|-12.9%
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
October 31, 2026
Retailer 4$309 SGD
Retailer 6$382 SGD
Retailer 12$486 SGD
Retailer 9$591 SGD
Retailer 2$638 SGD
Retailer 14$741 SGD
Retailer 13$743 SGD
Retailer 11$826 SGD
Retailer 10$840 SGD
Retailer 7$886 SGD
Retailer 3$1,173 SGD
Retailer 8$1,385 SGD
Retailer 5$1,595 SGD
Brilliant Earth$1,892 SGD

38 data points across 14 retailers

19 retailers$309 SGD to $1,892 SGD

Retailer 1
-
$277 SGD
$217 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$309 SGD
$242 USD
View
Final sale: no returns
Retailer 3
-
$341 SGD
$267 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$344 SGD
$269 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$344 SGD
$269 USD
View
Price last confirmed 28 days ago
Retailer 6
-
$377 SGD
$295 USD
View
Price last confirmed 36 days ago
A
Retailer 7
-
$486 SGD
$380 USD
View
A
Retailer 8
-
$591 SGD
ZAR 7,466 ZAR
View
A
Retailer 9
-
$638 SGD
£393 GBP
View
A
Retailer 10
-
$741 SGD
$580 USD
View
A
Retailer 11
-
$743 SGD
$581 USD
View
B+
Retailer 12
-
$826 SGD
$646 USD
View
B+
Retailer 13
-
$840 SGD
A$1,011 AUD
View
B+
Retailer 14
-
$886 SGD
$693 USD
View
Retailer 15
-
$1,106 SGD
$865 USD
View
Price last confirmed 26 days ago
B+
Retailer 16
-
$1,173 SGD
$918 USD
View
B+
Retailer 17
-
$1,385 SGD
£853 GBP
View
B
Retailer 18
-
$1,595 SGD
$1,248 USD
View
Most Expensive
B
Brilliant Earth
18984687A · Oct 30
$1,892 SGD
$1,480 USD
View
18 more retailers have this diamond
Prices start from $309 SGDSave up to $1,583 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
1.09ct Heart
$309 SGD