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Heart|Lab Grown|IGI

1.09ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663964

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663964

Diamond specifications and retailer prices

From $392 SGD
$307 USD
As of October 30, 2026
Save $1,806 SGD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,199 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663964 or 846663964. Listed at 12 retailers as of October 30, 2026, with prices from $392 to $2,199, a $1,806 spread on the same certified stone. Brilliant Earth lists it at $2,199. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663964
Dimensions6.36 × 6.95 × 4.20 mm
L/W Ratio1.09
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
6.36 mm6.95 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663964
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.4%

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: $2,199 SGD|Low: $392 SGD|High: $3,656 SGD|Avg: $1,080 SGD|-39.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9$392 SGD
Retailer 10$410 SGD
Retailer 8$597 SGD
Retailer 11$601 SGD
Retailer 4$729 SGD
Retailer 6$791 SGD
Retailer 2$878 SGD
Retailer 5$1,218 SGD
Retailer 3$1,275 SGD
Retailer 12$1,598 SGD
Retailer 7$1,943 SGD
Brilliant Earth$2,199 SGD

4 data points across 12 retailers

12 retailers$392 SGD to $2,199 SGD

A
Cheapest Retailer
-
$392 SGD
$307 USD
A
Retailer 2
-
$410 SGD
£252 GBP
View
A
Retailer 3
-
$597 SGD
$467 USD
View
A
Retailer 4
-
$601 SGD
$470 USD
View
A
Retailer 5
-
$729 SGD
€543 EUR
View
B+
Retailer 6
-
$791 SGD
$619 USD
View
B+
Retailer 7
-
$878 SGD
$687 USD
View
B+
Retailer 8
-
$1,218 SGD
$953 USD
View
B+
Retailer 9
-
$1,275 SGD
$997 USD
View
B
Retailer 10
-
$1,598 SGD
£984 GBP
View
B
Retailer 11
-
$1,943 SGD
$1,520 USD
View
Most Expensive
B
Brilliant Earth
22319521A · Oct 30
$2,199 SGD
$1,720 USD
View
11 more retailers have this diamond
Prices start from $392 SGDSave up to $1,806 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
$392 SGD