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Heart|Lab Grown|IGI

1.89ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG830620146

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830620146

Diamond specifications and retailer prices

From $1,075 SGD
$841 USD
As of October 30, 2026
Save $4,793 SGD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,868 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.89ct lab-grown heart diamond

This 1.89ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830620146 or 830620146. Listed at 15 retailers as of October 30, 2026, with prices from $1,075 to $5,868, a $4,793 spread on the same certified stone. Brilliant Earth lists it at $5,868. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620146
Dimensions7.86 × 8.81 × 4.76 mm
L/W Ratio1.12
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
7.86 mm8.81 mm1.89 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620146
Side View
Table 62.0%Crown 35.8°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 54.0%

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: $5,868 SGD|Low: $1,075 SGD|High: $7,760 SGD|Avg: $2,838 SGD|-24.4%
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 31, 2026
Retailer 11$1,075 SGD
Retailer 3$1,248 SGD
Retailer 5$1,335 SGD
Retailer 12$1,414 SGD
Retailer 4$1,470 SGD
Retailer 9$1,562 SGD
Retailer 2$1,916 SGD
Retailer 10$2,008 SGD
Retailer 15$2,172 SGD
Retailer 8$2,867 SGD
Retailer 7$4,107 SGD
Retailer 14$4,322 SGD
Retailer 6$4,751 SGD
Retailer 13$5,103 SGD
Brilliant Earth$5,868 SGD

3 data points across 15 retailers

15 retailers$1,075 SGD to $5,868 SGD

A
Cheapest Retailer
-
$1,075 SGD
$841 USD
A
Retailer 2
-
$1,248 SGD
$976 USD
View
A
Retailer 3
-
$1,335 SGD
$1,044 USD
View
Final sale: no returns
A
Retailer 4
-
$1,414 SGD
£871 GBP
View
A
Retailer 5
-
$1,470 SGD
$1,150 USD
View
A
Retailer 6
-
$1,562 SGD
$1,222 USD
View
B+
Retailer 7
-
$1,916 SGD
£1,180 GBP
View
B+
Retailer 8
-
$2,008 SGD
$1,571 USD
View
B+
Retailer 9
-
$2,172 SGD
$1,699 USD
View
B+
Retailer 10
-
$2,867 SGD
$2,243 USD
View
B
Retailer 11
-
$4,107 SGD
$3,213 USD
View
B
Retailer 12
-
$4,322 SGD
$3,381 USD
View
B
Retailer 13
-
$4,751 SGD
View
B
Retailer 14
-
$5,103 SGD
$3,992 USD
View
Most Expensive
B
Brilliant Earth
22348973A · Oct 30
$5,868 SGD
$4,590 USD
View
14 more retailers have this diamond
Prices start from $1,075 SGDSave up to $4,793 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
1.89ct Heart
$1,075 SGD