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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 €753 EUR
$841 USD
As of October 30, 2026
Save €3,356 EUR (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,108 EUR at Brilliant Earth · As of October 31, 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 17 retailers as of October 30, 2026, with prices from €753 to €4,108, a €3,356 spread on the same certified stone. Brilliant Earth lists it at €4,108. 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
Color
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: €4,108 EUR|Low: €753 EUR|High: €5,433 EUR|Avg: €2,002 EUR|-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
Retailer 16
Retailer 17
November 1, 2026
Retailer 16€753 EUR
Retailer 5€874 EUR
Retailer 7€934 EUR
Retailer 10€987 EUR
Retailer 6€1,029 EUR
Retailer 14€1,094 EUR
Retailer 12€1,342 EUR
Retailer 15€1,406 EUR
Retailer 4€1,521 EUR
Retailer 13€2,008 EUR
Retailer 11€2,455 EUR
Retailer 9€2,876 EUR
Retailer 3€3,026 EUR
Retailer 2€3,273 EUR
Retailer 8€3,326 EUR
Retailer 17€3,573 EUR
Brilliant Earth€4,108 EUR

4 data points across 17 retailers

17 retailers€753 EUR to €4,108 EUR

A
Cheapest Retailer
-
€753 EUR
$841 USD
A
Retailer 2
-
€874 EUR
$976 USD
View
A
Retailer 3
-
€934 EUR
$1,044 USD
View
Final sale: no returns
A
Retailer 4
-
€987 EUR
£868 GBP
View
A
Retailer 5
-
€1,029 EUR
$1,150 USD
View
A
Retailer 6
-
€1,094 EUR
$1,222 USD
View
B+
Retailer 7
-
€1,342 EUR
£1,180 GBP
View
B+
Retailer 8
-
€1,406 EUR
$1,571 USD
View
B+
Retailer 9
-
€1,521 EUR
$1,699 USD
View
B+
Retailer 10
-
€2,008 EUR
$2,243 USD
View
B
Retailer 11
-
€2,455 EUR
$2,743 USD
View
B
Retailer 12
-
€2,876 EUR
$3,213 USD
View
B
Retailer 13
-
€3,026 EUR
$3,381 USD
View
B
Retailer 14
-
€3,273 EUR
£2,879 GBP
View
B
Retailer 15
-
€3,326 EUR
SGD 5,022 SGD
View
B
Retailer 16
-
€3,573 EUR
$3,992 USD
View
Most Expensive
B
Brilliant Earth
22348973A · Oct 31
€4,108 EUR
$4,590 USD
View
16 more retailers have this diamond
Prices start from €753 EURSave up to €3,356 EUR

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
€753 EUR