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Heart|Lab Grown|IGI

1.91ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632387

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632387

Diamond specifications and retailer prices

From €732 EUR
$818 USD
As of October 30, 2026
Save €3,332 EUR (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €4,064 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.91ct lab-grown heart diamond

This 1.91ct 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 LG840632387 or 840632387. Listed at 20 retailers as of October 30, 2026, with prices from €732 to €4,064, a €3,332 spread on the same certified stone. Brilliant Earth lists it at €4,064. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632387
Dimensions7.46 × 8.58 × 5.11 mm
L/W Ratio1.15
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
7.46 mm8.58 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632387
Side View
Table 58.0%Crown 37.2°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 59.6%

Caratlytics Score

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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: €4,064 EUR|Low: €732 EUR|High: €5,487 EUR|Avg: €1,979 EUR|-25.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 12
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Retailer 17
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Retailer 19
Retailer 20
November 1, 2026
Retailer 7€732 EUR
Retailer 4€797 EUR
Retailer 18€849 EUR
Retailer 9€883 EUR
Retailer 11€944 EUR
Retailer 13€960 EUR
Retailer 19€1,007 EUR
Retailer 6€1,072 EUR
Retailer 14€1,304 EUR
Retailer 8€1,368 EUR
Retailer 3€1,540 EUR
Retailer 17€1,561 EUR
Retailer 15€1,777 EUR
Retailer 20€2,388 EUR
Retailer 16€2,794 EUR
Retailer 5€2,940 EUR
Retailer 2€3,183 EUR
Retailer 12€3,363 EUR
Retailer 10€3,611 EUR
Brilliant Earth€4,064 EUR

23 data points across 20 retailers

20 retailers€732 EUR to €4,064 EUR

A
Cheapest Retailer
-
€732 EUR
$818 USD
A
Retailer 2
-
€797 EUR
$890 USD
View
A
Retailer 3
-
€849 EUR
$949 USD
View
Retailer 4
-
€883 EUR
$986 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€944 EUR
$1,055 USD
View
Final sale: no returns
A
Retailer 6
-
€960 EUR
£844 GBP
View
A
Retailer 7
-
€1,007 EUR
$1,125 USD
View
A
Retailer 8
-
€1,072 EUR
$1,198 USD
View
A
Retailer 9
-
€1,304 EUR
£1,147 GBP
View
B+
Retailer 10
-
€1,368 EUR
$1,528 USD
View
B+
Retailer 11
-
€1,540 EUR
$1,720 USD
View
B+
Retailer 12
-
€1,561 EUR
ZAR 28,174 ZAR
View
B+
Retailer 13
-
€1,777 EUR
$1,985 USD
View
B+
Retailer 14
-
€2,388 EUR
$2,668 USD
View
B
Retailer 15
-
€2,794 EUR
$3,121 USD
View
B
Retailer 16
-
€2,940 EUR
$3,284 USD
View
B
Retailer 17
-
€3,183 EUR
£2,800 GBP
View
B
Retailer 18
-
€3,363 EUR
SGD 5,077 SGD
View
B
Retailer 19
-
€3,611 EUR
$4,034 USD
View
Most Expensive
B
Brilliant Earth
21738367A · Oct 31
€4,064 EUR
$4,540 USD
View
19 more retailers have this diamond
Prices start from €732 EURSave up to €3,332 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
1.91ct Heart
€732 EUR