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Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836619131

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836619131

Diamond specifications and retailer prices

From €887 EUR
$991 USD
As of October 30, 2026
Save €3,454 EUR (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,341 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct 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 LG836619131 or 836619131. Listed at 14 retailers as of October 30, 2026, with prices from €887 to €4,341, a €3,454 spread on the same certified stone. Brilliant Earth lists it at €4,341. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619131
Dimensions8.06 × 7.10 × 4.53 mm
L/W Ratio1.14
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
8.06 mm7.10 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619131
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 38°Culet: NoneDepth 56.2%

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: €4,341 EUR|Low: €887 EUR|High: €4,341 EUR|Avg: €2,187 EUR
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
November 1, 2026
Retailer 11€887 EUR
Retailer 2€1,040 EUR
Retailer 13€1,083 EUR
Retailer 8€1,096 EUR
Retailer 6€1,383 EUR
Retailer 7€1,416 EUR
Retailer 10€1,691 EUR
Retailer 9€1,913 EUR
Retailer 3€2,357 EUR
Retailer 14€2,727 EUR
Retailer 12€3,028 EUR
Retailer 5€3,194 EUR
Retailer 4€3,453 EUR
Brilliant Earth€4,341 EUR

7 data points across 14 retailers

14 retailers€887 EUR to €4,341 EUR

A
Cheapest Retailer
-
€887 EUR
$991 USD
Final sale: no returns
A
Retailer 2
-
€1,040 EUR
£915 GBP
View
B+
Retailer 3
-
€1,083 EUR
$1,210 USD
View
B+
Retailer 4
-
€1,096 EUR
$1,225 USD
View
B+
Retailer 5
-
€1,383 EUR
$1,545 USD
View
B+
Retailer 6
-
€1,416 EUR
£1,245 GBP
View
B+
Retailer 7
-
€1,691 EUR
ZAR 30,521 ZAR
View
B
Retailer 8
-
€1,913 EUR
$2,137 USD
View
B
Retailer 9
-
€2,357 EUR
$2,633 USD
View
B
Retailer 10
-
€2,727 EUR
$3,047 USD
View
B
Retailer 11
-
€3,028 EUR
$3,383 USD
View
B
Retailer 12
-
€3,194 EUR
$3,568 USD
View
B
Retailer 13
-
€3,453 EUR
£3,038 GBP
View
Most Expensive
B
Brilliant Earth
22318645A · Oct 31
€4,341 EUR
$4,850 USD
View
13 more retailers have this diamond
Prices start from €887 EURSave up to €3,454 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
1.51ct Heart
€887 EUR