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Heart|Lab Grown|IGI

1.50ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG522254245

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG522254245

Diamond specifications and retailer prices

From €258 EUR
$289 USD
As of October 30, 2026
Save €1,022 EUR (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,280 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522254245 or 522254245. Listed at 14 retailers as of October 30, 2026, with prices from €258 to €1,280, a €1,022 spread on the same certified stone. MOH London lists it at €1,280. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522254245
Dimensions7.89 × 7.12 × 4.58 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.89 mm7.12 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522254245
Side View
Table 60.5%Crown 36.5°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 58.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,280 EUR|Low: €247 EUR|High: €1,480 EUR|Avg: €628 EUR|+4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 9€258 EUR
Retailer 5€288 EUR
Retailer 13€299 EUR
Retailer 3€319 EUR
Retailer 10€319 EUR
Retailer 7€459 EUR
Retailer 12€524 EUR
Retailer 4€551 EUR
Retailer 2€565 EUR
Retailer 8€981 EUR
Retailer 11€1,026 EUR
Retailer 6€1,186 EUR
MOH London€1,280 EUR

41 data points across 13 retailers

14 retailers€258 EUR to €1,280 EUR

A
Cheapest Retailer
-
€258 EUR
$289 USD
A
Retailer 2
-
€288 EUR
$323 USD
View
Final sale: no returns
A
Retailer 3
-
€299 EUR
$335 USD
View
Retailer 4
-
€319 EUR
$358 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€319 EUR
$358 USD
View
B+
Retailer 6
-
€459 EUR
$515 USD
View
B+
Retailer 7
-
€524 EUR
$588 USD
View
B+
Retailer 8
-
€551 EUR
$618 USD
View
B+
Retailer 9
-
€565 EUR
£499 GBP
View
B
Retailer 10
-
€730 EUR
HK$6,400 HKD
View
B
Retailer 11
-
€981 EUR
$1,100 USD
View
B
Retailer 12
-
€1,026 EUR
$1,151 USD
View
B
Retailer 13
-
€1,186 EUR
$1,330 USD
View
Most Expensive
B
MOH London
LG522254245 · Nov 1
€1,280 EUR
£1,130 GBP
View
13 more retailers have this diamond
Prices start from €258 EURSave up to €1,022 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
1.50ct Heart
€258 EUR