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Heart|Lab Grown|IGI

1.59ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG620488289

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620488289

Diamond specifications and retailer prices

From €174 EUR
$194 USD
As of October 30, 2026
Save €840 EUR (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,014 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct lab-grown heart diamond

This 1.59ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620488289 or 620488289. Listed at 12 retailers as of October 29, 2026, with prices from €174 to €1,014, a €840 spread on the same certified stone. MOH London lists it at €1,014. 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

1.59
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620488289
Dimensions8.29 × 7.40 × 4.50 mm
L/W Ratio1.12
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
8.29 mm7.40 mm1.59 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620488289
Side View
Table 60.0%Crown 32.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 54.3%

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: €1,014 EUR|Low: €174 EUR|High: €1,477 EUR|Avg: €543 EUR
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
Retailer 14
Retailer 15
October 31, 2026
Retailer 4€174 EUR
Retailer 3€201 EUR
Retailer 10€216 EUR
Retailer 14€241 EUR
Retailer 8€277 EUR
Retailer 15€375 EUR
Retailer 9€393 EUR
Retailer 13€441 EUR
Retailer 5€443 EUR
Retailer 11€449 EUR
Retailer 12€694 EUR
Retailer 2€695 EUR
MOH London€1,014 EUR
Retailer 6€1,015 EUR
Retailer 7€1,477 EUR

5 data points across 15 retailers

12 retailers€174 EUR to €1,014 EUR

A
Cheapest Retailer
-
€174 EUR
$194 USD
A
Retailer 2
-
€201 EUR
$225 USD
View
A
Retailer 3
-
€216 EUR
$241 USD
View
A
Retailer 4
-
€241 EUR
HK$2,100 HKD
View
A
Retailer 5
-
€277 EUR
£244 GBP
View
B+
Retailer 6
-
€375 EUR
$419 USD
View
A
Retailer 7
-
€393 EUR
£346 GBP
View
B+
Retailer 8
-
€441 EUR
$493 USD
View
B+
Retailer 9
-
€449 EUR
$502 USD
View
B
Retailer 10
-
€694 EUR
$775 USD
View
Retailer 11
-
€695 EUR
$777 USD
View
Most Expensive
B
MOH London
LG620488289 · Oct 29
€1,014 EUR
£892 GBP
View
11 more retailers have this diamond
Prices start from €174 EURSave up to €840 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
1.59ct Heart
€174 EUR