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Heart|Lab Grown|IGI

1.03ct I SI1 Heart Lab Grown Diamond

ID • I/SI1 • IGI LG414063294

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG414063294

Diamond specifications and retailer prices

From €555 EUR
$620 USD
As of October 30, 2026
Save €3,052 EUR (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,607 EUR at MOH London · As of October 27, 2026
View at MOH London

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG414063294 or 414063294. Listed at 11 retailers as of October 27, 2026, with prices from €555 to €3,607, a €3,052 spread on the same certified stone. MOH London lists it at €3,607. 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

1.03
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.7°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414063294
Dimensions7.30 × 5.99 × 4.13 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.30 mm5.99 mm1.03 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG414063294
Side View
Table 53.0%Crown 33.7°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 56.6%

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: €3,607 EUR|Low: €555 EUR|High: €3,650 EUR|Avg: €1,744 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2€555 EUR
Retailer 3€916 EUR
Retailer 6€1,025 EUR
Retailer 4€1,062 EUR
Retailer 7€1,217 EUR
Retailer 9€1,523 EUR
Retailer 5€1,694 EUR
Retailer 8€2,220 EUR
Retailer 10€3,041 EUR
MOH London€3,607 EUR

14 data points across 10 retailers

11 retailers€555 EUR to €3,607 EUR

A
Cheapest Retailer
-
€555 EUR
$620 USD
B+
Retailer 2
-
€916 EUR
$1,023 USD
View
B+
Retailer 3
-
€996 EUR
$1,113 USD
View
B+
Retailer 4
-
€1,025 EUR
$1,145 USD
View
Final sale: no returns
Retailer 5
-
€1,062 EUR
$1,187 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,062 EUR
$1,187 USD
View
B+
Retailer 7
-
€1,217 EUR
$1,360 USD
View
B
Retailer 8
-
€1,694 EUR
$1,893 USD
View
B
Retailer 9
-
€1,991 EUR
$2,224 USD
View
B
Retailer 10
-
€2,220 EUR
$2,480 USD
View
Most Expensive
B
MOH London
LG414063294 · Oct 27
€3,607 EUR
£3,173 GBP
View
10 more retailers have this diamond
Prices start from €555 EURSave up to €3,052 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
1.03ct Heart
€555 EUR