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Heart|Lab Grown|IGI

1.02ct I SI1 Heart Lab Grown Diamond

ID • I/SI1 • IGI LG436045945

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG436045945

Diamond specifications and retailer prices

From €555 EUR
As of November 6, 2026
Save €3,005 EUR (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,560 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.02ct lab-grown heart diamond

This 1.02ct 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 LG436045945 or 436045945. Listed at 11 retailers as of November 5, 2026, with prices from €555 to €3,560, a €3,005 spread on the same certified stone. MOH London lists it at €3,560. 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

1.02
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045945
Dimensions7.22 × 6.06 × 4.09 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Top View
7.22 mm6.06 mm1.02 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045945
Side View
Table 56.5%Crown 38.1°Girdle: THN-STKPavilion 39°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: Nov 6
Current: €3,560 EUR|Low: €555 EUR|High: €3,614 EUR|Avg: €1,722 EUR|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2€555 EUR
Retailer 3€907 EUR
Retailer 6€1,016 EUR
Retailer 4€1,052 EUR
Retailer 7€1,209 EUR
Retailer 9€1,512 EUR
Retailer 5€1,681 EUR
Retailer 8€2,200 EUR
Retailer 10€3,014 EUR
MOH London€3,560 EUR

13 data points across 10 retailers

11 retailers€555 EUR to €3,560 EUR

A
Cheapest Retailer
-
€555 EUR
B+
Retailer 2
-
€907 EUR
View
B+
Retailer 3
-
€987 EUR
View
B+
Retailer 4
-
€1,016 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,052 EUR
View
Retailer 6
-
€1,052 EUR
View
Price last confirmed 25 days ago
B+
Retailer 7
-
€1,209 EUR
View
B
Retailer 8
-
€1,681 EUR
View
B
Retailer 9
-
€1,973 EUR
View
B
Retailer 10
-
€2,200 EUR
View
Most Expensive
B
MOH London
LG436045945 · Nov 5
€3,560 EUR
£3,130 GBP
View
10 more retailers have this diamond
Prices start from €555 EURSave up to €3,005 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
1.02ct Heart
€555 EUR