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Heart|Lab Grown|IGI

1.02ct I SI1 Heart Lab Grown Diamond

ID • I/SI1 • IGI LG436045943

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG436045943

Diamond specifications and retailer prices

From €555 EUR
$620 USD
As of October 30, 2026
Save €3,033 EUR (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,588 EUR at MOH London · As of October 29, 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 LG436045943 or 436045943. Listed at 10 retailers as of October 29, 2026, with prices from €555 to €3,588, a €3,033 spread on the same certified stone. MOH London lists it at €3,588. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045943
Dimensions7.17 × 5.90 × 4.27 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Top View
7.17 mm5.90 mm1.02 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045943
Side View
Table 62.0%Crown 32.7°Girdle: STK-THKPavilion 40°Culet: NoneDepth 59.6%

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: €3,588 EUR|Low: €555 EUR|High: €3,612 EUR|Avg: €1,660 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2€555 EUR
Retailer 3€907 EUR
Retailer 4€1,052 EUR
Retailer 6€1,208 EUR
Retailer 8€1,511 EUR
Retailer 5€1,680 EUR
Retailer 7€2,198 EUR
MOH London€3,588 EUR

13 data points across 8 retailers

10 retailers€555 EUR to €3,588 EUR

A
Cheapest Retailer
-
€555 EUR
$620 USD
B+
Retailer 2
-
€907 EUR
$1,013 USD
View
B+
Retailer 3
-
€986 EUR
$1,102 USD
View
B+
Retailer 4
-
€1,052 EUR
$1,175 USD
View
Retailer 5
-
€1,052 EUR
$1,175 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,208 EUR
$1,350 USD
View
B
Retailer 7
-
€1,680 EUR
$1,877 USD
View
B
Retailer 8
-
€1,972 EUR
$2,203 USD
View
B
Retailer 9
-
€2,198 EUR
$2,456 USD
View
Most Expensive
B
MOH London
LG436045943 · Oct 29
€3,588 EUR
£3,156 GBP
View
9 more retailers have this diamond
Prices start from €555 EURSave up to €3,033 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