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Heart|Lab Grown|IGI

1.01ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG829610592

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG829610592

Diamond specifications and retailer prices

From €144 EUR
As of November 6, 2026
Save €375 EUR (72%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €756 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.01ct lab-grown heart diamond

This 1.01ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG829610592 or 829610592. Listed at 17 retailers as of November 6, 2026, with a 260% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829610592
Dimensions6.71 × 6.59 × 3.78 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.71 mm6.59 mm1.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG829610592
Side View
Table 66.0%Crown 35.5°Girdle: STK-THKPavilion 43.3°Culet: NoneDepth 57.4%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: €756 EUR|Low: €144 EUR|High: €797 EUR|Avg: €379 EUR|-3.9%
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 6, 2026
Retailer 8€144 EUR
Retailer 3€183 EUR
Retailer 6€206 EUR
Retailer 4€269 EUR
Retailer 2€272 EUR
Retailer 7€272 EUR
Retailer 10€296 EUR
Retailer 9€303 EUR
Retailer 5€403 EUR
Retailer 11€412 EUR
Retailer 13€442 EUR
Retailer 12€519 EUR
MOH London€756 EUR

39 data points across 13 retailers

17 retailers€144 EUR to €519 EUR

Retailer 1
-
€130 EUR
Price last confirmed 20 days ago
A
Retailer 2
-
€144 EUR
View
Final sale: no returns
Retailer 3
-
€151 EUR
View
Price last confirmed 22 days ago
Retailer 4
-
€161 EUR
View
Price last confirmed 22 days ago
A
Retailer 5
-
€183 EUR
View
A
Retailer 6
-
€206 EUR
View
B+
Retailer 7
-
€269 EUR
View
B+
Retailer 8
-
€272 EUR
View
B+
Retailer 9
-
€272 EUR
View
B+
Retailer 10
-
€296 EUR
View
B+
Retailer 11
-
€303 EUR
View
Retailer 12
-
€403 EUR
View
Price last confirmed 9 days ago
B
Retailer 13
-
€412 EUR
View
B
Retailer 14
-
€442 EUR
View
B
Retailer 15
-
€519 EUR
View
Retailer 16
-
€519 EUR
View
Price last confirmed 21 days ago
Most Expensive
MOH London
LG829610592 · Oct 26
€756 EUR
£665 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from €144 EURSave up to €375 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
1.01ct Heart
€144 EUR