Heart|Lab Grown|IGI

1.01ct K SI1 Heart Lab Grown Diamond

ID • K/SI1 • IGI LG805683590

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG805683590

Diamond specifications and retailer prices

From €162 EUR
As of November 6, 2026
Save €773 EUR (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €935 EUR at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805683590 or 805683590. Listed at 9 retailers as of November 5, 2026, with prices from €162 to €935, a €773 spread on the same certified stone. MOH London lists it at €935. 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
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805683590
Dimensions6.66 × 5.45 × 3.63 mm
L/W Ratio1.22
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Light Brown
Top View
6.66 mm5.45 mm1.01 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805683590
Side View
Table 64.0%Crown 39.8°Girdle: STK-THKPavilion 36.8°Culet: NoneDepth 54.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €935 EUR|Low: €155 EUR|High: €994 EUR|Avg: €444 EUR|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5€162 EUR
Retailer 9€187 EUR
Retailer 6€201 EUR
Retailer 8€201 EUR
Retailer 2€340 EUR
Retailer 3€416 EUR
Retailer 11€466 EUR
Retailer 10€482 EUR
Retailer 7€645 EUR
Retailer 4€681 EUR
MOH London€935 EUR

16 data points across 11 retailers

9 retailers€162 EUR to €935 EUR

A
Cheapest Retailer
-
€162 EUR
A
Retailer 2
-
€187 EUR
View
Retailer 3
-
€201 EUR
View
Price last confirmed 12 days ago
B+
Retailer 4
-
€201 EUR
View
A
Retailer 5
-
€340 EUR
View
B+
Retailer 6
-
€482 EUR
View
B+
Retailer 7
-
€645 EUR
View
B+
Retailer 8
-
€681 EUR
View
Most Expensive
B
MOH London
LG805683590 · Nov 5
€935 EUR
£822 GBP
View
8 more retailers have this diamond
Prices start from €162 EURSave up to €773 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
€162 EUR