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Heart|Lab Grown|IGI

1.00ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG813619747

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG813619747

Diamond specifications and retailer prices

From €266 EUR
$298 USD
As of November 1, 2026
Save €529 EUR (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €795 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG813619747 or 813619747. Listed at 10 retailers as of November 1, 2026, with prices from €266 to €795, a €529 spread on the same certified stone. MOH London lists it at €795. 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

1.00
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813619747
Dimensions6.97 × 6.12 × 4.08 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.97 mm6.12 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813619747
Side View
Table 61.0%Crown 35.5°Girdle: STK-THKPavilion 41°Culet: NoneDepth 58.5%

Caratlytics Score

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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 1
Current: €795 EUR|Low: €280 EUR|High: €795 EUR|Avg: €469 EUR|+1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3€297 EUR
Retailer 7€310 EUR
Retailer 8€323 EUR
Retailer 4€410 EUR
Retailer 2€451 EUR
Retailer 5€453 EUR
Retailer 6€508 EUR
Retailer 9€595 EUR
MOH London€795 EUR

42 data points across 9 retailers

10 retailers€266 EUR to €795 EUR

A
Cheapest Retailer
-
€266 EUR
$298 USD
A
Retailer 2
-
€297 EUR
£262 GBP
View
A
Retailer 3
-
€310 EUR
$348 USD
View
A
Retailer 4
-
€323 EUR
£285 GBP
View
B+
Retailer 5
-
€410 EUR
A$708 AUD
View
B+
Retailer 6
-
€451 EUR
$506 USD
View
B+
Retailer 7
-
€453 EUR
$508 USD
View
B+
Retailer 8
-
€508 EUR
$570 USD
View
B+
Retailer 9
-
€595 EUR
$668 USD
View
Most Expensive
B
MOH London
LG813619747 · Nov 1
€795 EUR
£702 GBP
View
9 more retailers have this diamond
Prices start from €266 EURSave up to €529 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
1.00ct Heart
€266 EUR