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Heart|Lab Grown|IGI

3.00ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG529246771

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG529246771

Diamond specifications and retailer prices

From €405 EUR
As of November 4, 2026
Save €3,196 EUR (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,601 EUR at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 3ct lab-grown heart diamond

This 3ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529246771 or 529246771. Listed at 17 retailers as of November 4, 2026, with prices from €405 to €3,601, a €3,196 spread on the same certified stone. Do Amore Diamonds lists it at €3,601. 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

3.00
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529246771
Dimensions8.40 × 10.05 × 6.10 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
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
8.40 mm10.05 mm3.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529246771
Side View
Table 59.5%Crown 41.2°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 60.7%

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 4
Current: €1,458 EUR|Low: €389 EUR|High: €2,341 EUR|Avg: €1,018 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 14€405 EUR
Retailer 8€454 EUR
Retailer 7€502 EUR
Retailer 12€502 EUR
Retailer 11€631 EUR
Retailer 13€639 EUR
Retailer 6€746 EUR
Retailer 5€768 EUR
Retailer 2€784 EUR
Retailer 9€914 EUR
Retailer 15€1,351 EUR
Retailer 1€1,458 EUR
Retailer 3€1,979 EUR
Retailer 4€2,031 EUR
Retailer 10€2,307 EUR

46 data points across 15 retailers

17 retailers€405 EUR to €3,601 EUR

A
Cheapest Retailer
-
€405 EUR
A
Retailer 2
-
€454 EUR
View
A
Retailer 3
-
€502 EUR
View
Final sale: no returns
A
Retailer 4
-
€502 EUR
View
A
Retailer 5
-
€631 EUR
View
A
Retailer 6
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€699 EUR
View
A
Retailer 7
-
€746 EUR
View
A
Retailer 8
-
€768 EUR
View
B+
Retailer 9
-
€784 EUR
View
A
Retailer 10
-
€914 EUR
View
B+
Retailer 11
-
€1,351 EUR
View
B
Retailer 12
-
€1,458 EUR
View
B
Retailer 13
-
€1,910 EUR
View
B
Retailer 14
-
€1,979 EUR
View
B
Retailer 15
-
€2,031 EUR
View
B
Retailer 16
-
€2,307 EUR
View
Most Expensive
B
Do Amore Diamonds
27-DE4E58281 · Nov 6
€3,601 EUR
$4,020 USD
View
16 more retailers have this diamond
Prices start from €405 EURSave up to €3,196 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
3.00ct Heart
€405 EUR