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Heart|Lab Grown|IGI

3.00ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG508156284

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG508156284

Diamond specifications and retailer prices

From €498 EUR
As of November 6, 2026
Save €2,182 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,680 EUR at MOH London · As of November 3, 2026
View at MOH London

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 LG508156284 or 508156284. Listed at 14 retailers as of November 3, 2026, with prices from €498 to €2,680, a €2,182 spread on the same certified stone. MOH London lists it at €2,680. 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 angle42.6°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156284
Dimensions9.78 × 8.57 × 6.01 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.78 mm8.57 mm3.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156284
Side View
Table 58.5%Crown 42.6°Girdle: STK-VTKPavilion 42.7°Culet: NoneDepth 61.5%

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: €2,680 EUR|Low: €478 EUR|High: €2,712 EUR|Avg: €1,149 EUR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7€498 EUR
Retailer 4€557 EUR
Retailer 12€557 EUR
Retailer 9€617 EUR
Retailer 5€739 EUR
Retailer 3€863 EUR
Retailer 2€953 EUR
Retailer 11€953 EUR
Retailer 6€1,592 EUR
Retailer 10€1,624 EUR
Retailer 8€2,167 EUR
MOH London€2,680 EUR

45 data points across 12 retailers

14 retailers€498 EUR to €2,680 EUR

A
Cheapest Retailer
-
€498 EUR
A
Retailer 2
-
€557 EUR
View
Final sale: no returns
A
Retailer 3
-
€557 EUR
View
A
Retailer 4
-
€617 EUR
View
Retailer 5
-
€617 EUR
View
Price last confirmed 21 days ago
A
Retailer 6
-
€739 EUR
View
A
Retailer 7
-
€863 EUR
View
B+
Retailer 8
-
€953 EUR
View
A
Retailer 9
-
€953 EUR
View
B+
Retailer 10
-
€1,592 EUR
View
B
Retailer 11
-
€1,624 EUR
View
B
Retailer 12
-
€1,960 EUR
View
B
Retailer 13
-
€2,167 EUR
View
Most Expensive
B
MOH London
LG508156284 · Nov 3
€2,680 EUR
£2,356 GBP
View
13 more retailers have this diamond
Prices start from €498 EURSave up to €2,182 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
€498 EUR