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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
$556 USD
As of October 30, 2026
Save €2,195 EUR (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,693 EUR at MOH London · As of October 29, 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 October 29, 2026, with prices from €498 to €2,693, a €2,195 spread on the same certified stone. MOH London lists it at €2,693. 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
Color
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: Oct 30
Current: €2,693 EUR|Low: €478 EUR|High: €2,710 EUR|Avg: €1,144 EUR|-0.5%
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 1, 2026
Retailer 7€498 EUR
Retailer 4€557 EUR
Retailer 12€557 EUR
Retailer 9€617 EUR
Retailer 5€738 EUR
Retailer 3€863 EUR
Retailer 11€952 EUR
Retailer 2€962 EUR
Retailer 6€1,591 EUR
Retailer 10€1,623 EUR
Retailer 8€2,166 EUR
MOH London€2,693 EUR

43 data points across 12 retailers

14 retailers€498 EUR to €2,693 EUR

A
Cheapest Retailer
-
€498 EUR
$556 USD
A
Retailer 2
-
€557 EUR
$622 USD
View
Final sale: no returns
A
Retailer 3
-
€557 EUR
$622 USD
View
A
Retailer 4
-
€617 EUR
$689 USD
View
Retailer 5
-
€617 EUR
$689 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€738 EUR
$825 USD
View
A
Retailer 7
-
€863 EUR
$964 USD
View
B+
Retailer 8
-
€952 EUR
$1,064 USD
View
A
Retailer 9
-
€962 EUR
£846 GBP
View
B
Retailer 10
-
€1,591 EUR
$1,778 USD
View
B+
Retailer 11
-
€1,623 EUR
$1,813 USD
View
B
Retailer 12
-
€1,959 EUR
HK$17,100 HKD
View
B
Retailer 13
-
€2,166 EUR
$2,420 USD
View
Most Expensive
B
MOH London
LG508156284 · Oct 29
€2,693 EUR
£2,369 GBP
View
13 more retailers have this diamond
Prices start from €498 EURSave up to €2,195 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