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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 $556 USD
As of October 30, 2026
Save $2,453 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,009 USD 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 $556 to $3,009, a $2,453 spread on the same certified stone. MOH London lists it at $3,009. 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: $3,009 USD|Low: $534 USD|High: $3,028 USD|Avg: $1,278 USD|-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$556 USD
Retailer 4$622 USD
Retailer 12$622 USD
Retailer 9$689 USD
Retailer 5$825 USD
Retailer 3$964 USD
Retailer 11$1,064 USD
Retailer 2$1,075 USD
Retailer 6$1,778 USD
Retailer 10$1,813 USD
Retailer 8$2,420 USD
MOH London$3,009 USD

43 data points across 12 retailers

14 retailers$556 USD to $3,009 USD

A
Cheapest Retailer
-
$556 USD
A
Retailer 2
-
$622 USD
View
Final sale: no returns
A
Retailer 3
-
$622 USD
View
A
Retailer 4
-
$689 USD
View
Retailer 5
-
$689 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$825 USD
View
A
Retailer 7
-
$964 USD
View
B+
Retailer 8
-
$1,064 USD
View
A
Retailer 9
-
$1,075 USD
£846 GBP
View
B
Retailer 10
-
$1,778 USD
View
B+
Retailer 11
-
$1,813 USD
View
B
Retailer 12
-
$2,189 USD
HK$17,100 HKD
View
B
Retailer 13
-
$2,420 USD
View
Most Expensive
B
MOH London
LG508156284 · Oct 29
$3,009 USD
£2,369 GBP
View
13 more retailers have this diamond
Prices start from $556 USDSave up to $2,453 USD

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
$556 USD