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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 HK$4,358 HKD
As of November 6, 2026
Save HK$19,093 HKD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$23,450 HKD 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 HK$4,358 to HK$23,450, a HK$19,093 spread on the same certified stone. MOH London lists it at HK$23,450. 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

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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 6
Current: HK$23,450 HKD|Low: HK$4,185 HKD|High: HK$23,729 HKD|Avg: HK$10,057 HKD|-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 7HK$4,358 HKD
Retailer 4HK$4,875 HKD
Retailer 12HK$4,875 HKD
Retailer 9HK$5,400 HKD
Retailer 5HK$6,466 HKD
Retailer 3HK$7,555 HKD
Retailer 2HK$8,339 HKD
Retailer 11HK$8,339 HKD
Retailer 6HK$13,935 HKD
Retailer 10HK$14,209 HKD
Retailer 8HK$18,967 HKD
MOH LondonHK$23,450 HKD

45 data points across 12 retailers

14 retailersHK$4,358 HKD to HK$23,450 HKD

A
Cheapest Retailer
-
HK$4,358 HKD
A
Retailer 2
-
HK$4,875 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$4,875 HKD
View
A
Retailer 4
-
HK$5,400 HKD
View
Retailer 5
-
HK$5,400 HKD
View
Price last confirmed 21 days ago
A
Retailer 6
-
HK$6,466 HKD
View
A
Retailer 7
-
HK$7,555 HKD
View
B+
Retailer 8
-
HK$8,339 HKD
View
A
Retailer 9
-
HK$8,339 HKD
View
B+
Retailer 10
-
HK$13,935 HKD
View
B
Retailer 11
-
HK$14,209 HKD
View
B
Retailer 12
-
HK$17,148 HKD
View
B
Retailer 13
-
HK$18,967 HKD
View
Most Expensive
B
MOH London
LG508156284 · Nov 3
HK$23,450 HKD
£2,356 GBP
View
13 more retailers have this diamond
Prices start from HK$4,358 HKDSave up to HK$19,093 HKD

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
HK$4,358 HKD