CaratHunter
Plans
Heart|Lab Grown|IGI

0.30ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG816670734

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816670734

Diamond specifications and retailer prices

From HK$549 HKD
$70 USD
As of October 24, 2026
Save HK$3,795 HKD (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$4,345 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 0.3ct lab-grown heart diamond

This 0.3ct lab-grown heart sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816670734 or 816670734. Listed at 8 retailers as of October 24, 2026, with prices from HK$549 to HK$4,345, a HK$3,795 spread on the same certified stone. MOH London lists it at HK$4,345. 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

0.30
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishGood
SymmetryVery Good
FluorescenceNone
Crown angle30.7°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816670734
Dimensions4.62 × 4.28 × 2.65 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.62 mm4.28 mm0.30 ctE / SI1
OriginLab Grown
CutIdeal
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816670734
Side View
Table 62.0%Crown 30.7°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 57.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24
Current: HK$4,345 HKD|Low: HK$942 HKD|High: HK$5,142 HKD|Avg: HK$2,321 HKD|-14.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 6HK$1,189 HKD
Retailer 2HK$1,269 HKD
Retailer 5HK$1,444 HKD
Retailer 3HK$1,516 HKD
Retailer 4HK$2,966 HKD
MOH LondonHK$4,345 HKD

19 data points across 6 retailers

8 retailersHK$549 HKD to HK$4,345 HKD

A
Cheapest Retailer
-
HK$549 HKD
$70 USD
A
Retailer 2
-
HK$628 HKD
$80 USD
View
Retailer 3
-
HK$730 HKD
$93 USD
View
Price last confirmed 32 days ago
B+
Retailer 4
-
HK$1,269 HKD
€154 EUR
View
B
Retailer 5
-
HK$1,444 HKD
$184 USD
View
B+
Retailer 6
-
HK$1,516 HKD
£152 GBP
View
B
Retailer 7
-
HK$2,966 HKD
$378 USD
View
Most Expensive
B
MOH London
LG816670734 · Oct 26
HK$4,345 HKD
£436 GBP
View
7 more retailers have this diamond
Prices start from HK$549 HKDSave up to HK$3,795 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
0.30ct Heart
HK$549 HKD