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Heart|Lab Grown|IGI

1.03ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG620463128

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620463128

Diamond specifications and retailer prices

From HK$2,346 HKD
$299 USD
As of October 30, 2026
Save HK$9,352 HKD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$11,698 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG620463128 or 620463128. Listed at 18 retailers as of October 29, 2026, with prices from HK$2,346 to HK$11,698, a HK$9,352 spread on the same certified stone. MOH London lists it at HK$11,698. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620463128
Dimensions6.37 × 6.94 × 4.07 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.37 mm6.94 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG620463128
Side View
Table 62.0%Crown 37.5°Girdle: MED-THKPavilion 38.2°Culet: NoneDepth 58.6%

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 30
Current: HK$11,698 HKD|Low: HK$2,299 HKD|High: HK$12,027 HKD|Avg: HK$5,566 HKD|-2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 7HK$2,346 HKD
Retailer 13HK$2,628 HKD
Retailer 4HK$2,715 HKD
Retailer 15HK$2,903 HKD
Retailer 10HK$2,966 HKD
Retailer 3HK$3,907 HKD
Retailer 5HK$4,119 HKD
Retailer 16HK$4,786 HKD
Retailer 6HK$4,825 HKD
Retailer 18HK$4,990 HKD
Retailer 11HK$5,153 HKD
Retailer 2HK$5,248 HKD
Retailer 12HK$7,477 HKD
Retailer 17HK$9,336 HKD
Retailer 8HK$9,712 HKD
Retailer 14HK$10,380 HKD
Retailer 9HK$10,749 HKD
MOH LondonHK$11,698 HKD

36 data points across 18 retailers

18 retailersHK$2,346 HKD to HK$11,698 HKD

A
Cheapest Retailer
-
HK$2,346 HKD
$299 USD
A
Retailer 2
-
HK$2,628 HKD
$335 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,715 HKD
$346 USD
View
A
Retailer 4
-
HK$2,903 HKD
$370 USD
View
A
Retailer 5
-
HK$2,966 HKD
$378 USD
View
A
Retailer 6
-
HK$3,907 HKD
$498 USD
View
B+
Retailer 7
-
HK$4,119 HKD
$525 USD
View
B+
Retailer 8
-
HK$4,786 HKD
$610 USD
View
B+
Retailer 9
-
HK$4,825 HKD
$615 USD
View
B+
Retailer 10
-
HK$4,990 HKD
ZAR 10,276 ZAR
View
B+
Retailer 11
-
HK$5,153 HKD
£517 GBP
View
B+
Retailer 12
-
HK$5,248 HKD
€637 EUR
View
B
Retailer 13
-
HK$7,477 HKD
$953 USD
View
B
Retailer 14
-
HK$9,336 HKD
$1,190 USD
View
B
Retailer 15
-
HK$9,712 HKD
$1,238 USD
View
B
Retailer 16
-
HK$10,380 HKD
$1,323 USD
View
B
Retailer 17
-
HK$10,749 HKD
$1,370 USD
View
Most Expensive
B
MOH London
LG620463128 · Oct 29
HK$11,698 HKD
£1,174 GBP
View
17 more retailers have this diamond
Prices start from HK$2,346 HKDSave up to HK$9,352 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
1.03ct Heart
HK$2,346 HKD