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Heart|Lab Grown|IGI

5.04ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG516258543

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG516258543

Diamond specifications and retailer prices

From HK$11,510 HKD
$1,467 USD
As of October 30, 2026
Save HK$35,628 HKD (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$59,392 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.04ct lab-grown heart diamond

This 5.04ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG516258543 or 516258543. Listed at 23 retailers as of October 30, 2026, with a 310% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.04
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG516258543
Dimensions11.79 × 10.43 × 6.77 mm
L/W Ratio1.13
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
11.79 mm10.43 mm5.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG516258543
Side View
Table 64.5%Crown 38.1°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 57.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$59,392 HKD|Low: HK$11,510 HKD|High: HK$123,165 HKD|Avg: HK$34,316 HKD|-1.8%
Brilliant Earth
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
October 31, 2026
Retailer 10HK$11,510 HKD
Retailer 8HK$14,711 HKD
Retailer 12HK$14,789 HKD
Retailer 14HK$15,660 HKD
Retailer 4HK$16,269 HKD
Retailer 9HK$18,116 HKD
Retailer 2HK$18,696 HKD
Retailer 11HK$20,163 HKD
Retailer 13HK$24,235 HKD
Retailer 7HK$38,342 HKD
Retailer 5HK$47,012 HKD
Retailer 3HK$47,137 HKD
Retailer 6HK$54,684 HKD
Brilliant EarthHK$59,392 HKD

40 data points across 14 retailers

23 retailersHK$11,510 HKD to HK$47,137 HKD

B+
Cheapest Retailer
-
HK$11,510 HKD
$1,467 USD
Retailer 2
-
HK$11,510 HKD
$1,467 USD
View
Price last confirmed 23 days ago
Retailer 3
-
HK$11,510 HKD
$1,467 USD
View
Price last confirmed 20 days ago
Retailer 4
-
HK$13,353 HKD
$1,702 USD
View
Price last confirmed 20 days ago
Retailer 5
-
HK$13,353 HKD
$1,702 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
HK$14,711 HKD
$1,875 USD
View
B+
Retailer 7
-
HK$14,789 HKD
$1,885 USD
View
Final sale: no returns
B+
Retailer 8
-
HK$15,660 HKD
$1,996 USD
View
B+
Retailer 9
-
HK$16,269 HKD
View
B+
Retailer 10
-
HK$18,116 HKD
$2,309 USD
View
B+
Retailer 11
-
HK$18,696 HKD
£1,876 GBP
View
B
Retailer 12
-
HK$20,163 HKD
$2,570 USD
View
B
Retailer 13
-
HK$24,235 HKD
$3,089 USD
View
B
Retailer 14
-
HK$25,028 HKD
$3,190 USD
View
Retailer 15
-
HK$25,028 HKD
$3,190 USD
View
Price last confirmed 21 days ago
Retailer 16
-
HK$29,516 HKD
$3,762 USD
View
Price last confirmed 31 days ago
Retailer 17
-
HK$30,936 HKD
$3,943 USD
View
Price last confirmed 32 days ago
Retailer 18
-
HK$33,768 HKD
$4,304 USD
View
Price last confirmed 34 days ago
B
Retailer 19
-
HK$38,342 HKD
£3,848 GBP
View
Retailer 20
-
HK$42,790 HKD
$5,454 USD
View
Price last confirmed 30 days ago
B
Retailer 21
-
HK$47,012 HKD
$5,992 USD
View
B
Retailer 22
-
HK$47,137 HKD
SGD 8,119 SGD
View
Most Expensive
Brilliant Earth
5511980A · Oct 30
HK$59,392 HKD
$7,570 USD
View
Price under review
22 more retailers have this diamond
Prices start from HK$11,510 HKDSave up to HK$35,628 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.

B+
5.04ct Heart
HK$11,510 HKD