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Heart|Lab Grown|IGI

1.04ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG591351353

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG591351353

Diamond specifications and retailer prices

From HK$2,887 HKD
As of November 4, 2026
Save HK$9,737 HKD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$19,536 HKD at Brilliant Earth · As of October 9, 2026
View at Brilliant Earth

About this 1.04ct lab-grown heart diamond

This 1.04ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG591351353 or 591351353. Listed at 20 retailers as of November 4, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591351353
Dimensions6.24 × 7.04 × 4.07 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
6.24 mm7.04 mm1.04 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591351353
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 57.8%

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: Nov 4
Current: HK$19,536 HKD|Low: HK$2,495 HKD|High: HK$19,536 HKD|Avg: HK$6,418 HKD
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
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 9HK$2,495 HKD
Retailer 13HK$2,887 HKD
Retailer 7HK$3,225 HKD
Retailer 8HK$3,225 HKD
Retailer 11HK$3,240 HKD
Retailer 4HK$4,252 HKD
Retailer 14HK$4,354 HKD
Retailer 5HK$4,864 HKD
Retailer 3HK$5,029 HKD
Retailer 15HK$5,445 HKD
Retailer 2HK$5,586 HKD
Retailer 12HK$7,759 HKD
Retailer 16HK$9,266 HKD
Retailer 6HK$10,506 HKD
Retailer 17HK$11,384 HKD
Retailer 10HK$12,624 HKD
Brilliant EarthHK$19,536 HKD

38 data points across 17 retailers

20 retailersHK$2,887 HKD to HK$12,624 HKD

Retailer 1
-
HK$2,495 HKD
Price last confirmed 34 days ago
A
Retailer 2
-
HK$2,887 HKD
View
Final sale: no returns
Retailer 3
-
HK$3,021 HKD
View
Price last confirmed 37 days ago
Retailer 4
-
HK$3,225 HKD
View
Price last confirmed 33 days ago
Retailer 5
-
HK$3,225 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$3,240 HKD
View
A
Retailer 7
-
HK$4,252 HKD
View
A
Retailer 8
-
HK$4,354 HKD
View
B+
Retailer 9
-
HK$4,864 HKD
View
B+
Retailer 10
-
HK$5,029 HKD
View
B+
Retailer 11
-
HK$5,445 HKD
View
B+
Retailer 12
-
HK$5,586 HKD
View
B+
Retailer 13
-
HK$7,759 HKD
View
B
Retailer 14
-
HK$9,266 HKD
View
Retailer 15
-
HK$10,372 HKD
View
Price last confirmed 36 days ago
B
Retailer 16
-
HK$10,506 HKD
View
B
Retailer 17
-
HK$11,384 HKD
View
Retailer 18
-
HK$11,494 HKD
View
Price last confirmed 162 days ago
B
Retailer 19
-
HK$12,624 HKD
View
Most Expensive
Brilliant Earth
11242224A · Oct 9
HK$19,536 HKD
$2,490 USD
View
Price last confirmed 26 days ago
19 more retailers have this diamond
Prices start from HK$2,887 HKDSave up to HK$9,737 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
1.04ct Heart
HK$2,887 HKD