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Heart|Lab Grown|IGI

1.30ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG733570255

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG733570255

Diamond specifications and retailer prices

From HK$1,985 HKD
As of November 4, 2026
Save HK$16,923 HKD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$18,908 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.3ct lab-grown heart diamond

This 1.3ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG733570255 or 733570255. Listed at 14 retailers as of November 4, 2026, with prices from HK$1,985 to HK$18,908, a HK$16,923 spread on the same certified stone. Brilliant Earth lists it at HK$18,908. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733570255
Dimensions7.56 × 6.70 × 4.45 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
7.56 mm6.70 mm1.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733570255
Side View
Table 60.0%Crown 33.3°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
A+
Exceptional
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$18,908 HKD|Low: HK$1,985 HKD|High: HK$28,245 HKD|Avg: HK$7,429 HKD|-33.1%
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
November 5, 2026
Retailer 10HK$1,985 HKD
Retailer 5HK$2,252 HKD
Retailer 14HK$2,299 HKD
Retailer 9HK$2,785 HKD
Retailer 8HK$3,060 HKD
Retailer 13HK$3,342 HKD
Retailer 3HK$3,374 HKD
Retailer 4HK$4,496 HKD
Retailer 7HK$4,503 HKD
Retailer 15HK$6,661 HKD
Retailer 12HK$7,038 HKD
Retailer 11HK$8,732 HKD
Retailer 2HK$10,859 HKD
Retailer 6HK$17,888 HKD
Brilliant EarthHK$18,908 HKD

32 data points across 15 retailers

14 retailersHK$1,985 HKD to HK$18,908 HKD

A+
Cheapest Retailer
-
HK$1,985 HKD
A
Retailer 2
-
HK$2,252 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,299 HKD
View
A
Retailer 4
-
HK$2,785 HKD
View
A
Retailer 5
-
HK$3,060 HKD
View
A
Retailer 6
-
HK$3,342 HKD
View
A
Retailer 7
-
HK$3,374 HKD
View
A
Retailer 8
-
HK$4,496 HKD
View
B+
Retailer 9
-
HK$6,661 HKD
View
B+
Retailer 10
-
HK$7,038 HKD
View
B+
Retailer 11
-
HK$8,732 HKD
View
B+
Retailer 12
-
HK$10,859 HKD
View
B
Retailer 13
-
HK$17,888 HKD
View
Most Expensive
B
Brilliant Earth
21405073Y · Nov 4
HK$18,908 HKD
$2,410 USD
View
13 more retailers have this diamond
Prices start from HK$1,985 HKDSave up to HK$16,923 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+
1.30ct Heart
HK$1,985 HKD