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Heart|Lab Grown|IGI

1.30ct G IF Heart Lab Grown Diamond

ID • G/IF • IGI LG735598626

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG735598626

Diamond specifications and retailer prices

From HK$1,797 HKD
As of November 4, 2026
Save HK$9,579 HKD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$16,240 HKD at Brilliant Earth · As of October 26, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735598626 or 735598626. Listed at 10 retailers as of November 2, 2026, with a 533% 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

1.30
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735598626
Dimensions7.55 × 7.05 × 4.21 mm
L/W Ratio1.07
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
7.55 mm7.05 mm1.30 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735598626
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 55.8%

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$11,376 HKD|Low: HK$1,773 HKD|High: HK$16,710 HKD|Avg: HK$5,660 HKD|-31.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 10HK$1,797 HKD
Retailer 9HK$2,087 HKD
Retailer 2HK$2,463 HKD
Retailer 8HK$3,781 HKD
Retailer 3HK$3,821 HKD
Retailer 11HK$4,080 HKD
Retailer 6HK$4,142 HKD
Retailer 5HK$6,064 HKD
Retailer 7HK$7,163 HKD
Retailer 4HK$8,904 HKD
Brilliant EarthHK$11,376 HKD

33 data points across 11 retailers

10 retailersHK$1,797 HKD to HK$11,376 HKD

A
Cheapest Retailer
-
HK$1,797 HKD
A
Retailer 2
-
HK$2,087 HKD
View
A
Retailer 3
-
HK$2,463 HKD
View
A
Retailer 4
-
HK$3,781 HKD
View
A
Retailer 5
-
HK$4,142 HKD
View
A
Retailer 6
-
HK$6,064 HKD
View
A
Retailer 7
-
HK$7,163 HKD
View
A
Retailer 8
-
HK$8,904 HKD
View
B+
Retailer 9
-
HK$11,376 HKD
View
Most Expensive
Brilliant Earth
15955295A · Oct 26
HK$16,240 HKD
$2,070 USD
View
Price last confirmed 10 days ago
9 more retailers have this diamond
Prices start from HK$1,797 HKDSave up to HK$9,579 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$1,797 HKD