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Heart|Lab Grown|IGI

1.09ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663964

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663964

Diamond specifications and retailer prices

From HK$2,409 HKD
$307 USD
As of October 30, 2026
Save HK$14,460 HKD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$16,868 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663964 or 846663964. Listed at 12 retailers as of October 30, 2026, with prices from HK$2,409 to HK$16,868, a HK$14,460 spread on the same certified stone. Brilliant Earth lists it at HK$16,868. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663964
Dimensions6.36 × 6.95 × 4.20 mm
L/W Ratio1.09
Girdle conditionFaceted
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
6.36 mm6.95 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663964
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.4%

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$16,868 HKD|Low: HK$2,409 HKD|High: HK$22,439 HKD|Avg: HK$6,801 HKD|-24.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12HK$2,409 HKD
Retailer 2HK$3,070 HKD
Retailer 7HK$4,174 HKD
Retailer 6HK$4,197 HKD
Retailer 4HK$4,473 HKD
Retailer 10HK$4,856 HKD
Retailer 8HK$5,390 HKD
Retailer 9HK$7,477 HKD
Retailer 5HK$9,587 HKD
Retailer 3HK$9,805 HKD
Retailer 11HK$11,925 HKD
Brilliant EarthHK$16,868 HKD

5 data points across 12 retailers

12 retailersHK$2,409 HKD to HK$16,868 HKD

A
Cheapest Retailer
-
HK$2,409 HKD
$307 USD
A
Retailer 2
-
HK$3,070 HKD
£308 GBP
View
A
Retailer 3
-
HK$4,174 HKD
$532 USD
View
A
Retailer 4
-
HK$4,197 HKD
$535 USD
View
A
Retailer 5
-
HK$4,473 HKD
€543 EUR
View
B+
Retailer 6
-
HK$4,856 HKD
$619 USD
View
B+
Retailer 7
-
HK$5,390 HKD
$687 USD
View
B+
Retailer 8
-
HK$7,477 HKD
$953 USD
View
B
Retailer 9
-
HK$9,587 HKD
$1,222 USD
View
B
Retailer 10
-
HK$9,805 HKD
£984 GBP
View
B
Retailer 11
-
HK$11,925 HKD
$1,520 USD
View
Most Expensive
B
Brilliant Earth
22319521A · Oct 31
HK$16,868 HKD
$2,150 USD
View
11 more retailers have this diamond
Prices start from HK$2,409 HKDSave up to HK$14,460 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
1.09ct Heart
HK$2,409 HKD