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Heart|Lab Grown|IGI

1.09ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818663190

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818663190

Diamond specifications and retailer prices

From HK$2,769 HKD
As of November 5, 2026
Save HK$10,717 HKD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$13,745 HKD at NZ Jewellers · As of October 5, 2026
View at NZ Jewellers

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 LG818663190 or 818663190. Listed at 17 retailers as of November 4, 2026, with a 387% 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

1.09
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663190
Dimensions6.35 × 7.16 × 4.09 mm
L/W Ratio1.13
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
6.35 mm7.16 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663190
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 57.1%

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 5
Current: HK$2,769 HKD|Low: HK$2,769 HKD|High: HK$15,926 HKD|Avg: HK$8,343 HKD|-28.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 1HK$2,769 HKD
Retailer 4HK$4,291 HKD
Retailer 9HK$4,746 HKD
Retailer 11HK$5,005 HKD
Retailer 2HK$5,350 HKD
Retailer 5HK$5,421 HKD
Retailer 8HK$6,111 HKD
Retailer 3HK$8,096 HKD
Retailer 10HK$8,771 HKD
Retailer 7HK$10,230 HKD
Retailer 6HK$12,270 HKD
Retailer 12HK$13,486 HKD

36 data points across 12 retailers

17 retailersHK$2,769 HKD to HK$13,486 HKD

A
Cheapest Retailer
-
HK$2,769 HKD
Final sale: no returns
Retailer 2
-
HK$3,452 HKD
View
Price last confirmed 28 days ago
Retailer 3
-
HK$3,876 HKD
View
Price last confirmed 37 days ago
Retailer 4
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HK$4,236 HKD
View
Price last confirmed 41 days ago
Retailer 5
-
HK$4,276 HKD
View
Price last confirmed 33 days ago
Retailer 6
-
HK$4,276 HKD
View
Price last confirmed 24 days ago
A
Retailer 7
-
HK$4,746 HKD
View
B+
Retailer 8
-
HK$5,005 HKD
View
B+
Retailer 9
-
HK$5,350 HKD
View
B+
Retailer 10
-
HK$5,421 HKD
View
B+
Retailer 11
-
HK$6,111 HKD
View
B+
Retailer 12
-
HK$8,096 HKD
View
B+
Retailer 13
-
HK$8,771 HKD
View
B+
Retailer 14
-
HK$10,230 HKD
View
B
Retailer 15
-
HK$12,270 HKD
View
B
Retailer 16
-
HK$13,486 HKD
View
Most Expensive
NZ Jewellers
59d82e18-1654-4883-b84e-e8722c4a5b41 · Oct 5
HK$13,745 HKD
$1,752 USD
View
Price last confirmed 31 days ago
16 more retailers have this diamond
Prices start from HK$2,769 HKDSave up to HK$10,717 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$2,769 HKD