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Heart|Lab Grown|IGI

1.45ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG831691891

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831691891

Diamond specifications and retailer prices

From HK$3,146 HKD
As of November 4, 2026
Save HK$20,548 HKD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$23,694 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.45ct lab-grown heart diamond

This 1.45ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831691891 or 831691891. Listed at 17 retailers as of November 4, 2026, with prices from HK$3,146 to HK$23,694, a HK$20,548 spread on the same certified stone. Brilliant Earth lists it at HK$23,694. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831691891
Dimensions6.91 × 7.76 × 4.54 mm
L/W Ratio1.12
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
6.91 mm7.76 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831691891
Side View
Table 59.0%Crown 39.1°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 58.5%

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$23,694 HKD|Low: HK$3,146 HKD|High: HK$23,694 HKD|Avg: HK$9,127 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 13HK$3,146 HKD
Retailer 4HK$3,523 HKD
Retailer 15HK$3,774 HKD
Retailer 8HK$3,899 HKD
Retailer 12HK$4,001 HKD
Retailer 11HK$5,061 HKD
Retailer 5HK$6,120 HKD
Retailer 16HK$6,167 HKD
Retailer 2HK$6,332 HKD
Retailer 6HK$8,725 HKD
Retailer 17HK$10,929 HKD
Retailer 9HK$12,279 HKD
Retailer 14HK$12,530 HKD
Retailer 7HK$12,804 HKD
Retailer 3HK$14,044 HKD
Retailer 10HK$15,182 HKD
Brilliant EarthHK$23,694 HKD

3 data points across 17 retailers

17 retailersHK$3,146 HKD to HK$23,694 HKD

A
Cheapest Retailer
-
HK$3,146 HKD
A
Retailer 2
-
HK$3,523 HKD
View
A
Retailer 3
-
HK$3,774 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$3,899 HKD
View
A
Retailer 5
-
HK$4,001 HKD
View
A
Retailer 6
-
HK$5,061 HKD
View
A
Retailer 7
-
HK$6,120 HKD
View
A
Retailer 8
-
HK$6,167 HKD
View
A
Retailer 9
-
HK$6,332 HKD
View
B+
Retailer 10
-
HK$8,725 HKD
View
B+
Retailer 11
-
HK$10,929 HKD
View
B+
Retailer 12
-
HK$12,279 HKD
View
B+
Retailer 13
-
HK$12,530 HKD
View
B
Retailer 14
-
HK$12,804 HKD
View
B
Retailer 15
-
HK$14,044 HKD
View
B
Retailer 16
-
HK$15,182 HKD
View
Most Expensive
B
Brilliant Earth
22480674A · Nov 4
HK$23,694 HKD
$3,020 USD
View
16 more retailers have this diamond
Prices start from HK$3,146 HKDSave up to HK$20,548 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
1.45ct Heart
HK$3,146 HKD