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Heart|Lab Grown|IGI

1.28ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818681475

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818681475

Diamond specifications and retailer prices

From HK$2,487 HKD
As of November 4, 2026
Save HK$19,558 HKD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$22,045 HKD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown heart diamond

This 1.28ct 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 LG818681475 or 818681475. Listed at 11 retailers as of November 4, 2026, with prices from HK$2,487 to HK$22,045, a HK$19,558 spread on the same certified stone. Do Amore Diamonds lists it at HK$22,045. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681475
Dimensions6.51 × 7.59 × 4.46 mm
L/W Ratio1.17
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
6.51 mm7.59 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681475
Side View
Table 58.0%Crown 32.2°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 58.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$22,045 HKD|Low: HK$2,487 HKD|High: HK$32,401 HKD|Avg: HK$11,464 HKD|-32.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 6HK$2,487 HKD
Retailer 10HK$2,887 HKD
Retailer 11HK$4,550 HKD
Retailer 8HK$4,997 HKD
Retailer 3HK$5,460 HKD
Retailer 12HK$7,633 HKD
Retailer 7HK$9,038 HKD
Retailer 9HK$10,936 HKD
Retailer 2HK$13,290 HKD
Retailer 5HK$20,633 HKD
Retailer 4HK$20,696 HKD
Do Amore DiamondsHK$22,045 HKD

23 data points across 12 retailers

11 retailersHK$2,487 HKD to HK$22,045 HKD

A
Cheapest Retailer
-
HK$2,487 HKD
A
Retailer 2
-
HK$2,887 HKD
View
A
Retailer 3
-
HK$4,550 HKD
View
A
Retailer 4
-
HK$4,997 HKD
View
A
Retailer 5
-
HK$5,460 HKD
View
B+
Retailer 6
-
HK$7,633 HKD
View
B+
Retailer 7
-
HK$9,038 HKD
View
B+
Retailer 8
-
HK$10,936 HKD
View
B+
Retailer 9
-
HK$13,290 HKD
View
B
Retailer 10
-
HK$20,633 HKD
View
Most Expensive
B
Do Amore Diamonds
27-396AFF3E3 · Nov 4
HK$22,045 HKD
$2,810 USD
View
10 more retailers have this diamond
Prices start from HK$2,487 HKDSave up to HK$19,558 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
1.28ct Heart
HK$2,487 HKD