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Heart|Lab Grown|IGI

1.55ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG775619781

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG775619781

Diamond specifications and retailer prices

From HK$2,508 HKD
As of November 6, 2026
Save HK$19,750 HKD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$24,609 HKD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG775619781 or 775619781. Listed at 25 retailers as of November 6, 2026, with a 788% 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

1.55
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775619781
Dimensions7.15 × 7.80 × 4.68 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.15 mm7.80 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775619781
Side View
Table 61.0%Crown 38.2°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 60.0%

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 6
Current: HK$6,881 HKD|Low: HK$2,406 HKD|High: HK$13,567 HKD|Avg: HK$6,534 HKD
Retailer 1
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 7, 2026
Retailer 3HK$2,508 HKD
Retailer 8HK$2,798 HKD
Retailer 4HK$3,111 HKD
Retailer 11HK$3,919 HKD
Retailer 9HK$4,138 HKD
Retailer 2HK$4,311 HKD
Retailer 7HK$5,729 HKD
Retailer 16HK$5,792 HKD
Retailer 13HK$5,815 HKD
Retailer 14HK$6,129 HKD
Retailer 1HK$6,881 HKD
Retailer 15HK$8,057 HKD
Retailer 17HK$9,115 HKD
Retailer 6HK$9,131 HKD
Retailer 5HK$11,944 HKD
Retailer 12HK$13,073 HKD
Retailer 10HK$13,331 HKD

45 data points across 17 retailers

25 retailersHK$2,508 HKD to HK$22,258 HKD

A
Cheapest Retailer
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HK$2,508 HKD
A
Retailer 2
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HK$2,798 HKD
View
Final sale: no returns
A
Retailer 3
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HK$2,908 HKD
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A
Retailer 4
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HK$3,111 HKD
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A
Retailer 5
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HK$3,111 HKD
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A
Retailer 6
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HK$3,472 HKD
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A
Retailer 7
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HK$3,919 HKD
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A
Retailer 8
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HK$4,138 HKD
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A
Retailer 9
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HK$4,311 HKD
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B+
Retailer 10
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HK$5,729 HKD
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B+
Retailer 11
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HK$5,792 HKD
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B+
Retailer 12
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HK$5,815 HKD
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B+
Retailer 13
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HK$6,129 HKD
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B+
Retailer 14
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HK$6,881 HKD
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B+
Retailer 15
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HK$8,057 HKD
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B
Retailer 16
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HK$9,115 HKD
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Retailer 17
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HK$9,131 HKD
View
Price last confirmed 37 days ago
B
Retailer 18
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HK$11,035 HKD
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B
Retailer 19
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HK$11,944 HKD
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B
Retailer 20
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HK$12,266 HKD
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B
Retailer 21
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HK$12,313 HKD
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B
Retailer 22
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HK$13,073 HKD
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B
Retailer 23
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HK$13,331 HKD
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B
Retailer 24
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HK$22,258 HKD
View
Most Expensive
Do Amore Diamonds
23-775619781 · Nov 6
HK$24,609 HKD
$3,140 USD
View
Price under review
24 more retailers have this diamond
Prices start from HK$2,508 HKDSave up to HK$19,750 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
1.55ct Heart
HK$2,508 HKD