Heart|Lab Grown|IGI

1.55ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG665445007

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG665445007

Diamond specifications and retailer prices

From HK$2,147 HKD
As of November 6, 2026
Save HK$8,347 HKD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$16,380 HKD at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

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 LG665445007 or 665445007. Listed at 24 retailers as of November 6, 2026, with a 389% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665445007
Dimensions7.28 × 7.77 × 4.68 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
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
7.28 mm7.77 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665445007
Side View
Table 57.0%Crown 36.7°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 60.2%

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$16,380 HKD|Low: HK$2,147 HKD|High: HK$16,380 HKD|Avg: HK$6,100 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 19
November 7, 2026
Retailer 4HK$2,147 HKD
Retailer 13HK$2,657 HKD
Retailer 8HK$2,704 HKD
Retailer 6HK$3,213 HKD
Retailer 16HK$3,927 HKD
Retailer 15HK$4,044 HKD
Retailer 18HK$4,311 HKD
Retailer 19HK$4,358 HKD
Retailer 11HK$4,389 HKD
Retailer 14HK$4,475 HKD
Retailer 2HK$5,071 HKD
Retailer 17HK$5,588 HKD
Retailer 9HK$7,696 HKD
Retailer 5HK$7,704 HKD
Retailer 3HK$8,073 HKD
Retailer 10HK$8,668 HKD
Retailer 12HK$9,515 HKD
Retailer 7HK$10,494 HKD
Brilliant EarthHK$16,380 HKD

31 data points across 19 retailers

24 retailersHK$2,147 HKD to HK$10,494 HKD

A
Cheapest Retailer
-
HK$2,147 HKD
Final sale: no returns
Retailer 2
-
HK$2,328 HKD
View
Price last confirmed 21 days ago
A
Retailer 3
-
HK$2,657 HKD
View
Retailer 4
-
HK$2,704 HKD
View
Price last confirmed 39 days ago
A
Retailer 5
-
HK$2,704 HKD
View
Retailer 6
-
HK$2,884 HKD
View
Price last confirmed 23 days ago
Retailer 7
-
HK$2,884 HKD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
HK$3,213 HKD
View
A
Retailer 9
-
HK$3,927 HKD
View
A
Retailer 10
-
HK$4,044 HKD
View
B+
Retailer 11
-
HK$4,311 HKD
View
B+
Retailer 12
-
HK$4,358 HKD
View
Retailer 13
-
HK$4,389 HKD
View
Price last confirmed 15 days ago
A
Retailer 14
-
HK$4,475 HKD
View
B+
Retailer 15
-
HK$5,071 HKD
View
B+
Retailer 16
-
HK$5,588 HKD
View
B
Retailer 17
-
HK$7,696 HKD
View
B+
Retailer 18
-
HK$7,704 HKD
View
B
Retailer 19
-
HK$8,073 HKD
View
B
Retailer 20
-
HK$8,668 HKD
View
Retailer 21
-
HK$9,279 HKD
View
Price last confirmed 22 days ago
B
Retailer 22
-
HK$9,515 HKD
View
B
Retailer 23
-
HK$10,494 HKD
View
Most Expensive
Brilliant Earth
18970826A · Oct 25
HK$16,380 HKD
$2,090 USD
View
Price last confirmed 12 days ago
23 more retailers have this diamond
Prices start from HK$2,147 HKDSave up to HK$8,347 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$2,147 HKD