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Heart|Lab Grown|IGI

0.51ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG758529916

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG758529916

Diamond specifications and retailer prices

From HK$1,020 HKD
$130 USD
As of October 30, 2026
Save HK$5,507 HKD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$9,807 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG758529916 or 758529916. Listed at 9 retailers as of October 30, 2026, with a 540% 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

0.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.4°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758529916
Dimensions5.37 × 5.05 × 3.14 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.37 mm5.05 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG758529916
Side View
Table 60.0%Crown 33.4°Girdle: ThickPavilion 39.2°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: Oct 30
Current: HK$9,807 HKD|Low: HK$689 HKD|High: HK$9,807 HKD|Avg: HK$3,646 HKD
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 1, 2026
Retailer 12HK$689 HKD
Retailer 6HK$1,020 HKD
Retailer 11HK$1,145 HKD
Retailer 9HK$1,185 HKD
Retailer 3HK$1,593 HKD
Retailer 8HK$2,401 HKD
Retailer 10HK$3,633 HKD
Retailer 5HK$4,292 HKD
Retailer 7HK$4,488 HKD
Retailer 4HK$5,860 HKD
Retailer 2HK$6,526 HKD
Do Amore DiamondsHK$9,807 HKD

17 data points across 12 retailers

9 retailersHK$1,020 HKD to HK$6,526 HKD

A
Cheapest Retailer
-
HK$1,020 HKD
$130 USD
A
Retailer 2
-
HK$1,145 HKD
$146 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,185 HKD
$151 USD
View
B+
Retailer 4
-
HK$2,401 HKD
$306 USD
View
B
Retailer 5
-
HK$3,633 HKD
$463 USD
View
B
Retailer 6
-
HK$4,292 HKD
$547 USD
View
B
Retailer 7
-
HK$4,488 HKD
$572 USD
View
B
Retailer 8
-
HK$6,526 HKD
£655 GBP
View
Most Expensive
Do Amore Diamonds
27-CC0A74702 · Oct 31
HK$9,807 HKD
$1,250 USD
View
Price under review
8 more retailers have this diamond
Prices start from HK$1,020 HKDSave up to HK$5,507 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
0.51ct Heart
HK$1,020 HKD