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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 $185 AUD
$130 USD
As of October 30, 2026
Save $999 AUD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,780 AUD at Do Amore Diamonds · As of November 2, 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: $1,780 AUD|Low: $125 AUD|High: $1,780 AUD|Avg: $662 AUD
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 12$125 AUD
Retailer 6$185 AUD
Retailer 11$208 AUD
Retailer 9$215 AUD
Retailer 3$289 AUD
Retailer 8$436 AUD
Retailer 10$659 AUD
Retailer 5$779 AUD
Retailer 7$814 AUD
Retailer 4$1,063 AUD
Retailer 2$1,184 AUD
Do Amore Diamonds$1,780 AUD

17 data points across 12 retailers

9 retailers$185 AUD to $1,184 AUD

A
Cheapest Retailer
-
$185 AUD
$130 USD
A
Retailer 2
-
$208 AUD
$146 USD
View
Final sale: no returns
A
Retailer 3
-
$215 AUD
$151 USD
View
B+
Retailer 4
-
$436 AUD
$306 USD
View
B
Retailer 5
-
$659 AUD
$463 USD
View
B
Retailer 6
-
$779 AUD
$547 USD
View
B
Retailer 7
-
$814 AUD
$572 USD
View
B
Retailer 8
-
$1,184 AUD
£655 GBP
View
Most Expensive
Do Amore Diamonds
27-CC0A74702 · Nov 2
$1,780 AUD
$1,250 USD
View
Price under review
8 more retailers have this diamond
Prices start from $185 AUDSave up to $999 AUD

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
$185 AUD