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Heart|Lab Grown|IGI

0.51ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG765630030

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG765630030

Diamond specifications and retailer prices

From $169 AUD
$119 USD
As of October 30, 2026
Save $1,161 AUD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,754 AUD at MOH London · As of October 26, 2026
View at MOH London

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 LG765630030 or 765630030. Listed at 19 retailers as of October 30, 2026, with a 685% 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765630030
Dimensions5.18 × 5.46 × 3.20 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.18 mm5.46 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG765630030
Side View
Table 65.0%Crown 32.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 58.6%

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: $1,754 AUD|Low: $169 AUD|High: $1,772 AUD|Avg: $584 AUD|+0.1%
MOH London
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 1, 2026
Retailer 15$169 AUD
Retailer 8$189 AUD
Retailer 17$196 AUD
Retailer 5$222 AUD
Retailer 10$372 AUD
Retailer 9$377 AUD
Retailer 14$379 AUD
Retailer 11$407 AUD
Retailer 2$427 AUD
Retailer 13$506 AUD
Retailer 7$535 AUD
Retailer 12$569 AUD
Retailer 3$675 AUD
Retailer 16$752 AUD
Retailer 6$958 AUD
Retailer 4$1,330 AUD
MOH London$1,754 AUD

42 data points across 17 retailers

19 retailers$169 AUD to $1,330 AUD

A
Cheapest Retailer
-
$169 AUD
$119 USD
A
Retailer 2
-
$189 AUD
$133 USD
View
Final sale: no returns
A
Retailer 3
-
$196 AUD
$138 USD
View
Retailer 4
-
$222 AUD
$156 USD
View
Price last confirmed 36 days ago
B+
Retailer 5
-
$372 AUD
€249 EUR
View
B+
Retailer 6
-
$377 AUD
$265 USD
View
B+
Retailer 7
-
$379 AUD
ZAR 4,301 ZAR
View
B+
Retailer 8
-
$407 AUD
$286 USD
View
B+
Retailer 9
-
$427 AUD
£236 GBP
View
Retailer 10
-
$454 AUD
$319 USD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
$506 AUD
£280 GBP
View
B
Retailer 12
-
$535 AUD
$376 USD
View
B
Retailer 13
-
$569 AUD
$400 USD
View
B
Retailer 14
-
$675 AUD
$474 USD
View
B
Retailer 15
-
$752 AUD
$528 USD
View
B
Retailer 16
-
$756 AUD
$531 USD
View
B
Retailer 17
-
$958 AUD
£530 GBP
View
B
Retailer 18
-
$1,330 AUD
$935 USD
View
Most Expensive
MOH London
LG765630030 · Oct 26
$1,754 AUD
£970 GBP
View
Price under review
18 more retailers have this diamond
Prices start from $169 AUDSave up to $1,161 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
$169 AUD